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STATISTICS FOR JAPAN

STATISTICS FOR JAPAN


GEMS/WATER - STATISTICAL SUMMARY BY STATION     2002-01-30   PAGE 242

 STATION - TOYOHIRA RIVER AT SHIRAIKAWA             STATION NO. 080001
 COUNTRY - JAPAN                                    DEPTH(M)       5.5
 LOCATION - OCT. 2  LAT. 42/57/48  LONG. 141/16/22  ELEVATION(M) 149.5
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-04 TO 1996-12-24

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                           SUM OF     SUM OF       ELEC       TEMP     NO3NO2
                          CATIONS     ANIONS       COND                      
                            00120      00125      02041      02061      07105
                            MEQ/L      MEQ/L      us/cm      deg C     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          2        155        154         11
 MEAN                       1.062      1.064       124.        8.3       0.18
 MINIMUM                                            59.        0.0       0.14
 DATE OF MINIMUM                             1994-05-30 1996-01-18 1994-02-07
 10TH PERCENTILE                                    79.        2.6       0.14
 MEDIAN                                            122.        6.8       0.15
 90TH PERCENTILE                                   167.       16.7       0.25
 MAXIMUM                                           200.       20.4       0.32
 DATE OF MAXIMUM                             1994-10-17 1994-09-05 1994-09-12
 STANDARD DEVIATION                                 31.        5.4       0.06




                           NO3NO2        NH3    PERCENT         O2         O2
                                                 DO SAT       DISS       DISS
                            07316      07555      08001      08101      08102
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        9        147          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       15          7         34          8         27
 MEAN                        0.44       0.02        94.       11.2       10.6
 MINIMUM                     0.01       0.02        77.        9.7        9.0
 DATE OF MINIMUM       1995-04-10 1994-01-04 1996-01-08 1994-08-01 1996-08-07
 10TH PERCENTILE             0.09       0.02        83.                   9.0
 MEDIAN                      0.19       0.02        93.       10.0       10.7
 90TH PERCENTILE             1.00       0.02       103.                  12.0
 MAXIMUM                     1.00       0.07       115.       14.0       13.0
 DATE OF MAXIMUM       1996-12-02 1996-01-18 1996-09-09 1994-03-07 1996-03-04
 STANDARD DEVIATION          0.41       0.01         8.        1.8        1.0




                              BOD          F          F        ALK         pH
                                        DISS       DISS      TOTAL           
                            08201      09107      09116      10102      10302
                          mg/L O2     mg/L F     mg/L F       mg/L   pH UNITS


 NO. OF L-FLAGGED VALUES        4          0          1          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       32          4          7         35        153
 MEAN                          2.        0.1        0.0      17.56        7.0
 MINIMUM                       1.        0.0        0.0      10.00        6.8
 DATE OF MINIMUM       1994-02-07 1994-10-12 1995-01-09 1994-05-09 1994-04-04
 10TH PERCENTILE               1.                            11.50        6.9
 MEDIAN                        2.        0.1        0.0      18.00        7.0
 90TH PERCENTILE               2.                            20.50        7.1
 MAXIMUM                       3.        0.1        0.1      27.00        7.2
 DATE OF MAXIMUM       1994-11-07 1994-07-11 1995-10-02 1995-01-09 1994-10-03
 STANDARD DEVIATION            1.        0.1        0.0       3.66        0.1




                         SUSP SOL         Na         Mg         Mg         Al
                          105 DEG       DISS       DISS       DISS      TOTAL
                            10401      11115      12102      12115      13002
                             mg/L    mg/L Na    mg/L Mg    mg/L Mg    mg/L Al


 NO. OF L-FLAGGED VALUES        5          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       30         33          1          9          9
 MEAN                         11.        10.         3.         2.      0.571
 MINIMUM                       1.         4.                    1.      0.100
 DATE OF MINIMUM       1994-02-07 1996-06-03            1996-07-08 1994-02-07
 10TH PERCENTILE               1.         6.                                 
 MEDIAN                        3.        10.                    2.      0.320
 90TH PERCENTILE              10.        15.                                 
 MAXIMUM                     239.        16.                    3.      3.000
 DATE OF MAXIMUM       1994-11-07 1996-09-09            1996-04-08 1994-05-09
 STANDARD DEVIATION           40.         3.                    1.      0.934




                               Al   SULPHATE         Cl          K          K
                            TOTAL                  DISS       DISS       DISS
                            13009      16309      17204      19102      19115
                          mg/L Al   mg/L SO4    mg/L Cl     mg/L K     mg/L K


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         12         30          2          8
 MEAN                       0.239        14.        19.        2.5        1.8
 MINIMUM                    0.050        10.         9.                   1.1
 DATE OF MINIMUM       1995-07-12 1996-07-08 1995-05-15            1996-07-08
 10TH PERCENTILE            0.058        10.        11.                      
 MEDIAN                     0.160        14.        18.                   1.6
 90TH PERCENTILE            0.350        16.        28.                      
 MAXIMUM                    1.950        19.        30.                   2.6
 DATE OF MAXIMUM       1994-11-07 1996-04-08 1996-09-09            1996-04-08
 STANDARD DEVIATION         0.378         2.         6.                   0.6




                               Ca         Cr         Cr         Cr         Cr
                             DISS      TOTAL      TOTAL       DISS       DISS
                            20115      24002      24009      24052      24111
                          mg/L Ca    mg/L Cr    mg/L Cr    mg/L Cr    mg/L Cr


 NO. OF L-FLAGGED VALUES        0          7          6          3         21
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       14          0          0          0          0
 MEAN                       8.357      0.004      0.005      0.005      0.002
 MINIMUM                    4.600      0.001      0.005                 0.001
 DATE OF MINIMUM       1994-07-11 1994-03-07 1994-10-12            1995-07-12
 10TH PERCENTILE            5.200                                       0.001
 MEDIAN                     8.250      0.005      0.005                 0.001
 90TH PERCENTILE           10.000                                       0.005
 MAXIMUM                   11.000      0.005      0.005                 0.005
 DATE OF MAXIMUM       1996-04-08 1994-02-07 1995-03-06            1995-06-12
 STANDARD DEVIATION         1.779      0.002      0.000                 0.001




                               Mn         Mn         Fe         Fe         Ni
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            25004      25010      26002      26009      28001
                          mg/L Mn    mg/L Mn    mg/L Fe    mg/L Fe    mg/L Ni


 NO. OF L-FLAGGED VALUES        0          1          0          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        9         26          3          9          0
 MEAN                        0.03       0.04       0.19       0.15      0.005
 MINIMUM                     0.01       0.01                  0.01           
 DATE OF MINIMUM       1994-07-11 1995-01-09            1995-01-09           
 10TH PERCENTILE                        0.02                                 
 MEDIAN                      0.04       0.04                  0.11           
 90TH PERCENTILE                        0.04                                 
 MAXIMUM                     0.06       0.23                  0.25           
 DATE OF MAXIMUM       1994-01-10 1994-11-07            1996-04-08           
 STANDARD DEVIATION          0.02       0.04                  0.08           




                               Cu         Zn         Zn         As         Se
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            29006      30004      30009      33007      34002
                          mg/L Cu    mg/L Zn    mg/L Zn    mg/L As    mg/L Se


 NO. OF L-FLAGGED VALUES       12          0          1          0         29
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          1          8         36          1
 MEAN                       0.025      0.016      0.010      0.013      0.003
 MINIMUM                    0.010                 0.005      0.003      0.001
 DATE OF MINIMUM       1994-01-10            1995-01-09 1996-06-03 1994-10-12
 10TH PERCENTILE            0.010                            0.004      0.001
 MEDIAN                     0.010                 0.010      0.012      0.001
 90TH PERCENTILE            0.073                            0.024      0.002
 MAXIMUM                    0.100                 0.021      0.026      0.050
 DATE OF MAXIMUM       1996-10-07            1995-04-10 1994-11-07 1995-11-06
 STANDARD DEVIATION         0.035                 0.005      0.007      0.009




                         COLIFORM   FAEC COL         Cd         Ba         Pb
                            TOTAL                 TOTAL      TOTAL      TOTAL
                            36001      36011      48001      80011      82001
                         No/100ml   No/100ml    mg/L Cd    ug/L Hg    mg/L Pb


 NO. OF L-FLAGGED VALUES        0          0         36         36          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES      151         34          0          0          0
 MEAN                       1324.        73.      0.001      0.050      0.005
 MINIMUM                      23.         0.      0.001      0.050           
 DATE OF MINIMUM       1994-05-16 1996-02-13 1996-07-08 1994-01-10           
 10TH PERCENTILE              79.         3.      0.001      0.050           
 MEDIAN                      490.        21.      0.001      0.050           
 90TH PERCENTILE            3300.       110.      0.001      0.050           
 MAXIMUM                   24000.      1300.      0.001      0.050           
 DATE OF MAXIMUM       1994-11-07 1994-10-17 1996-06-03 1996-12-02           
 STANDARD DEVIATION         2459.       222.      0.000      0.000           




                               Pb         Pb    BENZENE       INST
                            TOTAL      TOTAL                DISCHG
                            82002      82911      95100      97160
                          mg/L Pb    mg/L Pb       ug/L       m3/S


