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STATISTIQUES POUR LE JAPON

STATISTIQUES POUR LE JAPON


GEMS/EAU - RESUME STATISTIQUE PAR STATION     2002-01-30   PAGE 280

 NOM DE LA STATION - TOYOHIRA RIVER AT SHIRAIKAWA   NUMERO DE LA STATION 080001
 PAYS - JAPON                                       PROFONDEUR(M)       5.5
 LOCATION - OCT. 2  LAT. 42/57/48  LONG. 141/16/22  ELEVATION(M) 149.5
 CENTRE REGIONAL - WPRA                             TYPE D'EAU   RIVIERE    

 PERIODE DEMANDEE  - 1994-01-01 TO 1996-12-31
 PERIODE DE RELEVEMENT  - 1994-01-04 TO 1996-12-24

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                              SOMME DES    SOMME DES   COND SPEC.         TEMP
                                CATIONS       ANIONS                          
                                  00120        00125        02041        02061
                                  meq/L        meq/L        uS/cm           oC


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          2            2          155          154
 MOYENNE                          1.062        1.064         124.          8.3
 MINIMUM                                                      59.          0.0
 DATE DU MINIMUM                                       1994-05-30   1996-01-18
 10 IEME CENTILE                                              79.          2.6
 MEDIANE                                                     122.          6.8
 90 IEME CENTILE                                             167.         16.7
 MAXIMUM                                                     200.         20.4
 DATE DU MAXIMUM                                       1994-10-17   1994-09-05
 ECART TYPE                                                   31.          5.4




                                 NO3NO2       NO3NO2          NH3 POURC.SAT.OD
                                                                              
                                  07105        07316        07555        08001
                                 mg/L N       mg/L N       mg/L N  POURCENTAGE


 NO. DE VALEURS - MENTION L           0            9          147            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         11           15            7           34
 MOYENNE                           0.18         0.44         0.02          94.
 MINIMUM                           0.14         0.01         0.02          77.
 DATE DU MINIMUM             1994-02-07   1995-04-10   1994-01-04   1996-01-08
 10 IEME CENTILE                   0.14         0.09         0.02          83.
 MEDIANE                           0.15         0.19         0.02          93.
 90 IEME CENTILE                   0.25         1.00         0.02         103.
 MAXIMUM                           0.32         1.00         0.07         115.
 DATE DU MAXIMUM             1994-09-12   1996-12-02   1996-01-18   1996-09-09
 ECART TYPE                        0.06         0.41         0.01           8.




                                O2 DISS      O2 DISS          DBO       F DISS
                                                                              
                                  08101        08102        08201        09107
                                mg/L O2      mg/L O2      mg/L O2       mg/L F


 NO. DE VALEURS - MENTION L           0            0            4            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          8           27           32            4
 MOYENNE                           11.2         10.6           2.          0.1
 MINIMUM                            9.7          9.0           1.          0.0
 DATE DU MINIMUM             1994-08-01   1996-08-07   1994-02-07   1994-10-12
 10 IEME CENTILE                                 9.0           1.             
 MEDIANE                           10.0         10.7           2.          0.1
 90 IEME CENTILE                                12.0           2.             
 MAXIMUM                           14.0         13.0           3.          0.1
 DATE DU MAXIMUM             1994-03-07   1996-03-04   1994-11-07   1994-07-11
 ECART TYPE                         1.8          1.0           1.          0.1




                                 F DISS      ALC TOT           pH     MAT.SUSP
                                                                         105oC
                                  09116        10102        10302        10401
                                 mg/L F   mg/L CaCO3 UNITES DE pH         mg/L


 NO. DE VALEURS - MENTION L           1            0            0            5
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          7           35          153           30
 MOYENNE                            0.0        17.56          7.0          11.
 MINIMUM                            0.0        10.00          6.8           1.
 DATE DU MINIMUM             1995-01-09   1994-05-09   1994-04-04   1994-02-07
 10 IEME CENTILE                               11.50          6.9           1.
 MEDIANE                            0.0        18.00          7.0           3.
 90 IEME CENTILE                               20.50          7.1          10.
 MAXIMUM                            0.1        27.00          7.2         239.
 DATE DU MAXIMUM             1995-10-02   1995-01-09   1994-10-03   1994-11-07
 ECART TYPE                         0.0         3.66          0.1          40.




                                Na DISS      Mg DISS      Mg DISS     Al TOTAL
                                                                              
                                  11115        12102        12115        13002
                                mg/L Na      mg/L Mg      mg/L Mg      mg/L Al


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         33            1            9            9
 MOYENNE                            10.           3.           2.        0.571
 MINIMUM                             4.                        1.        0.100
 DATE DU MINIMUM             1996-06-03                1996-07-08   1994-02-07
 10 IEME CENTILE                     6.                                       
 MEDIANE                            10.                        2.        0.320
 90 IEME CENTILE                    15.                                       
 MAXIMUM                            16.                        3.        3.000
 DATE DU MAXIMUM             1996-09-09                1996-04-08   1994-05-09
 ECART TYPE                          3.                        1.        0.934




                               Al TOTAL      SULFATE      Cl DISS       K DISS
                                                                              
                                  13009        16309        17204        19102
                                mg/L Al     mg/L SO4      mg/L CL       mg/L K


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         24           12           30            2
 MOYENNE                          0.239          14.          19.          2.5
 MINIMUM                          0.050          10.           9.             
 DATE DU MINIMUM             1995-07-12   1996-07-08   1995-05-15             
 10 IEME CENTILE                  0.058          10.          11.             
 MEDIANE                          0.160          14.          18.             
 90 IEME CENTILE                  0.350          16.          28.             
 MAXIMUM                          1.950          19.          30.             
 DATE DU MAXIMUM             1994-11-07   1996-04-08   1996-09-09             
 ECART TYPE                       0.378           2.           6.             




                                 K DISS      Ca DISS     Cr TOTAL     Cr TOTAL
                                                                              
                                  19115        20115        24002        24009
                                 mg/L K      mg/L Ca      mg/L Cr      mg/L Cr


 NO. DE VALEURS - MENTION L           0            0            7            6
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          8           14            0            0
 MOYENNE                            1.8        8.357        0.004        0.005
 MINIMUM                            1.1        4.600        0.001        0.005
 DATE DU MINIMUM             1996-07-08   1994-07-11   1994-03-07   1994-10-12
 10 IEME CENTILE                               5.200                          
 MEDIANE                            1.6        8.250        0.005        0.005
 90 IEME CENTILE                              10.000                          
 MAXIMUM                            2.6       11.000        0.005        0.005
 DATE DU MAXIMUM             1996-04-08   1996-04-08   1994-02-07   1995-03-06
 ECART TYPE                         0.6        1.779        0.002        0.000




                                Cr DISS      Cr DISS     Mn TOTAL     Mn TOTAL
                                                                              
                                  24052        24111        25004        25010
                                mg/L Cr      mg/L Cr      mg/L Mn      mg/L Mn


 NO. DE VALEURS - MENTION L           3           21            0            1
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            9           26
 MOYENNE                          0.005        0.002         0.03         0.04
 MINIMUM                                       0.001         0.01         0.01
 DATE DU MINIMUM                          1995-07-12   1994-07-11   1995-01-09
 10 IEME CENTILE                               0.001                      0.02
 MEDIANE                                       0.001         0.04         0.04
 90 IEME CENTILE                               0.005                      0.04
 MAXIMUM                                       0.005         0.06         0.23
 DATE DU MAXIMUM                          1995-06-12   1994-01-10   1994-11-07
 ECART TYPE                                    0.001         0.02         0.04




                               Fe TOTAL     Fe TOTAL     Ni TOTAL     Cu TOTAL
                                                                              
                                  26002        26009        28001        29006
                                mg/L Fe      mg/L Fe      mg/L Ni      mg/L Cu


 NO. DE VALEURS - MENTION L           0            0            1           12
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          3            9            0            0
 MOYENNE                           0.19         0.15        0.005        0.025
 MINIMUM                                        0.01                     0.010
 DATE DU MINIMUM                          1995-01-09                1994-01-10
 10 IEME CENTILE                                                         0.010
 MEDIANE                                        0.11                     0.010
 90 IEME CENTILE                                                         0.073
 MAXIMUM                                        0.25                     0.100
 DATE DU MAXIMUM                          1996-04-08                1996-10-07
 ECART TYPE                                     0.08                     0.035





                               Zn TOTAL     Zn TOTAL     As TOTAL     Se TOTAL
                                                                              
                                  30004        30009        33007        34002
                                mg/L Zn      mg/L Zn      mg/L As      mg/L Se


 NO. DE VALEURS - MENTION L           0            1            0           29
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          1            8           36            1
 MOYENNE                          0.016        0.010        0.013        0.003
 MINIMUM                                       0.005        0.003        0.001
 DATE DU MINIMUM                          1995-01-09   1996-06-03   1994-10-12
 10 IEME CENTILE                                            0.004        0.001
 MEDIANE                                       0.010        0.012        0.001
 90 IEME CENTILE                                            0.024        0.002
 MAXIMUM                                       0.021        0.026        0.050
 DATE DU MAXIMUM                          1995-04-10   1994-11-07   1995-11-06
 ECART TYPE                                    0.005        0.007        0.009




                             COLIFORMES    COL. FEC.     Cd TOTAL     Hg TOTAL
                                  TOTAU                                       
                                  36001        36011        48001        80011
                              No./100ml    No./100ml      mg/L Cd      ug/L Hg


 NO. DE VALEURS - MENTION L           0            0           36           36
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION        151           34            0            0
 MOYENNE                          1324.          73.        0.001        0.050
 MINIMUM                            23.           0.        0.001        0.050
 DATE DU MINIMUM             1994-05-16   1996-02-13   1996-07-08   1994-01-10
 10 IEME CENTILE                    79.           3.        0.001        0.050
 MEDIANE                           490.          21.        0.001        0.050
 90 IEME CENTILE                  3300.         110.        0.001        0.050
 MAXIMUM                         24000.        1300.        0.001        0.050
 DATE DU MAXIMUM             1994-11-07   1994-10-17   1996-06-03   1996-12-02
 ECART TYPE                       2459.         222.        0.000        0.000




                               Pb TOTAL     Pb TOTAL     Pb TOTAL      BENZENE
                                                                              
                                  82001        82002        82911        95100
                                mg/L Pb      mg/L Pb      mg/L Pb         ug/L


 NO. DE VALEURS - MENTION L           3            9           24           34
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0            1
 MOYENNE                          0.005        0.005        0.005          0.5
 MINIMUM                                       0.005        0.005          0.5
 DATE DU MINIMUM                          1994-01-10   1995-01-09   1994-01-10
 10 IEME CENTILE                                            0.005          0.5
 MEDIANE                                       0.005        0.005          0.5
 90 IEME CENTILE                                            0.005          0.5
 MAXIMUM                                       0.005        0.005          0.5
 DATE DU MAXIMUM                          1994-09-12   1996-12-02   1996-12-02
 ECART TYPE                                    0.000        0.000          0.0



                             DEBIT INST.
                                       
                                  97160
                                   M3/S


 NO. DE VALEURS - MENTION L           0
 NO. DE VALEURS - MENTION G           0
 NO. DE VALEURS SANS MENTION        155
 MOYENNE                           29.5
 MINIMUM                           10.8
 DATE DU MINIMUM             1996-09-18
 10 IEME CENTILE                   13.9
 MEDIANE                           19.0
 90 IEME CENTILE                   69.2
 MAXIMUM                          132.0
 DATE DU MAXIMUM             1996-05-27
 ECART TYPE                        24.7





 NOM DE LA STATION - TONE RIVER AT TONE-OZEKI       NUMERO DE LA STATION 080003
 PAYS - JAPON                                       PROFONDEUR(M)       2.1
 LOCATION - OCT. 2  LAT. 36/10/50  LONG. 139/28/30  ELEVATION(M)  22.4
 CENTRE REGIONAL - WPRA                             TYPE D'EAU   RIVIERE    

 PERIODE DEMANDEE  - 1994-01-01 TO 1996-12-31
 PERIODE DE RELEVEMENT  - 1994-01-11 TO 1996-12-03

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                              SOMME DES    SOMME DES   COND SPEC.         TEMP
                                CATIONS       ANIONS                          
                                  00120        00125        02041        02061
                                  meq/L        meq/L        uS/cm           oC


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         12           12           36           36
 MOYENNE                          2.072        1.875         224.         14.3
 MINIMUM                          1.084        1.090         118.          3.7
 DATE DU MINIMUM             1996-05-14   1996-05-14   1994-05-10   1995-01-17
 10 IEME CENTILE                  1.134        1.101         131.          6.4
 MEDIANE                          2.187        1.882         247.         12.8
 90 IEME CENTILE                  2.692        2.574         283.         23.4
 MAXIMUM                          3.048        2.701         303.         28.4
 DATE DU MAXIMUM             1995-10-17   1995-10-17   1994-12-06   1994-08-09
 ECART TYPE                       0.594        0.603          55.          6.6




                                B TOTAL      B TOTAL       B DISS       B DISS
                                                                              
                                  05009        05090        05107        05190
                                 mg/L B       mg/L B       mg/L B       mg/L B


 NO. DE VALEURS - MENTION L           1           10            1           10
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            1            0            1
 MOYENNE                            0.1          0.1          0.1          0.1
 MINIMUM                                         0.0                       0.0
 DATE DU MINIMUM                          1994-06-14                1994-06-14
 10 IEME CENTILE                                 0.0                       0.0
 MEDIANE                                         0.1                       0.1
 90 IEME CENTILE                                 0.1                       0.1
 MAXIMUM                                         0.1                       0.1
 DATE DU MAXIMUM                          1996-10-01                1996-10-01
 ECART TYPE                                      0.0                       0.0




                             CARB. ORG.      PHENOLS     CHLORA A       NO3NO2
                                   DISS                                       
                                  06101        06532        06711        07105
                                 mg/L C         mg/L         mg/L       mg/L N


 NO. DE VALEURS - MENTION L           0           28            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         12            0           12            3
 MOYENNE                            1.8        5.000       0.0110         1.83
 MINIMUM                            1.0        5.000       0.0033             
 DATE DU MINIMUM             1996-05-14   1994-02-08   1994-05-10             
 10 IEME CENTILE                    1.1        5.000       0.0037             
 MEDIANE                            1.7        5.000       0.0106             
 90 IEME CENTILE                    2.4        5.000       0.0171             
 MAXIMUM                            2.9        5.000       0.0227             
 DATE DU MAXIMUM             1996-10-01   1996-12-03   1995-05-16             
 ECART TYPE                         0.5        0.000       0.0058             




                                 NO3NO2   AZOTE ORG.          NH3          NH3
                                                DISS                          
                                  07316        07403        07551        07555
                                 mg/L N       mg/L N       mg/L N       mg/L N


 NO. DE VALEURS - MENTION L           0           13            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         19            9            9           27
 MOYENNE                           2.04          0.1         0.15         0.26
 MINIMUM                           0.74          0.1         0.03         0.05
 DATE DU MINIMUM             1994-05-10   1994-01-11   1994-08-09   1996-08-13
 10 IEME CENTILE                   0.81          0.1                      0.07
 MEDIANE                           1.86          0.1         0.11         0.22
 90 IEME CENTILE                   3.09          0.2                      0.44
 MAXIMUM                           3.60          0.3         0.29         0.51
 DATE DU MAXIMUM             1994-09-20   1995-05-16   1994-07-19   1996-03-05
 ECART TYPE                        0.85          0.1         0.09         0.14




                           POURC.SAT.OD      O2 DISS          DBO       F DISS
                                                                              
                                  08001        08101        08201        09104
                            POURCENTAGE      mg/L O2      mg/L O2       MG/L F


 NO. DE VALEURS - MENTION L           0            0            1            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         32           32           35            1
 MOYENNE                            95.          9.8           2.          0.2
 MINIMUM                            67.          5.4           1.             
 DATE DU MINIMUM             1996-07-16   1996-07-16   1994-01-11             
 10 IEME CENTILE                    85.          7.3           1.             
 MEDIANE                            94.          9.5           2.             
 90 IEME CENTILE                   106.         12.5           2.             
 MAXIMUM                           119.         13.7           4.             
 DATE DU MAXIMUM             1996-02-13   1996-02-13   1996-07-16             
 ECART TYPE                         10.          2.1           1.             




                                 F DISS      ALC TOT           pH     MAT.SUSP
                                                                         105oC
                                  09116        10102        10300        10401
                                 mg/L F   mg/L CaCO3 UNITES DE pH         mg/L


 NO. DE VALEURS - MENTION L           4            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          7           36           36           36
 MOYENNE                            0.1        31.00          7.2          21.
 MINIMUM                            0.1        13.00          6.7           1.
 DATE DU MINIMUM             1994-06-14   1996-06-11   1996-06-11   1994-02-08
 10 IEME CENTILE                    0.1        17.00          6.9           2.
 MEDIANE                            0.1        32.25          7.2           8.
 90 IEME CENTILE                    0.2        39.60          7.5          49.
 MAXIMUM                            0.2        46.00          7.6         186.
 DATE DU MAXIMUM             1995-02-14   1994-08-09   1996-02-13   1994-07-19
 ECART TYPE                         0.0         7.89          0.2          35.



                                Na DISS      Na DISS          RAS      Mg DISS
                                                                              
                                  11103        11115        11201        12103
                                mg/L Na      mg/L Na  UNITES REL.      mg/L Mg


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         11            1           12           11
 MOYENNE                            13.          16.        0.973           5.
 MINIMUM                             4.                     0.206           2.
 DATE DU MINIMUM             1994-06-14                1994-06-14   1996-05-14
 10 IEME CENTILE                     4.                     0.259           2.
 MEDIANE                            15.                     0.732           5.
 90 IEME CENTILE                    18.                     0.862           6.
 MAXIMUM                            19.                     4.600          12.
 DATE DU MAXIMUM             1994-12-06                1994-02-08   1994-06-14
 ECART TYPE                          5.                     1.158           3.




                                Mg DISS     Al TOTAL     Al TOTAL      Al DISS
                                                                              
                                  12111        13002        13090        13102
                                mg/L Mg      mg/L Al      mg/L Al      mg/L Al


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          1            1           11            1
 MOYENNE                             5.        0.440        0.467        0.010
 MINIMUM                                                    0.190             
 DATE DU MINIMUM                                       1996-05-14             
 10 IEME CENTILE                                            0.195             
 MEDIANE                                                    0.275             
 90 IEME CENTILE                                            0.643             
 MAXIMUM                                                    1.540             
 DATE DU MAXIMUM                                       1994-06-14             
 ECART TYPE                                                 0.385             




                                Al DISS    SIL REACT    SIL REACT      P TOTAL
                                                                              
                                  13190        14019        14101        15405
                                mg/L Al    mg/L SiO2    mg/L SiO2       mg/L P


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         11            1           11           22
 MOYENNE                          0.092        22.00        21.15        0.135
 MINIMUM                          0.014                     16.00        0.028
 DATE DU MINIMUM             1995-08-22                1996-08-13   1996-05-14
 10 IEME CENTILE                  0.015                     16.10        0.064
 MEDIANE                          0.020                     22.00        0.111
 90 IEME CENTILE                  0.075                     26.60        0.203
 MAXIMUM                          0.740                     28.00        0.362
 DATE DU MAXIMUM             1994-08-09                1995-10-17   1994-07-19
 ECART TYPE                       0.216                      4.09        0.074




                           TOTAL P DISS      SULFATE      SULFATE      Cl DISS
                                                                              
                                  15417        16302        16309        17204
                                 mg/L P     mg/L SO4     mg/L SO4      mg/L CL


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         22            1           11            3
 MOYENNE                          0.062          32.          33.          19.
 MINIMUM                          0.033                       19.             
 DATE DU MINIMUM             1995-05-16                1995-05-16             
 10 IEME CENTILE                  0.040                       19.             
 MEDIANE                          0.058                       36.             
 90 IEME CENTILE                  0.084                       47.             
 MAXIMUM                          0.112                       48.             
 DATE DU MAXIMUM             1995-03-22                1995-10-17             
 ECART TYPE                       0.019                       10.             




                                Cl DISS    DDT TOTAL      LINDANE      ALDRINE
                                                                              
                                  17209        18002        18070        18130
                                mg/L CL         ug/L         ug/L         ug/L


 NO. DE VALEURS - MENTION L           0            2            1            2
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         19            0            1            0
 MOYENNE                            16.        0.001        0.001        0.001
 MINIMUM                             8.                                       
 DATE DU MINIMUM             1994-05-10                                       
 10 IEME CENTILE                     8.                                       
 MEDIANE                            17.                                       
 90 IEME CENTILE                    23.                                       
 MAXIMUM                            25.                                       
 DATE DU MAXIMUM             1994-12-06                                       
 ECART TYPE                          6.                                       




                              DIELDRINE         PCBS       K DISS      Ca DISS
                                                                              
                                  18150        18165        19103        20101
                                   ug/L         ug/L       mg/L K      mg/L Ca


 NO. DE VALEURS - MENTION L           2            2            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0           12            3
 MOYENNE                          0.001        0.050          2.9       20.260
 MINIMUM                                                      1.4             
 DATE DU MINIMUM                                       1996-05-14             
 10 IEME CENTILE                                              1.4             
 MEDIANE                                                      2.8             
 90 IEME CENTILE                                              3.9             
 MAXIMUM                                                      5.1             
 DATE DU MAXIMUM                                       1994-06-14             
 ECART TYPE                                                   1.1             



                                Ca DISS      Ca DISS     Cr TOTAL     Cr TOTAL
                                                                              
                                  20103        20115        24009        24090
                                mg/L Ca      mg/L Ca      mg/L Cr      mg/L Cr


 NO. DE VALEURS - MENTION L           0            0            1           11
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          8            1            0            0
 MOYENNE                         20.548       19.191        0.005        0.005
 MINIMUM                         10.750                                  0.005
 DATE DU MINIMUM             1996-05-14                             1994-06-14
 10 IEME CENTILE                                                         0.005
 MEDIANE                         20.950                                  0.005
 90 IEME CENTILE                                                         0.005
 MAXIMUM                         33.750                                  0.005
 DATE DU MAXIMUM             1995-10-17                             1996-10-01
 ECART TYPE                       7.807                                  0.000




                                Cr DISS      Cr DISS     Mn TOTAL     Mn TOTAL
                                                                              
                                  24111        24190        25010        25090
                                mg/L Cr      mg/L Cr      mg/L Mn      mg/L Mn


 NO. DE VALEURS - MENTION L           1           11            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            1           11
 MOYENNE                          0.005        0.005         0.06         0.05
 MINIMUM                                       0.005                      0.03
 DATE DU MINIMUM                          1994-06-14                1996-05-14
 10 IEME CENTILE                               0.005                      0.03
 MEDIANE                                       0.005                      0.06
 90 IEME CENTILE                               0.005                      0.08
 MAXIMUM                                       0.005                      0.08
 DATE DU MAXIMUM                          1996-10-01                1995-05-16
 ECART TYPE                                    0.000                      0.02




                                Mn DISS      Mn DISS     Fe TOTAL     Fe TOTAL
                                                                              
                                  25109        25190        26009        26090
                                mg/L Mn      mg/L Mn      mg/L Fe      mg/L Fe


 NO. DE VALEURS - MENTION L           1            3            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            8            1           11
 MOYENNE                           0.01         0.02         0.27         0.41
 MINIMUM                                        0.01                      0.16
 DATE DU MINIMUM                          1994-08-09                1994-12-06
 10 IEME CENTILE                                0.01                      0.16
 MEDIANE                                        0.01                      0.31
 90 IEME CENTILE                                0.04                      0.86
 MAXIMUM                                        0.05                      0.94
 DATE DU MAXIMUM                          1996-02-13                1995-05-16
 ECART TYPE                                     0.02                      0.28




                                Fe DISS      Fe DISS     Ni TOTAL     Ni TOTAL
                                                                              
                                  26109        26190        28009        28090
                                mg/L Fe      mg/L Fe      mg/L Ni      mg/L Ni


 NO. DE VALEURS - MENTION L           0            2            0            8
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          1            9            1            3
 MOYENNE                           0.03         0.02        0.024        0.008
 MINIMUM                                        0.01                     0.005
 DATE DU MINIMUM                          1994-12-06                1994-08-09
 10 IEME CENTILE                                0.01                     0.005
 MEDIANE                                        0.01                     0.005
 90 IEME CENTILE                                0.03                     0.006
 MAXIMUM                                        0.03                     0.040
 DATE DU MAXIMUM                          1994-08-09                1994-06-14
 ECART TYPE                                     0.01                     0.011




                                Ni DISS      Ni DISS     Cu TOTAL     Cu TOTAL
                                                                              
                                  28109        28190        29009        29090
                                mg/L Ni      mg/L Ni      mg/L Cu      mg/L Cu


 NO. DE VALEURS - MENTION L           0           10            0            6
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          1            1            1            5
 MOYENNE                          0.023        0.008        0.006        0.006
 MINIMUM                                       0.005                     0.004
 DATE DU MINIMUM                          1994-08-09                1994-08-09
 10 IEME CENTILE                               0.005                     0.004
 MEDIANE                                       0.005                     0.004
 90 IEME CENTILE                               0.005                     0.008
 MAXIMUM                                       0.040                     0.020
 DATE DU MAXIMUM                          1994-06-14                1996-10-01
 ECART TYPE                                    0.011                     0.005




                                Cu DISS      Cu DISS     Zn TOTAL     Zn TOTAL
                                                                              
                                  29109        29190        30009        30090
                                mg/L Cu      mg/L Cu      mg/L Zn      mg/L Zn


 NO. DE VALEURS - MENTION L           1           11            0            1
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            1           10
 MOYENNE                          0.004        0.004        0.099        0.021
 MINIMUM                                       0.004                     0.005
 DATE DU MINIMUM                          1994-06-14                1995-05-16
 10 IEME CENTILE                               0.004                     0.005
 MEDIANE                                       0.004                     0.009
 90 IEME CENTILE                               0.004                     0.027
 MAXIMUM                                       0.004                     0.110
 DATE DU MAXIMUM                          1996-10-01                1994-08-09
 ECART TYPE                                    0.000                     0.030




                                Zn DISS      Zn DISS     As TOTAL     As TOTAL
                                                                              
                                  30109        30190        33008        33090
                                mg/L Zn      mg/L Zn      mg/L As      mg/L As


 NO. DE VALEURS - MENTION L           0            7            1            6
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          1            4            0            5
 MOYENNE                          0.005        0.006        0.005        0.004
 MINIMUM                                       0.005                     0.002
 DATE DU MINIMUM                          1994-08-09                1996-02-13
 10 IEME CENTILE                               0.005                     0.002
 MEDIANE                                       0.005                     0.005
 90 IEME CENTILE                               0.007                     0.005
 MAXIMUM                                       0.009                     0.006
 DATE DU MAXIMUM                          1996-10-01                1995-05-16
 ECART TYPE                                    0.001                     0.002




                                As DISS      As DISS     Se TOTAL     Se TOTAL
                                                                              
                                  33108        33190        34008        34090
                                mg/L As      mg/L As      mg/L Se      mg/L Se


 NO. DE VALEURS - MENTION L           1           11            0           11
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            1            0
 MOYENNE                          0.005        0.004        0.012        0.002
 MINIMUM                                       0.001                     0.002
 DATE DU MINIMUM                          1996-02-13                1994-06-14
 10 IEME CENTILE                               0.001                     0.002
 MEDIANE                                       0.005                     0.002
 90 IEME CENTILE                               0.005                     0.002
 MAXIMUM                                       0.005                     0.002
 DATE DU MAXIMUM                          1995-10-17                1996-10-01
 ECART TYPE                                    0.002                     0.000




                                Se DISS      Se DISS   COLIFORMES    COL. FEC.
                                                            TOTAU             
                                  34108        34190        36001        36011
                                mg/L Se      mg/L Se    No./100ml    No./100ml


 NO. DE VALEURS - MENTION L           0           11            0            1
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          1            0           36           11
 MOYENNE                          0.012        0.002      5.5E+04        1993.
 MINIMUM                                       0.002      2.7E+02           1.
 DATE DU MINIMUM                          1994-06-14   1996-02-13   1996-02-13
 10 IEME CENTILE                               0.002      9.8E+02          16.
 MEDIANE                                       0.002      9.4E+03         195.
 90 IEME CENTILE                               0.002      9.4E+04        7000.
 MAXIMUM                                       0.002      9.2E+05        9400.
 DATE DU MAXIMUM                          1996-10-01   1995-07-11   1996-10-01
 ECART TYPE                                    0.000      1.6E+05        3406.





