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STATISTIQUES POUR LES PAYS-BAS

STATISTIQUES POUR LES PAYS-BAS


GEMS/EAU - RESUME STATISTIQUE PAR STATION     2002-02-18   PAGE 603

 NOM DE LA STATION - RHINE RIVER AT GERMAN FRONTIER NUMERO DE LA STATION 046001
 PAYS - PAYS-BAS                                    PROFONDEUR(M)       7.0
 LOCATION - OCT. 3  LAT. 51/51/06  LONG. 006/06/06  ELEVATION(M)  10.5
 CENTRE REGIONAL - EURA                             TYPE D'EAU   RIVIERE    

 PERIODE DEMANDEE  - 1985-01-01 TO 1987-12-31
 PERIODE DE RELEVEMENT  - 1985-01-01 TO 1987-12-31

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                                   TEMP        TRANS          COT           CN
                                                                              
                                  02061        02076        06001        06606
                                     oC        METRE       mg/L C      mg/L CN


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION        150            2          152           38
 MOYENNE                           12.7          0.6           6.        0.003
 MINIMUM                            0.8                        4.        0.000
 DATE DU MINIMUM             1987-01-14                1985-05-29   1985-11-21
 10 IEME CENTILE                    4.3                        5.        0.000
 MEDIANE                           13.0                        6.        0.002
 90 IEME CENTILE                   20.8                        8.        0.004
 MAXIMUM                           23.9                       13.        0.016
 DATE DU MAXIMUM             1986-07-02                1985-01-23   1987-01-14
 ECART TYPE                         6.3                        1.        0.003




                               CHLORA A       N Kjel       NO3NO2          NH3
                                                                              
                                  06711        07004        07105        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         62          153          153          153
 MOYENNE                         0.0141          1.7         4.32         0.70
 MINIMUM                         0.0010          0.8         2.77         0.05
 DATE DU MINIMUM             1987-11-18   1987-06-24   1987-07-22   1986-05-28
 10 IEME CENTILE                 0.0020          1.1         3.30         0.18
 MEDIANE                         0.0095          1.6         4.34         0.42
 90 IEME CENTILE                 0.0338          2.7         5.39         1.57
 MAXIMUM                         0.0630          4.7         6.18         2.99
 DATE DU MAXIMUM             1987-04-28   1985-01-23   1985-11-06   1985-01-23
 ECART TYPE                      0.0136          0.7         0.79         0.61




                                 F DISS           pH     MAT.SUSP      Na DISS
                                                            105oC             
                                  09105        10302        10401        11102
                                 mg/L F 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         65          153          150           78
 MOYENNE                            0.2          7.6          42.          97.
 MINIMUM                            0.1          7.1          16.          46.
 DATE DU MINIMUM             1987-03-11   1986-12-10   1985-01-02   1986-04-09
 10 IEME CENTILE                    0.2          7.3          27.          62.
 MEDIANE                            0.2          7.6          37.          92.
 90 IEME CENTILE                    0.3          7.9          59.         129.
 MAXIMUM                            0.3          8.5         130.         212.
 DATE DU MAXIMUM             1985-12-18   1987-03-11   1987-12-23   1985-11-06
 ECART TYPE                         0.0          0.2          19.          32.





                                Mg DISS    SIL REACT P ORTHO DISS      P TOTAL
                                                                              
                                  12103        14101        15255        15405
                                mg/L Mg    mg/L SiO2       mg/L P       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         64          153          153          153
 MOYENNE                            11.         2.49        0.286        0.503
 MINIMUM                             9.         0.13        0.110        0.260
 DATE DU MINIMUM             1986-01-29   1986-07-23   1987-04-28   1987-07-15
 10 IEME CENTILE                     9.         1.14        0.159        0.330
 MEDIANE                            11.         2.65        0.265        0.470
 90 IEME CENTILE                    14.         3.61        0.440        0.710
 MAXIMUM                            14.         3.94        0.690        1.010
 DATE DU MAXIMUM             1985-03-13   1986-03-05   1985-11-06   1985-11-06
 ECART TYPE                          2.         0.99        0.116        0.159




                                SULFATE      Cl DISS      ALDRINE    DIELDRINE
                                                                              
                                  16303        17203        18130        18150
                               mg/L SO4      mg/L CL         ug/L         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         63          153           37           37
 MOYENNE                            73.         173.        0.000        0.000
 MINIMUM                            51.          50.        0.000        0.000
 DATE DU MINIMUM             1987-07-15   1987-01-07   1985-02-13   1985-03-13
 10 IEME CENTILE                    54.         108.        0.000        0.000
 MEDIANE                            71.         165.        0.000        0.000
 90 IEME CENTILE                    91.         245.        0.000        0.001
 MAXIMUM                           110.         393.        0.000        0.002
 DATE DU MAXIMUM             1985-10-16   1985-11-06   1987-12-16   1986-01-15
 ECART TYPE                         14.          60.        0.000        0.001




                                   PCBS       K DISS      Ca DISS     Cr TOTAL
                                                                              
                                  18165        19102        20105        24002
                                   ug/L       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         37           78           64           77
 MOYENNE                          0.005          6.4       76.844        0.008
 MINIMUM                          0.000          3.6       46.000        0.002
 DATE DU MINIMUM             1987-02-11   1987-07-29   1985-09-25   1985-02-13
 10 IEME CENTILE                  0.000          4.3       63.800        0.005
 MEDIANE                          0.006          6.1       77.000        0.007
 90 IEME CENTILE                  0.011          8.4       92.800        0.011
 MAXIMUM                          0.015         13.6      103.000        0.026
 DATE DU MAXIMUM             1986-09-24   1985-11-06   1985-01-16   1986-01-16
 ECART TYPE                       0.004          1.7       10.818        0.004




                                Cr DISS     Mn TOTAL     Fe TOTAL      Fe DISS
                                                                              
                                  24052        25005        26004        26104
                                mg/L Cr      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         78           77          112           33
 MOYENNE                          0.001         0.09         1.48         0.01
 MINIMUM                          0.000         0.05         0.68         0.00
 DATE DU MINIMUM             1986-09-24   1987-05-26   1986-09-03   1986-07-02
 10 IEME CENTILE                  0.000         0.07         0.91         0.00
 MEDIANE                          0.001         0.08         1.21         0.01
 90 IEME CENTILE                  0.001         0.12         2.22         0.02
 MAXIMUM                          0.005         0.17         4.65         0.07
 DATE DU MAXIMUM             1986-12-17   1987-12-23   1987-12-23   1986-02-12
 ECART TYPE                       0.001         0.02         0.84         0.01