 NO. OF L-FLAGGED VALUES        9         24         34          0
 NO. OF G-FLAGGED VALUES        0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          1        155
 MEAN                       0.005      0.005        0.5       29.5
 MINIMUM                    0.005      0.005        0.5       10.8
 DATE OF MINIMUM       1994-01-10 1995-01-09 1994-01-10 1996-09-18
 10TH PERCENTILE                       0.005        0.5       13.9
 MEDIAN                     0.005      0.005        0.5       19.0
 90TH PERCENTILE                       0.005        0.5       69.2
 MAXIMUM                    0.005      0.005        0.5      132.0
 DATE OF MAXIMUM       1994-09-12 1996-12-02 1996-12-02 1996-05-27
 STANDARD DEVIATION         0.000      0.000        0.0       24.7





 STATION - TONE RIVER AT TONE-OZEKI                 STATION NO. 080003
 COUNTRY - JAPAN                                    DEPTH(M)       2.1
 LOCATION - OCT. 2  LAT. 36/10/50  LONG. 139/28/30  ELEVATION(M)  22.4
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-11 TO 1996-12-03

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                           SUM OF     SUM OF       ELEC       TEMP          B
                          CATIONS     ANIONS       COND                 TOTAL
                            00120      00125      02041      02061      05009
                            MEQ/L      MEQ/L      us/cm      deg C     mg/L B


 NO. OF L-FLAGGED VALUES        0          0          0          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12         12         36         36          0
 MEAN                       2.072      1.875       224.       14.3        0.1
 MINIMUM                    1.084      1.090       118.        3.7           
 DATE OF MINIMUM       1996-05-14 1996-05-14 1994-05-10 1995-01-17           
 10TH PERCENTILE            1.134      1.101       131.        6.4           
 MEDIAN                     2.187      1.882       247.       12.8           
 90TH PERCENTILE            2.692      2.574       283.       23.4           
 MAXIMUM                    3.048      2.701       303.       28.4           
 DATE OF MAXIMUM       1995-10-17 1995-10-17 1994-12-06 1994-08-09           
 STANDARD DEVIATION         0.594      0.603        55.        6.6           




                                B          B          B   ORG CARB    PHENOLS
                            TOTAL      TOTAL       DISS       DISS           
                            05090      05107      05190      06101      06532
                           mg/L B     mg/L B     mg/L B     mg/L C       mg/L


 NO. OF L-FLAGGED VALUES       10          1         10          0         28
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          0          1         12          0
 MEAN                         0.1        0.1        0.1        1.8      5.000
 MINIMUM                      0.0                   0.0        1.0      5.000
 DATE OF MINIMUM       1994-06-14            1994-06-14 1996-05-14 1994-02-08
 10TH PERCENTILE              0.0                   0.0        1.1      5.000
 MEDIAN                       0.1                   0.1        1.7      5.000
 90TH PERCENTILE              0.1                   0.1        2.4      5.000
 MAXIMUM                      0.1                   0.1        2.9      5.000
 DATE OF MAXIMUM       1996-10-01            1996-10-01 1996-10-01 1996-12-03
 STANDARD DEVIATION           0.0                   0.0        0.5      0.000




                         CHLORO A     NO3NO2     NO3NO2     ORG. N        NH3
                                                              DISS           
                            06711      07105      07316      07403      07551
                             mg/L     mg/L N     mg/L N     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0         13          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12          3         19          9          9
 MEAN                      0.0110       1.83       2.04        0.1       0.15
 MINIMUM                   0.0033                  0.74        0.1       0.03
 DATE OF MINIMUM       1994-05-10            1994-05-10 1994-01-11 1994-08-09
 10TH PERCENTILE           0.0037                  0.81        0.1           
 MEDIAN                    0.0106                  1.86        0.1       0.11
 90TH PERCENTILE           0.0171                  3.09        0.2           
 MAXIMUM                   0.0227                  3.60        0.3       0.29
 DATE OF MAXIMUM       1995-05-16            1994-09-20 1995-05-16 1994-07-19
 STANDARD DEVIATION        0.0058                  0.85        0.1       0.09



                              NH3    PERCENT         O2        BOD          F
                                      DO SAT       DISS                  DISS
                            07555      08001      08101      08201      09104
                           mg/L N    PERCENT    mg/L O2    mg/L O2     mg/L F


 NO. OF L-FLAGGED VALUES        0          0          0          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       27         32         32         35          1
 MEAN                        0.26        95.        9.8         2.        0.2
 MINIMUM                     0.05        67.        5.4         1.           
 DATE OF MINIMUM       1996-08-13 1996-07-16 1996-07-16 1994-01-11           
 10TH PERCENTILE             0.07        85.        7.3         1.           
 MEDIAN                      0.22        94.        9.5         2.           
 90TH PERCENTILE             0.44       106.       12.5         2.           
 MAXIMUM                     0.51       119.       13.7         4.           
 DATE OF MAXIMUM       1996-03-05 1996-02-13 1996-02-13 1996-07-16           
 STANDARD DEVIATION          0.14        10.        2.1         1.           




                                F        ALK         pH   SUSP SOL         Na
                             DISS      TOTAL               105 DEG       DISS
                            09116      10102      10300      10401      11103
                           mg/L F       mg/L   pH UNITS       mg/L    mg/L Na


 NO. OF L-FLAGGED VALUES        4          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        7         36         36         36         11
 MEAN                         0.1      31.00        7.2        21.        13.
 MINIMUM                      0.1      13.00        6.7         1.         4.
 DATE OF MINIMUM       1994-06-14 1996-06-11 1996-06-11 1994-02-08 1994-06-14
 10TH PERCENTILE              0.1      17.00        6.9         2.         4.
 MEDIAN                       0.1      32.25        7.2         8.        15.
 90TH PERCENTILE              0.2      39.60        7.5        49.        18.
 MAXIMUM                      0.2      46.00        7.6       186.        19.
 DATE OF MAXIMUM       1995-02-14 1994-08-09 1996-02-13 1994-07-19 1994-12-06
 STANDARD DEVIATION           0.0       7.89        0.2        35.         5.




                               Na        SAR         Mg         Mg         Al
                             DISS                  DISS       DISS      TOTAL
                            11115      11201      12103      12111      13002
                          mg/L Na   REL.UNIT    mg/L Mg    mg/L Mg    mg/L Al


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1         12         11          1          1
 MEAN                         16.      0.973         5.         5.      0.440
 MINIMUM                               0.206         2.                      
 DATE OF MINIMUM                  1994-06-14 1996-05-14                      
 10TH PERCENTILE                       0.259         2.                      
 MEDIAN                                0.732         5.                      
 90TH PERCENTILE                       0.862         6.                      
 MAXIMUM                               4.600        12.                      
 DATE OF MAXIMUM                  1994-02-08 1994-06-14                      
 STANDARD DEVIATION                    1.158         3.                      




                               Al         Al         Al         Si         Si
                            TOTAL       DISS       DISS   REACTIVE   REACTIVE
                            13090      13102      13190      14019      14101
                          mg/L Al    mg/L Al    mg/L Al   mg/LSiO2   mg/LSiO2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       11          1         11          1         11
 MEAN                       0.467      0.010      0.092      22.00      21.15
 MINIMUM                    0.190                 0.014                 16.00
 DATE OF MINIMUM       1996-05-14            1995-08-22            1996-08-13
 10TH PERCENTILE            0.195                 0.015                 16.10
 MEDIAN                     0.275                 0.020                 22.00
 90TH PERCENTILE            0.643                 0.075                 26.60
 MAXIMUM                    1.540                 0.740                 28.00
 DATE OF MAXIMUM       1994-06-14            1994-08-09            1995-10-17
 STANDARD DEVIATION         0.385                 0.216                  4.09




                                P    P TOTAL   SULPHATE   SULPHATE         Cl
                            TOTAL       DISS                             DISS
                            15405      15417      16302      16309      17204
                           mg/L P     mg/L P   mg/L SO4   mg/L SO4    mg/L Cl


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       22         22          1         11          3
 MEAN                       0.135      0.062        32.        33.        19.
 MINIMUM                    0.028      0.033                   19.           
 DATE OF MINIMUM       1996-05-14 1995-05-16            1995-05-16           
 10TH PERCENTILE            0.064      0.040                   19.           
 MEDIAN                     0.111      0.058                   36.           
 90TH PERCENTILE            0.203      0.084                   47.           
 MAXIMUM                    0.362      0.112                   48.           
 DATE OF MAXIMUM       1994-07-19 1995-03-22            1995-10-17           
 STANDARD DEVIATION         0.074      0.019                   10.           