                               Cd TOTAL     Cd TOTAL      Cd DISS      Cd DISS
                                                                              
                                  48011        48090        48109        48190
                                mg/L Cd      mg/L Cd      mg/L Cd      mg/L Cd


 NO. DE VALEURS - MENTION L           1           10            1           11
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            1            0            0
 MOYENNE                          0.005        0.005        0.005        0.005
 MINIMUM                                       0.005                     0.005
 DATE DU MINIMUM                          1994-06-14                1994-06-14
 10 IEME CENTILE                               0.005                     0.005
 MEDIANE                                       0.005                     0.005
 90 IEME CENTILE                               0.005                     0.005
 MAXIMUM                                       0.005                     0.005
 DATE DU MAXIMUM                          1996-10-01                1996-10-01
 ECART TYPE                                    0.000                     0.000




                               Hg TOTAL      Hg DISS     Pb TOTAL     Pb TOTAL
                                                                              
                                  80011        80111        82009        82090
                                ug/L Hg      ug/L Hg      mg/L Pb      mg/L Pb


 NO. DE VALEURS - MENTION L          12           12            1           10
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0            1
 MOYENNE                          0.500        0.500        0.005        0.005
 MINIMUM                          0.500        0.500                     0.005
 DATE DU MINIMUM             1994-02-08   1994-02-08                1994-06-14
 10 IEME CENTILE                  0.500        0.500                     0.005
 MEDIANE                          0.500        0.500                     0.005
 90 IEME CENTILE                  0.500        0.500                     0.005
 MAXIMUM                          0.500        0.500                     0.005
 DATE DU MAXIMUM             1996-10-01   1996-10-01                1996-10-01
 ECART TYPE                       0.000        0.000                     0.000




                                Pb DISS      Pb DISS      BENZENE   DEBIT INST.
                                                                              
                                  82109        82190        95100        97160
                                mg/L Pb      mg/L Pb         ug/L         M3/S


 NO. DE VALEURS - MENTION L           1           11            3            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0           36
 MOYENNE                          0.005        0.005          0.5        169.6
 MINIMUM                                       0.005                      71.0
 DATE DU MINIMUM                          1994-06-14                1996-03-05
 10 IEME CENTILE                               0.005                      79.2
 MEDIANE                                       0.005                     135.0
 90 IEME CENTILE                               0.005                     266.0
 MAXIMUM                                       0.005                     670.0
 DATE DU MAXIMUM                          1996-10-01                1995-05-16
 ECART TYPE                                    0.000                     116.7





 NOM DE LA STATION - SUGINAMI FILTRATION PLANT      NUMERO DE LA STATION 080004
 PAYS - JAPON                                       PROFONDEUR(M)      14.0
 LOCATION - OCT. 2  LAT. 35/43/30  LONG. 139/35/30  ELEVATION(M)  42.6
 CENTRE REGIONAL - WPRA                             TYPE D'EAU   EAU SOUTERR

 PERIODE DEMANDEE  - 1994-01-01 TO 1996-12-31
 PERIODE DE RELEVEMENT  - 1994-02-02 TO 1996-11-20

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                              SOMME DES    SOMME DES   COND SPEC.         TEMP
                                CATIONS       ANIONS                          
                                  00120        00125        02041        02061
                                  meq/L        meq/L        uS/cm           oC


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         12           12           12           12
 MOYENNE                          2.408        2.195         251.         16.2
 MINIMUM                          2.221        1.444         240.         15.4
 DATE DU MINIMUM             1994-11-09   1994-02-02   1995-05-10   1996-05-08
 10 IEME CENTILE                  2.225        1.589         240.         15.5
 MEDIANE                          2.375        2.237         250.         16.5
 90 IEME CENTILE                  2.604        2.348         260.         16.6
 MAXIMUM                          2.633        2.373         262.         16.9
 DATE DU MAXIMUM             1995-11-08   1996-02-07   1994-08-03   1994-11-09
 ECART TYPE                       0.156        0.244           8.          0.4




                                B TOTAL      B TOTAL       B DISS       B DISS
                                                                              
                                  05009        05090        05107        05190
                                 mg/L B       mg/L B       mg/L B       mg/L B


 NO. DE VALEURS - MENTION L           1           11            1           11
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0            0
 MOYENNE                            0.1          0.1          0.1          0.1
 MINIMUM                                         0.1                       0.1
 DATE DU MINIMUM                          1994-05-11                1994-05-11
 10 IEME CENTILE                                 0.1                       0.1
 MEDIANE                                         0.1                       0.1
 90 IEME CENTILE                                 0.1                       0.1
 MAXIMUM                                         0.1                       0.1
 DATE DU MAXIMUM                          1996-11-20                1996-11-20
 ECART TYPE                                      0.0                       0.0




                                PHENOLS       NO3NO2       NO3NO2   AZOTE ORG.
                                                                          DISS
                                  06532        07105        07316        07403
                                   mg/L       mg/L N       mg/L N       mg/L N


 NO. DE VALEURS - MENTION L          12            0            0            9
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            1           11            1
 MOYENNE                          5.000         9.70         8.35          0.1
 MINIMUM                          5.000                      7.20          0.0
 DATE DU MINIMUM             1994-02-02                1995-11-08   1994-05-11
 10 IEME CENTILE                  5.000                      7.21          0.0
 MEDIANE                          5.000                      8.30          0.1
 90 IEME CENTILE                  5.000                      9.61          0.1
 MAXIMUM                          5.000                     10.00          0.1
 DATE DU MAXIMUM             1996-11-20                1994-05-11   1996-11-20
 ECART TYPE                       0.000                      0.92          0.0




                                    NH3          NH3 POURC.SAT.OD      O2 DISS
                                                                              
                                  07551        07555        08001        08101
                                 mg/L N       mg/L N  POURCENTAGE      mg/L O2


 NO. DE VALEURS - MENTION L           1           10            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            1           12           12
 MOYENNE                           0.02         0.02          77.          7.3
 MINIMUM                                        0.02          67.          6.6
 DATE DU MINIMUM                          1994-05-11   1995-02-08   1995-02-08
 10 IEME CENTILE                                0.02          68.          6.7
 MEDIANE                                        0.02          78.          7.4
 90 IEME CENTILE                                0.02          81.          7.7
 MAXIMUM                                        0.02          84.          7.9
 DATE DU MAXIMUM                          1996-11-20   1996-11-20   1996-11-20
 ECART TYPE                                     0.00           4.          0.4




                                    DBO       F DISS       F DISS      ALC TOT
                                                                              
                                  08201        09104        09116        10102
                                mg/L O2       MG/L F       mg/L F   mg/L CaCO3


 NO. DE VALEURS - MENTION L           3            1           11            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0           12
 MOYENNE                             1.          0.1          0.1        41.21
 MINIMUM                                                      0.1        39.50
 DATE DU MINIMUM                                       1994-05-11   1994-02-02
 10 IEME CENTILE                                              0.1        39.50
 MEDIANE                                                      0.1        41.50
 90 IEME CENTILE                                              0.1        42.00
 MAXIMUM                                                      0.1        42.50
 DATE DU MAXIMUM                                       1996-11-20   1995-02-08
 ECART TYPE                                                   0.0         1.03




                                     pH     MAT.SUSP      Na DISS      Na DISS
                                               105oC                          
                                  10300        10401        11103        11115
                           UNITES DE pH         mg/L      mg/L Na      mg/L Na


 NO. DE VALEURS - MENTION L           0           11            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         12            1           11            1
 MOYENNE                            6.2           1.          12.          13.
 MINIMUM                            6.0           1.          11.             
 DATE DU MINIMUM             1994-05-11   1994-02-02   1994-11-09             
 10 IEME CENTILE                    6.0           1.          11.             
 MEDIANE                            6.2           1.          12.             
 90 IEME CENTILE                    6.2           1.          12.             
 MAXIMUM                            6.2           4.          12.             
 DATE DU MAXIMUM             1994-11-09   1995-11-08   1994-08-03             
 ECART TYPE                         0.1           1.           0.             




                                    RAS      Mg DISS      Mg DISS     Al TOTAL
                                                                              
                                  11201        12103        12115        13002
                            UNITES REL.      mg/L Mg      mg/L Mg      mg/L Al


 NO. DE VALEURS - MENTION L           1            0            0            1
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         11           11            1            0
 MOYENNE                          0.765          10.          10.        0.010
 MINIMUM                          0.510           9.                          
 DATE DU MINIMUM             1995-02-08   1995-05-10                          
 10 IEME CENTILE                  0.510           9.                          
 MEDIANE                          0.526          10.                          
 90 IEME CENTILE                  0.565          10.                          
 MAXIMUM                          3.327          10.                          
 DATE DU MAXIMUM             1994-02-02   1995-02-08                          
 ECART TYPE                       0.807           0.                          




                               Al TOTAL      Al DISS      Al DISS    SIL REACT
                                                                              
                                  13090        13102        13190        14019
                                mg/L Al      mg/L Al      mg/L Al    mg/L SiO2


 NO. DE VALEURS - MENTION L          11            1           11            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0            1
 MOYENNE                          0.010        0.010        0.010        26.00
 MINIMUM                          0.010                     0.010             
 DATE DU MINIMUM             1994-05-11                1994-05-11             
 10 IEME CENTILE                  0.010                     0.010             
 MEDIANE                          0.010                     0.010             
 90 IEME CENTILE                  0.010                     0.010             
 MAXIMUM                          0.010                     0.010             
 DATE DU MAXIMUM             1996-11-20                1996-11-20             
 ECART TYPE                       0.000                     0.000             




                              SIL REACT      SULFATE      SULFATE      Cl DISS
                                                                              
                                  14101        16302        16309        17204
                              mg/L SiO2     mg/L SO4     mg/L SO4      mg/L CL


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         11            1           11            1
 MOYENNE                          25.64           9.          12.          20.
 MINIMUM                          25.00                        9.             
 DATE DU MINIMUM             1994-05-11                1994-08-03             
 10 IEME CENTILE                  25.00                        9.             
 MEDIANE                          26.00                       12.             
 90 IEME CENTILE                  26.00                       15.             
 MAXIMUM                          27.00                       15.             
 DATE DU MAXIMUM             1996-08-07                1996-02-07             
 ECART TYPE                        0.67                        2.             




                                Cl DISS    DDT TOTAL      LINDANE      ALDRINE
                                                                              
                                  17209        18002        18070        18130
                                mg/L CL         ug/L         ug/L         ug/L


 NO. DE VALEURS - MENTION L           0            2            2            2
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         11            0            0            0
 MOYENNE                            21.        0.001        0.001        0.001
 MINIMUM                            19.                                       
 DATE DU MINIMUM             1994-11-09                                       
 10 IEME CENTILE                    19.                                       
 MEDIANE                            21.                                       
 90 IEME CENTILE                    22.                                       
 MAXIMUM                            22.                                       
 DATE DU MAXIMUM             1995-11-08                                       
 ECART TYPE                          1.                                       




                              DIELDRINE         PCBS       K DISS      Ca DISS
                                                                              
                                  18150        18165        19103        20101
                                   ug/L         ug/L       mg/L K      mg/L Ca


 NO. DE VALEURS - MENTION L           2            2            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0           12            3
 MOYENNE                          0.001        0.050          1.0       17.733
 MINIMUM                                                      0.6             
 DATE DU MINIMUM                                       1996-02-07             
 10 IEME CENTILE                                              0.6             
 MEDIANE                                                      0.8             
 90 IEME CENTILE                                              1.1             
 MAXIMUM                                                      3.2             
 DATE DU MAXIMUM                                       1994-02-02             
 ECART TYPE                                                   0.7             




                                Ca DISS      Ca DISS     Cr TOTAL     Cr TOTAL
                                                                              
                                  20103        20115        24009        24090
                                mg/L Ca      mg/L Ca      mg/L Cr      mg/L Cr


 NO. DE VALEURS - MENTION L           0            0            1           11
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          8            1            0            0
 MOYENNE                         22.714       20.541        0.005        0.005
 MINIMUM                         18.400                                  0.005
 DATE DU MINIMUM             1995-02-08                             1994-05-11
 10 IEME CENTILE                                                         0.005
 MEDIANE                         24.600                                  0.005
 90 IEME CENTILE                                                         0.005
 MAXIMUM                         25.560                                  0.005
 DATE DU MAXIMUM             1996-02-07                             1996-11-20
 ECART TYPE                       3.222                                  0.000




                                Cr DISS      Cr DISS     Mn TOTAL     Mn TOTAL
                                                                              
                                  24111        24190        25010        25090
                                mg/L Cr      mg/L Cr      mg/L Mn      mg/L Mn


 NO. DE VALEURS - MENTION L           1           11            1           11
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0            0
 MOYENNE                          0.005        0.005         0.01         0.01
 MINIMUM                                       0.005                      0.01
 DATE DU MINIMUM                          1994-05-11                1994-05-11
 10 IEME CENTILE                               0.005                      0.01
 MEDIANE                                       0.005                      0.01
 90 IEME CENTILE                               0.005                      0.01
 MAXIMUM                                       0.005                      0.01
 DATE DU MAXIMUM                          1996-11-20                1996-11-20
 ECART TYPE                                    0.000                      0.00




                                Mn DISS      Mn DISS     Fe TOTAL     Fe TOTAL
                                                                              
                                  25109        25190        26009        26090
                                mg/L Mn      mg/L Mn      mg/L Fe      mg/L Fe


 NO. DE VALEURS - MENTION L           1           11            1            9
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0            2
 MOYENNE                           0.01         0.01         0.01         0.01
 MINIMUM                                        0.01                      0.01
 DATE DU MINIMUM                          1994-05-11                1994-05-11
 10 IEME CENTILE                                0.01                      0.01
 MEDIANE                                        0.01                      0.01
 90 IEME CENTILE                                0.01                      0.01
 MAXIMUM                                        0.01                      0.02
 DATE DU MAXIMUM                          1996-11-20                1996-05-08
 ECART TYPE                                     0.00                      0.00




                                Fe DISS      Fe DISS     Ni TOTAL     Ni TOTAL
                                                                              
                                  26109        26190        28009        28090
                                mg/L Fe      mg/L Fe      mg/L Ni      mg/L Ni


 NO. DE VALEURS - MENTION L           1           11            1           11
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0            0
 MOYENNE                           0.01         0.01        0.005        0.005
 MINIMUM                                        0.01                     0.005
 DATE DU MINIMUM                          1994-05-11                1994-05-11
 10 IEME CENTILE                                0.01                     0.005
 MEDIANE                                        0.01                     0.005
 90 IEME CENTILE                                0.01                     0.005
 MAXIMUM                                        0.01                     0.005
 DATE DU MAXIMUM                          1996-11-20                1996-11-20
 ECART TYPE                                     0.00                     0.000




                                Ni DISS      Ni DISS     Cu TOTAL     Cu TOTAL
                                                                              
                                  28109        28190        29009        29090
                                mg/L Ni      mg/L Ni      mg/L Cu      mg/L Cu


 NO. DE VALEURS - MENTION L           1           11            1           11
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0            0
 MOYENNE                          0.005        0.005        0.004        0.004
 MINIMUM                                       0.005                     0.004
 DATE DU MINIMUM                          1994-05-11                1994-05-11
 10 IEME CENTILE                               0.005                     0.004
 MEDIANE                                       0.005                     0.004
 90 IEME CENTILE                               0.005                     0.004
 MAXIMUM                                       0.005                     0.004
 DATE DU MAXIMUM                          1996-11-20                1996-11-20
 ECART TYPE                                    0.000                     0.000




                                Cu DISS      Cu DISS     Zn TOTAL     Zn TOTAL
                                                                              
                                  29109        29190        30009        30090
                                mg/L Cu      mg/L Cu      mg/L Zn      mg/L Zn


 NO. DE VALEURS - MENTION L           1           11            1            7
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0            4
 MOYENNE                          0.004        0.004        0.005        0.006
 MINIMUM                                       0.004                     0.005
 DATE DU MINIMUM                          1994-05-11                1994-08-03
 10 IEME CENTILE                               0.004                     0.005
 MEDIANE                                       0.004                     0.005
 90 IEME CENTILE                               0.004                     0.007
 MAXIMUM                                       0.004                     0.010
 DATE DU MAXIMUM                          1996-11-20                1995-11-08
 ECART TYPE                                    0.000                     0.002




                                Zn DISS      Zn DISS     As TOTAL     As TOTAL
                                                                              
                                  30109        30190        33008        33090
                                mg/L Zn      mg/L Zn      mg/L As      mg/L As


 NO. DE VALEURS - MENTION L           1           10            1           11
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0            0
 MOYENNE                          0.005        0.005        0.005        0.004
 MINIMUM                                       0.005                     0.001
 DATE DU MINIMUM                          1994-05-11                1996-02-07
 10 IEME CENTILE                               0.005                     0.001
 MEDIANE                                       0.005                     0.005
 90 IEME CENTILE                               0.005                     0.005
 MAXIMUM                                       0.005                     0.005
 DATE DU MAXIMUM                          1996-11-20                1995-11-08
 ECART TYPE                                    0.000                     0.002



                                As DISS      As DISS     Se TOTAL     Se TOTAL
                                                                              
                                  33108        33190        34008        34090
                                mg/L As      mg/L As      mg/L Se      mg/L Se


 NO. DE VALEURS - MENTION L           1           11            1           11
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0            0
 MOYENNE                          0.005        0.004        0.002        0.002
 MINIMUM                                       0.001                     0.002
 DATE DU MINIMUM                          1996-02-07                1994-05-11
 10 IEME CENTILE                               0.001                     0.002
 MEDIANE                                       0.005                     0.002
 90 IEME CENTILE                               0.005                     0.002
 MAXIMUM                                       0.005                     0.002
 DATE DU MAXIMUM                          1995-11-08                1996-11-20
 ECART TYPE                                    0.002                     0.000




                                Se DISS      Se DISS   COLIFORMES    COL. FEC.
                                                            TOTAU             
                                  34108        34190        36001        36011
                                mg/L Se      mg/L Se    No./100ml    No./100ml


 NO. DE VALEURS - MENTION L           1           11           11           12
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            1            0
 MOYENNE                          0.002        0.002           3.           1.
 MINIMUM                                       0.002           1.           1.
 DATE DU MINIMUM                          1994-05-11   1994-02-02   1994-02-02
 10 IEME CENTILE                               0.002           1.           1.
 MEDIANE                                       0.002           1.           1.
 90 IEME CENTILE                               0.002           1.           1.
 MAXIMUM                                       0.002          23.           1.
 DATE DU MAXIMUM                          1996-11-20   1995-02-08   1996-11-20
 ECART TYPE                                    0.000           6.           0.




                               Cd TOTAL     Cd TOTAL      Cd DISS      Cd DISS
                                                                              
                                  48011        48090        48109        48190
                                mg/L Cd      mg/L Cd      mg/L Cd      mg/L Cd


 NO. DE VALEURS - MENTION L           1           11            1           11
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0            0
 MOYENNE                          0.005        0.005        0.005        0.005
 MINIMUM                                       0.005                     0.005
 DATE DU MINIMUM                          1994-05-11                1994-05-11
 10 IEME CENTILE                               0.005                     0.005
 MEDIANE                                       0.005                     0.005
 90 IEME CENTILE                               0.005                     0.005
 MAXIMUM                                       0.005                     0.005
 DATE DU MAXIMUM                          1996-11-20                1996-11-20
 ECART TYPE                                    0.000                     0.000





                               Hg TOTAL      Hg DISS     Pb TOTAL     Pb TOTAL
                                                                              
                                  80011        80111        82009        82090
                                ug/L Hg      ug/L Hg      mg/L Pb      mg/L Pb


 NO. DE VALEURS - MENTION L          12           12            1           11
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0            0
 MOYENNE                          0.500        0.500        0.005        0.005
 MINIMUM                          0.500        0.500                     0.005
 DATE DU MINIMUM             1994-02-02   1994-02-02                1994-05-11
 10 IEME CENTILE                  0.500        0.500                     0.005
 MEDIANE                          0.500        0.500                     0.005
 90 IEME CENTILE                  0.500        0.500                     0.005
 MAXIMUM                          0.500        0.500                     0.005
 DATE DU MAXIMUM             1996-11-20   1996-11-20                1996-11-20
 ECART TYPE                       0.000        0.000                     0.000




                                Pb DISS      Pb DISS      BENZENE
                                                                 
                                  82109        82190        95100
                                mg/L Pb      mg/L Pb         ug/L


 NO. DE VALEURS - MENTION L           1           11            5
 NO. DE VALEURS - MENTION G           0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0
 MOYENNE                          0.005        0.005          0.5
 MINIMUM                                       0.005          0.5
 DATE DU MINIMUM                          1994-05-11   1994-02-02
 10 IEME CENTILE                               0.005             
 MEDIANE                                       0.005          0.5
 90 IEME CENTILE                               0.005             
 MAXIMUM                                       0.005          0.5
 DATE DU MAXIMUM                          1996-11-20   1995-11-08
 ECART TYPE                                    0.000          0.0





 NOM DE LA STATION - SAGAMI RESERVOIR AT INTAKE     NUMERO DE LA STATION 080006
 PAYS - JAPON                                       PROFONDEUR(M)      19.4
 LOCATION - OCT. 2  LAT. 35/36/49  LONG. 139/12/00  ELEVATION(M) 167.0
 CENTRE REGIONAL - WPRA                             TYPE D'EAU   LAC/RESERVO

 PERIODE DEMANDEE  - 1994-01-01 TO 1996-12-31
 PERIODE DE RELEVEMENT  - 1994-01-12 TO 1996-12-09

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                             COND SPEC.         TEMP        TRANS      B TOTAL
                                                                              
                                  02041        02061        02076        05011
                                  uS/cm           oC        METRE       mg/L B


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         35           36           36            4
 MOYENNE                           152.         15.4          1.9          0.0
 MINIMUM                           123.          6.8          1.0          0.0
 DATE DU MINIMUM             1994-10-11   1994-02-07   1994-10-11   1994-01-12
 10 IEME CENTILE                   140.          7.6          1.2             
 MEDIANE                           150.         14.9          1.8          0.0
 90 IEME CENTILE                   166.         24.2          2.5             
 MAXIMUM                           170.         27.3          3.0          0.0
 DATE DU MAXIMUM             1996-03-11   1995-08-07   1995-10-09   1994-11-07
 ECART TYPE                         11.          6.1          0.5          0.0




                                 B DISS       B DISS   CARB. ORG.     CHLORA A
                                                             DISS             
                                  05111        05190        06101        06711
                                 ug/L B       mg/L B       mg/L C         mg/L


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          4            3           10           36
 MOYENNE                            0.0          0.0          1.0       0.1624
 MINIMUM                            0.0                       0.6       0.0000
 DATE DU MINIMUM             1996-01-16                1994-04-11   1994-01-12
 10 IEME CENTILE                                              0.6       0.0042
 MEDIANE                            0.0                       0.9       0.0666
 90 IEME CENTILE                                              1.3       0.4226
 MAXIMUM                            0.0                       1.7       1.1400
 DATE DU MAXIMUM             1996-04-08                1995-07-10   1996-08-12
 ECART TYPE                         0.0                       0.3       0.2314




                                 NO3NO2       NO3NO2          NH3 POURC.SAT.OD
                                                                              
                                  07105        07316        07551        08001
                                 mg/L N       mg/L N       mg/L N  POURCENTAGE


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         14           21           35           36
 MOYENNE                           1.05         1.08         0.07         108.
 MINIMUM                           0.68         0.62         0.00          81.
 DATE DU MINIMUM             1994-08-08   1995-08-07   1994-08-08   1996-02-13
 10 IEME CENTILE                   0.71         0.92         0.02          85.
 MEDIANE                           1.15         1.03         0.06         102.
 90 IEME CENTILE                   1.27         1.27         0.11         126.
 MAXIMUM                           1.30         1.51         0.18         175.
 DATE DU MAXIMUM             1994-02-07   1995-11-13   1995-02-13   1994-08-08
 ECART TYPE                        0.22         0.19         0.04          21.