                               Cu TOTAL      Cu DISS     Zn TOTAL      Zn DISS
                                                                              
                                  29006        29105        30005        30104
                                mg/L Cu      mg/L Cu      mg/L Zn      mg/L Zn


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         76           77           90           78
 MOYENNE                          0.006        0.003        0.041        0.011
 MINIMUM                          0.002        0.001        0.004        0.000
 DATE DU MINIMUM             1985-05-08   1985-05-08   1987-09-30   1986-07-02
 10 IEME CENTILE                  0.004        0.002        0.021        0.004
 MEDIANE                          0.005        0.003        0.039        0.009
 90 IEME CENTILE                  0.008        0.004        0.062        0.021
 MAXIMUM                          0.015        0.008        0.119        0.039
 DATE DU MAXIMUM             1986-01-16   1986-09-24   1986-01-16   1985-01-16
 ECART TYPE                       0.002        0.001        0.020        0.008




                               As TOTAL      As DISS    COL. FEC.     Cd TOTAL
                                                                              
                                  33007        33104        36011        48001
                                mg/L As      mg/L As    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         77           78           63           76
 MOYENNE                          0.002        0.001         976.        0.000
 MINIMUM                          0.001        0.001          30.        0.000
 DATE DU MINIMUM             1985-03-13   1985-01-16   1987-09-09   1985-01-16
 10 IEME CENTILE                  0.001        0.001         102.        0.000
 MEDIANE                          0.002        0.001         735.        0.000
 90 IEME CENTILE                  0.002        0.001        1995.        0.000
 MAXIMUM                          0.005        0.002        4600.        0.000
 DATE DU MAXIMUM             1987-03-04   1985-07-31   1986-01-15   1987-12-30
 ECART TYPE                       0.001        0.000        1038.        0.000




                                Cd DISS     Hg TOTAL      Hg DISS     Pb TOTAL
                                                                              
                                  48101        80011        80111        82001
                                mg/L Cd      ug/L Hg      ug/L Hg      mg/L Pb


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         77           99           78           76
 MOYENNE                          0.000        0.061        0.008        0.004
 MINIMUM                          0.000        0.010        0.000        0.001
 DATE DU MINIMUM             1985-01-16   1987-06-17   1986-06-04   1986-04-09
 10 IEME CENTILE                  0.000        0.030        0.000        0.003
 MEDIANE                          0.000        0.050        0.010        0.004
 90 IEME CENTILE                  0.000        0.090        0.012        0.006
 MAXIMUM                          0.000        0.290        0.060        0.019
 DATE DU MAXIMUM             1987-12-30   1987-02-11   1987-02-11   1986-01-16
 ECART TYPE                       0.000        0.035        0.010        0.002




                                Pb DISS   DEBIT INST.
                                                    
                                  82101        97160
                                mg/L Pb         M3/S


 NO. DE VALEURS - MENTION L           0            0
 NO. DE VALEURS - MENTION G           0            0
 NO. DE VALEURS SANS MENTION         77         1095
 MOYENNE                          0.000       2444.6
 MINIMUM                          0.000        874.0
 DATE DU MINIMUM             1985-01-16   1985-10-29
 10 IEME CENTILE                  0.000       1316.5
 MEDIANE                          0.000       2211.0
 90 IEME CENTILE                  0.001       3720.5
 MAXIMUM                          0.003       7642.0
 DATE DU MAXIMUM             1986-02-12   1987-01-06
 ECART TYPE                       0.000       1096.3





 NOM DE LA STATION - BOVEN MERWEDE (ARM OF RHINE)   NUMERO DE LA STATION 046002
 PAYS - PAYS-BAS                                    PROFONDEUR(M)    9999.9
 LOCATION - OCT. 3  LAT. 51/49/33  LONG. 004/58/22  ELEVATION(M)   1.0
 CENTRE REGIONAL - EURA                             TYPE D'EAU   RIVIERE    

 PERIODE DEMANDEE  - 1985-01-01 TO 1987-12-31
 PERIODE DE RELEVEMENT  - 1985-01-02 TO 1987-12-30

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                                   TEMP          COT     CHLORA A       N Kjel
                                                                              
                                  02061        06001        06711        07004
                                     oC       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         77           76           44           76
 MOYENNE                           12.4           6.       0.0143          1.4
 MINIMUM                            0.2           4.       0.0000          0.6
 DATE DU MINIMUM             1985-01-16   1986-12-03   1987-04-08   1987-07-15
 10 IEME CENTILE                    3.5           5.       0.0018          0.9
 MEDIANE                           13.2           6.       0.0101          1.2
 90 IEME CENTILE                   20.1           8.       0.0324          2.2
 MAXIMUM                           24.6           9.       0.0403          3.8
 DATE DU MAXIMUM             1986-07-02   1986-08-13   1985-08-14   1986-02-26
 ECART TYPE                         6.6           1.       0.0123          0.6




                                 NO3NO2          NH3           pH     MAT.SUSP
                                                                         105oC
                                  07105        07555        10302        10401
                                 mg/L N       mg/L N 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         77           77           77           76
 MOYENNE                           4.37         0.49          7.7          41.
 MINIMUM                           2.93         0.00          7.3          16.
 DATE DU MINIMUM             1986-07-02   1985-08-14   1986-09-24   1985-11-06
 10 IEME CENTILE                   3.28         0.02          7.5          26.
 MEDIANE                           4.35         0.25          7.7          38.
 90 IEME CENTILE                   5.48         1.27          7.9          58.
 MAXIMUM                           6.15         2.17          8.7         106.
 DATE DU MAXIMUM             1985-11-06   1986-02-26   1987-03-11   1986-01-29
 ECART TYPE                        0.84         0.53          0.3          17.