                               Cl        DDT    LINDANE     ALDRIN   DIELDRIN
                             DISS      TOTAL                                 
                            17209      18002      18070      18130      18150
                          mg/L Cl       ug/L       ug/L       ug/L       ug/L


 NO. OF L-FLAGGED VALUES        0          2          1          2          2
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       19          0          1          0          0
 MEAN                         16.      0.001      0.001      0.001      0.001
 MINIMUM                       8.                                            
 DATE OF MINIMUM       1994-05-10                                            
 10TH PERCENTILE               8.                                            
 MEDIAN                       17.                                            
 90TH PERCENTILE              23.                                            
 MAXIMUM                      25.                                            
 DATE OF MAXIMUM       1994-12-06                                            
 STANDARD DEVIATION            6.                                            





                             PCBS          K         Ca         Ca         Ca
                                        DISS       DISS       DISS       DISS
                            18165      19103      20101      20103      20115
                             ug/L     mg/L K    mg/L Ca    mg/L Ca    mg/L Ca


 NO. OF L-FLAGGED VALUES        2          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         12          3          8          1
 MEAN                       0.050        2.9     20.260     20.548     19.191
 MINIMUM                                 1.4                10.750           
 DATE OF MINIMUM                  1996-05-14            1996-05-14           
 10TH PERCENTILE                         1.4                                 
 MEDIAN                                  2.8                20.950           
 90TH PERCENTILE                         3.9                                 
 MAXIMUM                                 5.1                33.750           
 DATE OF MAXIMUM                  1994-06-14            1995-10-17           
 STANDARD DEVIATION                      1.1                 7.807           




                               Cr         Cr         Cr         Cr         Mn
                            TOTAL      TOTAL       DISS       DISS      TOTAL
                            24009      24090      24111      24190      25010
                          mg/L Cr    mg/L Cr    mg/L Cr    mg/L Cr    mg/L Mn


 NO. OF L-FLAGGED VALUES        1         11          1         11          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          0          1
 MEAN                       0.005      0.005      0.005      0.005       0.06
 MINIMUM                               0.005                 0.005           
 DATE OF MINIMUM                  1994-06-14            1994-06-14           
 10TH PERCENTILE                       0.005                 0.005           
 MEDIAN                                0.005                 0.005           
 90TH PERCENTILE                       0.005                 0.005           
 MAXIMUM                               0.005                 0.005           
 DATE OF MAXIMUM                  1996-10-01            1996-10-01           
 STANDARD DEVIATION                    0.000                 0.000           




                               Mn         Mn         Mn         Fe         Fe
                            TOTAL       DISS       DISS      TOTAL      TOTAL
                            25090      25109      25190      26009      26090
                          mg/L Mn    mg/L Mn    mg/L Mn    mg/L Fe    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          1          3          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       11          0          8          1         11
 MEAN                        0.05       0.01       0.02       0.27       0.41
 MINIMUM                     0.03                  0.01                  0.16
 DATE OF MINIMUM       1996-05-14            1994-08-09            1994-12-06
 10TH PERCENTILE             0.03                  0.01                  0.16
 MEDIAN                      0.06                  0.01                  0.31
 90TH PERCENTILE             0.08                  0.04                  0.86
 MAXIMUM                     0.08                  0.05                  0.94
 DATE OF MAXIMUM       1995-05-16            1996-02-13            1995-05-16
 STANDARD DEVIATION          0.02                  0.02                  0.28




                               Fe         Fe         Ni         Ni         Ni
                             DISS       DISS      TOTAL      TOTAL       DISS
                            26109      26190      28009      28090      28109
                          mg/L Fe    mg/L Fe    mg/L Ni    mg/L Ni    mg/L Ni


 NO. OF L-FLAGGED VALUES        0          2          0          8          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          9          1          3          1
 MEAN                        0.03       0.02      0.024      0.008      0.023
 MINIMUM                                0.01                 0.005           
 DATE OF MINIMUM                  1994-12-06            1994-08-09           
 10TH PERCENTILE                        0.01                 0.005           
 MEDIAN                                 0.01                 0.005           
 90TH PERCENTILE                        0.03                 0.006           
 MAXIMUM                                0.03                 0.040           
 DATE OF MAXIMUM                  1994-08-09            1994-06-14           
 STANDARD DEVIATION                     0.01                 0.011           




                               Ni         Cu         Cu         Cu         Cu
                             DISS      TOTAL      TOTAL       DISS       DISS
                            28190      29009      29090      29109      29190
                          mg/L Ni    mg/L Cu    mg/L Cu    mg/L Cu    mg/L Cu


 NO. OF L-FLAGGED VALUES       10          0          6          1         11
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          5          0          0
 MEAN                       0.008      0.006      0.006      0.004      0.004
 MINIMUM                    0.005                 0.004                 0.004
 DATE OF MINIMUM       1994-08-09            1994-08-09            1994-06-14
 10TH PERCENTILE            0.005                 0.004                 0.004
 MEDIAN                     0.005                 0.004                 0.004
 90TH PERCENTILE            0.005                 0.008                 0.004
 MAXIMUM                    0.040                 0.020                 0.004
 DATE OF MAXIMUM       1994-06-14            1996-10-01            1996-10-01
 STANDARD DEVIATION         0.011                 0.005                 0.000




                               Zn         Zn         Zn         Zn         As
                            TOTAL      TOTAL       DISS       DISS      TOTAL
                            30009      30090      30109      30190      33008
                          mg/L Zn    mg/L Zn    mg/L Zn    mg/L Zn    mg/L As


 NO. OF L-FLAGGED VALUES        0          1          0          7          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1         10          1          4          0
 MEAN                       0.099      0.021      0.005      0.006      0.005
 MINIMUM                               0.005                 0.005           
 DATE OF MINIMUM                  1995-05-16            1994-08-09           
 10TH PERCENTILE                       0.005                 0.005           
 MEDIAN                                0.009                 0.005           
 90TH PERCENTILE                       0.027                 0.007           
 MAXIMUM                               0.110                 0.009           
 DATE OF MAXIMUM                  1994-08-09            1996-10-01           
 STANDARD DEVIATION                    0.030                 0.001           





                               As         As         As         Se         Se
                            TOTAL       DISS       DISS      TOTAL      TOTAL
                            33090      33108      33190      34008      34090
                          mg/L As    mg/L As    mg/L As    mg/L Se    mg/L Se


 NO. OF L-FLAGGED VALUES        6          1         11          0         11
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        5          0          0          1          0
 MEAN                       0.004      0.005      0.004      0.012      0.002
 MINIMUM                    0.002                 0.001                 0.002
 DATE OF MINIMUM       1996-02-13            1996-02-13            1994-06-14
 10TH PERCENTILE            0.002                 0.001                 0.002
 MEDIAN                     0.005                 0.005                 0.002
 90TH PERCENTILE            0.005                 0.005                 0.002
 MAXIMUM                    0.006                 0.005                 0.002
 DATE OF MAXIMUM       1995-05-16            1995-10-17            1996-10-01
 STANDARD DEVIATION         0.002                 0.002                 0.000




                               Se         Se   COLIFORM   FAEC COL         Cd
                             DISS       DISS      TOTAL                 TOTAL
                            34108      34190      36001      36011      48011
                          mg/L Se    mg/L Se   No/100ml   No/100ml    mg/L Cd


 NO. OF L-FLAGGED VALUES        0         11          0          1          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          0         36         11          0
 MEAN                       0.012      0.002    5.5E+04      1993.      0.005
 MINIMUM                               0.002    2.7E+02         1.           
 DATE OF MINIMUM                  1994-06-14 1996-02-13 1996-02-13           
 10TH PERCENTILE                       0.002    9.8E+02        16.           
 MEDIAN                                0.002    9.4E+03       195.           
 90TH PERCENTILE                       0.002    9.4E+04      7000.           
 MAXIMUM                               0.002    9.2E+05      9400.           
 DATE OF MAXIMUM                  1996-10-01 1995-07-11 1996-10-01           
 STANDARD DEVIATION                    0.000    1.6E+05      3406.           




                               Cd         Cd         Cd         Ba         Hg
                            TOTAL       DISS       DISS      TOTAL       DISS
                            48090      48109      48190      80011      80111
                          mg/L Cd    mg/L Cd    mg/L Cd    ug/L Hg    ug/L Hg


 NO. OF L-FLAGGED VALUES       10          1         11         12         12
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          0          0          0          0
 MEAN                       0.005      0.005      0.005      0.500      0.500
 MINIMUM                    0.005                 0.005      0.500      0.500
 DATE OF MINIMUM       1994-06-14            1994-06-14 1994-02-08 1994-02-08
 10TH PERCENTILE            0.005                 0.005      0.500      0.500
 MEDIAN                     0.005                 0.005      0.500      0.500
 90TH PERCENTILE            0.005                 0.005      0.500      0.500
 MAXIMUM                    0.005                 0.005      0.500      0.500
 DATE OF MAXIMUM       1996-10-01            1996-10-01 1996-10-01 1996-10-01
 STANDARD DEVIATION         0.000                 0.000      0.000      0.000



                               Pb         Pb         Pb         Pb    BENZENE
                            TOTAL      TOTAL       DISS       DISS           
                            82009      82090      82109      82190      95100
                          mg/L Pb    mg/L Pb    mg/L Pb    mg/L Pb       ug/L


 NO. OF L-FLAGGED VALUES        1         10          1         11          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          1          0          0          0
 MEAN                       0.005      0.005      0.005      0.005        0.5
 MINIMUM                               0.005                 0.005           
 DATE OF MINIMUM                  1994-06-14            1994-06-14           
 10TH PERCENTILE                       0.005                 0.005           
 MEDIAN                                0.005                 0.005           
 90TH PERCENTILE                       0.005                 0.005           
 MAXIMUM                               0.005                 0.005           
 DATE OF MAXIMUM                  1996-10-01            1996-10-01           
 STANDARD DEVIATION                    0.000                 0.000           