                                O2 DISS          DBO          DCO       F DISS
                                                                              
                                  08102        08201        08301        09104
                                mg/L O2      mg/L O2      mg/L O2       MG/L F


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36           36           12
 MOYENNE                           10.2           2.           3.          0.1
 MINIMUM                            7.6           0.           2.          0.0
 DATE DU MINIMUM             1995-05-15   1994-01-12   1996-03-11   1995-05-15
 10 IEME CENTILE                    8.5           1.           2.          0.0
 MEDIANE                            9.9           1.           2.          0.1
 90 IEME CENTILE                   12.3           4.           4.          0.1
 MAXIMUM                           13.6           6.           5.          0.1
 DATE DU MAXIMUM             1994-08-08   1994-08-08   1996-08-12   1996-01-16
 ECART TYPE                         1.5           1.           1.          0.0




                                ALC TOT           pH      Na DISS      Mg DISS
                                                                              
                                  10102        10300        11102        12103
                             mg/L CaCO3 UNITES DE pH      mg/L Na      mg/L Mg


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36           30           35
 MOYENNE                          47.61          7.9           8.           4.
 MINIMUM                          35.00          7.2           5.           2.
 DATE DU MINIMUM             1994-10-11   1994-03-07   1996-10-14   1994-03-07
 10 IEME CENTILE                  41.60          7.3           6.           4.
 MEDIANE                          48.00          7.8           8.           5.
 90 IEME CENTILE                  53.30          8.3           9.           5.
 MAXIMUM                          55.00          9.5           9.           5.
 DATE DU MAXIMUM             1996-07-08   1995-08-07   1994-05-16   1996-02-13
 ECART TYPE                        4.70          0.5           1.           1.




                               Al TOTAL     Al TOTAL    SIL REACT      P TOTAL
                                                                              
                                  13002        13009        14101        15405
                                mg/L Al      mg/L Al    mg/L SiO2       mg/L P


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          2            4           36           35
 MOYENNE                          0.125        0.132        25.47        0.083
 MINIMUM                                       0.030        17.00        0.040
 DATE DU MINIMUM                          1995-10-09   1995-08-07   1995-08-07
 10 IEME CENTILE                                            21.00        0.050
 MEDIANE                                       0.090        25.00        0.080
 90 IEME CENTILE                                            30.00        0.110
 MAXIMUM                                       0.320        31.00        0.130
 DATE DU MAXIMUM                          1996-10-14   1996-09-09   1995-02-13
 ECART TYPE                                    0.129         3.18        0.024




                                SULFATE      SULFATE      Cl DISS         PCBS
                                                                              
                                  16303        16309        17201        18165
                               mg/L SO4     mg/L SO4      mg/L CL         ug/L


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         15           21           35            4
 MOYENNE                            13.          14.           5.        0.000
 MINIMUM                             7.          13.           4.        0.000
 DATE DU MINIMUM             1994-03-07   1995-04-10   1994-01-12   1995-04-10
 10 IEME CENTILE                    10.          13.           4.             
 MEDIANE                            13.          14.           5.        0.000
 90 IEME CENTILE                    14.          14.           6.             
 MAXIMUM                            14.          14.           7.        0.000
 DATE DU MAXIMUM             1994-12-12   1996-03-11   1995-03-13   1996-10-14
 ECART TYPE                          2.           1.           1.        0.000




                                 K DISS       K DISS      Ca DISS     Cr TOTAL
                                                                              
                                  19102        19111        20101        24002
                                 mg/L K       mg/L K      mg/L Ca      mg/L Cr


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         14           21           36            9
 MOYENNE                            1.4          1.3       14.856        0.000
 MINIMUM                            1.2          1.0        9.800        0.000
 DATE DU MINIMUM             1994-01-12   1996-10-14   1994-03-07   1994-04-11
 10 IEME CENTILE                    1.2          1.0       12.600             
 MEDIANE                            1.4          1.3       15.000        0.000
 90 IEME CENTILE                    1.6          1.5       16.000             
 MAXIMUM                            1.7          1.7       17.000        0.000
 DATE DU MAXIMUM             1994-09-12   1996-06-10   1996-09-09   1996-10-14
 ECART TYPE                         0.2          0.2        1.533        0.000




                               Mn TOTAL      Mn DISS     Fe TOTAL      Fe DISS
                                                                              
                                  25005        25104        26004        26104
                                mg/L Mn      mg/L Mn      mg/L Fe      mg/L Fe


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36           36           36
 MOYENNE                           0.02         0.01         0.11         0.02
 MINIMUM                           0.00         0.00         0.03         0.00
 DATE DU MINIMUM             1994-11-07   1994-01-12   1994-07-11   1994-11-07
 10 IEME CENTILE                   0.01         0.00         0.04         0.00
 MEDIANE                           0.02         0.00         0.09         0.01
 90 IEME CENTILE                   0.05         0.04         0.19         0.04
 MAXIMUM                           0.07         0.05         0.38         0.09
 DATE DU MAXIMUM             1996-02-13   1996-06-10   1994-10-11   1996-07-08
 ECART TYPE                        0.02         0.02         0.07         0.02




                               Ni TOTAL     Cu TOTAL     Zn TOTAL     As TOTAL
                                                                              
                                  28002        29006        30004        33007
                                mg/L Ni      mg/L Cu      mg/L Zn      mg/L As


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         10            9            9            6
 MOYENNE                          0.000        0.000        0.000        0.000
 MINIMUM                          0.000        0.000        0.000        0.000
 DATE DU MINIMUM             1994-04-11   1994-04-11   1994-04-11   1994-04-11
 10 IEME CENTILE                  0.000                                       
 MEDIANE                          0.000        0.000        0.000        0.000
 90 IEME CENTILE                  0.000                                       
 MAXIMUM                          0.001        0.000        0.000        0.000
 DATE DU MAXIMUM             1996-10-14   1996-10-14   1996-10-14   1996-10-14
 ECART TYPE                       0.000        0.000        0.000        0.000




                               Se TOTAL   COLIFORMES    COL. FEC.     Cd TOTAL
                                               TOTAU                          
                                  34002        36001        36012        48001
                                mg/L Se    No./100ml    No./100ml      mg/L Cd


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          6           36           36           36
 MOYENNE                          0.000        8425.         116.        0.000
 MINIMUM                          0.000         240.           4.        0.000
 DATE DU MINIMUM             1994-04-11   1995-03-13   1996-08-12   1994-01-12
 10 IEME CENTILE                                616.           8.        0.000
 MEDIANE                          0.000        3300.          48.        0.000
 90 IEME CENTILE                              19100.         240.        0.000
 MAXIMUM                          0.000       79000.         700.        0.000
 DATE DU MAXIMUM             1996-10-14   1996-09-09   1996-04-08   1996-12-09
 ECART TYPE                       0.000       14721.         150.        0.000




                               Hg TOTAL     Pb TOTAL     Pb TOTAL      BENZENE
                                                                              
                                  80016        82001        82911        95100
                                ug/L Hg      mg/L Pb      mg/L Pb         ug/L


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           15           21            7
 MOYENNE                          0.000        0.001        0.001          0.0
 MINIMUM                          0.000        0.000        0.000          0.0
 DATE DU MINIMUM             1994-01-12   1994-03-07   1995-04-10   1995-04-10
 10 IEME CENTILE                  0.000        0.000        0.000             
 MEDIANE                          0.000        0.001        0.000          0.0
 90 IEME CENTILE                  0.000        0.002        0.003             
 MAXIMUM                          0.000        0.010        0.004          0.0
 DATE DU MAXIMUM             1996-12-09   1994-10-11   1995-10-09   1996-10-14
 ECART TYPE                       0.000        0.002        0.001          0.0





 NOM DE LA STATION - SAGAMI RIVER AT SAMUKAWA       NUMERO DE LA STATION 080007
 PAYS - JAPON                                       PROFONDEUR(M)       3.0
 LOCATION - OCT. 2  LAT. 35/22/20  LONG. 139/22/30  ELEVATION(M)   5.0
 CENTRE REGIONAL - WPRA                             TYPE D'EAU   RIVIERE    

 PERIODE DEMANDEE  - 1994-01-01 TO 1996-12-31
 PERIODE DE RELEVEMENT  - 1994-01-12 TO 1996-12-11

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                             COND SPEC.         TEMP      B TOTAL       B DISS
                                                                              
                                  02041        02061        05011        05111
                                  uS/cm           oC       mg/L B       ug/L B


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36            3            2
 MOYENNE                           204.         15.4          0.0          0.0
 MINIMUM                           144.          5.6                          
 DATE DU MINIMUM             1995-06-14   1996-01-10                          
 10 IEME CENTILE                   163.          7.9                          
 MEDIANE                           210.         15.8                          
 90 IEME CENTILE                   221.         23.9                          
 MAXIMUM                           229.         26.2                          
 DATE DU MAXIMUM             1996-07-17   1995-08-16                          
 ECART TYPE                         21.          6.0                          




                                 B DISS   CARB. ORG.     CHLORA A       NO3NO2
                                                DISS                          
                                  05190        06101        06711        07105
                                 mg/L B       mg/L C         mg/L       mg/L N


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          2           14           36            9
 MOYENNE                            0.0          1.2       0.0103         1.84
 MINIMUM                                         0.7       0.0015         1.19
 DATE DU MINIMUM                          1994-01-12   1994-10-12   1994-08-10
 10 IEME CENTILE                                 0.7       0.0020             
 MEDIANE                                         1.0       0.0074         1.91
 90 IEME CENTILE                                 1.5       0.0153             
 MAXIMUM                                         2.7       0.0809         2.51
 DATE DU MAXIMUM                          1996-04-10   1995-06-14   1995-02-15
 ECART TYPE                                      0.5       0.0132         0.48




                                 NO3NO2          NH3 POURC.SAT.OD      O2 DISS
                                                                              
                                  07316        07551        08001        08102
                                 mg/L N       mg/L N  POURCENTAGE      mg/L O2


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         21           36           36           36
 MOYENNE                           1.84         0.14          92.          9.0
 MINIMUM                           1.33         0.04          72.          5.8
 DATE DU MINIMUM             1995-07-12   1995-07-12   1994-08-10   1994-08-10
 10 IEME CENTILE                   1.45         0.05          82.          6.9
 MEDIANE                           1.83         0.11          92.          9.0
 90 IEME CENTILE                   2.35         0.23         101.         10.7
 MAXIMUM                           2.46         0.30         129.         11.7
 DATE DU MAXIMUM             1996-12-11   1995-02-15   1995-12-13   1994-03-09
 ECART TYPE                        0.35         0.08          10.          1.5





                                    DBO          DCO       F DISS      ALC TOT
                                                                              
                                  08201        08301        09104        10102
                                mg/L O2      mg/L O2       MG/L F   mg/L CaCO3


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36           24           36
 MOYENNE                             2.           2.          0.1        53.47
 MINIMUM                             1.           1.          0.0        36.00
 DATE DU MINIMUM             1996-09-11   1994-11-16   1995-07-12   1995-06-14
 10 IEME CENTILE                     1.           1.          0.0        43.60
 MEDIANE                             2.           2.          0.1        54.00
 90 IEME CENTILE                     2.           3.          0.1        59.60
 MAXIMUM                             3.           4.          0.2        65.00
 DATE DU MAXIMUM             1994-12-14   1996-03-13   1995-08-16   1994-09-07
 ECART TYPE                          1.           1.          0.0         5.93




                                     pH     MAT.SUSP      Na DISS      Mg DISS
                                               105oC                          
                                  10300        10401        11102        12103
                           UNITES DE pH         mg/L      mg/L Na      mg/L Mg


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           11           30           36
 MOYENNE                            7.7         145.          10.           6.
 MINIMUM                            7.2          65.           6.           3.
 DATE DU MINIMUM             1994-03-09   1994-10-12   1995-06-14   1995-06-14
 10 IEME CENTILE                    7.5          68.           8.           4.
 MEDIANE                            7.7         148.          10.           6.
 90 IEME CENTILE                    7.9         193.          11.           7.
 MAXIMUM                            8.1         202.          13.          10.
 DATE DU MAXIMUM             1996-02-14   1994-04-18   1994-03-09   1996-09-11
 ECART TYPE                         0.2          39.           1.           1.




                               Al TOTAL     Al TOTAL    SIL REACT      P TOTAL
                                                                              
                                  13002        13009        14101        15405
                                mg/L Al      mg/L Al    mg/L SiO2       mg/L P


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         15           21            9           36
 MOYENNE                          0.521        0.319        20.67        0.063
 MINIMUM                          0.090        0.060        18.00        0.010
 DATE DU MINIMUM             1995-01-11   1996-01-10   1994-04-18   1995-04-12
 10 IEME CENTILE                  0.100        0.091                     0.010
 MEDIANE                          0.260        0.270        20.00        0.060
 90 IEME CENTILE                  1.020        0.458                     0.120
 MAXIMUM                          3.180        1.600        24.00        0.210
 DATE DU MAXIMUM             1994-07-13   1995-06-14   1994-03-09   1994-07-13
 ECART TYPE                       0.792        0.322         1.80        0.043



                                SULFATE      SULFATE      Cl DISS         PCBS
                                                                              
                                  16303        16309        17201        18165
                               mg/L SO4     mg/L SO4      mg/L CL         ug/L


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          9           21           35            6
 MOYENNE                            21.          23.          12.        0.000
 MINIMUM                            15.          15.           6.        0.000
 DATE DU MINIMUM             1994-03-09   1995-06-14   1995-06-14   1994-04-18
 10 IEME CENTILE                                 16.          10.             
 MEDIANE                            20.          21.          12.        0.000
 90 IEME CENTILE                                 28.          14.             
 MAXIMUM                            33.          39.          16.        0.000
 DATE DU MAXIMUM             1994-08-10   1996-03-13   1994-02-16   1996-10-16
 ECART TYPE                          5.           6.           2.        0.000




                                 K DISS       K DISS      Ca DISS     Cr TOTAL
                                                                              
                                  19102        19111        20101        24002
                                 mg/L K       mg/L K      mg/L Ca      mg/L Cr


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         15           21           36            6
 MOYENNE                            1.7          1.6       20.806        0.000
 MINIMUM                            0.8          1.0       16.000        0.000
 DATE DU MINIMUM             1994-07-13   1995-06-14   1994-03-09   1994-04-18
 10 IEME CENTILE                    1.0          1.1       16.600             
 MEDIANE                            1.8          1.6       21.000        0.000
 90 IEME CENTILE                    2.0          2.0       23.000             
 MAXIMUM                            2.3          2.1       25.000        0.000
 DATE DU MAXIMUM             1994-02-16   1996-07-17   1995-10-11   1996-10-16
 ECART TYPE                         0.4          0.3        2.149        0.000




                               Mn TOTAL      Mn DISS     Fe TOTAL      Fe DISS
                                                                              
                                  25005        25104        26004        26104
                                mg/L Mn      mg/L Mn      mg/L Fe      mg/L Fe


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           33           36           33
 MOYENNE                           0.03         0.02         0.40         0.04
 MINIMUM                           0.01         0.00         0.08         0.00
 DATE DU MINIMUM             1994-01-12   1994-04-18   1996-01-10   1994-04-18
 10 IEME CENTILE                   0.02         0.00         0.10         0.01
 MEDIANE                           0.03         0.01         0.25         0.03
 90 IEME CENTILE                   0.04         0.03         0.62         0.09
 MAXIMUM                           0.10         0.04         3.10         0.11
 DATE DU MAXIMUM             1994-07-13   1996-04-10   1994-07-13   1996-06-12
 ECART TYPE                        0.02         0.01         0.54         0.03




                               Ni TOTAL     Cu TOTAL     Zn TOTAL     As TOTAL
                                                                              
                                  28002        29006        30004        33007
                                mg/L Ni      mg/L Cu      mg/L Zn      mg/L As


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         18            6            6            6
 MOYENNE                          0.000        0.000        0.005        0.000
 MINIMUM                          0.000        0.000        0.000        0.000
 DATE DU MINIMUM             1994-01-12   1994-04-18   1994-04-18   1994-04-18
 10 IEME CENTILE                  0.000                                       
 MEDIANE                          0.000        0.000        0.005        0.000
 90 IEME CENTILE                  0.001                                       
 MAXIMUM                          0.003        0.000        0.010        0.000
 DATE DU MAXIMUM             1996-12-11   1996-10-16   1995-04-12   1996-10-16
 ECART TYPE                       0.001        0.000        0.005        0.000




                               Se TOTAL   COLIFORMES    COL. FEC.     Cd TOTAL
                                               TOTAU                          
                                  34002        36001        36012        48001
                                mg/L Se    No./100ml    No./100ml      mg/L Cd


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          6           36           36           20
 MOYENNE                          0.000      3.6E+04        1086.        0.000
 MINIMUM                          0.000      4.6E+03         130.        0.000
 DATE DU MINIMUM             1994-04-18   1996-02-14   1996-03-13   1994-01-12
 10 IEME CENTILE                             7.9E+03         254.        0.000
 MEDIANE                          0.000      2.4E+04         790.        0.000
 90 IEME CENTILE                             7.9E+04        1910.        0.000
 MAXIMUM                          0.000      1.7E+05        3300.        0.000
 DATE DU MAXIMUM             1996-10-16   1994-07-13   1994-07-13   1996-12-11
 ECART TYPE                       0.000      3.6E+04         824.        0.000




                               Hg TOTAL     Pb TOTAL     Pb TOTAL      PHENOLS
                                                                              
                                  80016        82001        82911        95011
                                ug/L Hg      mg/L Pb      mg/L Pb         ug/L


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         20           15           21            3
 MOYENNE                          0.000        0.000        0.000          0.0
 MINIMUM                          0.000        0.000        0.000             
 DATE DU MINIMUM             1994-01-12   1994-01-12   1995-04-12             
 10 IEME CENTILE                  0.000        0.000        0.000             
 MEDIANE                          0.000        0.000        0.000             
 90 IEME CENTILE                  0.000        0.000        0.000             
 MAXIMUM                          0.000        0.000        0.000             
 DATE DU MAXIMUM             1996-12-11   1995-03-15   1996-12-11             
 ECART TYPE                       0.000        0.000        0.000             


                                BENZENE   DEBIT INST.
                                                    
                                  95100        97160
                                   ug/L         M3/S


 NO. DE VALEURS - MENTION L           0            0
 NO. DE VALEURS - MENTION G           0            0
 NO. DE VALEURS SANS MENTION         22           36
 MOYENNE                            0.0         25.0
 MINIMUM                            0.0         14.2
 DATE DU MINIMUM             1995-01-11   1996-03-13
 10 IEME CENTILE                    0.0         15.2
 MEDIANE                            0.0         19.0
 90 IEME CENTILE                    0.0         33.9
 MAXIMUM                            0.0         87.7
 DATE DU MAXIMUM             1996-12-11   1995-06-14
 ECART TYPE                         0.0         16.3





 NOM DE LA STATION - KISO RIVER AT INUYAMA          NUMERO DE LA STATION 080010
 PAYS - JAPON                                       PROFONDEUR(M)       3.4
 LOCATION - OCT. 2  LAT. 35/23/42  LONG. 136/57/49  ELEVATION(M)  36.5
 CENTRE REGIONAL - WPRA                             TYPE D'EAU   RIVIERE    

 PERIODE DEMANDEE  - 1994-01-01 TO 1996-12-31
 PERIODE DE RELEVEMENT  - 1994-01-11 TO 1996-12-03

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                             COND SPEC.         TEMP       B DISS      PHENOLS
                                                                              
                                  02041        02062        05111        06532
                                  uS/cm           oC       ug/L B         mg/L


 NO. DE VALEURS - MENTION L           0            0           12           23
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36           24            0
 MOYENNE                            78.         13.2          0.0        5.000
 MINIMUM                            42.          0.3          0.0        5.000
 DATE DU MINIMUM             1996-09-03   1994-02-02   1994-01-11   1994-01-11
 10 IEME CENTILE                    52.          4.1          0.0        5.000
 MEDIANE                            80.         13.9          0.0        5.000
 90 IEME CENTILE                    97.         22.4          0.1        5.000
 MAXIMUM                           123.         26.4          0.1        5.000
 DATE DU MAXIMUM             1994-09-06   1994-09-06   1996-12-03   1996-11-05
 ECART TYPE                         18.          7.1          0.0        0.000




                               CHLORA A       NO3NO2       NO3NO2   AZOTE ORG.
                                                                          DISS
                                  06711        07105        07316        07403
                                   mg/L       mg/L N       mg/L N       mg/L N


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         35           12           24           33
 MOYENNE                         0.0031         0.41         0.40          0.2
 MINIMUM                         0.0004         0.31         0.30          0.0
 DATE DU MINIMUM             1996-07-02   1994-04-12   1996-05-07   1995-04-11
 10 IEME CENTILE                 0.0008         0.31         0.34          0.1
 MEDIANE                         0.0022         0.39         0.39          0.2
 90 IEME CENTILE                 0.0073         0.49         0.44          0.3
 MAXIMUM                         0.0100         0.55         0.52          0.3
 DATE DU MAXIMUM             1994-09-06   1994-10-04   1996-03-05   1995-03-07
 ECART TYPE                      0.0025         0.07         0.05          0.1




                                    NH3   AZOTE ORG. POURC.SAT.OD      O2 DISS
                                                PART                          
                                  07555        07912        08001        08102
                                 mg/L N       ug/g N  POURCENTAGE      mg/L O2


 NO. DE VALEURS - MENTION L           1            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         35           22           36           36
 MOYENNE                           0.07       33.575         100.         10.4
 MINIMUM                           0.01        0.040          86.          6.8
 DATE DU MINIMUM             1994-07-05   1996-02-06   1994-09-06   1994-09-06
 10 IEME CENTILE                   0.02        0.380          93.          8.1
 MEDIANE                           0.05       40.000          98.         10.1
 90 IEME CENTILE                   0.14       50.000         107.         13.0
 MAXIMUM                           0.20       70.000         152.         14.0
 DATE DU MAXIMUM             1996-03-05   1995-03-07   1995-08-01   1996-02-06
 ECART TYPE                        0.05       19.257          10.          2.0



                                    DBO       F DISS       F DISS      ALC TOT
                                                                              
                                  08201        09107        09116        10102
                                mg/L O2       mg/L F       mg/L F   mg/L CaCO3


 NO. DE VALEURS - MENTION L           5            0            4            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         31           24            8           36
 MOYENNE                             1.          0.1          0.1        18.47
 MINIMUM                             0.          0.1          0.1        11.60
 DATE DU MINIMUM             1995-05-09   1994-01-11   1996-01-16   1995-07-11
 10 IEME CENTILE                     0.          0.1          0.1        13.46
 MEDIANE                             1.          0.1          0.1        19.00
 90 IEME CENTILE                     1.          0.1          0.1        22.13
 MAXIMUM                             1.          0.1          0.1        25.50
 DATE DU MAXIMUM             1996-06-04   1995-12-05   1996-12-03   1994-09-06
 ECART TYPE                          0.          0.0          0.0         3.24




                                     pH     MAT.SUSP      Na DISS      Na DISS
                                               105oC                          
                                  10302        10401        11105        11111
                           UNITES DE pH         mg/L      mg/L Na      mg/L Na


 NO. DE VALEURS - MENTION L           0            2            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           31            3           33
 MOYENNE                            7.3           4.           6.         5.94
 MINIMUM                            7.0           1.                      3.00
 DATE DU MINIMUM             1994-02-02   1994-04-12                1995-07-11
 10 IEME CENTILE                    7.1           1.                      4.00
 MEDIANE                            7.3           2.                      6.00
 90 IEME CENTILE                    7.4           8.                      8.00
 MAXIMUM                            7.5          33.                     10.00
 DATE DU MAXIMUM             1994-09-06   1994-10-04                1994-09-06
 ECART TYPE                         0.1           6.                      1.75




                                Mg DISS      Mg DISS      Mg DISS      Al DISS
                                                                              
                                  12102        12111        12115        13109
                                mg/L Mg      mg/L Mg      mg/L Mg      mg/L Al


 NO. DE VALEURS - MENTION L           0            5            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          3            7           21           24
 MOYENNE                             1.           1.           1.        0.013
 MINIMUM                                          1.           1.        0.006
 DATE DU MINIMUM                          1996-02-06   1994-04-12   1995-10-03
 10 IEME CENTILE                                  1.           1.        0.008
 MEDIANE                                          1.           1.        0.013
 90 IEME CENTILE                                  1.           1.        0.016
 MAXIMUM                                          2.           1.        0.023
 DATE DU MAXIMUM                          1996-01-16   1995-12-05   1995-07-11
 ECART TYPE                                       0.           0.        0.004




                                Al DISS    SIL REACT    SIL REACT      P TOTAL
                                                                              
                                  13111        14101        14111        15405
                                mg/L Al    mg/L SiO2    mg/L SiO2       mg/L P


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         12           12           24           36
 MOYENNE                          0.008        10.53         11.4        0.029
 MINIMUM                          0.004         8.80          8.8        0.010
 DATE DU MINIMUM             1996-01-16   1994-10-04   1995-07-11   1994-05-10
 10 IEME CENTILE                  0.004         9.02          9.6        0.018
 MEDIANE                          0.008        10.50         11.5        0.027
 90 IEME CENTILE                  0.011        11.31         12.7        0.038
 MAXIMUM                          0.014        11.80         13.7        0.110
 DATE DU MAXIMUM             1996-09-03   1994-02-02   1996-01-16   1994-10-04
 ECART TYPE                       0.003         0.79          1.2        0.016




                           TOTAL P DISS TOT. P SUSP.      SULFATE      Cl DISS
                                                                              
                                  15417        15902        16309        17207
                                 mg/L P       ug/g P     mg/L SO4      mg/L CL


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           30           36           24
 MOYENNE                          0.013       13.417           9.           5.
 MINIMUM                          0.005        0.019           5.           2.
 DATE DU MINIMUM             1994-05-10   1996-02-06   1994-04-12   1994-04-12
 10 IEME CENTILE                  0.006        0.420           5.           2.
 MEDIANE                          0.012       11.000           9.           5.
 90 IEME CENTILE                  0.017       19.000          11.           6.
 MAXIMUM                          0.034       88.000          14.           9.
 DATE DU MAXIMUM             1994-08-02   1994-10-04   1994-09-06   1994-09-06
 ECART TYPE                       0.005       15.647           2.           2.