                                Mg DISS    SIL REACT P ORTHO DISS      P TOTAL
                                                                              
                                  12103        14101        15255        15405
                                mg/L Mg    mg/L SiO2       mg/L P       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          1           75           76           76
 MOYENNE                            14.         2.38        0.275        0.485
 MINIMUM                                        0.02        0.108        0.270
 DATE DU MINIMUM                          1986-08-13   1987-07-01   1987-07-15
 10 IEME CENTILE                                0.62        0.154        0.326
 MEDIANE                                        2.49        0.259        0.465
 90 IEME CENTILE                                3.64        0.423        0.660
 MAXIMUM                                        3.80        0.615        0.920
 DATE DU MAXIMUM                          1986-02-12   1985-11-06   1986-10-22
 ECART TYPE                                     1.09        0.109        0.145




                                Cl DISS      ALDRINE    DIELDRINE         PCBS
                                                                              
                                  17203        18130        18150        18165
                                mg/L CL         ug/L         ug/L         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         77            6            6            6
 MOYENNE                           163.        0.000        0.000        0.003
 MINIMUM                            77.        0.000        0.000        0.000
 DATE DU MINIMUM             1987-08-12   1987-03-11   1987-03-11   1987-07-01
 10 IEME CENTILE                   110.                                       
 MEDIANE                           149.        0.000        0.000        0.002
 90 IEME CENTILE                   253.                                       
 MAXIMUM                           348.        0.002        0.001        0.007
 DATE DU MAXIMUM             1985-11-06   1987-12-16   1987-07-01   1987-12-16
 ECART TYPE                         58.        0.001        0.000        0.002




                                Ca DISS     Cr TOTAL      Cr DISS     Cu TOTAL
                                                                              
                                  20105        24002        24052        29006
                                mg/L Ca      mg/L Cr      mg/L Cr      mg/L Cu


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          1           16           18           16
 MOYENNE                         63.000        0.009        0.001        0.006
 MINIMUM                                       0.002        0.000        0.004
 DATE DU MINIMUM                          1985-02-13   1985-02-13   1986-02-12
 10 IEME CENTILE                               0.002        0.000        0.005
 MEDIANE                                       0.008        0.001        0.005
 90 IEME CENTILE                               0.015        0.001        0.008
 MAXIMUM                                       0.017        0.001        0.011
 DATE DU MAXIMUM                          1985-11-21   1986-04-09   1986-07-30
 ECART TYPE                                    0.004        0.000        0.002




                                Cu DISS     Zn TOTAL      Zn DISS     As TOTAL
                                                                              
                                  29105        30005        30104        33007
                                mg/L Cu      mg/L Zn      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           16           18           17
 MOYENNE                          0.003        0.041        0.011        0.002
 MINIMUM                          0.002        0.022        0.004        0.001
 DATE DU MINIMUM             1985-06-05   1985-02-13   1987-07-01   1985-04-10
 10 IEME CENTILE                  0.002        0.024        0.005        0.001
 MEDIANE                          0.003        0.039        0.009        0.002
 90 IEME CENTILE                  0.004        0.058        0.016        0.003
 MAXIMUM                          0.006        0.074        0.036        0.003
 DATE DU MAXIMUM             1986-07-30   1985-11-21   1985-11-21   1987-03-11
 ECART TYPE                       0.001        0.014        0.007        0.001





                                As DISS    COL. FEC.     Cd TOTAL      Cd DISS
                                                                              
                                  33104        36011        48001        48101
                                mg/L As    No./100ml      mg/L Cd      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         18           51           16           17
 MOYENNE                          0.001         352.        0.000        0.000
 MINIMUM                          0.001          11.        0.000        0.000
 DATE DU MINIMUM             1985-02-13   1986-07-02   1985-02-13   1985-04-10
 10 IEME CENTILE                  0.001          45.        0.000        0.000
 MEDIANE                          0.001         150.        0.000        0.000
 90 IEME CENTILE                  0.002         868.        0.000        0.000
 MAXIMUM                          0.002        2000.        0.000        0.000
 DATE DU MAXIMUM             1986-02-12   1987-03-11   1987-08-26   1987-12-16
 ECART TYPE                       0.000         456.        0.000        0.000




                               Hg TOTAL      Hg DISS     Pb TOTAL      Pb DISS
                                                                              
                                  80011        80111        82001        82101
                                ug/L Hg      ug/L Hg      mg/L Pb      mg/L Pb


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         64           18           16           18
 MOYENNE                          0.065        0.007        0.005        0.000
 MINIMUM                          0.020        0.000        0.002        0.000
 DATE DU MINIMUM             1986-08-13   1986-07-30   1985-04-10   1985-02-13
 10 IEME CENTILE                  0.030        0.000        0.003        0.000
 MEDIANE                          0.050        0.010        0.004        0.000
 90 IEME CENTILE                  0.122        0.010        0.006        0.001
 MAXIMUM                          0.250        0.020        0.012        0.001
 DATE DU MAXIMUM             1985-04-24   1986-02-12   1986-09-24   1987-05-06
 ECART TYPE                       0.044        0.006        0.002        0.000





 NOM DE LA STATION - LEX (ARM OF RHINE)             NUMERO DE LA STATION 046003
 PAYS - PAYS-BAS                                    PROFONDEUR(M)    9999.9
 LOCATION - OCT. 3  LAT. 51/59/54  LONG. 005/04/41  ELEVATION(M)   1.6
 CENTRE REGIONAL - EURA                             TYPE D'EAU   RIVIERE    

 PERIODE DEMANDEE  - 1985-01-01 TO 1987-12-31
 PERIODE DE RELEVEMENT  - 1985-01-02 TO 1987-12-30

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                                   TEMP          COT     CHLORA A       N Kjel
                                                                              
                                  02061        06001        06711        07004
                                     oC       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         77           77           44           76
 MOYENNE                           12.2           6.       0.0114          1.4
 MINIMUM                            0.5           4.       0.0006          0.7
 DATE DU MINIMUM             1985-01-16   1985-01-02   1985-01-02   1986-06-18
 10 IEME CENTILE                    3.8           4.       0.0017          0.8
 MEDIANE                           12.6           5.       0.0080          1.2
 90 IEME CENTILE                   20.1           7.       0.0259          2.3
 MAXIMUM                           24.2          10.       0.0355          3.5
 DATE DU MAXIMUM             1986-07-02   1987-07-01   1985-05-22   1985-01-16
 ECART TYPE                         6.4           1.       0.0101          0.6




                                 NO3NO2          NH3           pH     MAT.SUSP
                                                                         105oC
                                  07105        07555        10302        10401
                                 mg/L N       mg/L N 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         77           77           77           76
 MOYENNE                           4.34         0.54          7.7          30.
 MINIMUM                           3.05         0.00          7.2           4.
 DATE DU MINIMUM             1986-07-02   1987-09-23   1986-11-05   1985-09-25
 10 IEME CENTILE                   3.39         0.07          7.5           8.
 MEDIANE                           4.34         0.31          7.7          26.
 90 IEME CENTILE                   5.25         1.22          8.0          56.
 MAXIMUM                           6.01         2.29          8.8         162.
 DATE DU MAXIMUM             1986-01-02   1986-02-26   1987-03-11   1986-01-29
 ECART TYPE                        0.73         0.56          0.3          24.