                             INST
                           DISCHG
                            97160
                             m3/S


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES       36
 MEAN                       169.6
 MINIMUM                     71.0
 DATE OF MINIMUM       1996-03-05
 10TH PERCENTILE             79.2
 MEDIAN                     135.0
 90TH PERCENTILE            266.0
 MAXIMUM                    670.0
 DATE OF MAXIMUM       1995-05-16
 STANDARD DEVIATION         116.7





 STATION - SUGINAMI FILTRATION PLANT                STATION NO. 080004
 COUNTRY - JAPAN                                    DEPTH(M)      14.0
 LOCATION - OCT. 2  LAT. 35/43/30  LONG. 139/35/30  ELEVATION(M)  42.6
 REGIONAL CENTRE - WPRA                             WATER TYPE   GROUNDWATER

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-02-02 TO 1996-11-20

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                           SUM OF     SUM OF       ELEC       TEMP          B
                          CATIONS     ANIONS       COND                 TOTAL
                            00120      00125      02041      02061      05009
                            MEQ/L      MEQ/L      us/cm      deg C     mg/L B


 NO. OF L-FLAGGED VALUES        0          0          0          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12         12         12         12          0
 MEAN                       2.408      2.195       251.       16.2        0.1
 MINIMUM                    2.221      1.444       240.       15.4           
 DATE OF MINIMUM       1994-11-09 1994-02-02 1995-05-10 1996-05-08           
 10TH PERCENTILE            2.225      1.589       240.       15.5           
 MEDIAN                     2.375      2.237       250.       16.5           
 90TH PERCENTILE            2.604      2.348       260.       16.6           
 MAXIMUM                    2.633      2.373       262.       16.9           
 DATE OF MAXIMUM       1995-11-08 1996-02-07 1994-08-03 1994-11-09           
 STANDARD DEVIATION         0.156      0.244         8.        0.4           




                                B          B          B    PHENOLS     NO3NO2
                            TOTAL      TOTAL       DISS                      
                            05090      05107      05190      06532      07105
                           mg/L B     mg/L B     mg/L B       mg/L     mg/L N


 NO. OF L-FLAGGED VALUES       11          1         11         12          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          0          1
 MEAN                         0.1        0.1        0.1      5.000       9.70
 MINIMUM                      0.1                   0.1      5.000           
 DATE OF MINIMUM       1994-05-11            1994-05-11 1994-02-02           
 10TH PERCENTILE              0.1                   0.1      5.000           
 MEDIAN                       0.1                   0.1      5.000           
 90TH PERCENTILE              0.1                   0.1      5.000           
 MAXIMUM                      0.1                   0.1      5.000           
 DATE OF MAXIMUM       1996-11-20            1996-11-20 1996-11-20           
 STANDARD DEVIATION           0.0                   0.0      0.000           




                           NO3NO2     ORG. N        NH3        NH3    PERCENT
                                        DISS                           DO SAT
                            07316      07403      07551      07555      08001
                           mg/L N     mg/L N     mg/L N     mg/L N    PERCENT


 NO. OF L-FLAGGED VALUES        0          9          1         10          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       11          1          0          1         12
 MEAN                        8.35        0.1       0.02       0.02        77.
 MINIMUM                     7.20        0.0                  0.02        67.
 DATE OF MINIMUM       1995-11-08 1994-05-11            1994-05-11 1995-02-08
 10TH PERCENTILE             7.21        0.0                  0.02        68.
 MEDIAN                      8.30        0.1                  0.02        78.
 90TH PERCENTILE             9.61        0.1                  0.02        81.
 MAXIMUM                    10.00        0.1                  0.02        84.
 DATE OF MAXIMUM       1994-05-11 1996-11-20            1996-11-20 1996-11-20
 STANDARD DEVIATION          0.92        0.0                  0.00         4.




                               O2        BOD          F          F        ALK
                             DISS                  DISS       DISS      TOTAL
                            08101      08201      09104      09116      10102
                          mg/L O2    mg/L O2     mg/L F     mg/L F       mg/L


 NO. OF L-FLAGGED VALUES        0          3          1         11          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12          0          0          0         12
 MEAN                         7.3         1.        0.1        0.1      41.21
 MINIMUM                      6.6                              0.1      39.50
 DATE OF MINIMUM       1995-02-08                       1994-05-11 1994-02-02
 10TH PERCENTILE              6.7                              0.1      39.50
 MEDIAN                       7.4                              0.1      41.50
 90TH PERCENTILE              7.7                              0.1      42.00
 MAXIMUM                      7.9                              0.1      42.50
 DATE OF MAXIMUM       1996-11-20                       1996-11-20 1995-02-08
 STANDARD DEVIATION           0.4                              0.0       1.03




                               pH   SUSP SOL         Na         Na        SAR
                                     105 DEG       DISS       DISS           
                            10300      10401      11103      11115      11201
                         pH UNITS       mg/L    mg/L Na    mg/L Na   REL.UNIT


 NO. OF L-FLAGGED VALUES        0         11          0          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12          1         11          1         11
 MEAN                         6.2         1.        12.        13.      0.765
 MINIMUM                      6.0         1.        11.                 0.510
 DATE OF MINIMUM       1994-05-11 1994-02-02 1994-11-09            1995-02-08
 10TH PERCENTILE              6.0         1.        11.                 0.510
 MEDIAN                       6.2         1.        12.                 0.526
 90TH PERCENTILE              6.2         1.        12.                 0.565
 MAXIMUM                      6.2         4.        12.                 3.327
 DATE OF MAXIMUM       1994-11-09 1995-11-08 1994-08-03            1994-02-02
 STANDARD DEVIATION           0.1         1.         0.                 0.807




                               Mg         Mg         Al         Al         Al
                             DISS       DISS      TOTAL      TOTAL       DISS
                            12103      12115      13002      13090      13102
                          mg/L Mg    mg/L Mg    mg/L Al    mg/L Al    mg/L Al


 NO. OF L-FLAGGED VALUES        0          0          1         11          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       11          1          0          0          0
 MEAN                         10.        10.      0.010      0.010      0.010
 MINIMUM                       9.                            0.010           
 DATE OF MINIMUM       1995-05-10                       1994-05-11           
 10TH PERCENTILE               9.                            0.010           
 MEDIAN                       10.                            0.010           
 90TH PERCENTILE              10.                            0.010           
 MAXIMUM                      10.                            0.010           
 DATE OF MAXIMUM       1995-02-08                       1996-11-20           
 STANDARD DEVIATION            0.                            0.000           




                               Al         Si         Si   SULPHATE   SULPHATE
                             DISS   REACTIVE   REACTIVE                      
                            13190      14019      14101      16302      16309
                          mg/L Al   mg/LSiO2   mg/LSiO2   mg/L SO4   mg/L SO4


 NO. OF L-FLAGGED VALUES       11          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          1         11          1         11
 MEAN                       0.010      26.00      25.64         9.        12.
 MINIMUM                    0.010                 25.00                    9.
 DATE OF MINIMUM       1994-05-11            1994-05-11            1994-08-03
 10TH PERCENTILE            0.010                 25.00                    9.
 MEDIAN                     0.010                 26.00                   12.
 90TH PERCENTILE            0.010                 26.00                   15.
 MAXIMUM                    0.010                 27.00                   15.
 DATE OF MAXIMUM       1996-11-20            1996-08-07            1996-02-07
 STANDARD DEVIATION         0.000                  0.67                    2.




                               Cl         Cl        DDT    LINDANE     ALDRIN
                             DISS       DISS      TOTAL                      
                            17204      17209      18002      18070      18130
                          mg/L Cl    mg/L Cl       ug/L       ug/L       ug/L


 NO. OF L-FLAGGED VALUES        0          0          2          2          2
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1         11          0          0          0
 MEAN                         20.        21.      0.001      0.001      0.001
 MINIMUM                                 19.                                 
 DATE OF MINIMUM                  1994-11-09                                 
 10TH PERCENTILE                         19.                                 
 MEDIAN                                  21.                                 
 90TH PERCENTILE                         22.                                 
 MAXIMUM                                 22.                                 
 DATE OF MAXIMUM                  1995-11-08                                 
 STANDARD DEVIATION                       1.                                 