                                Cl DISS         PCBS       K DISS       K DISS
                                                                              
                                  17209        18165        19105        19111
                                mg/L CL         ug/L       mg/L K       mg/L K


 NO. DE VALEURS - MENTION L           0            6            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         12            0            3           33
 MOYENNE                             5.        0.100          1.2          1.1
 MINIMUM                             2.        0.100                       0.4
 DATE DU MINIMUM             1996-07-02   1994-02-02                1996-07-02
 10 IEME CENTILE                     2.                                    0.7
 MEDIANE                             5.        0.100                       1.1
 90 IEME CENTILE                     7.                                    1.5
 MAXIMUM                             9.        0.100                       1.9
 DATE DU MAXIMUM             1996-03-05   1996-08-06                1994-09-06
 ECART TYPE                          2.        0.000                       0.3





                                Ca DISS      Ca DISS     Cr TOTAL     Cr TOTAL
                                                                              
                                  20103        20111        24002        24009
                                mg/L Ca      mg/L Ca      mg/L Cr      mg/L Cr


 NO. DE VALEURS - MENTION L           0            0            3           20
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          3           33            0            1
 MOYENNE                          6.967        6.845        0.001        0.001
 MINIMUM                                       1.500                     0.001
 DATE DU MINIMUM                          1994-11-08                1994-04-12
 10 IEME CENTILE                               4.900                     0.001
 MEDIANE                                       7.100                     0.001
 90 IEME CENTILE                               8.670                     0.001
 MAXIMUM                                       9.800                     0.001
 DATE DU MAXIMUM                          1994-09-06                1995-12-05
 ECART TYPE                                    1.720                     0.000




                               Cr TOTAL      Cr DISS      Cr DISS     Mn TOTAL
                                                                              
                                  24011        24052        24111        25004
                                mg/L Cr      mg/L Cr      mg/L Cr      mg/L Mn


 NO. DE VALEURS - MENTION L          10            3           33            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          2            0            0            3
 MOYENNE                          0.001        0.001        0.001         0.02
 MINIMUM                          0.001                     0.001             
 DATE DU MINIMUM             1996-01-16                1994-04-12             
 10 IEME CENTILE                  0.001                     0.001             
 MEDIANE                          0.001                     0.001             
 90 IEME CENTILE                  0.001                     0.001             
 MAXIMUM                          0.002                     0.001             
 DATE DU MAXIMUM             1996-02-06                1996-12-03             
 ECART TYPE                       0.000                     0.000             




                               Mn TOTAL     Mn TOTAL     Mn TOTAL      Mn DISS
                                                                              
                                  25009        25010        25011        25104
                                mg/L Mn      mg/L Mn      mg/L Mn      mg/L Mn


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         12            9           12            3
 MOYENNE                           0.02         0.02         0.02         0.01
 MINIMUM                           0.01         0.02         0.01             
 DATE DU MINIMUM             1995-02-07   1994-04-12   1996-04-09             
 10 IEME CENTILE                   0.01                      0.01             
 MEDIANE                           0.02         0.02         0.01             
 90 IEME CENTILE                   0.02                      0.02             
 MAXIMUM                           0.02         0.04         0.04             
 DATE DU MAXIMUM             1995-10-03   1994-10-04   1996-01-16             
 ECART TYPE                        0.00         0.01         0.01             




                                Mn DISS      Mn DISS     Fe TOTAL     Fe TOTAL
                                                                              
                                  25109        25111        26004        26009
                                mg/L Mn      mg/L Mn      mg/L Fe      mg/L Fe


 NO. DE VALEURS - MENTION L           3            8            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         18            4            3           21
 MOYENNE                           0.01         0.01         0.14         0.19
 MINIMUM                           0.00         0.01                      0.05
 DATE DU MINIMUM             1994-05-10   1996-01-16                1994-09-06
 10 IEME CENTILE                   0.00         0.01                      0.06
 MEDIANE                           0.00         0.01                      0.11
 90 IEME CENTILE                   0.01         0.01                      0.20
 MAXIMUM                           0.02         0.01                      1.50
 DATE DU MAXIMUM             1995-12-05   1996-12-03                1994-10-04
 ECART TYPE                        0.01         0.00                      0.31




                               Fe TOTAL      Fe DISS      Fe DISS      Fe DISS
                                                                              
                                  26011        26104        26109        26111
                                mg/L Fe      mg/L Fe      mg/L Fe      mg/L Fe


 NO. DE VALEURS - MENTION L           0            0            0            2
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         12            3           21           10
 MOYENNE                           0.11         0.02         0.02         0.01
 MINIMUM                           0.06                      0.01         0.01
 DATE DU MINIMUM             1996-04-09                1994-05-10   1996-01-16
 10 IEME CENTILE                   0.06                      0.01         0.01
 MEDIANE                           0.10                      0.01         0.01
 90 IEME CENTILE                   0.13                      0.02         0.02
 MAXIMUM                           0.27                      0.03         0.03
 DATE DU MAXIMUM             1996-01-16                1994-10-04   1996-05-07
 ECART TYPE                        0.05                      0.01         0.01




                               Ni TOTAL     Ni TOTAL     Ni TOTAL      Ni DISS
                                                                              
                                  28001        28009        28011        28101
                                mg/L Ni      mg/L Ni      mg/L Ni      mg/L Ni


 NO. DE VALEURS - MENTION L           3           13           10            3
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            8            2            0
 MOYENNE                          0.001        0.001        0.001        0.001
 MINIMUM                                       0.001        0.001             
 DATE DU MINIMUM                          1994-04-12   1996-01-16             
 10 IEME CENTILE                               0.001        0.001             
 MEDIANE                                       0.001        0.001             
 90 IEME CENTILE                               0.001        0.001             
 MAXIMUM                                       0.001        0.002             
 DATE DU MAXIMUM                          1995-12-05   1996-03-05             
 ECART TYPE                                    0.000        0.000             




                                Ni DISS      Ni DISS     Cu TOTAL     Cu TOTAL
                                                                              
                                  28109        28111        29006        29009
                                mg/L Ni      mg/L Ni      mg/L Cu      mg/L Cu


 NO. DE VALEURS - MENTION L          18           11            0            5
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          3            1            3           16
 MOYENNE                          0.001        0.001        0.001        0.001
 MINIMUM                          0.001        0.001                     0.001
 DATE DU MINIMUM             1994-04-12   1996-01-16                1994-04-12
 10 IEME CENTILE                  0.001        0.001                     0.001
 MEDIANE                          0.001        0.001                     0.001
 90 IEME CENTILE                  0.001        0.001                     0.002
 MAXIMUM                          0.001        0.001                     0.002
 DATE DU MAXIMUM             1995-12-05   1996-12-03                1994-12-06
 ECART TYPE                       0.000        0.000                     0.000




                               Cu TOTAL      Cu DISS      Cu DISS      Cu DISS
                                                                              
                                  29011        29106        29109        29111
                                mg/L Cu      mg/L Cu      mg/L Cu      mg/L Cu


 NO. DE VALEURS - MENTION L          11            2            9           12
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          1            1           12            0
 MOYENNE                          0.001        0.001        0.001        0.001
 MINIMUM                          0.001                     0.001        0.001
 DATE DU MINIMUM             1996-02-06                1994-04-12   1996-01-16
 10 IEME CENTILE                  0.001                     0.001        0.001
 MEDIANE                          0.001                     0.001        0.001
 90 IEME CENTILE                  0.001                     0.001        0.001
 MAXIMUM                          0.002                     0.002        0.001
 DATE DU MAXIMUM             1996-01-16                1994-12-06   1996-12-03
 ECART TYPE                       0.000                     0.000        0.000




                               Zn TOTAL     Zn TOTAL     Zn TOTAL      Zn DISS
                                                                              
                                  30004        30009        30011        30104
                                mg/L Zn      mg/L Zn      mg/L Zn      mg/L Zn


 NO. DE VALEURS - MENTION L           0            0            1            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          3           21           11            3
 MOYENNE                          0.012        0.009        0.008        0.010
 MINIMUM                                       0.004        0.004             
 DATE DU MINIMUM                          1995-05-09   1996-04-09             
 10 IEME CENTILE                               0.005        0.004             
 MEDIANE                                       0.008        0.008             
 90 IEME CENTILE                               0.012        0.012             
 MAXIMUM                                       0.020        0.013             
 DATE DU MAXIMUM                          1995-11-07   1996-03-05             
 ECART TYPE                                    0.004        0.003             



                                Zn DISS      Zn DISS     As TOTAL     Se TOTAL
                                                                              
                                  30109        30111        33007        34002
                                mg/L Zn      mg/L Zn      mg/L As      mg/L Se


 NO. DE VALEURS - MENTION L           0            1            4            6
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         21           11            2            0
 MOYENNE                          0.006        0.005        0.001        0.001
 MINIMUM                          0.002        0.003        0.001        0.001
 DATE DU MINIMUM             1994-10-04   1996-01-16   1994-02-02   1994-02-02
 10 IEME CENTILE                  0.002        0.003                          
 MEDIANE                          0.005        0.004        0.001        0.001
 90 IEME CENTILE                  0.009        0.006                          
 MAXIMUM                          0.013        0.009        0.001        0.001
 DATE DU MAXIMUM             1995-12-05   1996-02-06   1996-08-06   1996-08-06
 ECART TYPE                       0.003        0.002        0.000        0.000




                             COLIFORMES    COL. FEC.     Cd TOTAL     Cd TOTAL
                                  TOTAU                                       
                                  36002        36012        48001        48009
                              No./100ml    No./100ml      mg/L Cd      mg/L Cd


 NO. DE VALEURS - MENTION L           0            0            3           21
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36            0            0
 MOYENNE                          1168.         225.        0.001        0.001
 MINIMUM                           160.          20.                     0.001
 DATE DU MINIMUM             1996-04-09   1994-04-12                1994-04-12
 10 IEME CENTILE                   256.          40.                     0.001
 MEDIANE                           850.         115.                     0.001
 90 IEME CENTILE                  2100.         404.                     0.001
 MAXIMUM                          3500.        1600.                     0.001
 DATE DU MAXIMUM             1994-10-04   1994-10-04                1995-12-05
 ECART TYPE                        817.         305.                     0.000




                               Cd TOTAL      Cd DISS      Cd DISS      Cd DISS
                                                                              
                                  48011        48101        48109        48111
                                mg/L Cd      mg/L Cd      mg/L Cd      mg/L Cd


 NO. DE VALEURS - MENTION L          12            3           21           12
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0            0
 MOYENNE                          0.001        0.001        0.001        0.001
 MINIMUM                          0.001                     0.001        0.001
 DATE DU MINIMUM             1996-01-16                1994-04-12   1996-01-16
 10 IEME CENTILE                  0.001                     0.001        0.001
 MEDIANE                          0.001                     0.001        0.001
 90 IEME CENTILE                  0.001                     0.001        0.001
 MAXIMUM                          0.001                     0.001        0.001
 DATE DU MAXIMUM             1996-12-03                1995-12-05   1996-12-03
 ECART TYPE                       0.000                     0.000        0.000




                               Hg TOTAL     Pb TOTAL     Pb TOTAL     Pb TOTAL
                                                                              
                                  80016        82001        82009        82011
                                ug/L Hg      mg/L Pb      mg/L Pb      mg/L Pb


 NO. DE VALEURS - MENTION L           6            2           11           11
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            1            1            1
 MOYENNE                          0.010        0.001        0.001        0.001
 MINIMUM                          0.010                     0.001        0.001
 DATE DU MINIMUM             1994-02-02                1995-01-10   1996-01-16
 10 IEME CENTILE                                            0.001        0.001
 MEDIANE                          0.010                     0.001        0.001
 90 IEME CENTILE                                            0.001        0.001
 MAXIMUM                          0.010                     0.001        0.001
 DATE DU MAXIMUM             1996-08-06                1995-12-05   1996-12-03
 ECART TYPE                       0.000                     0.000        0.000




                               Pb TOTAL      Pb DISS      Pb DISS      Pb DISS
                                                                              
                                  82090        82101        82109        82111
                                mg/L Pb      mg/L Pb      mg/L Pb      mg/L Pb


 NO. DE VALEURS - MENTION L           9            3           21           12
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0            0
 MOYENNE                          0.001        0.001        0.001        0.001
 MINIMUM                          0.001                     0.001        0.001
 DATE DU MINIMUM             1994-04-12                1994-04-12   1996-01-16
 10 IEME CENTILE                                            0.001        0.001
 MEDIANE                          0.001                     0.001        0.001
 90 IEME CENTILE                                            0.001        0.001
 MAXIMUM                          0.001                     0.001        0.001
 DATE DU MAXIMUM             1994-12-06                1995-12-05   1996-12-03
 ECART TYPE                       0.000                     0.000        0.000




                                PHENOLS      BENZENE   DEBIT INST.
                                                                 
                                  95011        95100        97160
                                   ug/L         ug/L         M3/S


 NO. DE VALEURS - MENTION L          12            9            0
 NO. DE VALEURS - MENTION G           0            0            0
 NO. DE VALEURS SANS MENTION          0            0           36
 MOYENNE                            5.0          1.0        213.5
 MINIMUM                            5.0          1.0         31.0
 DATE DU MINIMUM             1995-01-10   1994-05-10   1994-09-06
 10 IEME CENTILE                    5.0                     104.0
 MEDIANE                            5.0          1.0        183.2
 90 IEME CENTILE                    5.0                     327.7
 MAXIMUM                            5.0          1.0        670.0
 DATE DU MAXIMUM             1995-12-05   1996-11-05   1995-07-11
 ECART TYPE                         0.0          0.0        124.4





 NOM DE LA STATION - KISO RIVER AT ASAHI            NUMERO DE LA STATION 080011
 PAYS - JAPON                                       PROFONDEUR(M)       2.2
 LOCATION - OCT. 2  LAT. 35/16/46  LONG. 136/43/07  ELEVATION(M)   3.5
 CENTRE REGIONAL - WPRA                             TYPE D'EAU   RIVIERE    

 PERIODE DEMANDEE  - 1994-01-01 TO 1996-12-31
 PERIODE DE RELEVEMENT  - 1994-01-11 TO 1996-12-10

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                             COND SPEC.         TEMP       B DISS      PHENOLS
                                                                              
                                  02041        02062        05111        06532
                                  uS/cm           oC       ug/L B         mg/L


 NO. DE VALEURS - MENTION L           0            0           12           23
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36           24            0
 MOYENNE                            82.         14.5          0.0        5.000
 MINIMUM                            48.          3.8          0.0        5.000
 DATE DU MINIMUM             1995-07-11   1995-01-17   1994-01-11   1994-01-11
 10 IEME CENTILE                    56.          5.5          0.0        5.000
 MEDIANE                            81.         13.4          0.0        5.000
 90 IEME CENTILE                   106.         23.4          0.1        5.000
 MAXIMUM                           120.         31.2          0.1        5.000
 DATE DU MAXIMUM             1994-08-09   1994-08-09   1996-12-10   1996-11-12
 ECART TYPE                         19.          7.3          0.0        0.000




                               CHLORA A       NO3NO2       NO3NO2          NH3
                                                                              
                                  06711        07105        07316        07555
                                   mg/L       mg/L N       mg/L N       mg/L N


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         32           12           24           36
 MOYENNE                         0.0043         0.46         0.45         0.04
 MINIMUM                         0.0010         0.26         0.15         0.00
 DATE DU MINIMUM             1995-01-17   1994-08-09   1995-01-17   1996-11-12
 10 IEME CENTILE                 0.0013         0.28         0.34         0.01
 MEDIANE                         0.0028         0.47         0.45         0.04
 90 IEME CENTILE                 0.0088         0.59         0.54         0.08
 MAXIMUM                         0.0146         0.63         0.64         0.13
 DATE DU MAXIMUM             1994-08-09   1994-10-11   1996-03-12   1996-06-11
 ECART TYPE                      0.0035         0.10         0.10         0.03




                           POURC.SAT.OD      O2 DISS          DBO       F DISS
                                                                              
                                  08001        08102        08201        09107
                            POURCENTAGE      mg/L O2      mg/L O2       mg/L F


 NO. DE VALEURS - MENTION L           0            0            5            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36           29           24
 MOYENNE                           103.         10.5           1.          0.1
 MINIMUM                            84.          7.3           0.          0.1
 DATE DU MINIMUM             1994-09-20   1994-09-20   1995-08-08   1994-01-11
 10 IEME CENTILE                    93.          8.0           1.          0.1
 MEDIANE                           102.         10.3           1.          0.1
 90 IEME CENTILE                   113.         13.2           1.          0.1
 MAXIMUM                           117.         14.1           1.          0.1
 DATE DU MAXIMUM             1995-02-14   1996-02-13   1996-05-14   1995-12-12
 ECART TYPE                          8.          2.0           0.          0.0




                                 F DISS      ALC TOT           pH     MAT.SUSP
                                                                         105oC
                                  09116        10102        10302        10401
                                 mg/L F   mg/L CaCO3 UNITES DE pH         mg/L


 NO. DE VALEURS - MENTION L           8            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          4           35           36           33
 MOYENNE                            0.1        18.89          7.5           6.
 MINIMUM                            0.1        10.70          7.1           1.
 DATE DU MINIMUM             1996-01-16   1996-07-10   1995-07-11   1995-01-17
 10 IEME CENTILE                    0.1        12.95          7.2           2.
 MEDIANE                            0.1        19.00          7.5           4.
 90 IEME CENTILE                    0.1        22.85          7.8          11.
 MAXIMUM                            0.2        26.30          8.6          33.
 DATE DU MAXIMUM             1996-02-13   1994-08-09   1994-08-09   1995-07-11
 ECART TYPE                         0.0         3.88          0.3           6.




                                Na DISS      Na DISS      Mg DISS      Mg DISS
                                                                              
                                  11105        11111        12102        12111
                                mg/L Na      mg/L Na      mg/L Mg      mg/L Mg


 NO. DE VALEURS - MENTION L           0            0            0            7
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          3           33            3            5
 MOYENNE                             7.         6.36           1.           1.
 MINIMUM                                        3.00                        1.
 DATE DU MINIMUM                          1995-07-11                1996-02-13
 10 IEME CENTILE                                4.00                        1.
 MEDIANE                                        6.00                        1.
 90 IEME CENTILE                                9.00                        1.
 MAXIMUM                                       10.00                        2.
 DATE DU MAXIMUM                          1994-08-09                1996-01-16
 ECART TYPE                                     1.90                        0.




                                Mg DISS      Al DISS      Al DISS    SIL REACT
                                                                              
                                  12115        13109        13111        14111
                                mg/L Mg      mg/L Al      mg/L Al    mg/L SiO2


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         21           24           12           36
 MOYENNE                             1.        0.014        0.012          9.7
 MINIMUM                             1.        0.003        0.001          7.7
 DATE DU MINIMUM             1994-04-12   1995-10-17   1996-01-16   1996-04-16
 10 IEME CENTILE                     1.        0.008        0.002          8.1
 MEDIANE                             1.        0.012        0.010          9.7
 90 IEME CENTILE                     1.        0.023        0.024         11.0
 MAXIMUM                             1.        0.039        0.032         12.5
 DATE DU MAXIMUM             1995-12-12   1994-08-09   1996-07-10   1995-05-17
 ECART TYPE                          0.        0.007        0.009          1.1




                                P TOTAL      SULFATE      Cl DISS      Cl DISS
                                                                              
                                  15405        16309        17207        17209
                                 mg/L P     mg/L SO4      mg/L CL      mg/L CL


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36           24           12
 MOYENNE                          0.031           9.           5.           5.
 MINIMUM                          0.000           5.           2.           2.
 DATE DU MINIMUM             1996-10-15   1995-07-11   1995-07-11   1996-07-10
 10 IEME CENTILE                  0.017           6.           3.           2.
 MEDIANE                          0.030           9.           6.           4.
 90 IEME CENTILE                  0.046          12.           7.           9.
 MAXIMUM                          0.093          16.           8.           9.
 DATE DU MAXIMUM             1995-07-11   1994-08-09   1995-12-12   1996-03-12
 ECART TYPE                       0.016           3.           2.           2.