                                Mg DISS    SIL REACT P ORTHO DISS      P TOTAL
                                                                              
                                  12103        14101        15255        15405
                                mg/L Mg    mg/L SiO2       mg/L P       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          1           77           77           76
 MOYENNE                            14.         2.34        0.280        0.441
 MINIMUM                                        0.11        0.140        0.250
 DATE DU MINIMUM                          1985-08-14   1987-07-01   1987-07-29
 10 IEME CENTILE                                0.57        0.167        0.306
 MEDIANE                                        2.43        0.272        0.430
 90 IEME CENTILE                                3.66        0.389        0.618
 MAXIMUM                                        3.83        0.679        0.810
 DATE DU MAXIMUM                          1985-01-16   1985-12-04   1986-03-12
 ECART TYPE                                     1.13        0.100        0.128




                                Cl DISS      ALDRINE    DIELDRINE         PCBS
                                                                              
                                  17203        18130        18150        18165
                                mg/L CL         ug/L         ug/L         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         77            6            6            6
 MOYENNE                           161.        0.000        0.000        0.003
 MINIMUM                            82.        0.000        0.000        0.000
 DATE DU MINIMUM             1987-07-01   1987-03-11   1987-03-11   1987-05-06
 10 IEME CENTILE                   111.                                       
 MEDIANE                           154.        0.000        0.000        0.002
 90 IEME CENTILE                   214.                                       
 MAXIMUM                           286.        0.000        0.001        0.005
 DATE DU MAXIMUM             1985-11-21   1987-12-16   1987-07-01   1987-07-01
 ECART TYPE                         43.        0.000        0.000        0.002




                                Ca DISS     Cr TOTAL      Cr DISS     Cu TOTAL
                                                                              
                                  20105        24002        24052        29006
                                mg/L Ca      mg/L Cr      mg/L Cr      mg/L Cu


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION          1           18           18           18
 MOYENNE                         62.000        0.006        0.001        0.005
 MINIMUM                                       0.001        0.000        0.003
 DATE DU MINIMUM                          1985-11-21   1985-04-10   1985-09-25
 10 IEME CENTILE                               0.002        0.000        0.003
 MEDIANE                                       0.004        0.001        0.004
 90 IEME CENTILE                               0.013        0.001        0.008
 MAXIMUM                                       0.019        0.001        0.010
 DATE DU MAXIMUM                          1986-04-09   1985-09-25   1987-03-11
 ECART TYPE                                    0.005        0.001        0.002




                                Cu DISS     Zn TOTAL      Zn DISS     As TOTAL
                                                                              
                                  29105        30005        30104        33007
                                mg/L Cu      mg/L Zn      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           18           18           17
 MOYENNE                          0.003        0.033        0.011        0.002
 MINIMUM                          0.002        0.014        0.004        0.001
 DATE DU MINIMUM             1985-07-31   1987-05-06   1986-06-04   1986-02-12
 10 IEME CENTILE                  0.002        0.016        0.004        0.001
 MEDIANE                          0.002        0.032        0.009        0.002
 90 IEME CENTILE                  0.003        0.047        0.018        0.003
 MAXIMUM                          0.004        0.054        0.030        0.004
 DATE DU MAXIMUM             1986-06-04   1986-06-04   1985-11-21   1987-03-11
 ECART TYPE                       0.001        0.011        0.006        0.001





                                As DISS    COL. FEC.     Cd TOTAL      Cd DISS
                                                                              
                                  33104        36011        48001        48101
                                mg/L As    No./100ml      mg/L Cd      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         17           53           18           18
 MOYENNE                          0.001         204.        0.000        0.000
 MINIMUM                          0.001          10.        0.000        0.000
 DATE DU MINIMUM             1985-02-13   1985-09-25   1985-02-13   1985-02-13
 10 IEME CENTILE                  0.001          16.        0.000        0.000
 MEDIANE                          0.001          70.        0.000        0.000
 90 IEME CENTILE                  0.002         532.        0.000        0.000
 MAXIMUM                          0.004        1900.        0.000        0.000
 DATE DU MAXIMUM             1985-11-21   1987-03-11   1987-12-16   1987-12-16
 ECART TYPE                       0.001         340.        0.000        0.000




                               Hg TOTAL      Hg DISS     Pb TOTAL      Pb DISS
                                                                              
                                  80011        80111        82001        82101
                                ug/L Hg      ug/L Hg      mg/L Pb      mg/L Pb


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         66           18           18           18
 MOYENNE                          0.054        0.009        0.004        0.000
 MINIMUM                          0.000        0.000        0.001        0.000
 DATE DU MINIMUM             1986-09-10   1986-07-30   1985-09-25   1985-02-13
 10 IEME CENTILE                  0.010        0.000        0.001        0.000
 MEDIANE                          0.050        0.010        0.004        0.000
 90 IEME CENTILE                  0.100        0.011        0.006        0.001
 MAXIMUM                          0.240        0.020        0.009        0.001
 DATE DU MAXIMUM             1985-01-16   1987-08-26   1986-04-09   1986-06-04
 ECART TYPE                       0.040        0.006        0.002        0.000





 NOM DE LA STATION - IJSSEL (ARM OF RHINE)          NUMERO DE LA STATION 046004
 PAYS - PAYS-BAS                                    PROFONDEUR(M)    9999.9
 LOCATION - OCT. 3  LAT. 52/31/12  LONG. 006/01/12  ELEVATION(M)   0.0
 CENTRE REGIONAL - EURA                             TYPE D'EAU   RIVIERE    

 PERIODE DEMANDEE  - 1985-01-01 TO 1987-12-31
 PERIODE DE RELEVEMENT  - 1985-01-02 TO 1987-12-30

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                                   TEMP        TRANS          COT     CHLORA A
                                                                              
                                  02061        02076        06001        06711
                                     oC        METRE       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         76           22           78           44
 MOYENNE                           12.5          0.5           6.       0.0109
 MINIMUM                            0.2          0.2           4.       0.0000
 DATE DU MINIMUM             1987-01-14   1987-03-11   1986-09-10   1987-11-04
 10 IEME CENTILE                    3.3          0.3           5.       0.0018
 MEDIANE                           13.2          0.6           6.       0.0074
 90 IEME CENTILE                   20.6          0.7           8.       0.0283
 MAXIMUM                           24.7          0.8          13.       0.0503
 DATE DU MAXIMUM             1986-07-02   1987-11-04   1985-03-27   1985-05-22
 ECART TYPE                         6.6          0.2           1.       0.0110




                                 N Kjel       NO3NO2          NH3           pH
                                                                              
                                  07004        07105        07555        10302
                                 mg/L N       mg/L N       mg/L N UNITES DE pH