                         DIELDRIN       PCBS          K         Ca         Ca
                                                   DISS       DISS       DISS
                            18150      18165      19103      20101      20103
                             ug/L       ug/L     mg/L K    mg/L Ca    mg/L Ca


 NO. OF L-FLAGGED VALUES        2          2          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0         12          3          8
 MEAN                       0.001      0.050        1.0     17.733     22.714
 MINIMUM                                            0.6                18.400
 DATE OF MINIMUM                             1996-02-07            1995-02-08
 10TH PERCENTILE                                    0.6                      
 MEDIAN                                             0.8                24.600
 90TH PERCENTILE                                    1.1                      
 MAXIMUM                                            3.2                25.560
 DATE OF MAXIMUM                             1994-02-02            1996-02-07
 STANDARD DEVIATION                                 0.7                 3.222



                               Ca         Cr         Cr         Cr         Cr
                             DISS      TOTAL      TOTAL       DISS       DISS
                            20115      24009      24090      24111      24190
                          mg/L Ca    mg/L Cr    mg/L Cr    mg/L Cr    mg/L Cr


 NO. OF L-FLAGGED VALUES        0          1         11          1         11
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          0          0          0          0
 MEAN                      20.541      0.005      0.005      0.005      0.005
 MINIMUM                                          0.005                 0.005
 DATE OF MINIMUM                             1994-05-11            1994-05-11
 10TH PERCENTILE                                  0.005                 0.005
 MEDIAN                                           0.005                 0.005
 90TH PERCENTILE                                  0.005                 0.005
 MAXIMUM                                          0.005                 0.005
 DATE OF MAXIMUM                             1996-11-20            1996-11-20
 STANDARD DEVIATION                               0.000                 0.000




                               Mn         Mn         Mn         Mn         Fe
                            TOTAL      TOTAL       DISS       DISS      TOTAL
                            25010      25090      25109      25190      26009
                          mg/L Mn    mg/L Mn    mg/L Mn    mg/L Mn    mg/L Fe


 NO. OF L-FLAGGED VALUES        1         11          1         11          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          0          0
 MEAN                        0.01       0.01       0.01       0.01       0.01
 MINIMUM                                0.01                  0.01           
 DATE OF MINIMUM                  1994-05-11            1994-05-11           
 10TH PERCENTILE                        0.01                  0.01           
 MEDIAN                                 0.01                  0.01           
 90TH PERCENTILE                        0.01                  0.01           
 MAXIMUM                                0.01                  0.01           
 DATE OF MAXIMUM                  1996-11-20            1996-11-20           
 STANDARD DEVIATION                     0.00                  0.00           




                               Fe         Fe         Fe         Ni         Ni
                            TOTAL       DISS       DISS      TOTAL      TOTAL
                            26090      26109      26190      28009      28090
                          mg/L Fe    mg/L Fe    mg/L Fe    mg/L Ni    mg/L Ni


 NO. OF L-FLAGGED VALUES        9          1         11          1         11
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          0          0          0          0
 MEAN                        0.01       0.01       0.01      0.005      0.005
 MINIMUM                     0.01                  0.01                 0.005
 DATE OF MINIMUM       1994-05-11            1994-05-11            1994-05-11
 10TH PERCENTILE             0.01                  0.01                 0.005
 MEDIAN                      0.01                  0.01                 0.005
 90TH PERCENTILE             0.01                  0.01                 0.005
 MAXIMUM                     0.02                  0.01                 0.005
 DATE OF MAXIMUM       1996-05-08            1996-11-20            1996-11-20
 STANDARD DEVIATION          0.00                  0.00                 0.000




                               Ni         Ni         Cu         Cu         Cu
                             DISS       DISS      TOTAL      TOTAL       DISS
                            28109      28190      29009      29090      29109
                          mg/L Ni    mg/L Ni    mg/L Cu    mg/L Cu    mg/L Cu


 NO. OF L-FLAGGED VALUES        1         11          1         11          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          0          0
 MEAN                       0.005      0.005      0.004      0.004      0.004
 MINIMUM                               0.005                 0.004           
 DATE OF MINIMUM                  1994-05-11            1994-05-11           
 10TH PERCENTILE                       0.005                 0.004           
 MEDIAN                                0.005                 0.004           
 90TH PERCENTILE                       0.005                 0.004           
 MAXIMUM                               0.005                 0.004           
 DATE OF MAXIMUM                  1996-11-20            1996-11-20           
 STANDARD DEVIATION                    0.000                 0.000           




                               Cu         Zn         Zn         Zn         Zn
                             DISS      TOTAL      TOTAL       DISS       DISS
                            29190      30009      30090      30109      30190
                          mg/L Cu    mg/L Zn    mg/L Zn    mg/L Zn    mg/L Zn


 NO. OF L-FLAGGED VALUES       11          1          7          1         10
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          4          0          0
 MEAN                       0.004      0.005      0.006      0.005      0.005
 MINIMUM                    0.004                 0.005                 0.005
 DATE OF MINIMUM       1994-05-11            1994-08-03            1994-05-11
 10TH PERCENTILE            0.004                 0.005                 0.005
 MEDIAN                     0.004                 0.005                 0.005
 90TH PERCENTILE            0.004                 0.007                 0.005
 MAXIMUM                    0.004                 0.010                 0.005
 DATE OF MAXIMUM       1996-11-20            1995-11-08            1996-11-20
 STANDARD DEVIATION         0.000                 0.002                 0.000




                               As         As         As         As         Se
                            TOTAL      TOTAL       DISS       DISS      TOTAL
                            33008      33090      33108      33190      34008
                          mg/L As    mg/L As    mg/L As    mg/L As    mg/L Se


 NO. OF L-FLAGGED VALUES        1         11          1         11          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          0          0
 MEAN                       0.005      0.004      0.005      0.004      0.002
 MINIMUM                               0.001                 0.001           
 DATE OF MINIMUM                  1996-02-07            1996-02-07           
 10TH PERCENTILE                       0.001                 0.001           
 MEDIAN                                0.005                 0.005           
 90TH PERCENTILE                       0.005                 0.005           
 MAXIMUM                               0.005                 0.005           
 DATE OF MAXIMUM                  1995-11-08            1995-11-08           
 STANDARD DEVIATION                    0.002                 0.002           



                               Se         Se         Se   COLIFORM   FAEC COL
                            TOTAL       DISS       DISS      TOTAL           
                            34090      34108      34190      36001      36011
                          mg/L Se    mg/L Se    mg/L Se   No/100ml   No/100ml


 NO. OF L-FLAGGED VALUES       11          1         11         11         12
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          1          0
 MEAN                       0.002      0.002      0.002         3.         1.
 MINIMUM                    0.002                 0.002         1.         1.
 DATE OF MINIMUM       1994-05-11            1994-05-11 1994-02-02 1994-02-02
 10TH PERCENTILE            0.002                 0.002         1.         1.
 MEDIAN                     0.002                 0.002         1.         1.
 90TH PERCENTILE            0.002                 0.002         1.         1.
 MAXIMUM                    0.002                 0.002        23.         1.
 DATE OF MAXIMUM       1996-11-20            1996-11-20 1995-02-08 1996-11-20
 STANDARD DEVIATION         0.000                 0.000         6.         0.




                               Cd         Cd         Cd         Cd         Ba
                            TOTAL      TOTAL       DISS       DISS      TOTAL
                            48011      48090      48109      48190      80011
                          mg/L Cd    mg/L Cd    mg/L Cd    mg/L Cd    ug/L Hg


 NO. OF L-FLAGGED VALUES        1         11          1         11         12
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          0          0
 MEAN                       0.005      0.005      0.005      0.005      0.500
 MINIMUM                               0.005                 0.005      0.500
 DATE OF MINIMUM                  1994-05-11            1994-05-11 1994-02-02
 10TH PERCENTILE                       0.005                 0.005      0.500
 MEDIAN                                0.005                 0.005      0.500
 90TH PERCENTILE                       0.005                 0.005      0.500
 MAXIMUM                               0.005                 0.005      0.500
 DATE OF MAXIMUM                  1996-11-20            1996-11-20 1996-11-20
 STANDARD DEVIATION                    0.000                 0.000      0.000




                               Hg         Pb         Pb         Pb         Pb
                             DISS      TOTAL      TOTAL       DISS       DISS
                            80111      82009      82090      82109      82190
                          ug/L Hg    mg/L Pb    mg/L Pb    mg/L Pb    mg/L Pb


 NO. OF L-FLAGGED VALUES       12          1         11          1         11
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          0          0
 MEAN                       0.500      0.005      0.005      0.005      0.005
 MINIMUM                    0.500                 0.005                 0.005
 DATE OF MINIMUM       1994-02-02            1994-05-11            1994-05-11
 10TH PERCENTILE            0.500                 0.005                 0.005
 MEDIAN                     0.500                 0.005                 0.005
 90TH PERCENTILE            0.500                 0.005                 0.005
 MAXIMUM                    0.500                 0.005                 0.005
 DATE OF MAXIMUM       1996-11-20            1996-11-20            1996-11-20
 STANDARD DEVIATION         0.000                 0.000                 0.000



                          BENZENE
                                 
                            95100
                             ug/L


 NO. OF L-FLAGGED VALUES        5
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES        0
 MEAN                         0.5
 MINIMUM                      0.5
 DATE OF MINIMUM       1994-02-02
 10TH PERCENTILE                 
 MEDIAN                       0.5
 90TH PERCENTILE                 
 MAXIMUM                      0.5
 DATE OF MAXIMUM       1995-11-08
 STANDARD DEVIATION           0.0





 STATION - SAGAMI RESERVOIR AT INTAKE               STATION NO. 080006
 COUNTRY - JAPAN                                    DEPTH(M)      19.4
 LOCATION - OCT. 2  LAT. 35/36/49  LONG. 139/12/00  ELEVATION(M) 167.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   LAKE       

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-12 TO 1996-12-09

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP      TRANS          B          B
                             COND                            TOTAL       DISS
                            02041      02061      02076      05011      05111
                            us/cm      deg C          m     mg/L B     ug/L B


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         36         36          4          4
 MEAN                        152.       15.4        1.9        0.0        0.0
 MINIMUM                     123.        6.8        1.0        0.0        0.0
 DATE OF MINIMUM       1994-10-11 1994-02-07 1994-10-11 1994-01-12 1996-01-16
 10TH PERCENTILE             140.        7.6        1.2                      
 MEDIAN                      150.       14.9        1.8        0.0        0.0
 90TH PERCENTILE             166.       24.2        2.5                      
 MAXIMUM                     170.       27.3        3.0        0.0        0.0
 DATE OF MAXIMUM       1996-03-11 1995-08-07 1995-10-09 1994-11-07 1996-04-08
 STANDARD DEVIATION           11.        6.1        0.5        0.0        0.0