                                   PCBS       K DISS       K DISS      Ca DISS
                                                                              
                                  18165        19105        19111        20103
                                   ug/L       mg/L K       mg/L K      mg/L Ca


 NO. DE VALEURS - MENTION L           6            0            1            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            3           32            3
 MOYENNE                          0.100          1.3          1.2        6.867
 MINIMUM                          0.100                       0.5             
 DATE DU MINIMUM             1994-02-08                1996-07-10             
 10 IEME CENTILE                                              0.9             
 MEDIANE                          0.100                       1.3             
 90 IEME CENTILE                                              1.5             
 MAXIMUM                          0.100                       2.0             
 DATE DU MAXIMUM             1996-08-20                1994-08-09             
 ECART TYPE                       0.000                       0.3             




                                Ca DISS     Cr TOTAL     Cr TOTAL     Cr TOTAL
                                                                              
                                  20111        24002        24009        24011
                                mg/L Ca      mg/L Cr      mg/L Cr      mg/L Cr


 NO. DE VALEURS - MENTION L           0            3           20           12
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         33            0            1            0
 MOYENNE                          7.361        0.001        0.001        0.001
 MINIMUM                          4.600                     0.001        0.001
 DATE DU MINIMUM             1995-07-11                1994-04-12   1996-01-16
 10 IEME CENTILE                  4.940                     0.001        0.001
 MEDIANE                          7.400                     0.001        0.001
 90 IEME CENTILE                  9.100                     0.001        0.001
 MAXIMUM                          9.900                     0.001        0.001
 DATE DU MAXIMUM             1996-01-16                1995-12-12   1996-12-10
 ECART TYPE                       1.491                     0.000        0.000



                                Cr DISS      Cr DISS     Mn TOTAL     Mn TOTAL
                                                                              
                                  24052        24111        25004        25009
                                mg/L Cr      mg/L Cr      mg/L Mn      mg/L Mn


 NO. DE VALEURS - MENTION L           3           32            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            1            3           12
 MOYENNE                          0.001        0.001         0.02         0.02
 MINIMUM                                       0.001                      0.01
 DATE DU MINIMUM                          1994-04-12                1995-01-17
 10 IEME CENTILE                               0.001                      0.01
 MEDIANE                                       0.001                      0.02
 90 IEME CENTILE                               0.001                      0.03
 MAXIMUM                                       0.001                      0.04
 DATE DU MAXIMUM                          1996-12-10                1995-06-13
 ECART TYPE                                    0.000                      0.01




                               Mn TOTAL     Mn TOTAL      Mn DISS      Mn DISS
                                                                              
                                  25010        25011        25104        25109
                                mg/L Mn      mg/L Mn      mg/L Mn      mg/L Mn


 NO. DE VALEURS - MENTION L           0            1            0            1
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          9           11            3           20
 MOYENNE                           0.04         0.02         0.02         0.01
 MINIMUM                           0.01         0.01                      0.00
 DATE DU MINIMUM             1994-12-13   1996-01-16                1994-06-14
 10 IEME CENTILE                                0.01                      0.00
 MEDIANE                           0.04         0.02                      0.01
 90 IEME CENTILE                                0.03                      0.02
 MAXIMUM                           0.07         0.03                      0.02
 DATE DU MAXIMUM             1994-08-09   1996-08-20                1995-06-13
 ECART TYPE                        0.02         0.01                      0.01




                                Mn DISS     Fe TOTAL     Fe TOTAL     Fe TOTAL
                                                                              
                                  25111        26004        26009        26011
                                mg/L Mn      mg/L Fe      mg/L Fe      mg/L Fe


 NO. DE VALEURS - MENTION L           4            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          8            3           21           12
 MOYENNE                           0.01         0.16         0.18         0.14
 MINIMUM                           0.01                      0.07         0.06
 DATE DU MINIMUM             1996-01-16                1995-12-12   1996-11-12
 10 IEME CENTILE                   0.01                      0.08         0.06
 MEDIANE                           0.01                      0.13         0.11
 90 IEME CENTILE                   0.02                      0.29         0.21
 MAXIMUM                           0.02                      0.69         0.36
 DATE DU MAXIMUM             1996-05-14                1995-07-11   1996-07-10
 ECART TYPE                        0.00                      0.14         0.08


                                Fe DISS      Fe DISS      Fe DISS     Ni TOTAL
                                                                              
                                  26104        26109        26111        28001
                                mg/L Fe      mg/L Fe      mg/L Fe      mg/L Ni


 NO. DE VALEURS - MENTION L           0            0            0            3
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          3           21           12            0
 MOYENNE                           0.04         0.03         0.03        0.001
 MINIMUM                                        0.02         0.02             
 DATE DU MINIMUM                          1994-05-17   1996-01-16             
 10 IEME CENTILE                                0.02         0.02             
 MEDIANE                                        0.03         0.03             
 90 IEME CENTILE                                0.03         0.03             
 MAXIMUM                                        0.04         0.04             
 DATE DU MAXIMUM                          1995-06-13   1996-07-10             
 ECART TYPE                                     0.01         0.01             




                               Ni TOTAL     Ni TOTAL      Ni DISS      Ni DISS
                                                                              
                                  28009        28011        28101        28109
                                mg/L Ni      mg/L Ni      mg/L Ni      mg/L Ni


 NO. DE VALEURS - MENTION L          18           11            3           21
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          3            1            0            0
 MOYENNE                          0.001        0.001        0.001        0.001
 MINIMUM                          0.001        0.001                     0.001
 DATE DU MINIMUM             1994-04-12   1996-01-16                1994-04-12
 10 IEME CENTILE                  0.001        0.001                     0.001
 MEDIANE                          0.001        0.001                     0.001
 90 IEME CENTILE                  0.001        0.001                     0.001
 MAXIMUM                          0.008        0.001                     0.001
 DATE DU MAXIMUM             1994-07-12   1996-12-10                1995-12-12
 ECART TYPE                       0.002        0.000                     0.000




                                Ni DISS     Cu TOTAL     Cu TOTAL     Cu TOTAL
                                                                              
                                  28111        29006        29009        29011
                                mg/L Ni      mg/L Cu      mg/L Cu      mg/L Cu


 NO. DE VALEURS - MENTION L          12            0            2           10
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            3           19            2
 MOYENNE                          0.001        0.001        0.001        0.001
 MINIMUM                          0.001                     0.001        0.001
 DATE DU MINIMUM             1996-01-16                1994-04-12   1996-01-16
 10 IEME CENTILE                  0.001                     0.001        0.001
 MEDIANE                          0.001                     0.001        0.001
 90 IEME CENTILE                  0.001                     0.002        0.001
 MAXIMUM                          0.001                     0.002        0.002
 DATE DU MAXIMUM             1996-12-10                1995-09-12   1996-12-10
 ECART TYPE                       0.000                     0.000        0.000




                                Cu DISS      Cu DISS      Cu DISS     Zn TOTAL
                                                                              
                                  29106        29109        29111        30004
                                mg/L Cu      mg/L Cu      mg/L Cu      mg/L Zn


 NO. DE VALEURS - MENTION L           0            5           12            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          3           16            0            3
 MOYENNE                          0.001        0.001        0.001        0.008
 MINIMUM                                       0.001        0.001             
 DATE DU MINIMUM                          1994-04-12   1996-01-16             
 10 IEME CENTILE                               0.001        0.001             
 MEDIANE                                       0.001        0.001             
 90 IEME CENTILE                               0.001        0.001             
 MAXIMUM                                       0.002        0.001             
 DATE DU MAXIMUM                          1995-05-17   1996-12-10             
 ECART TYPE                                    0.000        0.000             




                               Zn TOTAL     Zn TOTAL      Zn DISS      Zn DISS
                                                                              
                                  30009        30011        30104        30109
                                mg/L Zn      mg/L Zn      mg/L Zn      mg/L Zn


 NO. DE VALEURS - MENTION L           1            0            0            1
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         20           12            3           20
 MOYENNE                          0.005        0.006        0.005        0.003
 MINIMUM                          0.001        0.003                     0.001
 DATE DU MINIMUM             1994-08-09   1996-05-14                1995-08-08
 10 IEME CENTILE                  0.002        0.003                     0.001
 MEDIANE                          0.005        0.005                     0.003
 90 IEME CENTILE                  0.007        0.009                     0.004
 MAXIMUM                          0.008        0.012                     0.005
 DATE DU MAXIMUM             1995-11-14   1996-01-16                1995-02-14
 ECART TYPE                       0.002        0.003                     0.001




                                Zn DISS     As TOTAL     Se TOTAL   COLIFORMES
                                                                         TOTAU
                                  30111        33007        34002        36002
                                mg/L Zn      mg/L As      mg/L Se    No./100ml


 NO. DE VALEURS - MENTION L           1            4            6            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         11            2            0           36
 MOYENNE                          0.003        0.001        0.001        1354.
 MINIMUM                          0.001        0.001        0.001           5.
 DATE DU MINIMUM             1996-05-14   1994-02-08   1994-02-08   1996-02-13
 10 IEME CENTILE                  0.001                                    12.
 MEDIANE                          0.003        0.001        0.001         175.
 90 IEME CENTILE                  0.004                                  3300.
 MAXIMUM                          0.007        0.002        0.001       12000.
 DATE DU MAXIMUM             1996-01-16   1994-08-09   1996-08-20   1996-09-10
 ECART TYPE                       0.002        0.000        0.000        2778.




                              COL. FEC.     Cd TOTAL     Cd TOTAL     Cd TOTAL
                                                                              
                                  36012        48001        48009        48011
                              No./100ml      mg/L Cd      mg/L Cd      mg/L Cd


 NO. DE VALEURS - MENTION L           0            3           21           12
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          4            0            0            0
 MOYENNE                          2075.        0.001        0.001        0.001
 MINIMUM                           300.                     0.001        0.001
 DATE DU MINIMUM             1996-08-20                1994-04-12   1996-01-16
 10 IEME CENTILE                                            0.001        0.001
 MEDIANE                          2000.                     0.001        0.001
 90 IEME CENTILE                                            0.001        0.001
 MAXIMUM                          4000.                     0.001        0.001
 DATE DU MAXIMUM             1996-07-10                1995-12-12   1996-12-10
 ECART TYPE                       1719.                     0.000        0.000




                                Cd DISS      Cd DISS      Cd DISS     Hg TOTAL
                                                                              
                                  48101        48109        48111        80016
                                mg/L Cd      mg/L Cd      mg/L Cd      ug/L Hg


 NO. DE VALEURS - MENTION L           3           21           12            6
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0            0
 MOYENNE                          0.001        0.001        0.001        0.010
 MINIMUM                                       0.001        0.001        0.010
 DATE DU MINIMUM                          1994-04-12   1996-01-16   1994-02-08
 10 IEME CENTILE                               0.001        0.001             
 MEDIANE                                       0.001        0.001        0.010
 90 IEME CENTILE                               0.001        0.001             
 MAXIMUM                                       0.001        0.001        0.010
 DATE DU MAXIMUM                          1995-12-12   1996-12-10   1996-08-20
 ECART TYPE                                    0.000        0.000        0.000




                               Pb TOTAL     Pb TOTAL     Pb TOTAL      Pb DISS
                                                                              
                                  82001        82009        82011        82101
                                mg/L Pb      mg/L Pb      mg/L Pb      mg/L Pb


 NO. DE VALEURS - MENTION L           3           19           10            3
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            2            2            0
 MOYENNE                          0.001        0.001        0.001        0.001
 MINIMUM                                       0.001        0.001             
 DATE DU MINIMUM                          1994-04-12   1996-01-16             
 10 IEME CENTILE                               0.001        0.001             
 MEDIANE                                       0.001        0.001             
 90 IEME CENTILE                               0.001        0.001             
 MAXIMUM                                       0.002        0.001             
 DATE DU MAXIMUM                          1995-08-08   1996-12-10             
 ECART TYPE                                    0.000        0.000             




                                Pb DISS      Pb DISS      PHENOLS      BENZENE
                                                                              
                                  82109        82111        95011        95100
                                mg/L Pb      mg/L Pb         ug/L         ug/L


 NO. DE VALEURS - MENTION L          21           12           12            9
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0            0
 MOYENNE                          0.001        0.001          5.0          1.0
 MINIMUM                          0.001        0.001          5.0          1.0
 DATE DU MINIMUM             1994-04-12   1996-01-16   1995-01-17   1994-05-17
 10 IEME CENTILE                  0.001        0.001          5.0             
 MEDIANE                          0.001        0.001          5.0          1.0
 90 IEME CENTILE                  0.001        0.001          5.0             
 MAXIMUM                          0.001        0.001          5.0          1.0
 DATE DU MAXIMUM             1995-12-12   1996-12-10   1995-12-12   1996-11-12
 ECART TYPE                       0.000        0.000          0.0          0.0




                             DEBIT INST.
                                       
                                  97160
                                   M3/S


 NO. DE VALEURS - MENTION L           0
 NO. DE VALEURS - MENTION G           0
 NO. DE VALEURS SANS MENTION         36
 MOYENNE                          187.8
 MINIMUM                           44.0
 DATE DU MINIMUM             1994-07-12
 10 IEME CENTILE                   58.2
 MEDIANE                          117.9
 90 IEME CENTILE                  407.0
 MAXIMUM                          751.0
 DATE DU MAXIMUM             1995-05-17
 ECART TYPE                       164.0





 NOM DE LA STATION - SHINANO RIVER AT KYUZOGOYA     NUMERO DE LA STATION 080015
 PAYS - JAPON                                       PROFONDEUR(M)       2.8
 LOCATION - OCT. 2  LAT. 37/52/00  LONG. 139/02/00  ELEVATION(M)   0.8
 CENTRE REGIONAL - WPRA                             TYPE D'EAU   RIVIERE    

 PERIODE DEMANDEE  - 1994-01-01 TO 1996-12-31
 PERIODE DE RELEVEMENT  - 1994-01-10 TO 1995-12-19

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                             COND SPEC.         TEMP     CHLORA A       NO3NO2
                                                                              
                                  02041        02061        06711        07105
                                  uS/cm           oC         mg/L       mg/L N


 NO. DE VALEURS - MENTION L           0            0            9            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         51           51           42            2
 MOYENNE                           134.         12.5       0.0085         0.73
 MINIMUM                            56.          1.0       0.0020             
 DATE DU MINIMUM             1995-07-18   1994-02-14   1994-01-10             
 10 IEME CENTILE                    85.          3.0       0.0020             
 MEDIANE                           134.         11.5       0.0030             
 90 IEME CENTILE                   173.         22.4       0.0150             
 MAXIMUM                           193.         30.0       0.1050             
 DATE DU MAXIMUM             1995-02-07   1994-08-02   1994-08-02             
 ECART TYPE                         32.          8.0       0.0165             




                                 NO3NO2          NH3     AMMONIAC POURC.SAT.OD
                                                             DISS             
                                  07316        07556        07564        08001
                                 mg/L N       mg/L N       mg/L N  POURCENTAGE


 NO. DE VALEURS - MENTION L           0            0            2            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         43            6           19           51
 MOYENNE                           0.72         0.24          0.1          95.
 MINIMUM                           0.29         0.16          0.1          74.
 DATE DU MINIMUM             1994-07-19   1994-01-10   1994-07-19   1994-09-20
 10 IEME CENTILE                   0.48                       0.1          85.
 MEDIANE                           0.75         0.25          0.1          94.
 90 IEME CENTILE                   0.96                       0.2          99.
 MAXIMUM                           1.14         0.31          0.3         146.
 DATE DU MAXIMUM             1995-09-26   1994-02-16   1994-12-20   1994-07-19
 ECART TYPE                        0.18         0.05          0.0          11.




                                O2 DISS          DBO       F DISS       F DISS
                                                                              
                                  08101        08201        09105        09116
                                mg/L O2      mg/L O2       mg/L F       mg/L F


 NO. DE VALEURS - MENTION L           0            0            9           25
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         51            3            0           10
 MOYENNE                           10.1           1.          0.1          0.1
 MINIMUM                            6.2                       0.1          0.1
 DATE DU MINIMUM             1994-09-20                1994-01-10   1994-04-05
 10 IEME CENTILE                    7.5                                    0.1
 MEDIANE                           10.2                       0.1          0.1
 90 IEME CENTILE                   12.3                                    0.1
 MAXIMUM                           13.4                       0.1          0.1
 DATE DU MAXIMUM             1994-02-14                1994-03-22   1995-12-19
 ECART TYPE                         2.0                       0.0          0.0




                                ALC TOT           pH     MAT.SUSP      Na DISS
                                                            105oC             
                                  10102        10301        10401        11115
                             mg/L CaCO3 UNITES DE pH         mg/L      mg/L Na


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         51           51           51           36
 MOYENNE                          23.15          7.2          26.           9.
 MINIMUM                           9.50          6.6           5.           5.
 DATE DU MINIMUM             1995-07-18   1995-07-18   1994-03-22   1995-04-25
 10 IEME CENTILE                  13.55          7.0           7.           6.
 MEDIANE                          23.50          7.2          11.           8.
 90 IEME CENTILE                  30.50          7.4          34.          12.
 MAXIMUM                          32.00          8.4         432.          14.
 DATE DU MAXIMUM             1995-10-24   1994-07-19   1995-07-18   1995-10-24
 ECART TYPE                        6.25          0.3          61.           2.




                                Mg DISS      SULFATE      Cl DISS      Cl DISS
                                                                              
                                  12115        16309        17204        17209
                                mg/L Mg     mg/L SO4      mg/L CL      mg/L CL


 NO. DE VALEURS - MENTION L           1            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         35           36            5           40
 MOYENNE                             2.          14.          16.          12.
 MINIMUM                             1.           6.          14.           5.
 DATE DU MINIMUM             1994-04-19   1995-07-18   1994-01-10   1995-07-18
 10 IEME CENTILE                     1.           8.                        7.
 MEDIANE                             2.          14.          17.          12.
 90 IEME CENTILE                     3.          18.                       16.
 MAXIMUM                             3.          21.          18.          17.
 DATE DU MAXIMUM             1994-08-23   1994-09-20   1994-02-16   1995-10-24
 ECART TYPE                          1.           4.           2.           3.




                                Ca DISS     Cr TOTAL     Mn TOTAL      Mn DISS
                                                                              
                                  20115        24009        25010        25109
                                mg/L Ca      mg/L Cr      mg/L Mn      mg/L Mn


 NO. DE VALEURS - MENTION L           0           43            0            1
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36            2           45           50
 MOYENNE                          8.297        0.001         0.09         0.07
 MINIMUM                          3.000        0.001         0.05         0.01
 DATE DU MINIMUM             1995-07-18   1994-04-05   1994-03-22   1994-08-02
 10 IEME CENTILE                  4.360        0.001         0.05         0.03
 MEDIANE                          8.700        0.001         0.07         0.06
 90 IEME CENTILE                 10.990        0.003         0.14         0.13
 MAXIMUM                         12.800        0.004         0.46         0.18
 DATE DU MAXIMUM             1995-09-26   1995-07-18   1995-07-18   1995-07-18
 ECART TYPE                       2.611        0.001         0.07         0.04




                               Fe TOTAL      Fe DISS     Cu TOTAL     Cu TOTAL
                                                                              
                                  26009        26109        29006        29009
                                mg/L Fe      mg/L Fe      mg/L Cu      mg/L Cu


 NO. DE VALEURS - MENTION L           0            0            1            8
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         51           51            0           42
 MOYENNE                           0.99         0.27        0.010        0.004
 MINIMUM                           0.42         0.08                     0.002
 DATE DU MINIMUM             1994-07-19   1994-08-02                1994-08-23
 10 IEME CENTILE                   0.53         0.15                     0.002
 MEDIANE                           0.74         0.25                     0.003
 90 IEME CENTILE                   1.32         0.37                     0.010
 MAXIMUM                           7.20         1.03                     0.012
 DATE DU MAXIMUM             1995-07-18   1994-10-18                1995-07-18
 ECART TYPE                        0.96         0.13                     0.003




                               Zn TOTAL     Zn TOTAL     As TOTAL    COL. FEC.
                                                                              
                                  30001        30009        33011        36012
                                mg/L Zn      mg/L Zn      mg/L As    No./100ml


 NO. DE VALEURS - MENTION L           0            0            2            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          1           50            0           51
 MOYENNE                          0.035        0.010        0.003         200.
 MINIMUM                                       0.004                       22.
 DATE DU MINIMUM                          1994-07-19                1994-04-19
 10 IEME CENTILE                               0.005                       41.
 MEDIANE                                       0.009                      130.
 90 IEME CENTILE                               0.015                      396.
 MAXIMUM                                       0.043                     1000.
 DATE DU MAXIMUM                          1995-07-18                1994-09-20
 ECART TYPE                                    0.006                      194.




                               Cd TOTAL     Hg TOTAL     Pb TOTAL     Pb TOTAL
                                                                              
                                  48009        80011        82009        82360
                                mg/L Cd      ug/L Hg      mg/L Pb      mg/L Pb


 NO. DE VALEURS - MENTION L          51            9           16           26
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            2            1
 MOYENNE                          0.002        0.200        0.006        0.006
 MINIMUM                          0.001        0.200        0.005        0.005
 DATE DU MINIMUM             1994-04-05   1994-01-10   1995-04-11   1994-01-10
 10 IEME CENTILE                  0.001                     0.005        0.005
 MEDIANE                          0.001        0.200        0.005        0.005
 90 IEME CENTILE                  0.005                     0.005        0.005
 MAXIMUM                          0.005        0.200        0.016        0.026
 DATE DU MAXIMUM             1994-03-22   1994-03-22   1995-07-18   1994-12-06
 ECART TYPE                       0.002        0.000        0.003        0.004



                             DEBIT INST.
                                       
                                  97160
                                   M3/S


 NO. DE VALEURS - MENTION L           0
 NO. DE VALEURS - MENTION G           0
 NO. DE VALEURS SANS MENTION         50
 MOYENNE                          363.0
 MINIMUM                          197.0
 DATE DU MINIMUM             1994-11-15
 10 IEME CENTILE                  235.0
 MEDIANE                          361.5
 90 IEME CENTILE                  482.0
 MAXIMUM                          721.0
 DATE DU MAXIMUM             1995-07-18
 ECART TYPE                       100.6





 NOM DE LA STATION - LAKE MASHU                     NUMERO DE LA STATION 080016
 PAYS - JAPON                                       PROFONDEUR(M)     212.2
 LOCATION - OCT. 2  LAT. 43/35/23  LONG. 144/32/56  ELEVATION(M) 351.0
 CENTRE REGIONAL - WPRA                             TYPE D'EAU   LAC/RESERVO

 PERIODE DEMANDEE  - 1994-01-01 TO 1996-12-31
 PERIODE DE RELEVEMENT  - 1994-10-02 TO 1996-08-29

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                              SOMME DES   COND SPEC.         TEMP        TRANS
                                CATIONS                                       
                                  00120        02041        02061        02076
                                  meq/L        uS/cm           oC        METRE


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          5           15           10            2
 MOYENNE                          1.176          99.          7.4         21.5
 MINIMUM                          1.140          84.          3.6             
 DATE DU MINIMUM             1995-08-22   1995-08-22   1995-08-22             
 10 IEME CENTILE                                 84.          3.6             
 MEDIANE                          1.180          98.          4.6             
 90 IEME CENTILE                                121.         15.8             
 MAXIMUM                          1.210         135.         17.4             
 DATE DU MAXIMUM             1995-08-22   1995-08-22   1995-08-22             
 ECART TYPE                       0.025          16.          5.2             




                                B TOTAL          HAP       NO3NO2   AZOTE ORG.
                                                                          DISS
                                  05001        06505        07105        07403
                                 mg/L B         ug/L       mg/L N       mg/L N


 NO. DE VALEURS - MENTION L           0            0            2            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          5            8           12            1
 MOYENNE                            0.1         0.14         0.02          0.0
 MINIMUM                            0.1         0.06         0.00             
 DATE DU MINIMUM             1995-08-22   1996-08-29   1996-08-29             
 10 IEME CENTILE                                             0.00             
 MEDIANE                            0.1         0.11         0.01             
 90 IEME CENTILE                                             0.04             
 MAXIMUM                            0.1         0.28         0.05             
 DATE DU MAXIMUM             1995-08-22   1994-10-02   1996-08-29             
 ECART TYPE                         0.0         0.08         0.01             




                                    NH3   AZOTE ORG.      O2 DISS          DCO
                                                PART                          
                                  07556        07912        08101        08301
                                 mg/L N       ug/g N      mg/L O2      mg/L O2


 NO. DE VALEURS - MENTION L           8            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          7            5           10            5
 MOYENNE                           0.01        0.022         12.8           0.
 MINIMUM                           0.00        0.011         10.0           0.
 DATE DU MINIMUM             1996-08-29   1996-08-29   1995-08-22   1995-08-22
 10 IEME CENTILE                   0.00                      10.0             
 MEDIANE                           0.01        0.016         13.3           0.
 90 IEME CENTILE                   0.03                      14.0             
 MAXIMUM                           0.04        0.040         14.1           1.
 DATE DU MAXIMUM             1996-08-29   1996-08-29   1995-08-22   1995-08-22
 ECART TYPE                        0.01        0.013          1.5           0.





                                     pH      Na DISS      Mg DISS    SIL REACT
                                                                              
                                  10302        11105        12102        14101
                           UNITES DE pH      mg/L Na      mg/L Mg    mg/L SiO2


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         15           10           10            5
 MOYENNE                            7.4          12.           3.         5.36
 MINIMUM                            6.7          11.           3.         5.10
 DATE DU MINIMUM             1994-10-02   1995-08-22   1995-08-22   1995-08-22
 10 IEME CENTILE                    6.8          11.           3.             
 MEDIANE                            7.4          12.           3.         5.40
 90 IEME CENTILE                    7.7          13.           4.             
 MAXIMUM                            7.9          14.           4.         5.60
 DATE DU MAXIMUM             1994-10-02   1996-08-29   1996-08-29   1995-08-22
 ECART TYPE                         0.3           1.           0.         0.21




                                P TOTAL TOTAL P DISS      SULFATE      Cl DISS
                                                                              
                                  15405        15417        16309        17209
                                 mg/L P       mg/L P     mg/L SO4      mg/L CL


 NO. DE VALEURS - MENTION L           5            7            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          4            4           14           15
 MOYENNE                          0.001        0.001          12.           7.
 MINIMUM                          0.001        0.001          11.           6.
 DATE DU MINIMUM             1996-08-29   1995-08-22   1994-10-02   1996-08-29
 10 IEME CENTILE                               0.001          11.           7.
 MEDIANE                          0.001        0.001          12.           7.
 90 IEME CENTILE                               0.002          12.           8.
 MAXIMUM                          0.002        0.002          12.           8.
 DATE DU MAXIMUM             1995-08-22   1994-10-02   1995-08-22   1994-10-02
 ECART TYPE                       0.001        0.001           0.           0.