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         75           78           78           77
 MOYENNE                            1.6         4.67         0.56          7.7
 MINIMUM                            0.8         3.11         0.00          7.2
 DATE DU MINIMUM             1987-07-01   1987-07-01   1987-09-23   1986-11-05
 10 IEME CENTILE                    1.0         3.46         0.08          7.4
 MEDIANE                            1.4         4.72         0.39          7.6
 90 IEME CENTILE                    2.7         5.80         1.31          7.8
 MAXIMUM                            3.8         7.14         2.32          8.7
 DATE DU MAXIMUM             1986-02-26   1986-01-15   1986-02-26   1987-03-11
 ECART TYPE                         0.7         0.90         0.55          0.2




                               MAT.SUSP      Mg DISS    SIL REACT P ORTHO DISS
                                  105oC                                       
                                  10401        12103        14101        15255
                                   mg/L      mg/L Mg    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         76            1           78           78
 MOYENNE                            35.          12.         2.68        0.301
 MINIMUM                             0.                      0.07        0.138
 DATE DU MINIMUM             1986-12-03                1986-08-13   1987-07-01
 10 IEME CENTILE                    22.                      0.74        0.179
 MEDIANE                            34.                      2.91        0.285
 90 IEME CENTILE                    52.                      4.06        0.431
 MAXIMUM                            98.                      4.33        0.659
 DATE DU MAXIMUM             1985-07-03                1985-12-04   1985-11-06
 ECART TYPE                         14.                      1.21        0.108




                                P TOTAL      Cl DISS      ALDRINE    DIELDRINE
                                                                              
                                  15405        17203        18130        18150
                                 mg/L P      mg/L CL         ug/L         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         75           78            8            8
 MOYENNE                          0.523         152.        0.000        0.000
 MINIMUM                          0.240          70.        0.000        0.000
 DATE DU MINIMUM             1987-07-01   1986-04-09   1987-01-14   1987-01-14
 10 IEME CENTILE                  0.340          99.                          
 MEDIANE                          0.500         138.        0.000        0.000
 90 IEME CENTILE                  0.720         230.                          
 MAXIMUM                          1.180         318.        0.001        0.000
 DATE DU MAXIMUM             1985-03-27   1985-12-04   1987-03-11   1987-12-16
 ECART TYPE                       0.165          53.        0.000        0.000




                                   PCBS      Ca DISS     Cr TOTAL      Cr DISS
                                                                              
                                  18165        20105        24002        24052
                                   ug/L      mg/L Ca      mg/L Cr      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          8            1           19           19
 MOYENNE                          0.001       62.000        0.007        0.001
 MINIMUM                          0.000                     0.002        0.000
 DATE DU MINIMUM             1987-01-14                1985-02-13   1985-02-13
 10 IEME CENTILE                                            0.002        0.000
 MEDIANE                          0.001                     0.007        0.001
 90 IEME CENTILE                                            0.011        0.001
 MAXIMUM                          0.005                     0.015        0.003
 DATE DU MAXIMUM             1987-08-26                1985-09-25   1985-07-31
 ECART TYPE                       0.002                     0.004        0.001




                               Cu TOTAL      Cu DISS     Zn TOTAL      Zn DISS
                                                                              
                                  29006        29105        30005        30104
                                mg/L Cu      mg/L Cu      mg/L Zn      mg/L Zn


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         19           19           19           19
 MOYENNE                          0.005        0.003        0.047        0.012
 MINIMUM                          0.003        0.001        0.011        0.004
 DATE DU MINIMUM             1986-02-12   1985-07-31   1987-07-01   1987-07-01
 10 IEME CENTILE                  0.003        0.002        0.018        0.006
 MEDIANE                          0.005        0.003        0.045        0.010
 90 IEME CENTILE                  0.008        0.003        0.056        0.017
 MAXIMUM                          0.009        0.004        0.132        0.036
 DATE DU MAXIMUM             1986-09-24   1986-09-24   1986-06-04   1985-11-21
 ECART TYPE                       0.002        0.001        0.025        0.007





                               As TOTAL      As DISS    COL. FEC.     Cd TOTAL
                                                                              
                                  33007        33104        36011        48001
                                mg/L As      mg/L As    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         19           19           53           19
 MOYENNE                          0.002        0.001         300.        0.000
 MINIMUM                          0.001        0.001          19.        0.000
 DATE DU MINIMUM             1985-02-13   1985-02-13   1986-09-10   1985-02-13
 10 IEME CENTILE                  0.001        0.001          25.        0.000
 MEDIANE                          0.002        0.001          87.        0.000
 90 IEME CENTILE                  0.002        0.002         674.        0.000
 MAXIMUM                          0.003        0.002        2180.        0.000
 DATE DU MAXIMUM             1986-07-30   1985-11-21   1987-02-11   1987-12-16
 ECART TYPE                       0.000        0.000         456.        0.000




                                Cd DISS     Hg TOTAL      Hg DISS     Pb TOTAL
                                                                              
                                  48101        80011        80111        82001
                                mg/L Cd      ug/L Hg      ug/L Hg      mg/L Pb


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         19           64           19           19
 MOYENNE                          0.000        0.052        0.007        0.005
 MINIMUM                          0.000        0.010        0.000        0.001
 DATE DU MINIMUM             1985-02-13   1987-12-16   1986-02-12   1987-07-01
 10 IEME CENTILE                  0.000        0.030        0.000        0.003
 MEDIANE                          0.000        0.050        0.010        0.005
 90 IEME CENTILE                  0.000        0.076        0.010        0.008
 MAXIMUM                          0.000        0.110        0.020        0.012
 DATE DU MAXIMUM             1987-12-16   1987-08-26   1987-08-26   1987-08-26
 ECART TYPE                       0.000        0.021        0.006        0.003




                                Pb DISS
                                       
                                  82101
                                mg/L Pb


 NO. DE VALEURS - MENTION L           0
 NO. DE VALEURS - MENTION G           0
 NO. DE VALEURS SANS MENTION         19
 MOYENNE                          0.000
 MINIMUM                          0.000
 DATE DU MINIMUM             1985-02-13
 10 IEME CENTILE                  0.000
 MEDIANE                          0.000
 90 IEME CENTILE                  0.001
 MAXIMUM                          0.002
 DATE DU MAXIMUM             1986-04-09
 ECART TYPE                       0.001





 NOM DE LA STATION - MAAS RIVER AT BELGIAN FRONTIER NUMERO DE LA STATION 046005
 PAYS - PAYS-BAS                                    PROFONDEUR(M)       5.5
 LOCATION - OCT. 3  LAT. 50/46/12  LONG. 005/40/48  ELEVATION(M)  44.0
 CENTRE REGIONAL - EURA                             TYPE D'EAU   RIVIERE    