                                B   ORG CARB   CHLORO A     NO3NO2     NO3NO2
                             DISS       DISS                                 
                            05190      06101      06711      07105      07316
                           mg/L B     mg/L C       mg/L     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3         10         36         14         21
 MEAN                         0.0        1.0     0.1624       1.05       1.08
 MINIMUM                                 0.6     0.0000       0.68       0.62
 DATE OF MINIMUM                  1994-04-11 1994-01-12 1994-08-08 1995-08-07
 10TH PERCENTILE                         0.6     0.0042       0.71       0.92
 MEDIAN                                  0.9     0.0666       1.15       1.03
 90TH PERCENTILE                         1.3     0.4226       1.27       1.27
 MAXIMUM                                 1.7     1.1400       1.30       1.51
 DATE OF MAXIMUM                  1995-07-10 1996-08-12 1994-02-07 1995-11-13
 STANDARD DEVIATION                      0.3     0.2314       0.22       0.19




                              NH3    PERCENT         O2        BOD        COD
                                      DO SAT       DISS                      
                            07551      08001      08102      08201      08301
                           mg/L N    PERCENT    mg/L O2    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         36         36         36         36
 MEAN                        0.07       108.       10.2         2.         3.
 MINIMUM                     0.00        81.        7.6         0.         2.
 DATE OF MINIMUM       1994-08-08 1996-02-13 1995-05-15 1994-01-12 1996-03-11
 10TH PERCENTILE             0.02        85.        8.5         1.         2.
 MEDIAN                      0.06       102.        9.9         1.         2.
 90TH PERCENTILE             0.11       126.       12.3         4.         4.
 MAXIMUM                     0.18       175.       13.6         6.         5.
 DATE OF MAXIMUM       1995-02-13 1994-08-08 1994-08-08 1994-08-08 1996-08-12
 STANDARD DEVIATION          0.04        21.        1.5         1.         1.



                                F        ALK         pH         Na         Mg
                             DISS      TOTAL                  DISS       DISS
                            09104      10102      10300      11102      12103
                           mg/L F       mg/L   pH UNITS    mg/L Na    mg/L Mg


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12         36         36         30         35
 MEAN                         0.1      47.61        7.9         8.         4.
 MINIMUM                      0.0      35.00        7.2         5.         2.
 DATE OF MINIMUM       1995-05-15 1994-10-11 1994-03-07 1996-10-14 1994-03-07
 10TH PERCENTILE              0.0      41.60        7.3         6.         4.
 MEDIAN                       0.1      48.00        7.8         8.         5.
 90TH PERCENTILE              0.1      53.30        8.3         9.         5.
 MAXIMUM                      0.1      55.00        9.5         9.         5.
 DATE OF MAXIMUM       1996-01-16 1996-07-08 1995-08-07 1994-05-16 1996-02-13
 STANDARD DEVIATION           0.0       4.70        0.5         1.         1.




                               Al         Al         Si          P   SULPHATE
                            TOTAL      TOTAL   REACTIVE      TOTAL           
                            13002      13009      14101      15405      16303
                          mg/L Al    mg/L Al   mg/LSiO2     mg/L P   mg/L SO4


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          4         36         35         15
 MEAN                       0.125      0.132      25.47      0.083        13.
 MINIMUM                               0.030      17.00      0.040         7.
 DATE OF MINIMUM                  1995-10-09 1995-08-07 1995-08-07 1994-03-07
 10TH PERCENTILE                                  21.00      0.050        10.
 MEDIAN                                0.090      25.00      0.080        13.
 90TH PERCENTILE                                  30.00      0.110        14.
 MAXIMUM                               0.320      31.00      0.130        14.
 DATE OF MAXIMUM                  1996-10-14 1996-09-09 1995-02-13 1994-12-12
 STANDARD DEVIATION                    0.129       3.18      0.024         2.




                         SULPHATE         Cl       PCBS          K          K
                                        DISS                  DISS       DISS
                            16309      17201      18165      19102      19111
                         mg/L SO4    mg/L Cl       ug/L     mg/L K     mg/L K


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       21         35          4         14         21
 MEAN                         14.         5.      0.000        1.4        1.3
 MINIMUM                      13.         4.      0.000        1.2        1.0
 DATE OF MINIMUM       1995-04-10 1994-01-12 1995-04-10 1994-01-12 1996-10-14
 10TH PERCENTILE              13.         4.                   1.2        1.0
 MEDIAN                       14.         5.      0.000        1.4        1.3
 90TH PERCENTILE              14.         6.                   1.6        1.5
 MAXIMUM                      14.         7.      0.000        1.7        1.7
 DATE OF MAXIMUM       1996-03-11 1995-03-13 1996-10-14 1994-09-12 1996-06-10
 STANDARD DEVIATION            1.         1.      0.000        0.2        0.2



                               Ca         Cr         Mn         Mn         Fe
                             DISS      TOTAL      TOTAL       DISS      TOTAL
                            20101      24002      25005      25104      26004
                          mg/L Ca    mg/L Cr    mg/L Mn    mg/L Mn    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          9         36         36         36
 MEAN                      14.856      0.000       0.02       0.01       0.11
 MINIMUM                    9.800      0.000       0.00       0.00       0.03
 DATE OF MINIMUM       1994-03-07 1994-04-11 1994-11-07 1994-01-12 1994-07-11
 10TH PERCENTILE           12.600                  0.01       0.00       0.04
 MEDIAN                    15.000      0.000       0.02       0.00       0.09
 90TH PERCENTILE           16.000                  0.05       0.04       0.19
 MAXIMUM                   17.000      0.000       0.07       0.05       0.38
 DATE OF MAXIMUM       1996-09-09 1996-10-14 1996-02-13 1996-06-10 1994-10-11
 STANDARD DEVIATION         1.533      0.000       0.02       0.02       0.07




                               Fe         Ni         Cu         Zn         As
                             DISS      TOTAL      TOTAL      TOTAL      TOTAL
                            26104      28002      29006      30004      33007
                          mg/L Fe    mg/L Ni    mg/L Cu    mg/L Zn    mg/L As


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         10          9          9          6
 MEAN                        0.02      0.000      0.000      0.000      0.000
 MINIMUM                     0.00      0.000      0.000      0.000      0.000
 DATE OF MINIMUM       1994-11-07 1994-04-11 1994-04-11 1994-04-11 1994-04-11
 10TH PERCENTILE             0.00      0.000                                 
 MEDIAN                      0.01      0.000      0.000      0.000      0.000
 90TH PERCENTILE             0.04      0.000                                 
 MAXIMUM                     0.09      0.001      0.000      0.000      0.000
 DATE OF MAXIMUM       1996-07-08 1996-10-14 1996-10-14 1996-10-14 1996-10-14
 STANDARD DEVIATION          0.02      0.000      0.000      0.000      0.000




                               Se   COLIFORM   FAEC COL         Cd         Ba
                            TOTAL      TOTAL                 TOTAL      TOTAL
                            34002      36001      36012      48001      80016
                          mg/L Se   No/100ml   No/100ml    mg/L Cd    ug/L Hg


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6         36         36         36         36
 MEAN                       0.000      8425.       116.      0.000      0.000
 MINIMUM                    0.000       240.         4.      0.000      0.000
 DATE OF MINIMUM       1994-04-11 1995-03-13 1996-08-12 1994-01-12 1994-01-12
 10TH PERCENTILE                        616.         8.      0.000      0.000
 MEDIAN                     0.000      3300.        48.      0.000      0.000
 90TH PERCENTILE                      19100.       240.      0.000      0.000
 MAXIMUM                    0.000     79000.       700.      0.000      0.000
 DATE OF MAXIMUM       1996-10-14 1996-09-09 1996-04-08 1996-12-09 1996-12-09
 STANDARD DEVIATION         0.000     14721.       150.      0.000      0.000



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


 NO. OF L-FLAGGED VALUES        0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES       15         21          7
 MEAN                       0.001      0.001        0.0
 MINIMUM                    0.000      0.000        0.0
 DATE OF MINIMUM       1994-03-07 1995-04-10 1995-04-10
 10TH PERCENTILE            0.000      0.000           
 MEDIAN                     0.001      0.000        0.0
 90TH PERCENTILE            0.002      0.003           
 MAXIMUM                    0.010      0.004        0.0
 DATE OF MAXIMUM       1994-10-11 1995-10-09 1996-10-14
 STANDARD DEVIATION         0.002      0.001        0.0





 STATION - SAGAMI RIVER AT SAMUKAWA                 STATION NO. 080007
 COUNTRY - JAPAN                                    DEPTH(M)       3.0
 LOCATION - OCT. 2  LAT. 35/22/20  LONG. 139/22/30  ELEVATION(M)   5.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-12 TO 1996-12-11

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP          B          B          B
                             COND                 TOTAL       DISS       DISS
                            02041      02061      05011      05111      05190
                            us/cm      deg C     mg/L B     ug/L B     mg/L B