                                 K DISS      Ca DISS      Cr DISS      Mn DISS
                                                                              
                                  19105        20103        24052        25105
                                 mg/L K      mg/L Ca      mg/L Cr      mg/L Mn


 NO. DE VALEURS - MENTION L           0            0            5            4
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         10           10            0           11
 MOYENNE                            1.1        8.300        0.001         0.01
 MINIMUM                            0.9        7.400        0.001         0.00
 DATE DU MINIMUM             1996-08-29   1995-08-22   1994-10-02   1995-08-22
 10 IEME CENTILE                    0.9        7.400                      0.00
 MEDIANE                            1.1        8.250        0.001         0.00
 90 IEME CENTILE                    1.4        9.100                      0.01
 MAXIMUM                            1.4        9.400        0.001         0.02
 DATE DU MAXIMUM             1995-08-22   1996-08-29   1994-10-02   1996-08-29
 ECART TYPE                         0.2        0.744        0.000         0.01




                                Fe DISS      Ni DISS      Zn DISS     Cd TOTAL
                                                                              
                                  26105        28102        30105        48911
                                mg/L Fe      mg/L Ni      mg/L Zn      mg/L Cd


 NO. DE VALEURS - MENTION L           4           10            4            1
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         11            0           11            0
 MOYENNE                           0.01        0.001        0.000        0.001
 MINIMUM                           0.00        0.001        0.000             
 DATE DU MINIMUM             1996-08-29   1994-10-02   1995-08-22             
 10 IEME CENTILE                   0.00        0.001        0.000             
 MEDIANE                           0.01        0.001        0.000             
 90 IEME CENTILE                   0.01        0.001        0.001             
 MAXIMUM                           0.02        0.001        0.001             
 DATE DU MAXIMUM             1996-08-29   1995-08-22   1994-10-02             
 ECART TYPE                        0.01        0.000        0.001             




                               Pb TOTAL      BENZENE
                                                    
                                  82911        95100
                                mg/L Pb         ug/L


 NO. DE VALEURS - MENTION L           1            0
 NO. DE VALEURS - MENTION G           0            0
 NO. DE VALEURS SANS MENTION          0            4
 MOYENNE                          0.001          0.3
 MINIMUM                                         0.2
 DATE DU MINIMUM                          1994-10-02
 10 IEME CENTILE                                    
 MEDIANE                                         0.3
 90 IEME CENTILE                                    
 MAXIMUM                                         0.5
 DATE DU MAXIMUM                          1994-10-02
 ECART TYPE                                      0.2





 NOM DE LA STATION - ISHIKARI RIVER AT ISHIKARI     NUMERO DE LA STATION 080017
 PAYS - JAPON                                       PROFONDEUR(M)       2.8
 LOCATION - OCT. 2  LAT. 43/07/16  LONG. 141/32/47  ELEVATION(M)   0.6
 CENTRE REGIONAL - WPRA                             TYPE D'EAU   RIVIERE    

 PERIODE DEMANDEE  - 1994-01-01 TO 1996-12-31
 PERIODE DE RELEVEMENT  - 1994-01-19 TO 1996-12-18

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                             COND SPEC.         TEMP   CARB. ORG.      PHENOLS
                                                             DISS             
                                  02041        02062        06101        06532
                                  uS/cm           oC       mg/L C         mg/L


 NO. DE VALEURS - MENTION L           0            1            0           24
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           35           32            0
 MOYENNE                           142.          9.2          2.4        5.000
 MINIMUM                            72.          0.0          1.3        5.000
 DATE DU MINIMUM             1995-04-28   1994-01-19   1996-01-18   1994-01-19
 10 IEME CENTILE                    83.          0.2          1.5        5.000
 MEDIANE                           142.          8.5          2.2        5.000
 90 IEME CENTILE                   187.         19.6          3.2        5.000
 MAXIMUM                           209.         23.6          4.2        5.000
 DATE DU MAXIMUM             1996-01-18   1995-07-19   1995-07-19   1996-12-18
 ECART TYPE                         37.          8.0          0.7        0.000




                                 NO3NO2          NH3 POURC.SAT.OD      O2 DISS
                                                                              
                                  07105        07556        08001        08101
                                 mg/L N       mg/L N  POURCENTAGE      mg/L O2


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         23           14            3           35
 MOYENNE                           0.59         0.20          97.         11.3
 MINIMUM                           0.30         0.01                       8.2
 DATE DU MINIMUM             1995-06-14   1996-03-06                1994-08-24
 10 IEME CENTILE                   0.37         0.02                       8.6
 MEDIANE                           0.54         0.19                      11.2
 90 IEME CENTILE                   0.80         0.33                      13.4
 MAXIMUM                           1.00         0.69                      14.3
 DATE DU MAXIMUM             1996-03-06   1996-02-15                1994-01-19
 ECART TYPE                        0.17         0.18                       1.9




                                    DBO      ALC TOT           pH     MAT.SUSP
                                                                         105oC
                                  08201        10101        10302        10401
                                mg/L O2   mg/L CaCO3 UNITES DE pH         mg/L


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           35           36           36
 MOYENNE                             1.        37.15          7.3          34.
 MINIMUM                             1.        13.00          7.0           3.
 DATE DU MINIMUM             1996-05-15   1994-05-19   1994-05-19   1995-01-19
 10 IEME CENTILE                     1.        18.25          7.0          10.
 MEDIANE                             1.        35.50          7.3          15.
 90 IEME CENTILE                     2.        56.45          7.4          73.
 MAXIMUM                             2.        72.80          7.6         200.
 DATE DU MAXIMUM             1995-07-19   1995-03-03   1996-09-19   1996-04-26
 ECART TYPE                          0.        14.95          0.1          43.




                               Al TOTAL      Al DISS    SIL REACT      P TOTAL
                                                                              
                                  13011        13111        14101        15405
                                mg/L Al      mg/L Al    mg/L SiO2       mg/L P


 NO. DE VALEURS - MENTION L           0            2            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         34           32           24           31
 MOYENNE                          1.242        0.125        10.21        0.068
 MINIMUM                          0.050        0.006         3.00        0.010
 DATE DU MINIMUM             1995-01-19   1994-06-15   1994-03-03   1996-09-19
 10 IEME CENTILE                  0.204        0.010         3.52        0.035
 MEDIANE                          0.650        0.060         8.75        0.056
 90 IEME CENTILE                  3.376        0.432        18.05        0.131
 MAXIMUM                          4.040        0.680        20.30        0.227
 DATE DU MAXIMUM             1994-05-19   1994-08-24   1996-09-19   1996-04-26
 ECART TYPE                       1.230        0.176         5.24        0.044




                                Cl DISS         PCBS     Cr TOTAL     Mn TOTAL
                                                                              
                                  17207        18165        24002        25004
                                mg/L CL         ug/L      mg/L Cr      mg/L Mn


 NO. DE VALEURS - MENTION L           0           36           21           20
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         35            0           11           14
 MOYENNE                            11.        0.500        0.551         0.06
 MINIMUM                             5.        0.500        0.005         0.01
 DATE DU MINIMUM             1995-04-28   1994-01-19   1995-01-19   1994-04-27
 10 IEME CENTILE                     6.        0.500        0.005         0.01
 MEDIANE                             9.        0.500        0.005         0.01
 90 IEME CENTILE                    16.        0.500        1.556         0.11
 MAXIMUM                            18.        0.500        4.040         0.25
 DATE DU MAXIMUM             1996-02-15   1996-12-18   1994-05-19   1996-04-26
 ECART TYPE                          4.        0.000        1.117         0.07




                                Mn DISS     Fe TOTAL      Fe DISS     Cu TOTAL
                                                                              
                                  25104        26004        26104        29005
                                mg/L Mn      mg/L Fe      mg/L Fe      mg/L Cu


 NO. DE VALEURS - MENTION L          33            1           21           35
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          2           33           14            0
 MOYENNE                           0.02         1.65         0.09        0.020
 MINIMUM                           0.01         0.02         0.00        0.020
 DATE DU MINIMUM             1994-01-19   1995-01-19   1995-02-15   1994-01-19
 10 IEME CENTILE                   0.01         0.58         0.02        0.020
 MEDIANE                           0.01         1.09         0.02        0.020
 90 IEME CENTILE                   0.01         3.72         0.20        0.020
 MAXIMUM                           0.10         6.78         0.62        0.020
 DATE DU MAXIMUM             1995-03-03   1996-04-26   1996-05-15   1996-12-18
 ECART TYPE                        0.02         1.54         0.13        0.000




                                Cu DISS     Zn TOTAL      Zn DISS     As TOTAL
                                                                              
                                  29105        30005        30105        33007
                                mg/L Cu      mg/L Zn      mg/L Zn      mg/L As


 NO. DE VALEURS - MENTION L          35           26           34           34
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            9            1            1
 MOYENNE                          0.020        0.006        0.005        0.001
 MINIMUM                          0.020        0.005        0.005        0.001
 DATE DU MINIMUM             1994-01-19   1994-02-16   1994-01-19   1994-01-19
 10 IEME CENTILE                  0.020        0.005        0.005        0.001
 MEDIANE                          0.020        0.005        0.005        0.001
 90 IEME CENTILE                  0.020        0.010        0.005        0.001
 MAXIMUM                          0.020        0.012        0.020        0.001
 DATE DU MAXIMUM             1996-12-18   1996-05-15   1996-04-26   1996-12-18
 ECART TYPE                       0.000        0.002        0.003        0.000




                                As DISS     Se TOTAL      Se DISS   COLIFORMES
                                                                         TOTAU
                                  33104        34002        34102        36001
                                mg/L As      mg/L Se      mg/L Se    No./100ml


 NO. DE VALEURS - MENTION L          35           26           26            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0           36
 MOYENNE                          0.001        0.001        0.001        9036.
 MINIMUM                          0.001        0.001        0.001         490.
 DATE DU MINIMUM             1994-01-19   1994-01-19   1994-01-19   1994-03-03
 10 IEME CENTILE                  0.001        0.001        0.001        1100.
 MEDIANE                          0.001        0.001        0.001        4900.
 90 IEME CENTILE                  0.001        0.001        0.001       24000.
 MAXIMUM                          0.001        0.001        0.001       49000.
 DATE DU MAXIMUM             1996-12-18   1996-12-18   1996-12-18   1995-10-18
 ECART TYPE                       0.000        0.000        0.000       10163.




                               Cd TOTAL      Cd DISS     Hg TOTAL      Hg DISS
                                                                              
                                  48002        48102        80016        80111
                                mg/L Cd      mg/L Cd      ug/L Hg      ug/L Hg


 NO. DE VALEURS - MENTION L          35           35           35           35
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0            0
 MOYENNE                          0.001        0.001        0.500        0.500
 MINIMUM                          0.001        0.001        0.500        0.500
 DATE DU MINIMUM             1994-01-19   1994-01-19   1994-01-19   1994-01-19
 10 IEME CENTILE                  0.001        0.001        0.500        0.500
 MEDIANE                          0.001        0.001        0.500        0.500
 90 IEME CENTILE                  0.001        0.001        0.500        0.500
 MAXIMUM                          0.001        0.001        0.500        0.500
 DATE DU MAXIMUM             1996-12-18   1996-12-18   1996-12-18   1996-12-18
 ECART TYPE                       0.000        0.000        0.000        0.000




                               Pb TOTAL      Pb DISS      PHENOLS   DEBIT INST.
                                                                              
                                  82002        82103        95011        97160
                                mg/L Pb      mg/L Pb         ug/L         M3/S


 NO. DE VALEURS - MENTION L          33           35           12            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          2            0            0           36
 MOYENNE                          0.001        0.001          5.0        445.3
 MINIMUM                          0.001        0.001          5.0         64.9
 DATE DU MINIMUM             1994-01-19   1994-01-19   1995-01-19   1995-03-03
 10 IEME CENTILE                  0.001        0.001          5.0        110.7
 MEDIANE                          0.001        0.001          5.0        276.9
 90 IEME CENTILE                  0.001        0.001          5.0        975.2
 MAXIMUM                          0.004        0.001          5.0       1915.4
 DATE DU MAXIMUM             1996-05-15   1996-12-18   1995-12-13   1996-04-26
 ECART TYPE                       0.001        0.000          0.0        435.2





 NOM DE LA STATION - KYU-KITAKAMI RIVER AT KANOMATA NUMERO DE LA STATION 080018
 PAYS - JAPON                                       PROFONDEUR(M)       5.0
 LOCATION - OCT. 2  LAT. 38/29/10  LONG. 141/16/39  ELEVATION(M)   0.1
 CENTRE REGIONAL - WPRA                             TYPE D'EAU   RIVIERE    

 PERIODE DEMANDEE  - 1994-01-01 TO 1996-12-31
 PERIODE DE RELEVEMENT  - 1994-01-26 TO 1996-12-11

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                             COND SPEC.         TEMP      B TOTAL      PHENOLS
                                                                              
                                  02041        02061        05002        06532
                                  uS/cm           oC       mg/L B         mg/L


 NO. DE VALEURS - MENTION L           0            0           11            3
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36           22            0
 MOYENNE                           144.         12.8          0.0        5.000
 MINIMUM                            91.          1.9          0.0             
 DATE DU MINIMUM             1994-04-20   1996-01-25   1994-04-20             
 10 IEME CENTILE                   116.          2.5          0.0             
 MEDIANE                           148.         12.0          0.0             
 90 IEME CENTILE                   170.         22.4          0.1             
 MAXIMUM                           180.         26.5          0.1             
 DATE DU MAXIMUM             1994-08-24   1996-08-21   1995-02-22             
 ECART TYPE                         22.          7.9          0.0             




                               CHLORA A       NO3NO2   AZOTE ORG.          NH3
                                                             DISS             
                                  06711        07105        07403        07556
                                   mg/L       mg/L N       mg/L N       mg/L N


 NO. DE VALEURS - MENTION L           0            0            4            1
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36           32           32
 MOYENNE                         0.0114         0.55          0.3         0.07
 MINIMUM                         0.0016         0.15          0.1         0.02
 DATE DU MINIMUM             1995-12-20   1994-07-20   1995-02-22   1994-04-20
 10 IEME CENTILE                 0.0020         0.39          0.1         0.02
 MEDIANE                         0.0059         0.56          0.2         0.05
 90 IEME CENTILE                 0.0156         0.66          0.5         0.15
 MAXIMUM                         0.0661         1.00          0.9         0.23
 DATE DU MAXIMUM             1996-08-21   1995-03-15   1996-11-20   1995-01-25
 ECART TYPE                      0.0171         0.15          0.2         0.05




                               AMMONIAC POURC.SAT.OD      O2 DISS          DBO
                                   DISS                                       
                                  07564        08001        08101        08201
                                 mg/L N  POURCENTAGE      mg/L O2      mg/L O2


 NO. DE VALEURS - MENTION L           0            0            0            1
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          3           36           36           35
 MOYENNE                            0.0          98.         10.4           2.
 MINIMUM                                         38.          4.1           1.
 DATE DU MINIMUM                          1994-04-20   1994-04-20   1994-01-26
 10 IEME CENTILE                                 80.          7.0           1.
 MEDIANE                                        100.         10.6           2.
 90 IEME CENTILE                                109.         13.1           3.
 MAXIMUM                                        146.         14.0           5.
 DATE DU MAXIMUM                          1996-08-21   1996-01-25   1995-06-21
 ECART TYPE                                      16.          2.4           1.





                                    DCO       F DISS       F DISS      ALC TOT
                                                                              
                                  08301        09105        09116        10101
                                mg/L O2       mg/L F       mg/L F   mg/L CaCO3


 NO. DE VALEURS - MENTION L           0           16            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          3           17            3           36
 MOYENNE                             3.          0.1          0.1        30.18
 MINIMUM                                         0.1                     16.40
 DATE DU MINIMUM                          1994-01-26                1994-04-20
 10 IEME CENTILE                                 0.1                     20.88
 MEDIANE                                         0.1                     31.20
 90 IEME CENTILE                                 0.1                     37.30
 MAXIMUM                                         0.2                     43.60
 DATE DU MAXIMUM                          1994-06-22                1995-09-27
 ECART TYPE                                      0.0                      6.32




                                     pH     MAT.SUSP      Na DISS      Mg DISS
                                               105oC                          
                                  10301        10401        11105        12102
                           UNITES DE pH         mg/L      mg/L Na      mg/L Mg


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36           36           36
 MOYENNE                            7.2          16.          10.           3.
 MINIMUM                            6.3           2.           7.           2.
 DATE DU MINIMUM             1995-05-24   1995-12-20   1994-04-20   1994-04-20
 10 IEME CENTILE                    6.9           3.           8.           2.
 MEDIANE                            7.1          10.          10.           3.
 90 IEME CENTILE                    7.6          29.          12.           4.
 MAXIMUM                            7.9         100.          13.           4.
 DATE DU MAXIMUM             1996-08-21   1995-06-21   1996-11-20   1994-08-24
 ECART TYPE                         0.3          19.           1.           1.




                                Al DISS     Al TOTAL    SIL REACT      P TOTAL
                                                                              
                                  13901        13911        14101        15405
                                mg/L Al      mg/L Al    mg/L SiO2       mg/L P


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36           36           36
 MOYENNE                          0.082        0.626        18.55        0.081
 MINIMUM                          0.020        0.140         7.40        0.034
 DATE DU MINIMUM             1996-01-25   1994-01-26   1994-05-25   1994-12-14
 10 IEME CENTILE                  0.026        0.168        10.00        0.044
 MEDIANE                          0.060        0.455        20.06        0.067
 90 IEME CENTILE                  0.143        1.215        23.00        0.141
 MAXIMUM                          0.550        2.350        29.00        0.162
 DATE DU MAXIMUM             1994-02-24   1994-09-28   1994-11-16   1995-05-24
 ECART TYPE                       0.093        0.524         4.99        0.037




                           TOTAL P DISS      SULFATE      Cl DISS      Cl DISS
                                                                              
                                  15417        16309        17207        17209
                                 mg/L P     mg/L SO4      mg/L CL      mg/L CL


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36           33            3
 MOYENNE                          0.052          18.          11.          13.
 MINIMUM                          0.016          10.           1.             
 DATE DU MINIMUM             1995-04-19   1994-07-20   1995-08-23             
 10 IEME CENTILE                  0.019          13.           8.             
 MEDIANE                          0.032          18.          11.             
 90 IEME CENTILE                  0.050          23.          14.             
 MAXIMUM                          0.700          23.          15.             
 DATE DU MAXIMUM             1994-05-25   1995-02-22   1995-02-22             
 ECART TYPE                       0.112           3.           3.             




                                   PCBS       K DISS      Ca DISS      Cr DISS
                                                                              
                                  18165        19102        20103        24901
                                   ug/L       mg/L K      mg/L Ca      mg/L Cr


 NO. DE VALEURS - MENTION L          36            0            0           36
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0           36           36            0
 MOYENNE                          0.500          1.9       11.211        0.001
 MINIMUM                          0.500          0.5        6.300        0.001
 DATE DU MINIMUM             1994-01-26   1994-04-20   1996-12-11   1994-04-20
 10 IEME CENTILE                  0.500          1.1        7.140        0.001
 MEDIANE                          0.500          1.8       11.500        0.001
 90 IEME CENTILE                  0.500          2.6       15.000        0.001
 MAXIMUM                          0.500          4.4       16.000        0.002
 DATE DU MAXIMUM             1996-12-11   1994-08-24   1994-03-16   1994-03-16
 ECART TYPE                       0.000          0.7        2.834        0.000




                               Cr TOTAL     Mn TOTAL      Mn DISS     Fe TOTAL
                                                                              
                                  24911        25004        25104        26004
                                mg/L Cr      mg/L Mn      mg/L Mn      mg/L Fe


 NO. DE VALEURS - MENTION L          36            0            1            1
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0           36           35           35
 MOYENNE                          0.001         0.08         0.04         0.91
 MINIMUM                          0.001         0.02         0.01         0.27
 DATE DU MINIMUM             1994-04-20   1995-09-27   1994-07-20   1995-12-20
 10 IEME CENTILE                  0.001         0.04         0.02         0.35
 MEDIANE                          0.001         0.06         0.04         0.78
 90 IEME CENTILE                  0.001         0.11         0.06         1.39
 MAXIMUM                          0.002         0.34         0.12         2.90
 DATE DU MAXIMUM             1994-03-16   1994-08-24   1994-09-28   1994-08-24
 ECART TYPE                       0.000         0.06         0.02         0.57




                                Fe DISS      Ni DISS     Ni TOTAL      Cu DISS
                                                                              
                                  26104        28901        28911        29901
                                mg/L Fe      mg/L Ni      mg/L Ni      mg/L Cu


 NO. DE VALEURS - MENTION L           0           31           36           36
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36            5            0            0
 MOYENNE                           0.23        0.010        0.010        0.010
 MINIMUM                           0.07        0.010        0.010        0.010
 DATE DU MINIMUM             1994-04-20   1994-01-26   1994-01-26   1994-01-26
 10 IEME CENTILE                   0.09        0.010        0.010        0.010
 MEDIANE                           0.18        0.010        0.010        0.010
 90 IEME CENTILE                   0.38        0.010        0.010        0.010
 MAXIMUM                           0.74        0.010        0.010        0.010
 DATE DU MAXIMUM             1994-02-24   1996-12-11   1996-12-11   1996-12-11
 ECART TYPE                        0.16        0.000        0.000        0.000




                               Cu TOTAL     Zn TOTAL      Zn DISS     As TOTAL
                                                                              
                                  29911        30004        30104        33007
                                mg/L Cu      mg/L Zn      mg/L Zn      mg/L As


 NO. DE VALEURS - MENTION L          33            1           12           20
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          3           35           24           16
 MOYENNE                          0.010        0.015        0.007        0.002
 MINIMUM                          0.010        0.005        0.003        0.001
 DATE DU MINIMUM             1994-01-26   1994-07-20   1996-05-23   1994-04-20
 10 IEME CENTILE                  0.010        0.005        0.004        0.001
 MEDIANE                          0.010        0.012        0.005        0.001
 90 IEME CENTILE                  0.010        0.024        0.011        0.003
 MAXIMUM                          0.020        0.057        0.017        0.005
 DATE DU MAXIMUM             1995-03-15   1995-11-15   1994-03-16   1994-03-16
 ECART TYPE                       0.002        0.011        0.003        0.001




                                As DISS     Se TOTAL      Se DISS   COLIFORMES
                                                                         TOTAU
                                  33104        34007        34102        36001
                                mg/L As      mg/L Se      mg/L Se    No./100ml


 NO. DE VALEURS - MENTION L          35           36           36            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          1            0            0           36
 MOYENNE                          0.001        0.001        0.001       11948.
 MINIMUM                          0.001        0.001        0.001         230.
 DATE DU MINIMUM             1994-04-20   1994-04-20   1994-04-20   1994-05-25
 10 IEME CENTILE                  0.001        0.001        0.001         306.
 MEDIANE                          0.001        0.001        0.001        1750.
 90 IEME CENTILE                  0.001        0.001        0.001       33000.
 MAXIMUM                          0.005        0.002        0.002       92000.
 DATE DU MAXIMUM             1994-03-16   1994-03-16   1994-03-16   1996-07-24
 ECART TYPE                       0.001        0.000        0.000       23606.




                              COL. FEC.      Cd DISS     Cd TOTAL     Hg TOTAL
                                                                              
                                  36012        48901        48911        80011
                              No./100ml      mg/L Cd      mg/L Cd      ug/L Hg


 NO. DE VALEURS - MENTION L           0           36           36           36
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36            0            0            0
 MOYENNE                           157.        0.001        0.001        0.104
 MINIMUM                             4.        0.001        0.001        0.050
 DATE DU MINIMUM             1996-01-25   1994-01-26   1994-01-26   1995-04-19
 10 IEME CENTILE                    10.        0.001        0.001        0.050
 MEDIANE                            60.        0.001        0.001        0.050
 90 IEME CENTILE                   224.        0.001        0.001        0.100
 MAXIMUM                          1800.        0.001        0.001        0.500
 DATE DU MAXIMUM             1994-09-28   1996-12-11   1996-12-11   1994-03-16
 ECART TYPE                        329.        0.000        0.000        0.123




                                Hg DISS      Pb DISS     Pb TOTAL      PHENOLS
                                                                              
                                  80111        82901        82911        95011
                                ug/L Hg      mg/L Pb      mg/L Pb         ug/L


 NO. DE VALEURS - MENTION L          36           36           36           33
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0            0
 MOYENNE                          0.104        0.005        0.005          5.0
 MINIMUM                          0.050        0.005        0.005          5.0
 DATE DU MINIMUM             1995-04-19   1994-01-26   1994-01-26   1994-01-26
 10 IEME CENTILE                  0.050        0.005        0.005          5.0
 MEDIANE                          0.050        0.005        0.005          5.0
 90 IEME CENTILE                  0.100        0.005        0.005          5.0
 MAXIMUM                          0.500        0.005        0.005          5.0
 DATE DU MAXIMUM             1994-03-16   1996-12-11   1996-12-11   1996-09-18
 ECART TYPE                       0.123        0.000        0.000          0.0




                                BENZENE
                                       
                                  95100
                                   ug/L


 NO. DE VALEURS - MENTION L           0
 NO. DE VALEURS - MENTION G           0
 NO. DE VALEURS SANS MENTION          3
 MOYENNE                            0.2
 MINIMUM                               
 DATE DU MINIMUM                       
 10 IEME CENTILE                       
 MEDIANE                               
 90 IEME CENTILE                       
 MAXIMUM                               
 DATE DU MAXIMUM                       
 ECART TYPE                            





 NOM DE LA STATION - LAKE BIWA - NORTH CENTER       NUMERO DE LA STATION 080019
 PAYS - JAPON                                       PROFONDEUR(M)      41.0
 LOCATION - OCT. 2  LAT. 35/23/30  LONG. 136/08/07  ELEVATION(M)  85.6
 CENTRE REGIONAL - WPRA                             TYPE D'EAU   LAC/RESERVO

 PERIODE DEMANDEE  - 1994-01-01 TO 1996-12-31
 PERIODE DE RELEVEMENT  - 1994-01-10 TO 1996-12-03

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                                   TEMP        TRANS     CHLORA A       NO3NO2
                                                                              
                                  02062        02076        06711        07105
                                     oC        METRE         mg/L       mg/L N


 NO. DE VALEURS - MENTION L           0            0            0            3
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36           35           33
 MOYENNE                           16.8          6.5       0.0035         0.13
 MINIMUM                            7.1          1.9       0.0010         0.01
 DATE DU MINIMUM             1996-02-05   1994-10-03   1994-09-05   1994-07-04
 10 IEME CENTILE                    7.8          4.3       0.0015         0.02
 MEDIANE                           17.1          6.2       0.0033         0.13
 90 IEME CENTILE                   28.0          8.6       0.0055         0.22
 MAXIMUM                           29.8         11.0       0.0083         0.23
 DATE DU MAXIMUM             1994-09-05   1994-09-05   1995-11-06   1996-02-05
 ECART TYPE                         7.6          2.0       0.0017         0.07




                                    NH3 POURC.SAT.OD      O2 DISS          DBO
                                                                              
                                  07556        08001        08102        08201
                                 mg/L N  POURCENTAGE      mg/L O2      mg/L O2


 NO. DE VALEURS - MENTION L          15            0            0           16
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         21           36           36           20
 MOYENNE                           0.01         105.         10.0           1.
 MINIMUM                           0.01          78.          7.6           0.
 DATE DU MINIMUM             1994-01-10   1996-01-08   1994-09-05   1995-06-05
 10 IEME CENTILE                   0.01          88.          8.5           1.
 MEDIANE                           0.01         103.          9.9           1.
 90 IEME CENTILE                   0.02         121.         11.7           1.
 MAXIMUM                           0.02         132.         12.0           1.
 DATE DU MAXIMUM             1994-06-06   1994-07-04   1996-05-07   1995-05-08
 ECART TYPE                        0.00          13.          1.1           0.