 PERIODE DEMANDEE  - 1985-01-01 TO 1987-12-31
 PERIODE DE RELEVEMENT  - 1985-01-01 TO 1987-12-31

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                             COND SPEC.         TEMP        TRANS          COT
                                                                              
                                  02041        02061        02076        06001
                                  uS/cm           oC        METRE       mg/L C


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         47          148           22          149
 MOYENNE                           464.         13.7          0.6           6.
 MINIMUM                           260.          1.6          0.1           3.
 DATE DU MINIMUM             1987-10-20   1987-01-13   1986-09-25   1985-02-21
 10 IEME CENTILE                   340.          5.4          0.4           4.
 MEDIANE                           460.         14.1          0.6           6.
 90 IEME CENTILE                   579.         21.8          0.9           9.
 MAXIMUM                           820.         25.5          1.4          26.
 DATE DU MAXIMUM             1987-09-01   1986-07-03   1985-10-29   1986-04-01
 ECART TYPE                        105.          6.2          0.3           3.




                                     CN     CHLORA A       N Kjel       NO3NO2
                                                                              
                                  06606        06711        07004        07105
                                mg/L CN         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         64           60          144          149
 MOYENNE                          0.003       0.0130          1.5         2.99
 MINIMUM                          0.000       0.0010          0.8         1.47
 DATE DU MINIMUM             1985-05-28   1987-02-03   1985-04-25   1985-10-15
 10 IEME CENTILE                  0.000       0.0020          0.9         2.35
 MEDIANE                          0.002       0.0100          1.4         2.92
 90 IEME CENTILE                  0.006       0.0290          2.2         3.71
 MAXIMUM                          0.016       0.0533          3.3         4.30
 DATE DU MAXIMUM             1986-04-28   1985-10-15   1986-04-01   1986-01-21
 ECART TYPE                       0.003       0.0111          0.5         0.53




                                    NH3       F DISS           pH     MAT.SUSP
                                                                         105oC
                                  07555        09105        10302        10401
                                 mg/L N       mg/L F 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        149           62          150          122
 MOYENNE                           0.54          0.6          7.7          34.
 MINIMUM                           0.03          0.0          7.2           4.
 DATE DU MINIMUM             1986-05-22   1987-06-30   1985-03-05   1985-10-29
 10 IEME CENTILE                   0.19          0.2          7.4          10.
 MEDIANE                           0.45          0.4          7.6          18.
 90 IEME CENTILE                   1.01          1.1          7.9          63.
 MAXIMUM                           1.89          2.4          8.8         274.
 DATE DU MAXIMUM             1985-10-29   1985-10-15   1986-08-14   1986-10-23
 ECART TYPE                        0.35          0.4          0.2          45.





                                Na DISS      Mg DISS    SIL REACT P ORTHO DISS
                                                                              
                                  11102        12103        14101        15255
                                mg/L Na      mg/L Mg    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         74           64          150          148
 MOYENNE                            24.           7.         2.77        0.293
 MINIMUM                             3.           4.         0.03        0.076
 DATE DU MINIMUM             1987-07-07   1987-10-20   1986-08-05   1986-04-01
 10 IEME CENTILE                    11.           5.         1.24        0.103
 MEDIANE                            22.           7.         3.03        0.239
 90 IEME CENTILE                    40.           8.         3.68        0.518
 MAXIMUM                            56.          10.         4.17        1.075
 DATE DU MAXIMUM             1985-10-15   1986-10-14   1985-11-12   1985-10-24
 ECART TYPE                         11.           1.         0.93        0.198




                                P TOTAL      SULFATE      Cl DISS      ALDRINE
                                                                              
                                  15405        16303        17203        18130
                                 mg/L P     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        147           62          148           33
 MOYENNE                          0.527          40.          46.        0.000
 MINIMUM                          0.220          22.          13.        0.000
 DATE DU MINIMUM             1986-02-04   1987-01-13   1987-10-20   1985-02-05
 10 IEME CENTILE                  0.260          29.          23.        0.000
 MEDIANE                          0.440          38.          38.        0.000
 90 IEME CENTILE                  0.873          54.          78.        0.000
 MAXIMUM                          1.470          75.         133.        0.000
 DATE DU MAXIMUM             1986-04-01   1986-10-14   1985-11-12   1987-12-15
 ECART TYPE                       0.267          10.          24.        0.000




                              DIELDRINE         PCBS       K DISS      Ca DISS
                                                                              
                                  18150        18165        19102        20105
                                   ug/L         ug/L       mg/L K      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           33           74           62
 MOYENNE                          0.000        0.005          3.1       65.242
 MINIMUM                          0.000        0.000          1.5       42.000
 DATE DU MINIMUM             1985-02-05   1985-10-15   1986-02-04   1987-10-20
 10 IEME CENTILE                  0.000        0.000          2.0       52.000
 MEDIANE                          0.000        0.006          3.0       66.000
 90 IEME CENTILE                  0.001        0.008          4.2       75.800
 MAXIMUM                          0.002        0.012          5.8       86.000
 DATE DU MAXIMUM             1987-10-20   1986-06-24   1985-10-29   1986-10-14
 ECART TYPE                       0.001        0.003          0.8        9.540




                               Cr TOTAL      Cr DISS     Mn TOTAL     Fe TOTAL
                                                                              
                                  24002        24052        25005        26004
                                mg/L Cr      mg/L Cr      mg/L Mn      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         73           75          105          109
 MOYENNE                          0.009        0.002         0.12         1.40
 MINIMUM                          0.002        0.000         0.04         0.24
 DATE DU MINIMUM             1985-05-28   1985-02-05   1987-12-29   1986-10-14
 10 IEME CENTILE                  0.003        0.001         0.06         0.48
 MEDIANE                          0.007        0.001         0.09         0.84
 90 IEME CENTILE                  0.017        0.004         0.19         2.67
 MAXIMUM                          0.079        0.024         0.73        10.65
 DATE DU MAXIMUM             1987-03-31   1987-09-22   1986-01-16   1986-10-23
 ECART TYPE                       0.010        0.003         0.11         1.54




                                Fe DISS     Cu TOTAL      Cu DISS     Zn TOTAL
                                                                              
                                  26104        29006        29105        30005
                                mg/L Fe      mg/L Cu      mg/L Cu      mg/L Zn