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36          3          2          2
 MEAN                        204.       15.4        0.0        0.0        0.0
 MINIMUM                     144.        5.6                                 
 DATE OF MINIMUM       1995-06-14 1996-01-10                                 
 10TH PERCENTILE             163.        7.9                                 
 MEDIAN                      210.       15.8                                 
 90TH PERCENTILE             221.       23.9                                 
 MAXIMUM                     229.       26.2                                 
 DATE OF MAXIMUM       1996-07-17 1995-08-16                                 
 STANDARD DEVIATION           21.        6.0                                 




                         ORG CARB   CHLORO A     NO3NO2     NO3NO2        NH3
                             DISS                                            
                            06101      06711      07105      07316      07551
                           mg/L C       mg/L     mg/L N     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       14         36          9         21         36
 MEAN                         1.2     0.0103       1.84       1.84       0.14
 MINIMUM                      0.7     0.0015       1.19       1.33       0.04
 DATE OF MINIMUM       1994-01-12 1994-10-12 1994-08-10 1995-07-12 1995-07-12
 10TH PERCENTILE              0.7     0.0020                  1.45       0.05
 MEDIAN                       1.0     0.0074       1.91       1.83       0.11
 90TH PERCENTILE              1.5     0.0153                  2.35       0.23
 MAXIMUM                      2.7     0.0809       2.51       2.46       0.30
 DATE OF MAXIMUM       1996-04-10 1995-06-14 1995-02-15 1996-12-11 1995-02-15
 STANDARD DEVIATION           0.5     0.0132       0.48       0.35       0.08




                          PERCENT         O2        BOD        COD          F
                           DO SAT       DISS                             DISS
                            08001      08102      08201      08301      09104
                          PERCENT    mg/L O2    mg/L O2    mg/L O2     mg/L F


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         24
 MEAN                         92.        9.0         2.         2.        0.1
 MINIMUM                      72.        5.8         1.         1.        0.0
 DATE OF MINIMUM       1994-08-10 1994-08-10 1996-09-11 1994-11-16 1995-07-12
 10TH PERCENTILE              82.        6.9         1.         1.        0.0
 MEDIAN                       92.        9.0         2.         2.        0.1
 90TH PERCENTILE             101.       10.7         2.         3.        0.1
 MAXIMUM                     129.       11.7         3.         4.        0.2
 DATE OF MAXIMUM       1995-12-13 1994-03-09 1994-12-14 1996-03-13 1995-08-16
 STANDARD DEVIATION           10.        1.5         1.         1.        0.0




                              ALK         pH   SUSP SOL         Na         Mg
                            TOTAL               105 DEG       DISS       DISS
                            10102      10300      10401      11102      12103
                             mg/L   pH UNITS       mg/L    mg/L Na    mg/L Mg


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         11         30         36
 MEAN                       53.47        7.7       145.        10.         6.
 MINIMUM                    36.00        7.2        65.         6.         3.
 DATE OF MINIMUM       1995-06-14 1994-03-09 1994-10-12 1995-06-14 1995-06-14
 10TH PERCENTILE            43.60        7.5        68.         8.         4.
 MEDIAN                     54.00        7.7       148.        10.         6.
 90TH PERCENTILE            59.60        7.9       193.        11.         7.
 MAXIMUM                    65.00        8.1       202.        13.        10.
 DATE OF MAXIMUM       1994-09-07 1996-02-14 1994-04-18 1994-03-09 1996-09-11
 STANDARD DEVIATION          5.93        0.2        39.         1.         1.




                               Al         Al         Si          P   SULPHATE
                            TOTAL      TOTAL   REACTIVE      TOTAL           
                            13002      13009      14101      15405      16303
                          mg/L Al    mg/L Al   mg/LSiO2     mg/L P   mg/L SO4


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       15         21          9         36          9
 MEAN                       0.521      0.319      20.67      0.063        21.
 MINIMUM                    0.090      0.060      18.00      0.010        15.
 DATE OF MINIMUM       1995-01-11 1996-01-10 1994-04-18 1995-04-12 1994-03-09
 10TH PERCENTILE            0.100      0.091                 0.010           
 MEDIAN                     0.260      0.270      20.00      0.060        20.
 90TH PERCENTILE            1.020      0.458                 0.120           
 MAXIMUM                    3.180      1.600      24.00      0.210        33.
 DATE OF MAXIMUM       1994-07-13 1995-06-14 1994-03-09 1994-07-13 1994-08-10
 STANDARD DEVIATION         0.792      0.322       1.80      0.043         5.




                         SULPHATE         Cl       PCBS          K          K
                                        DISS                  DISS       DISS
                            16309      17201      18165      19102      19111
                         mg/L SO4    mg/L Cl       ug/L     mg/L K     mg/L K


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       21         35          6         15         21
 MEAN                         23.        12.      0.000        1.7        1.6
 MINIMUM                      15.         6.      0.000        0.8        1.0
 DATE OF MINIMUM       1995-06-14 1995-06-14 1994-04-18 1994-07-13 1995-06-14
 10TH PERCENTILE              16.        10.                   1.0        1.1
 MEDIAN                       21.        12.      0.000        1.8        1.6
 90TH PERCENTILE              28.        14.                   2.0        2.0
 MAXIMUM                      39.        16.      0.000        2.3        2.1
 DATE OF MAXIMUM       1996-03-13 1994-02-16 1996-10-16 1994-02-16 1996-07-17
 STANDARD DEVIATION            6.         2.      0.000        0.4        0.3





                               Ca         Cr         Mn         Mn         Fe
                             DISS      TOTAL      TOTAL       DISS      TOTAL
                            20101      24002      25005      25104      26004
                          mg/L Ca    mg/L Cr    mg/L Mn    mg/L Mn    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          6         36         33         36
 MEAN                      20.806      0.000       0.03       0.02       0.40
 MINIMUM                   16.000      0.000       0.01       0.00       0.08
 DATE OF MINIMUM       1994-03-09 1994-04-18 1994-01-12 1994-04-18 1996-01-10
 10TH PERCENTILE           16.600                  0.02       0.00       0.10
 MEDIAN                    21.000      0.000       0.03       0.01       0.25
 90TH PERCENTILE           23.000                  0.04       0.03       0.62
 MAXIMUM                   25.000      0.000       0.10       0.04       3.10
 DATE OF MAXIMUM       1995-10-11 1996-10-16 1994-07-13 1996-04-10 1994-07-13
 STANDARD DEVIATION         2.149      0.000       0.02       0.01       0.54




                               Fe         Ni         Cu         Zn         As
                             DISS      TOTAL      TOTAL      TOTAL      TOTAL
                            26104      28002      29006      30004      33007
                          mg/L Fe    mg/L Ni    mg/L Cu    mg/L Zn    mg/L As


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       33         18          6          6          6
 MEAN                        0.04      0.000      0.000      0.005      0.000
 MINIMUM                     0.00      0.000      0.000      0.000      0.000
 DATE OF MINIMUM       1994-04-18 1994-01-12 1994-04-18 1994-04-18 1994-04-18
 10TH PERCENTILE             0.01      0.000                                 
 MEDIAN                      0.03      0.000      0.000      0.005      0.000
 90TH PERCENTILE             0.09      0.001                                 
 MAXIMUM                     0.11      0.003      0.000      0.010      0.000
 DATE OF MAXIMUM       1996-06-12 1996-12-11 1996-10-16 1995-04-12 1996-10-16
 STANDARD DEVIATION          0.03      0.001      0.000      0.005      0.000




                               Se   COLIFORM   FAEC COL         Cd         Ba
                            TOTAL      TOTAL                 TOTAL      TOTAL
                            34002      36001      36012      48001      80016
                          mg/L Se   No/100ml   No/100ml    mg/L Cd    ug/L Hg


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6         36         36         20         20
 MEAN                       0.000    3.6E+04      1086.      0.000      0.000
 MINIMUM                    0.000    4.6E+03       130.      0.000      0.000
 DATE OF MINIMUM       1994-04-18 1996-02-14 1996-03-13 1994-01-12 1994-01-12
 10TH PERCENTILE                     7.9E+03       254.      0.000      0.000
 MEDIAN                     0.000    2.4E+04       790.      0.000      0.000
 90TH PERCENTILE                     7.9E+04      1910.      0.000      0.000
 MAXIMUM                    0.000    1.7E+05      3300.      0.000      0.000
 DATE OF MAXIMUM       1996-10-16 1994-07-13 1994-07-13 1996-12-11 1996-12-11
 STANDARD DEVIATION         0.000    3.6E+04       824.      0.000      0.000



                               Pb         Pb    PHENOLS    BENZENE       INST
                            TOTAL      TOTAL                           DISCHG
                            82001      82911      95011      95100      97160
                          mg/L Pb    mg/L Pb       ug/L       ug/L       m3/S


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       15         21          3         22         36
 MEAN                       0.000      0.000        0.0        0.0       25.0
 MINIMUM                    0.000      0.000                   0.0       14.2
 DATE OF MINIMUM       1994-01-12 1995-04-12            1995-01-11 1996-03-13
 10TH PERCENTILE            0.000      0.000                   0.0       15.2
 MEDIAN                     0.000      0.000                   0.0       19.0
 90TH PERCENTILE            0.000      0.000                   0.0       33.9
 MAXIMUM                    0.000      0.000                   0.0       87.7
 DATE OF MAXIMUM       1995-03-15 1996-12-11            1996-12-11 1995-06-14
 STANDARD DEVIATION         0.000      0.000                   0.0       16.3