                                     pH     MAT.SUSP    SIL REACT      P TOTAL
                                               105oC                          
                                  10301        10401        14101        15405
                           UNITES DE pH         mg/L    mg/L SiO2       mg/L P


 NO. DE VALEURS - MENTION L           0            3            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           31           36           35
 MOYENNE                            8.1           1.         1.12        0.007
 MINIMUM                            7.2           0.         0.20        0.004
 DATE DU MINIMUM             1994-01-10   1995-01-09   1995-07-03   1994-01-10
 10 IEME CENTILE                    7.5           1.         0.36        0.004
 MEDIANE                            8.0           1.         1.30        0.007
 90 IEME CENTILE                    9.1           1.         1.70        0.009
 MAXIMUM                            9.2           4.         1.80        0.015
 DATE DU MAXIMUM             1995-08-07   1994-10-03   1996-04-08   1994-05-09
 ECART TYPE                         0.6           1.         0.44        0.002



                                Cl DISS     Cr TOTAL     As TOTAL   COLIFORMES
                                                                         TOTAU
                                  17203        24002        33007        36001
                                mg/L CL      mg/L Cr      mg/L As    No./100ml


 NO. DE VALEURS - MENTION L           0           28           28            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36            0            0           32
 MOYENNE                             9.        0.008        0.005          88.
 MINIMUM                             9.        0.005        0.005           0.
 DATE DU MINIMUM             1994-01-10   1995-07-03   1994-01-10   1995-03-06
 10 IEME CENTILE                     9.        0.005        0.005           0.
 MEDIANE                             9.        0.010        0.005           5.
 90 IEME CENTILE                    10.        0.010        0.005          33.
 MAXIMUM                            10.        0.010        0.005        2400.
 DATE DU MAXIMUM             1994-12-12   1995-06-05   1996-11-05   1994-10-03
 ECART TYPE                          1.        0.002        0.000         423.




                              COL. FEC.     Cd TOTAL     Hg TOTAL     Pb TOTAL
                                                                              
                                  36012        48002        80011        82002
                              No./100ml      mg/L Cd      ug/L Hg      mg/L Pb


 NO. DE VALEURS - MENTION L           0           28           30           28
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         25            0            0            0
 MOYENNE                             1.        0.001        0.500        0.018
 MINIMUM                             0.        0.001        0.500        0.005
 DATE DU MINIMUM             1995-01-09   1994-01-10   1994-01-10   1996-05-07
 10 IEME CENTILE                     0.        0.001        0.500        0.005
 MEDIANE                             0.        0.001        0.500        0.020
 90 IEME CENTILE                     0.        0.001        0.500        0.020
 MAXIMUM                            12.        0.001        0.500        0.020
 DATE DU MAXIMUM             1994-10-03   1996-11-05   1996-11-05   1996-02-05
 ECART TYPE                          2.        0.000        0.000        0.005





 NOM DE LA STATION - LAKE BIWA - SOUTH CENTER       NUMERO DE LA STATION 080020
 PAYS - JAPON                                       PROFONDEUR(M)       8.0
 LOCATION - OCT. 2  LAT. 35/02/28  LONG. 135/53/46  ELEVATION(M)  85.6
 CENTRE REGIONAL - WPRA                             TYPE D'EAU   LAC/RESERVO

 PERIODE DEMANDEE  - 1994-01-01 TO 1996-12-31
 PERIODE DE RELEVEMENT  - 1994-01-11 TO 1996-12-04

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                                   TEMP        TRANS     CHLORA A       NO3NO2
                                                                              
                                  02062        02076        06711        07105
                                     oC        METRE         mg/L       mg/L N


 NO. DE VALEURS - MENTION L           0            0            0            3
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36           36           33
 MOYENNE                           16.8          1.2       0.0106         0.13
 MINIMUM                            3.3          0.6       0.0033         0.00
 DATE DU MINIMUM             1996-02-07   1996-01-16   1996-03-05   1995-09-05
 10 IEME CENTILE                    6.1          0.6       0.0044         0.01
 MEDIANE                           17.3          1.0       0.0083         0.12
 90 IEME CENTILE                   27.9          2.1       0.0158         0.25
 MAXIMUM                           30.2          2.9       0.0600         0.31
 DATE DU MAXIMUM             1995-08-08   1996-07-02   1995-05-09   1996-04-09
 ECART TYPE                         8.4          0.6       0.0095         0.09




                                    NH3 POURC.SAT.OD      O2 DISS          DBO
                                                                              
                                  07556        08001        08102        08201
                                 mg/L N  POURCENTAGE      mg/L O2      mg/L O2


 NO. DE VALEURS - MENTION L           8            0            0            1
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         28           36           36           35
 MOYENNE                           0.02         105.         10.1           1.
 MINIMUM                           0.01          89.          7.8           1.
 DATE DU MINIMUM             1994-01-11   1994-03-01   1994-07-05   1994-02-08
 10 IEME CENTILE                   0.01          92.          8.3           1.
 MEDIANE                           0.02         104.         10.4           1.
 90 IEME CENTILE                   0.03         119.         11.3           2.
 MAXIMUM                           0.08         147.         13.5           6.
 DATE DU MAXIMUM             1995-03-07   1995-05-09   1995-05-09   1995-05-09
 ECART TYPE                        0.01          12.          1.3           1.




                                     pH     MAT.SUSP    SIL REACT      P TOTAL
                                               105oC                          
                                  10301        10401        14101        15405
                           UNITES DE pH         mg/L    mg/L SiO2       mg/L P


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36           36           35
 MOYENNE                            8.1          10.         1.59        0.021
 MINIMUM                            7.3           2.         0.10        0.007
 DATE DU MINIMUM             1994-02-08   1994-07-05   1994-04-12   1996-09-03
 10 IEME CENTILE                    7.5           2.         0.40        0.012
 MEDIANE                            8.0          10.         1.65        0.020
 90 IEME CENTILE                    8.9          18.         2.40        0.030
 MAXIMUM                            9.3          21.         2.80        0.038
 DATE DU MAXIMUM             1995-05-09   1995-11-07   1996-04-09   1995-05-09
 ECART TYPE                         0.5           5.         0.70        0.007




                                Cl DISS     Cr TOTAL     As TOTAL   COLIFORMES
                                                                         TOTAU
                                  17203        24002        33007        36001
                                mg/L CL      mg/L Cr      mg/L As    No./100ml


 NO. DE VALEURS - MENTION L           0           28           28            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36            0            0           36
 MOYENNE                            10.        0.008        0.005          21.
 MINIMUM                             9.        0.005        0.005           0.
 DATE DU MINIMUM             1995-06-06   1995-07-04   1994-01-11   1995-03-07
 10 IEME CENTILE                    10.        0.005        0.005           2.
 MEDIANE                            10.        0.010        0.005          10.
 90 IEME CENTILE                    11.        0.010        0.005          63.
 MAXIMUM                            11.        0.010        0.005         110.
 DATE DU MAXIMUM             1995-01-10   1995-06-06   1996-11-06   1995-06-06
 ECART TYPE                          1.        0.002        0.000          27.




                              COL. FEC.     Cd TOTAL     Hg TOTAL     Pb TOTAL
                                                                              
                                  36012        48002        80011        82002
                              No./100ml      mg/L Cd      ug/L Hg      mg/L Pb


 NO. DE VALEURS - MENTION L           0           28           30           28
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36            0            0            0
 MOYENNE                             1.        0.001        0.500        0.018
 MINIMUM                             0.        0.001        0.500        0.005
 DATE DU MINIMUM             1994-01-11   1994-01-11   1994-01-11   1996-05-08
 10 IEME CENTILE                     0.        0.001        0.500        0.005
 MEDIANE                             0.        0.001        0.500        0.020
 90 IEME CENTILE                     3.        0.001        0.500        0.020
 MAXIMUM                            20.        0.001        0.500        0.020
 DATE DU MAXIMUM             1996-12-04   1996-11-06   1996-11-06   1996-02-07
 ECART TYPE                          3.        0.000        0.000        0.005





 NOM DE LA STATION - YOSHINO RIVER AT TAKASE        NUMERO DE LA STATION 080021
 PAYS - JAPON                                       PROFONDEUR(M)       5.9
 LOCATION - OCT. 2  LAT. 34/05/53  LONG. 134/25/34  ELEVATION(M)   4.6
 CENTRE REGIONAL - WPRA                             TYPE D'EAU   RIVIERE    

 PERIODE DEMANDEE  - 1994-01-01 TO 1996-12-31
 PERIODE DE RELEVEMENT  - 1994-01-11 TO 1996-12-03

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                             COND SPEC.         TEMP        TRANS       NO3NO2
                                                                              
                                  02041        02061        02076        07316
                                  uS/cm           oC        METRE       mg/L N


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         35           36           36           35
 MOYENNE                           112.         15.7          2.2         3.41
 MINIMUM                            74.          4.8          1.0         1.96
 DATE DU MINIMUM             1995-06-06   1994-02-14   1994-05-16   1995-04-25
 10 IEME CENTILE                    92.          7.3          1.2         2.53
 MEDIANE                           112.         17.0          2.0         3.38
 90 IEME CENTILE                   126.         23.6          3.4         4.32
 MAXIMUM                           147.         27.5          4.1         5.09
 DATE DU MAXIMUM             1996-11-11   1994-08-08   1994-11-14   1994-10-11
 ECART TYPE                         15.          6.7          0.9         0.72




                               AMMONIAC      O2 DISS          DBO      ALC TOT
                                   DISS                                       
                                  07564        08101        08201        10102
                                 mg/L N      mg/L O2      mg/L O2   mg/L CaCO3


 NO. DE VALEURS - MENTION L          22            0           24            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         13           34           12           36
 MOYENNE                            0.1          9.4           1.        32.31
 MINIMUM                            0.0          7.0           1.        22.30
 DATE DU MINIMUM             1996-01-16   1995-09-05   1994-01-11   1995-06-06
 10 IEME CENTILE                    0.1          7.6           1.        28.20
 MEDIANE                            0.1          9.1           1.        32.60
 90 IEME CENTILE                    0.1         11.3           2.        35.25
 MAXIMUM                            0.2         12.0           3.        41.00
 DATE DU MAXIMUM             1994-02-14   1994-02-14   1995-04-25   1996-11-11
 ECART TYPE                         0.0          1.4           1.         3.38




                                     pH     MAT.SUSP      Na DISS      Na DISS
                                               105oC                          
                                  10302        10401        11102        11112
                           UNITES DE pH         mg/L      mg/L Na      mg/L Na


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36            3           32
 MOYENNE                            7.4           3.           5.           4.
 MINIMUM                            7.2           1.                        3.
 DATE DU MINIMUM             1996-08-19   1994-01-11                1994-04-20
 10 IEME CENTILE                    7.3           2.                        4.
 MEDIANE                            7.4           3.                        4.
 90 IEME CENTILE                    7.5           6.                        6.
 MAXIMUM                            7.7           8.                        6.
 DATE DU MAXIMUM             1994-07-05   1995-10-03                1995-03-07
 ECART TYPE                         0.1           2.                        1.





                                Mg DISS      Mg DISS     Al TOTAL      Al DISS
                                                                              
                                  12102        12109        13009        13109
                                mg/L Mg      mg/L Mg      mg/L Al      mg/L Al


 NO. DE VALEURS - MENTION L           0            0            1            1
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         27            9            8            8
 MOYENNE                             2.           2.        0.160        0.061
 MINIMUM                             1.           2.        0.005        0.005
 DATE DU MINIMUM             1994-10-11   1996-04-16   1996-05-13   1996-05-13
 10 IEME CENTILE                     1.                                       
 MEDIANE                             2.           2.        0.056        0.019
 90 IEME CENTILE                     3.                                       
 MAXIMUM                             4.           3.        0.875        0.350
 DATE DU MAXIMUM             1994-09-06   1996-11-11   1996-09-03   1996-09-03
 ECART TYPE                          1.           0.        0.275        0.112




                              SIL REACT      P TOTAL TOTAL P DISS      SULFATE
                                                                              
                                  14101        15405        15417        16309
                              mg/L SiO2       mg/L P       mg/L P     mg/L SO4


 NO. DE VALEURS - MENTION L           0            0            3            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36           33           35
 MOYENNE                           7.54        0.016        0.008          12.
 MINIMUM                           3.35        0.006        0.001           8.
 DATE DU MINIMUM             1995-11-13   1994-02-14   1994-02-14   1994-04-20
 10 IEME CENTILE                   5.55        0.009        0.001          10.
 MEDIANE                           7.32        0.014        0.006          12.
 90 IEME CENTILE                   9.04        0.027        0.015          14.
 MAXIMUM                          15.80        0.038        0.031          14.
 DATE DU MAXIMUM             1996-12-03   1995-06-06   1995-06-06   1995-03-07
 ECART TYPE                        1.92        0.007        0.006           2.




                                Cl DISS       K DISS      Ca DISS      Ca DISS
                                                                              
                                  17204        19112        20103        20109
                                mg/L CL       mg/L K      mg/L Ca      mg/L Ca


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         33           35           27            9
 MOYENNE                             5.          1.0       11.233       13.989
 MINIMUM                             3.          0.3        4.200       12.000
 DATE DU MINIMUM             1994-04-20   1996-01-16   1994-07-05   1996-05-13
 10 IEME CENTILE                     4.          0.8        5.450             
 MEDIANE                             5.          1.0       12.900       13.600
 90 IEME CENTILE                     6.          1.2       15.260             
 MAXIMUM                             9.          2.2       16.700       17.400
 DATE DU MAXIMUM             1994-08-08   1995-01-24   1996-01-16   1996-11-11
 ECART TYPE                          1.          0.4        3.986        1.537




                               Cr TOTAL      Cr DISS     Mn TOTAL      Mn DISS
                                                                              
                                  24009        24111        25010        25109
                                mg/L Cr      mg/L Cr      mg/L Mn      mg/L Mn


 NO. DE VALEURS - MENTION L           9            9            9            9
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            0            0
 MOYENNE                          0.005        0.005         0.01         0.01
 MINIMUM                          0.005        0.005         0.01         0.01
 DATE DU MINIMUM             1996-04-16   1996-04-16   1996-04-16   1996-04-16
 10 IEME CENTILE                                                              
 MEDIANE                          0.005        0.005         0.01         0.01
 90 IEME CENTILE                                                              
 MAXIMUM                          0.005        0.005         0.01         0.01
 DATE DU MAXIMUM             1996-12-03   1996-12-03   1996-12-03   1996-12-03
 ECART TYPE                       0.000        0.000         0.00         0.00




                               Fe TOTAL      Fe DISS     Ni TOTAL      Ni DISS
                                                                              
                                  26009        26109        28009        28109
                                mg/L Fe      mg/L Fe      mg/L Ni      mg/L Ni


 NO. DE VALEURS - MENTION L           0            7            9            9
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          9            2            0            0
 MOYENNE                           0.05         0.01        0.005        0.005
 MINIMUM                           0.01         0.01        0.005        0.005
 DATE DU MINIMUM             1996-09-03   1996-04-16   1996-04-16   1996-04-16
 10 IEME CENTILE                                                              
 MEDIANE                           0.04         0.01        0.005        0.005
 90 IEME CENTILE                                                              
 MAXIMUM                           0.12         0.01        0.005        0.005
 DATE DU MAXIMUM             1996-04-16   1996-12-03   1996-12-03   1996-12-03
 ECART TYPE                        0.04         0.00        0.000        0.000




                               Cu TOTAL      Cu DISS     Zn TOTAL      Zn DISS
                                                                              
                                  29009        29109        30009        30109
                                mg/L Cu      mg/L Cu      mg/L Zn      mg/L Zn


 NO. DE VALEURS - MENTION L           9            9            8            9
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          0            0            1            0
 MOYENNE                          0.005        0.005        0.005        0.005
 MINIMUM                          0.005        0.005        0.005        0.005
 DATE DU MINIMUM             1996-04-16   1996-04-16   1996-04-16   1996-04-16
 10 IEME CENTILE                                                              
 MEDIANE                          0.005        0.005        0.005        0.005
 90 IEME CENTILE                                                              
 MAXIMUM                          0.005        0.005        0.008        0.005
 DATE DU MAXIMUM             1996-12-03   1996-12-03   1996-05-13   1996-12-03
 ECART TYPE                       0.000        0.000        0.001        0.000




                             COLIFORMES    COL. FEC.     Cd TOTAL      Cd DISS
                                  TOTAU                                       
                                  36001        36012        48011        48109
                              No./100ml    No./100ml      mg/L Cd      mg/L Cd


 NO. DE VALEURS - MENTION L           0            0            9            9
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           35            0            0
 MOYENNE                        6.0E+03          54.        0.005        0.005
 MINIMUM                        8.0E+01           3.        0.005        0.005
 DATE DU MINIMUM             1995-11-13   1994-07-05   1996-04-16   1996-04-16
 10 IEME CENTILE                1.3E+02           6.                          
 MEDIANE                        1.1E+03          30.        0.005        0.005
 90 IEME CENTILE                8.2E+03         125.                          
 MAXIMUM                        1.3E+05         270.        0.005        0.005
 DATE DU MAXIMUM             1996-10-01   1996-01-16   1996-12-03   1996-12-03
 ECART TYPE                     2.2E+04          66.        0.000        0.000




                               Pb TOTAL      Pb DISS   DEBIT INST.
                                                                 
                                  82009        82109        97160
                                mg/L Pb      mg/L Pb         M3/S


 NO. DE VALEURS - MENTION L           9            9            0
 NO. DE VALEURS - MENTION G           0            0            0
 NO. DE VALEURS SANS MENTION          0            0           15
 MOYENNE                          0.005        0.005         81.9
 MINIMUM                          0.005        0.005         22.0
 DATE DU MINIMUM             1996-04-16   1996-04-16   1996-11-11
 10 IEME CENTILE                                             25.2
 MEDIANE                          0.005        0.005         66.0
 90 IEME CENTILE                                            132.0
 MAXIMUM                          0.005        0.005        265.0
 DATE DU MAXIMUM             1996-12-03   1996-12-03   1996-08-19
 ECART TYPE                       0.000        0.000         61.7





 NOM DE LA STATION - CHIKUGO RIVER AT SENOSHITA     NUMERO DE LA STATION 080023
 PAYS - JAPON                                       PROFONDEUR(M)       5.5
 LOCATION - OCT. 2  LAT. 33/18/56  LONG. 130/29/45  ELEVATION(M)   2.0
 CENTRE REGIONAL - WPRA                             TYPE D'EAU   RIVIERE    

 PERIODE DEMANDEE  - 1994-01-01 TO 1996-12-31
 PERIODE DE RELEVEMENT  - 1994-01-26 TO 1996-12-05

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                             COND SPEC.         TEMP        TRANS     CHLORA A
                                                                              
                                  02041        02061        02076        06711
                                  uS/cm           oC        METRE         mg/L


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0           35            0
 NO. DE VALEURS SANS MENTION         36           36            1           27
 MOYENNE                           175.         18.5          0.3       0.0301
 MINIMUM                           118.          7.0          0.1       0.0013
 DATE DU MINIMUM             1996-07-11   1994-01-26   1996-12-05   1994-01-26
 10 IEME CENTILE                   126.          8.8          0.3       0.0058
 MEDIANE                           176.         18.1          0.3       0.0142
 90 IEME CENTILE                   210.         27.7          0.3       0.0773
 MAXIMUM                           305.         34.1          0.3       0.1193
 DATE DU MAXIMUM             1994-01-26   1994-07-19   1996-11-07   1995-04-12
 ECART TYPE                         40.          7.2          0.0       0.0319




                                 NO3NO2       NO3NO2          NH3     AMMONIAC
                                                                          DISS
                                  07105        07316        07556        07564
                                 mg/L N       mg/L N       mg/L N       mg/L N


 NO. DE VALEURS - MENTION L           0            0            2            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         23           13           16           18
 MOYENNE                           0.76         0.89         0.18          0.3
 MINIMUM                           0.21         0.66         0.03          0.0
 DATE DU MINIMUM             1995-06-21   1996-03-14   1995-05-11   1995-07-21
 10 IEME CENTILE                   0.37         0.68         0.05          0.0
 MEDIANE                           0.81         0.91         0.17          0.2
 90 IEME CENTILE                   1.04         1.02         0.32          0.4
 MAXIMUM                           1.21         1.11         0.38          1.4
 DATE DU MAXIMUM             1994-12-13   1996-12-05   1994-11-15   1996-10-24
 ECART TYPE                        0.27         0.13         0.10          0.3




                                O2 DISS          DBO           pH     MAT.SUSP
                                                                         105oC
                                  08102        08201        10301        10401
                                mg/L O2      mg/L O2 UNITES DE pH         mg/L


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           34           36           35
 MOYENNE                            9.8           2.          7.7          11.
 MINIMUM                            7.1           0.          6.7           1.
 DATE DU MINIMUM             1994-04-21   1995-12-01   1994-04-21   1994-01-26
 10 IEME CENTILE                    7.5           0.          7.1           3.
 MEDIANE                            9.4           1.          7.5           6.
 90 IEME CENTILE                   12.6           4.          8.6          19.
 MAXIMUM                           14.2           5.          8.9          60.
 DATE DU MAXIMUM             1995-03-24   1995-07-21   1995-03-24   1994-04-21
 ECART TYPE                         1.9           1.          0.6          14.




                                Na DISS      Na DISS      Mg DISS      P TOTAL
                                                                              
                                  11105        11112        12102        15405
                                mg/L Na      mg/L Na      mg/L Mg       mg/L P


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         18           18           36           36
 MOYENNE                            11.           8.           3.        0.093
 MINIMUM                             3.           5.           0.        0.047
 DATE DU MINIMUM             1994-02-23   1995-08-08   1995-09-05   1995-02-09
 10 IEME CENTILE                     5.           5.           1.        0.059
 MEDIANE                            12.           8.           3.        0.085
 90 IEME CENTILE                    13.          11.           4.        0.143
 MAXIMUM                            17.          15.           5.        0.198
 DATE DU MAXIMUM             1994-11-15   1996-02-28   1996-10-24   1996-12-05
 ECART TYPE                          3.           3.           1.        0.036




                                SULFATE      SULFATE      Cl DISS      Cl DISS
                                                                              
                                  16302        16309        17203        17209
                               mg/L SO4     mg/L SO4      mg/L CL      mg/L CL


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         18           18           18           18
 MOYENNE                            15.          13.          13.           9.
 MINIMUM                             8.           8.           6.           5.
 DATE DU MINIMUM             1994-02-23   1995-07-21   1994-04-21   1995-08-08
 10 IEME CENTILE                     8.           9.           8.           5.
 MEDIANE                            17.          14.          13.          10.
 90 IEME CENTILE                    19.          15.          16.          12.
 MAXIMUM                            20.          15.          19.          12.
 DATE DU MAXIMUM             1994-07-19   1996-03-14   1994-11-15   1996-03-14
 ECART TYPE                          4.           2.           3.           2.




                                 K DISS      Ca DISS   COLIFORMES    COL. FEC.
                                                            TOTAU             
                                  19105        20103        36001        36012
                                 mg/L K      mg/L Ca    No./100ml    No./100ml


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         36           36           36           34
 MOYENNE                            2.8       13.835       12793.         217.
 MINIMUM                            0.5        2.664          33.           0.
 DATE DU MINIMUM             1995-07-21   1995-12-01   1996-05-28   1996-01-16
 10 IEME CENTILE                    0.9        7.920         306.           0.
 MEDIANE                            2.8       13.198        3400.          21.
 90 IEME CENTILE                    4.0       18.380       33000.         218.
 MAXIMUM                            5.2       29.266       92000.        2700.
 DATE DU MAXIMUM             1994-07-19   1995-11-02   1994-12-13   1994-04-21
 ECART TYPE                         1.1        4.621       21519.         630.