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         12           73           75          111
 MOYENNE                           0.01        0.007        0.003        0.094
 MINIMUM                           0.00        0.002        0.001        0.010
 DATE DU MINIMUM             1986-07-22   1987-01-13   1985-12-10   1986-05-27
 10 IEME CENTILE                   0.00        0.004        0.002        0.031
 MEDIANE                           0.01        0.006        0.003        0.069
 90 IEME CENTILE                   0.01        0.010        0.004        0.166
 MAXIMUM                           0.02        0.022        0.009        0.650
 DATE DU MAXIMUM             1985-07-23   1987-03-31   1987-01-27   1986-01-16
 ECART TYPE                        0.01        0.003        0.001        0.098




                                Zn DISS     As TOTAL      As DISS    COL. FEC.
                                                                              
                                  30104        33007        33104        36011
                                mg/L Zn      mg/L As      mg/L As    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         75           74           76           64
 MOYENNE                          0.019        0.002        0.001        4583.
 MINIMUM                          0.002        0.001        0.000          48.
 DATE DU MINIMUM             1986-05-27   1985-02-05   1987-03-03   1986-08-05
 10 IEME CENTILE                  0.005        0.001        0.001         197.
 MEDIANE                          0.013        0.002        0.001        2350.
 90 IEME CENTILE                  0.038        0.003        0.002        7860.
 MAXIMUM                          0.108        0.004        0.003       60000.
 DATE DU MAXIMUM             1987-02-25   1987-03-03   1985-10-15   1985-05-14
 ECART TYPE                       0.017        0.001        0.001        8721.




                               Cd TOTAL      Cd DISS     Hg TOTAL      Hg DISS
                                                                              
                                  48001        48101        80011        80111
                                mg/L Cd      mg/L Cd      ug/L Hg      ug/L Hg


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         74           76           74           76
 MOYENNE                          0.001        0.000        0.060        0.009
 MINIMUM                          0.000        0.000        0.010        0.000
 DATE DU MINIMUM             1985-03-05   1985-02-05   1986-08-19   1986-02-04
 10 IEME CENTILE                  0.000        0.000        0.020        0.000
 MEDIANE                          0.001        0.000        0.050        0.010
 90 IEME CENTILE                  0.003        0.000        0.096        0.020
 MAXIMUM                          0.005        0.003        0.230        0.040
 DATE DU MAXIMUM             1987-05-06   1987-01-27   1987-03-31   1987-06-02
 ECART TYPE                       0.001        0.000        0.043        0.008




                               Pb TOTAL      Pb DISS   DEBIT INST.
                                                                 
                                  82001        82101        97160
                                mg/L Pb      mg/L Pb         M3/S


 NO. DE VALEURS - MENTION L           0            0            0
 NO. DE VALEURS - MENTION G           0            0            0
 NO. DE VALEURS SANS MENTION         74           76         1095
 MOYENNE                          0.008        0.000        270.9
 MINIMUM                          0.002        0.000          6.0
 DATE DU MINIMUM             1985-11-12   1985-02-05   1986-10-08
 10 IEME CENTILE                  0.004        0.000         55.0
 MEDIANE                          0.007        0.000        200.0
 90 IEME CENTILE                  0.015        0.001        561.5
 MAXIMUM                          0.023        0.002       1655.0
 DATE DU MAXIMUM             1987-08-04   1987-12-08   1986-04-01
 ECART TYPE                       0.005        0.001        231.7





 NOM DE LA STATION - IJSSELMEER                     NUMERO DE LA STATION 046006
 PAYS - PAYS-BAS                                    PROFONDEUR(M)       3.5
 LOCATION - OCT. 3  LAT. 52/43/48  LONG. 005/18/00  ELEVATION(M)   0.0
 CENTRE REGIONAL - EURA                             TYPE D'EAU   LAC/RESERVO

 PERIODE DEMANDEE  - 1985-01-01 TO 1987-12-31
 PERIODE DE RELEVEMENT  - 1985-01-03 TO 1987-12-16

 LES STATISTIQUES INCLUENT TOUTES LES DONNEES AVEC MENTION TELLES QUE RAPPORTEES


                             COND SPEC.         TEMP        TRANS          COT
                                                                              
                                  02041        02061        02076        06001
                                  uS/cm           oC        METRE       mg/L C


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         58           60           54           60
 MOYENNE                           778.         11.9          0.6          12.
 MINIMUM                           600.          1.0          0.2           8.
 DATE DU MINIMUM             1986-04-22   1987-02-25   1985-09-17   1985-04-24
 10 IEME CENTILE                   680.          3.0          0.3           8.
 MEDIANE                           770.         13.5          0.5          12.
 90 IEME CENTILE                   880.         18.5          0.8          17.
 MAXIMUM                          1050.         24.5          1.4          25.
 DATE DU MAXIMUM             1985-12-18   1986-07-02   1987-11-04   1986-04-22
 ECART TYPE                         89.          5.8          0.2           3.




                                     CN     CHLORA A       N Kjel       NO3NO2
                                                                              
                                  06606        06711        07004        07105
                                mg/L CN         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           38           59           60
 MOYENNE                          0.008       0.0801          2.0         2.18
 MINIMUM                          0.000       0.0220          0.8         0.03
 DATE DU MINIMUM             1986-06-04   1987-11-04   1986-04-22   1986-10-06
 10 IEME CENTILE                  0.000       0.0239          1.2         0.21
 MEDIANE                          0.001       0.0708          2.2         1.72
 90 IEME CENTILE                  0.001       0.1459          2.7         4.57
 MAXIMUM                          0.094       0.1788          3.3         5.74
 DATE DU MAXIMUM             1985-06-12   1985-09-17   1985-09-04   1986-01-28
 ECART TYPE                       0.027       0.0471          0.5         1.67




                                    NH3       F DISS           pH     MAT.SUSP
                                                                         105oC
                                  07555        09105        10302        10401
                                 mg/L N       mg/L F 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         60           12           60           60
 MOYENNE                           0.12          0.2          8.6          33.
 MINIMUM                           0.00          0.2          7.2           7.
 DATE DU MINIMUM             1987-07-15   1985-04-11   1987-07-01   1986-05-01
 10 IEME CENTILE                   0.01          0.2          8.0          12.
 MEDIANE                           0.06          0.2          8.7          29.
 90 IEME CENTILE                   0.39          0.2          9.1          63.
 MAXIMUM                           0.64          0.2          9.5         121.
 DATE DU MAXIMUM             1987-02-25   1987-08-26   1986-07-02   1986-04-22
 ECART TYPE                        0.16          0.0          0.4          21.