                             DEBIT INST.
                                       
                                  97160
                                   M3/S


 NO. DE VALEURS - MENTION L           0
 NO. DE VALEURS - MENTION G           0
 NO. DE VALEURS SANS MENTION         36
 MOYENNE                           65.6
 MINIMUM                           22.4
 DATE DU MINIMUM             1994-07-19
 10 IEME CENTILE                   28.5
 MEDIANE                           42.2
 90 IEME CENTILE                  109.5
 MAXIMUM                          394.1
 DATE DU MAXIMUM             1994-04-21
 ECART TYPE                        67.1





 NOM DE LA STATION - KUMA RIVER AT YOKOISHI         NUMERO DE LA STATION 080024
 PAYS - JAPON                                       PROFONDEUR(M)       0.4
 LOCATION - OCT. 2  LAT. 32/27/28  LONG. 130/39/24  ELEVATION(M)   9.1
 CENTRE REGIONAL - WPRA                             TYPE D'EAU   RIVIERE    

 PERIODE DEMANDEE  - 1994-01-01 TO 1996-12-31
 PERIODE DE RELEVEMENT  - 1994-01-26 TO 1995-12-06

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                             COND SPEC.         TEMP     CHLORA A       NO3NO2
                                                                              
                                  02041        02061        06711        07105
                                  uS/cm           oC         mg/L       mg/L N


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         24           24           15           24
 MOYENNE                            99.         18.3       0.0051         0.73
 MINIMUM                            73.          8.5       0.0001         0.38
 DATE DU MINIMUM             1994-04-14   1994-01-26   1994-01-26   1994-03-15
 10 IEME CENTILE                    74.          9.2       0.0005         0.47
 MEDIANE                           104.         17.6       0.0031         0.55
 90 IEME CENTILE                   116.         28.0       0.0101         0.66
 MAXIMUM                           131.         29.4       0.0171         2.90
 DATE DU MAXIMUM             1994-12-06   1994-07-19   1994-07-19   1995-01-10
 ECART TYPE                         18.          6.6       0.0046         0.59




                             AZOTE ORG.          NH3      O2 DISS          DBO
                                   DISS                                       
                                  07403        07556        08101        08201
                                 mg/L N       mg/L N      mg/L O2      mg/L O2


 NO. DE VALEURS - MENTION L          17           13            0           15
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          7           11           24            9
 MOYENNE                            0.1         0.03          9.6           1.
 MINIMUM                            0.1         0.01          7.8           1.
 DATE DU MINIMUM             1994-01-26   1994-06-01   1994-08-02   1994-01-26
 10 IEME CENTILE                    0.1         0.01          7.9           1.
 MEDIANE                            0.1         0.01          9.4           1.
 90 IEME CENTILE                    0.1         0.07         11.4           1.
 MAXIMUM                            0.2         0.09         11.7           2.
 DATE DU MAXIMUM             1995-11-06   1994-01-26   1994-02-24   1994-09-06
 ECART TYPE                         0.0         0.03          1.3           0.




                                ALC TOT           pH     MAT.SUSP      Na DISS
                                                            105oC             
                                  10102        10301        10401        11112
                             mg/L CaCO3 UNITES DE pH         mg/L      mg/L Na


 NO. DE VALEURS - MENTION L           0            0            2            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         24           24           22           24
 MOYENNE                          34.65          7.9           5.           5.
 MINIMUM                          18.50          7.1           1.           3.
 DATE DU MINIMUM             1994-04-14   1994-10-24   1994-02-24   1994-04-14
 10 IEME CENTILE                  25.88          7.3           1.           3.
 MEDIANE                          36.45          7.9           2.           5.
 90 IEME CENTILE                  40.10          8.4           6.           6.
 MAXIMUM                          46.20          8.9          46.           8.
 DATE DU MAXIMUM             1994-12-06   1995-08-10   1995-09-05   1994-12-06
 ECART TYPE                        6.11          0.4           9.           1.




                                Mg DISS      Al DISS    SIL REACT      P TOTAL
                                                                              
                                  12109        13103        14101        15405
                                mg/L Mg      mg/L Al    mg/L SiO2       mg/L P


 NO. DE VALEURS - MENTION L           0           23            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         24            1           24           24
 MOYENNE                             1.        0.032        14.59        0.030
 MINIMUM                             1.        0.030        10.70        0.019
 DATE DU MINIMUM             1994-01-26   1994-01-26   1995-05-09   1994-11-16
 10 IEME CENTILE                     1.        0.030        11.88        0.020
 MEDIANE                             1.        0.030        14.65        0.028
 90 IEME CENTILE                     2.        0.030        17.25        0.035
 MAXIMUM                             3.        0.070        18.50        0.077
 DATE DU MAXIMUM             1994-10-24   1995-09-05   1995-12-06   1995-09-05
 ECART TYPE                          1.        0.008         2.09        0.012




                           TOTAL P DISS      SULFATE      Cl DISS       K DISS
                                                                              
                                  15417        16309        17209        19112
                                 mg/L P     mg/L SO4      mg/L CL       mg/L K


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         24           24           24           24
 MOYENNE                          0.018           6.           4.          1.2
 MINIMUM                          0.005           4.           2.          0.6
 DATE DU MINIMUM             1995-08-10   1994-04-14   1995-09-05   1995-05-09
 10 IEME CENTILE                  0.006           4.           3.          0.8
 MEDIANE                          0.015           6.           4.          1.2
 90 IEME CENTILE                  0.025           7.           4.          1.7
 MAXIMUM                          0.049           7.           4.          2.1
 DATE DU MAXIMUM             1995-09-05   1995-12-06   1994-03-15   1994-12-06
 ECART TYPE                       0.010           1.           1.          0.4




                                Ca DISS      Mn DISS      Fe DISS      Cu DISS
                                                                              
                                  20109        25104        26104        29106
                                mg/L Ca      mg/L Mn      mg/L Fe      mg/L Cu


 NO. DE VALEURS - MENTION L           0           22           21           24
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         24            2            3            0
 MOYENNE                         11.821         0.01         0.06        0.010
 MINIMUM                          7.500         0.01         0.05        0.010
 DATE DU MINIMUM             1994-04-14   1994-02-24   1994-02-24   1994-01-26
 10 IEME CENTILE                  8.680         0.01         0.05        0.010
 MEDIANE                         12.100         0.01         0.05        0.010
 90 IEME CENTILE                 13.700         0.01         0.06        0.010
 MAXIMUM                         17.900         0.02         0.30        0.010
 DATE DU MAXIMUM             1994-12-06   1994-01-26   1995-09-05   1995-12-06
 ECART TYPE                       2.308         0.00         0.05        0.000



                                Zn DISS   COLIFORMES    COL. FEC.      Cd DISS
                                               TOTAU                          
                                  30104        36001        36011        48102
                                mg/L Zn    No./100ml    No./100ml      mg/L Cd


 NO. DE VALEURS - MENTION L          16            0            2           24
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          8           24           22            0
 MOYENNE                          0.008         958.         103.        0.001
 MINIMUM                          0.005          33.           1.        0.001
 DATE DU MINIMUM             1994-03-15   1995-12-06   1994-12-06   1994-01-26
 10 IEME CENTILE                  0.005          69.           2.        0.001
 MEDIANE                          0.005         300.          14.        0.001
 90 IEME CENTILE                  0.016        2900.         300.        0.001
 MAXIMUM                          0.018        5400.        1000.        0.001
 DATE DU MAXIMUM             1995-09-05   1995-09-05   1994-11-16   1995-12-06
 ECART TYPE                       0.005        1400.         234.        0.000




                                Pb DISS   DEBIT INST.
                                                    
                                  82103        97160
                                mg/L Pb         M3/S


 NO. DE VALEURS - MENTION L          24            0
 NO. DE VALEURS - MENTION G           0            0
 NO. DE VALEURS SANS MENTION          0           24
 MOYENNE                          0.010         56.3
 MINIMUM                          0.010          5.5
 DATE DU MINIMUM             1994-01-26   1994-11-16
 10 IEME CENTILE                  0.010         11.7
 MEDIANE                          0.010         26.1
 90 IEME CENTILE                  0.010        135.8
 MAXIMUM                          0.010        185.4
 DATE DU MAXIMUM             1995-12-06   1995-09-05
 ECART TYPE                       0.000         55.1





 NOM DE LA STATION - LAKE KASUMIGAUGA STA.3         NUMERO DE LA STATION 080025
 PAYS - JAPON                                       PROFONDEUR(M)       4.0
 LOCATION - OCT. 2  LAT. 36/07/11  LONG. 140/23/25  ELEVATION(M)   0.2
 CENTRE REGIONAL - WPRA                             TYPE D'EAU   LAC/RESERVO

 PERIODE DEMANDEE  - 1994-01-01 TO 1996-12-31
 PERIODE DE RELEVEMENT  - 1996-01-16 TO 1996-12-11

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                           ECHANT INTEG   COND SPEC.         TEMP        TRANS
                                                                              
                                  00190        02041        02062        02076
                                    S/O        uS/cm           oC        METRE


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         12           12           12           12
 MOYENNE                             1.         291.         15.1          0.6
 MINIMUM                             1.         241.          2.9          0.4
 DATE DU MINIMUM             1996-01-16   1996-10-08   1996-02-07   1996-02-07
 10 IEME CENTILE                     1.         242.          3.2          0.5
 MEDIANE                             1.         293.         15.8          0.6
 90 IEME CENTILE                     1.         325.         25.2          0.7
 MAXIMUM                             1.         338.         26.5          0.8
 DATE DU MAXIMUM             1996-12-11   1996-08-07   1996-08-07   1996-06-12
 ECART TYPE                          0.          33.          8.3          0.1




                             CARB. ORG.     CHLORA A       NO3NO2   AZOTE ORG.
                                   PART                                   DISS
                                  06076        06711        07105        07403
                                 ug/g C         mg/L       mg/L N       mg/L N


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         12           12           12           12
 MOYENNE                        1.9E+05       0.0984         0.10          0.5
 MINIMUM                        1.5E+05       0.0600         0.00          0.3
 DATE DU MINIMUM             1996-02-07   1996-01-16   1996-06-12   1996-03-06
 10 IEME CENTILE                1.5E+05       0.0638         0.00          0.3
 MEDIANE                        1.9E+05       0.0945         0.02          0.4
 90 IEME CENTILE                2.3E+05       0.1258         0.24          0.8
 MAXIMUM                        2.5E+05       0.1350         0.55          0.9
 DATE DU MAXIMUM             1996-12-11   1996-04-03   1996-10-08   1996-02-07
 ECART TYPE                     3.4E+04       0.0219         0.17          0.2




                                    NH3      O2 DISS    DCO total
                                             
                                  07556         08102        08305
                                 mg/L N       mg/L O2      mg/L O2


 NO. DE VALEURS - MENTION L           0            0            0
 NO. DE VALEURS - MENTION G           0            0            0
 NO. DE VALEURS SANS MENTION         12           12           12
 MOYENNE                           0.01         11.9           8.
 MINIMUM                           0.00          8.3           5.
 DATE DU MINIMUM             1996-05-08   1996-10-08   1996-01-16
 10 IEME CENTILE                   0.00          8.5           5.
 MEDIANE                           0.00         11.7           8.
 90 IEME CENTILE                   0.02         14.9          10.
 MAXIMUM                           0.02         15.7          12.
 DATE DU MAXIMUM             1996-03-06   1996-07-15   1996-04-03
 ECART TYPE                        0.01          2.5           2.




                                     pH     MAT.SUSP      Na DISS      Mg DISS
                                               105oC                          
                                  10302        10401        11111        12111
                           UNITES DE pH         mg/L      mg/L Na      mg/L Mg


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         12           12            9            9
 MOYENNE                            9.0          27.        32.53           8.
 MINIMUM                            8.4          20.        28.00           7.
 DATE DU MINIMUM             1996-09-11   1996-01-16   1996-10-08   1996-10-08
 10 IEME CENTILE                    8.4          20.                          
 MEDIANE                            9.1          24.        32.10           8.
 90 IEME CENTILE                    9.4          37.                          
 MAXIMUM                           10.0          46.        39.60           8.
 DATE DU MAXIMUM             1996-07-15   1996-02-07   1996-09-11   1996-09-11
 ECART TYPE                         0.4           8.         3.78           1.




                              SIL REACT      P TOTAL TOTAL P DISS TOT. P SUSP.
                                                                              
                                  14111        15405        15417        15902
                              mg/L SiO2       mg/L P       mg/L P       ug/g P


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          9           12           12           12
 MOYENNE                            2.6        0.136        0.031     4025.000
 MINIMUM                            0.2        0.108        0.014     2900.000
 DATE DU MINIMUM             1996-04-03   1996-01-16   1996-04-03   1996-04-03
 10 IEME CENTILE                               0.108        0.014     2920.000
 MEDIANE                            2.2        0.133        0.019     4250.000
 90 IEME CENTILE                               0.151        0.058     4800.000
 MAXIMUM                            7.2        0.195        0.107     5500.000
 DATE DU MAXIMUM             1996-08-07   1996-08-07   1996-08-07   1996-12-11
 ECART TYPE                         2.1        0.023        0.028      859.307




                                 K DISS      Ca DISS
                                                    
                                  19111        20111
                                 mg/L K      mg/L Ca


 NO. DE VALEURS - MENTION L           0            0
 NO. DE VALEURS - MENTION G           0            0
 NO. DE VALEURS SANS MENTION          9            9
 MOYENNE                            5.9       18.122
 MINIMUM                            5.0       16.200
 DATE DU MINIMUM             1996-04-03   1996-10-08
 10 IEME CENTILE                                    
 MEDIANE                            6.0       18.300
 90 IEME CENTILE                                    
 MAXIMUM                            7.0       19.300
 DATE DU MAXIMUM             1996-09-11   1996-06-12
 ECART TYPE                         0.6        1.170





 NOM DE LA STATION - LAKE KASUMIGAUGA STA.9         NUMERO DE LA STATION 080026
 PAYS - JAPON                                       PROFONDEUR(M)       4.0
 LOCATION - OCT. 2  LAT. 36/02/35  LONG. 140/24/42  ELEVATION(M)   0.2
 CENTRE REGIONAL - WPRA                             TYPE D'EAU   LAC/RESERVO

 PERIODE DEMANDEE  - 1994-01-01 TO 1996-12-31
 PERIODE DE RELEVEMENT  - 1996-01-16 TO 1996-12-11

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                           ECHANT INTEG   COND SPEC.         TEMP        TRANS
                                                                              
                                  00190        02041        02062        02076
                                    S/O        uS/cm           oC        METRE


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         12           12           12           12
 MOYENNE                             1.         346.         14.6          0.8
 MINIMUM                             1.         295.          2.8          0.6
 DATE DU MINIMUM             1996-01-16   1996-12-11   1996-02-07   1996-02-07
 10 IEME CENTILE                     1.         295.          3.2          0.6
 MEDIANE                             1.         354.         15.5          0.9
 90 IEME CENTILE                     1.         375.         24.1          0.9
 MAXIMUM                             1.         377.         25.8          1.0
 DATE DU MAXIMUM             1996-12-11   1996-03-06   1996-08-07   1996-05-08
 ECART TYPE                          0.          28.          8.1          0.1




                             CARB. ORG.     CHLORA A       NO3NO2   AZOTE ORG.
                                   PART                                   DISS
                                  06076        06711        07105        07403
                                 ug/g C         mg/L       mg/L N       mg/L N


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         12           12           12           12
 MOYENNE                        1.9E+05       0.0619         0.03          0.4
 MINIMUM                        1.3E+05       0.0420         0.00          0.3
 DATE DU MINIMUM             1996-10-08   1996-07-15   1996-05-08   1996-03-06
 10 IEME CENTILE                1.3E+05       0.0432         0.00          0.3
 MEDIANE                        2.0E+05       0.0635         0.00          0.4
 90 IEME CENTILE                2.3E+05       0.0797         0.11          0.5
 MAXIMUM                        2.6E+05       0.0830         0.13          0.5
 DATE DU MAXIMUM             1996-12-11   1996-10-08   1996-03-06   1996-09-11
 ECART TYPE                     3.8E+04       0.0134         0.05          0.1




                                    NH3      O2 DISS    DCO total
                                               
                                  07556        08102        08305
                                 mg/L N      mg/L O2      mg/L O2


 NO. DE VALEURS - MENTION L           0            0            0
 NO. DE VALEURS - MENTION G           0            0            0
 NO. DE VALEURS SANS MENTION         12           12           12
 MOYENNE                           0.02         10.6           7.
 MINIMUM                           0.00          6.9           5.
 DATE DU MINIMUM             1996-05-08   1996-06-12   1996-03-06
 10 IEME CENTILE                   0.00          7.1           5.
 MEDIANE                           0.00         11.1           7.
 90 IEME CENTILE                   0.06         13.0           8.
 MAXIMUM                           0.10         13.2           8.
 DATE DU MAXIMUM             1996-01-16   1996-02-07   1996-04-03
 ECART TYPE                        0.03          2.3           1.





                                     pH     MAT.SUSP      Na DISS      Mg DISS
                                               105oC                          
                                  10302        10401        11111        12111
                           UNITES DE pH         mg/L      mg/L Na      mg/L Mg


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         12           12            9            9
 MOYENNE                            8.3          19.        40.73           9.
 MINIMUM                            7.7          14.        36.80           8.
 DATE DU MINIMUM             1996-06-12   1996-12-11   1996-04-03   1996-10-08
 10 IEME CENTILE                    7.8          14.                          
 MEDIANE                            8.2          18.        40.50           9.
 90 IEME CENTILE                    8.7          26.                          
 MAXIMUM                            9.5          31.        44.90           9.
 DATE DU MAXIMUM             1996-07-15   1996-02-07   1996-09-11   1996-09-11
 ECART TYPE                         0.5           5.         2.75           0.




                              SIL REACT      P TOTAL TOTAL P DISS TOT. P SUSP.
                                                                              
                                  14111        15405        15417        15902
                              mg/L SiO2       mg/L P       mg/L P       ug/g P


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          9           12           12           12
 MOYENNE                            2.7        0.101        0.026     4125.000
 MINIMUM                            0.2        0.065        0.011     2800.000
 DATE DU MINIMUM             1996-05-08   1996-03-06   1996-12-11   1996-03-06
 10 IEME CENTILE                               0.068        0.011     2820.000
 MEDIANE                            1.6        0.098        0.016     3750.000
 90 IEME CENTILE                               0.134        0.044     5710.000
 MAXIMUM                            6.7        0.147        0.094     6000.000
 DATE DU MAXIMUM             1996-08-07   1996-08-07   1996-08-07   1996-12-11
 ECART TYPE                         2.2        0.024        0.024     1119.355




                                 K DISS      Ca DISS
                                                    
                                  19111        20111
                                 mg/L K      mg/L Ca


 NO. DE VALEURS - MENTION L           0            0
 NO. DE VALEURS - MENTION G           0            0
 NO. DE VALEURS SANS MENTION          9            9
 MOYENNE                            6.3       19.200
 MINIMUM                            5.0       18.100
 DATE DU MINIMUM             1996-04-03   1996-10-08
 10 IEME CENTILE                                    
 MEDIANE                            6.0       19.400
 90 IEME CENTILE                                    
 MAXIMUM                            7.0       20.000
 DATE DU MAXIMUM             1996-09-11   1996-09-11
 ECART TYPE                         0.7        0.604





 NOM DE LA STATION - LAKE KASUMIGAUGA STA.12        NUMERO DE LA STATION 080027
 PAYS - JAPON                                       PROFONDEUR(M)       4.0
 LOCATION - OCT. 2  LAT. 35/58/40  LONG. 140/28/53  ELEVATION(M)   0.2
 CENTRE REGIONAL - WPRA                             TYPE D'EAU   LAC/RESERVO

 PERIODE DEMANDEE  - 1994-01-01 TO 1996-12-31
 PERIODE DE RELEVEMENT  - 1996-01-16 TO 1996-12-11

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                           ECHANT INTEG   COND SPEC.         TEMP        TRANS
                                                                              
                                  00190        02041        02062        02076
                                    S/O        uS/cm           oC        METRE


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         12           12           12           12
 MOYENNE                             1.         388.         14.6          0.8
 MINIMUM                             1.         332.          2.3          0.6
 DATE DU MINIMUM             1996-01-16   1996-10-08   1996-02-07   1996-10-08
 10 IEME CENTILE                     1.         336.          2.9          0.6
 MEDIANE                             1.         386.         15.2          0.8
 90 IEME CENTILE                     1.         432.         23.5          0.9
 MAXIMUM                             1.         450.         25.5          1.0
 DATE DU MAXIMUM             1996-12-11   1996-03-06   1996-08-07   1996-04-03
 ECART TYPE                          0.          37.          7.7          0.1




                             CARB. ORG.     CHLORA A       NO3NO2   AZOTE ORG.
                                   PART                                   DISS
                                  06076        06711        07105        07403
                                 ug/g C         mg/L       mg/L N       mg/L N


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         12           12           12           12
 MOYENNE                        1.8E+05       0.0564         0.02          0.4
 MINIMUM                        1.3E+05       0.0450         0.00          0.3
 DATE DU MINIMUM             1996-11-06   1996-05-08   1996-05-08   1996-03-06
 10 IEME CENTILE                1.3E+05       0.0456         0.00          0.3
 MEDIANE                        1.7E+05       0.0495         0.00          0.4
 90 IEME CENTILE                2.2E+05       0.0688         0.06          0.4
 MAXIMUM                        2.8E+05       0.0840         0.14          0.6
 DATE DU MAXIMUM             1996-12-11   1996-10-08   1996-03-06   1996-09-11
 ECART TYPE                     4.3E+04       0.0120         0.04          0.1




                                    NH3       O2 DISS    DCO total
                                                
                                  07556         08102        08305
                                 mg/L N       mg/L O2      mg/L O2


 NO. DE VALEURS - MENTION L           0            0            0
 NO. DE VALEURS - MENTION G           0            0            0
 NO. DE VALEURS SANS MENTION         12           12           12
 MOYENNE                           0.01         10.8           7.
 MINIMUM                           0.00          7.8           5.
 DATE DU MINIMUM             1996-10-08   1996-06-12   1996-01-16
 10 IEME CENTILE                   0.00          7.9           5.
 MEDIANE                           0.00         11.0           7.
 90 IEME CENTILE                   0.04         13.2           8.
 MAXIMUM                           0.05         13.5           8.
 DATE DU MAXIMUM             1996-03-06   1996-02-07   1996-09-11
 ECART TYPE                        0.02          2.1           1.






                                     pH     MAT.SUSP      Na DISS      Mg DISS
                                               105oC                          
                                  10302        10401        11111        12111
                           UNITES DE pH         mg/L      mg/L Na      mg/L Mg


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         12           12            9            9
 MOYENNE                            8.4          21.        46.30          10.
 MINIMUM                            7.8          11.        40.60           8.
 DATE DU MINIMUM             1996-05-08   1996-12-11   1996-10-08   1996-10-08
 10 IEME CENTILE                    7.8          12.                          
 MEDIANE                            8.3          21.        44.50          10.
 90 IEME CENTILE                    8.7          28.                          
 MAXIMUM                            9.5          30.        54.30          10.
 DATE DU MAXIMUM             1996-07-15   1996-03-06   1996-11-06   1996-11-06
 ECART TYPE                         0.5           6.         4.49           1.




                              SIL REACT      P TOTAL TOTAL P DISS TOT. P SUSP.
                                                                              
                                  14111        15405        15417        15902
                              mg/L SiO2       mg/L P       mg/L P       ug/g P


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          9           12           12           12
 MOYENNE                            3.1        0.093        0.020     3675.000
 MINIMUM                            0.4        0.061        0.011     1900.000
 DATE DU MINIMUM             1996-04-03   1996-04-03   1996-12-11   1996-03-06
 10 IEME CENTILE                               0.063        0.011     2040.000
 MEDIANE                            2.8        0.090        0.014     3600.000
 90 IEME CENTILE                               0.121        0.029     4510.000
 MAXIMUM                            7.0        0.142        0.063     6000.000
 DATE DU MAXIMUM             1996-08-07   1996-08-07   1996-08-07   1996-12-11
 ECART TYPE                         2.2        0.024        0.015     1060.981




                                 K DISS      Ca DISS
                                                    
                                  19111        20111
                                 mg/L K      mg/L Ca


 NO. DE VALEURS - MENTION L           0            0
 NO. DE VALEURS - MENTION G           0            0
 NO. DE VALEURS SANS MENTION          9            9
 MOYENNE                            6.6       19.789
 MINIMUM                            6.0       17.300
 DATE DU MINIMUM             1996-04-03   1996-10-08
 10 IEME CENTILE                                    
 MEDIANE                            7.0       19.900
 90 IEME CENTILE                                    
 MAXIMUM                            7.0       20.800
 DATE DU MAXIMUM             1996-12-11   1996-05-08
 ECART TYPE                         0.5        1.073




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