                                Na DISS      Mg DISS    SIL REACT P ORTHO DISS
                                                                              
                                  11102        12103        14101        15255
                                mg/L Na      mg/L Mg    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         28           10           60           60
 MOYENNE                            88.          12.         0.85        0.084
 MINIMUM                            67.          11.         0.00        0.010
 DATE DU MINIMUM             1987-04-08   1985-10-02   1987-08-26   1986-10-06
 10 IEME CENTILE                    69.          11.         0.09        0.016
 MEDIANE                            90.          12.         0.41        0.072
 90 IEME CENTILE                   102.          12.         2.30        0.158
 MAXIMUM                           119.          13.         3.57        0.257
 DATE DU MAXIMUM             1985-12-18   1985-04-11   1986-01-28   1985-12-18
 ECART TYPE                         14.           1.         0.94        0.056




                                P TOTAL      SULFATE      Cl DISS      ALDRINE
                                                                              
                                  15405        16303        17203        18130
                                 mg/L P     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         59           14           60           16
 MOYENNE                          0.252          78.         155.        0.000
 MINIMUM                          0.100          61.          86.        0.000
 DATE DU MINIMUM             1987-11-04   1987-08-26   1986-04-22   1985-04-11
 10 IEME CENTILE                  0.140          66.         121.        0.000
 MEDIANE                          0.240          80.         160.        0.000
 90 IEME CENTILE                  0.380          82.         185.        0.000
 MAXIMUM                          0.480          92.         214.        0.004
 DATE DU MAXIMUM             1986-01-28   1985-04-11   1985-12-18   1987-12-16
 ECART TYPE                       0.082           7.          28.        0.001




                              DIELDRINE         PCBS       K DISS      Ca DISS
                                                                              
                                  18150        18165        19102        20105
                                   ug/L         ug/L       mg/L K      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         16           16           28           12
 MOYENNE                          0.000        0.000          7.5       61.417
 MINIMUM                          0.000        0.000          6.0       32.000
 DATE DU MINIMUM             1985-04-11   1985-04-11   1987-09-23   1985-11-27
 10 IEME CENTILE                  0.000        0.000          6.4       34.800
 MEDIANE                          0.000        0.000          7.4       59.000
 90 IEME CENTILE                  0.000        0.000          8.3       80.000
 MAXIMUM                          0.000        0.003          9.1       82.000
 DATE DU MAXIMUM             1987-12-16   1986-06-04   1986-01-16   1985-04-11
 ECART TYPE                       0.000        0.001          0.8       15.192





                               Cr TOTAL      Cr DISS     Mn TOTAL     Fe TOTAL
                                                                              
                                  24002        24052        25005        26004
                                mg/L Cr      mg/L Cr      mg/L Mn      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         13           13           13           13
 MOYENNE                          0.003        0.001         0.06         0.49
 MINIMUM                          0.001        0.000         0.03         0.17
 DATE DU MINIMUM             1986-09-24   1985-11-27   1986-07-30   1987-09-23
 10 IEME CENTILE                  0.001        0.000         0.03         0.21
 MEDIANE                          0.003        0.000         0.05         0.49
 90 IEME CENTILE                  0.007        0.001         0.09         0.69
 MAXIMUM                          0.009        0.002         0.09         1.04
 DATE DU MAXIMUM             1985-08-07   1985-08-07   1985-06-12   1986-06-04
 ECART TYPE                       0.003        0.001         0.02         0.23




                                Fe DISS     Cu TOTAL      Cu DISS     Zn TOTAL
                                                                              
                                  26104        29006        29105        30005
                                mg/L Fe      mg/L Cu      mg/L Cu      mg/L Zn


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         11           13           13           13
 MOYENNE                           0.01        0.006        0.003        0.013
 MINIMUM                           0.00        0.003        0.002        0.001
 DATE DU MINIMUM             1986-09-24   1985-06-12   1985-06-12   1987-09-23
 10 IEME CENTILE                   0.00        0.003        0.002        0.002
 MEDIANE                           0.01        0.003        0.002        0.011
 90 IEME CENTILE                   0.02        0.012        0.004        0.021
 MAXIMUM                           0.03        0.019        0.006        0.042
 DATE DU MAXIMUM             1986-07-30   1985-10-02   1985-10-02   1986-06-04
 ECART TYPE                        0.01        0.005        0.001        0.011




                                Zn DISS     As TOTAL      As DISS    COL. FEC.
                                                                              
                                  30104        33007        33104        36011
                                mg/L Zn      mg/L As      mg/L As    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         13           13           13           27
 MOYENNE                          0.002        0.002        0.002          24.
 MINIMUM                          0.001        0.001        0.001           0.
 DATE DU MINIMUM             1985-08-07   1987-04-08   1985-04-11   1985-04-11
 10 IEME CENTILE                  0.001        0.001        0.001           0.
 MEDIANE                          0.001        0.002        0.002           0.
 90 IEME CENTILE                  0.004        0.002        0.002          15.
 MAXIMUM                          0.005        0.003        0.002         540.
 DATE DU MAXIMUM             1985-06-12   1985-08-07   1985-11-27   1987-07-01
 ECART TYPE                       0.001        0.000        0.001         104.





                               Cd TOTAL      Cd DISS     Hg TOTAL      Hg DISS
                                                                              
                                  48001        48101        80011        80111
                                mg/L Cd      mg/L Cd      ug/L Hg      ug/L Hg


 NO. DE VALEURS - MENTION L           0            0            0            0
 NO. DE VALEURS - MENTION G           0            0            0            0
 NO. DE VALEURS SANS MENTION         13           13           12           12
 MOYENNE                          0.000        0.000        0.028        0.006
 MINIMUM                          0.000        0.000        0.000        0.000
 DATE DU MINIMUM             1985-04-11   1985-04-11   1986-09-24   1986-06-04
 10 IEME CENTILE                  0.000        0.000        0.002        0.000
 MEDIANE                          0.000        0.000        0.025        0.005
 90 IEME CENTILE                  0.000        0.000        0.047        0.010
 MAXIMUM                          0.000        0.000        0.060        0.020
 DATE DU MAXIMUM             1987-11-18   1987-11-18   1986-06-04   1985-10-02
 ECART TYPE                       0.000        0.000        0.018        0.007




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


 NO. DE VALEURS - MENTION L           0            0
 NO. DE VALEURS - MENTION G           0            0
 NO. DE VALEURS SANS MENTION         13           13
 MOYENNE                          0.002        0.000
 MINIMUM                          0.001        0.000
 DATE DU MINIMUM             1985-10-02   1985-04-11
 10 IEME CENTILE                  0.001        0.000
 MEDIANE                          0.002        0.000
 90 IEME CENTILE                  0.003        0.000
 MAXIMUM                          0.004        0.001
 DATE DU MAXIMUM             1986-06-04   1987-04-08
 ECART TYPE                       0.001        0.000



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