 STATION - KISO RIVER AT INUYAMA                    STATION NO. 080010
 COUNTRY - JAPAN                                    DEPTH(M)       3.4
 LOCATION - OCT. 2  LAT. 35/23/42  LONG. 136/57/49  ELEVATION(M)  36.5
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-11 TO 1996-12-03

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP          B    PHENOLS   CHLORO A
                             COND                  DISS                      
                            02041      02062      05111      06532      06711
                            us/cm      deg C     ug/L B       mg/L       mg/L


 NO. OF L-FLAGGED VALUES        0          0         12         23          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         24          0         35
 MEAN                         78.       13.2        0.0      5.000     0.0031
 MINIMUM                      42.        0.3        0.0      5.000     0.0004
 DATE OF MINIMUM       1996-09-03 1994-02-02 1994-01-11 1994-01-11 1996-07-02
 10TH PERCENTILE              52.        4.1        0.0      5.000     0.0008
 MEDIAN                       80.       13.9        0.0      5.000     0.0022
 90TH PERCENTILE              97.       22.4        0.1      5.000     0.0073
 MAXIMUM                     123.       26.4        0.1      5.000     0.0100
 DATE OF MAXIMUM       1994-09-06 1994-09-06 1996-12-03 1996-11-05 1994-09-06
 STANDARD DEVIATION           18.        7.1        0.0      0.000     0.0025




                           NO3NO2     NO3NO2     ORG. N        NH3     ORG. N
                                                   DISS                  PART
                            07105      07316      07403      07555      07912
                           mg/L N     mg/L N     mg/L N     mg/L N     ug/g N


 NO. OF L-FLAGGED VALUES        0          0          0          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12         24         33         35         22
 MEAN                        0.41       0.40        0.2       0.07     33.575
 MINIMUM                     0.31       0.30        0.0       0.01      0.040
 DATE OF MINIMUM       1994-04-12 1996-05-07 1995-04-11 1994-07-05 1996-02-06
 10TH PERCENTILE             0.31       0.34        0.1       0.02      0.380
 MEDIAN                      0.39       0.39        0.2       0.05     40.000
 90TH PERCENTILE             0.49       0.44        0.3       0.14     50.000
 MAXIMUM                     0.55       0.52        0.3       0.20     70.000
 DATE OF MAXIMUM       1994-10-04 1996-03-05 1995-03-07 1996-03-05 1995-03-07
 STANDARD DEVIATION          0.07       0.05        0.1       0.05     19.257




                          PERCENT         O2        BOD          F          F
                           DO SAT       DISS                  DISS       DISS
                            08001      08102      08201      09107      09116
                          PERCENT    mg/L O2    mg/L O2     mg/L F     mg/L F


 NO. OF L-FLAGGED VALUES        0          0          5          0          4
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         31         24          8
 MEAN                        100.       10.4         1.        0.1        0.1
 MINIMUM                      86.        6.8         0.        0.1        0.1
 DATE OF MINIMUM       1994-09-06 1994-09-06 1995-05-09 1994-01-11 1996-01-16
 10TH PERCENTILE              93.        8.1         0.        0.1        0.1
 MEDIAN                       98.       10.1         1.        0.1        0.1
 90TH PERCENTILE             107.       13.0         1.        0.1        0.1
 MAXIMUM                     152.       14.0         1.        0.1        0.1
 DATE OF MAXIMUM       1995-08-01 1996-02-06 1996-06-04 1995-12-05 1996-12-03
 STANDARD DEVIATION           10.        2.0         0.        0.0        0.0



                              ALK         pH   SUSP SOL         Na         Na
                            TOTAL               105 DEG       DISS       DISS
                            10102      10302      10401      11105      11111
                             mg/L   pH UNITS       mg/L    mg/L Na    mg/L Na


 NO. OF L-FLAGGED VALUES        0          0          2          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         31          3         33
 MEAN                       18.47        7.3         4.         6.       5.94
 MINIMUM                    11.60        7.0         1.                  3.00
 DATE OF MINIMUM       1995-07-11 1994-02-02 1994-04-12            1995-07-11
 10TH PERCENTILE            13.46        7.1         1.                  4.00
 MEDIAN                     19.00        7.3         2.                  6.00
 90TH PERCENTILE            22.13        7.4         8.                  8.00
 MAXIMUM                    25.50        7.5        33.                 10.00
 DATE OF MAXIMUM       1994-09-06 1994-09-06 1994-10-04            1994-09-06
 STANDARD DEVIATION          3.24        0.1         6.                  1.75




                               Mg         Mg         Mg         Al         Al
                             DISS       DISS       DISS       DISS       DISS
                            12102      12111      12115      13109      13111
                          mg/L Mg    mg/L Mg    mg/L Mg    mg/L Al    mg/L Al


 NO. OF L-FLAGGED VALUES        0          5          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3          7         21         24         12
 MEAN                          1.         1.         1.      0.013      0.008
 MINIMUM                                  1.         1.      0.006      0.004
 DATE OF MINIMUM                  1996-02-06 1994-04-12 1995-10-03 1996-01-16
 10TH PERCENTILE                          1.         1.      0.008      0.004
 MEDIAN                                   1.         1.      0.013      0.008
 90TH PERCENTILE                          1.         1.      0.016      0.011
 MAXIMUM                                  2.         1.      0.023      0.014
 DATE OF MAXIMUM                  1996-01-16 1995-12-05 1995-07-11 1996-09-03
 STANDARD DEVIATION                       0.         0.      0.004      0.003




                               Si         Si          P    P TOTAL    P TOTAL
                         REACTIVE       DISS      TOTAL       DISS       PART
                            14101      14111      15405      15417      15902
                         mg/LSiO2   mg/LSiO2     mg/L P     mg/L P     ug/g P


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12         24         36         36         30
 MEAN                       10.53       11.4      0.029      0.013     13.417
 MINIMUM                     8.80        8.8      0.010      0.005      0.019
 DATE OF MINIMUM       1994-10-04 1995-07-11 1994-05-10 1994-05-10 1996-02-06
 10TH PERCENTILE             9.02        9.6      0.018      0.006      0.420
 MEDIAN                     10.50       11.5      0.027      0.012     11.000
 90TH PERCENTILE            11.31       12.7      0.038      0.017     19.000
 MAXIMUM                    11.80       13.7      0.110      0.034     88.000
 DATE OF MAXIMUM       1994-02-02 1996-01-16 1994-10-04 1994-08-02 1994-10-04
 STANDARD DEVIATION          0.79        1.2      0.016      0.005     15.647





                         SULPHATE         Cl         Cl       PCBS          K
                                        DISS       DISS                  DISS
                            16309      17207      17209      18165      19105
                         mg/L SO4    mg/L Cl    mg/L Cl       ug/L     mg/L K


 NO. OF L-FLAGGED VALUES        0          0          0          6          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         24         12          0          3
 MEAN                          9.         5.         5.      0.100        1.2
 MINIMUM                       5.         2.         2.      0.100           
 DATE OF MINIMUM       1994-04-12 1994-04-12 1996-07-02 1994-02-02           
 10TH PERCENTILE               5.         2.         2.                      
 MEDIAN                        9.         5.         5.      0.100           
 90TH PERCENTILE              11.         6.         7.                      
 MAXIMUM                      14.         9.         9.      0.100           
 DATE OF MAXIMUM       1994-09-06 1994-09-06 1996-03-05 1996-08-06           
 STANDARD DEVIATION            2.         2.         2.      0.000           




                                K         Ca         Ca         Cr         Cr
                             DISS       DISS       DISS      TOTAL      TOTAL
                            19111      20103      20111      24002      24009
                           mg/L K    mg/L Ca    mg/L Ca    mg/L Cr    mg/L Cr


 NO. OF L-FLAGGED VALUES        0          0          0          3         20
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       33          3         33          0          1
 MEAN                         1.1      6.967      6.845      0.001      0.001
 MINIMUM                      0.4                 1.500                 0.001
 DATE OF MINIMUM       1996-07-02            1994-11-08            1994-04-12
 10TH PERCENTILE              0.7                 4.900                 0.001
 MEDIAN                       1.1                 7.100                 0.001
 90TH PERCENTILE              1.5                 8.670                 0.001
 MAXIMUM                      1.9                 9.800                 0.001
 DATE OF MAXIMUM       1994-09-06            1994-09-06            1995-12-05
 STANDARD DEVIATION           0.3                 1.720                 0.000




                               Cr         Cr         Cr         Mn         Mn
                            TOTAL       DISS       DISS      TOTAL      TOTAL
                            24011      24052      24111      25004      25009
                          mg/L Cr    mg/L Cr    mg/L Cr    mg/L Mn    mg/L Mn


 NO. OF L-FLAGGED VALUES       10          3         33          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          0          0          3         12
 MEAN                       0.001      0.001      0.001       0.02       0.02
 MINIMUM                    0.001                 0.001                  0.01
 DATE OF MINIMUM       1996-01-16            1994-04-12            1995-02-07
 10TH PERCENTILE            0.001                 0.001                  0.01
 MEDIAN                     0.001                 0.001                  0.02
 90TH PERCENTILE            0.001                 0.001                  0.02
 MAXIMUM                    0.002                 0.001                  0.02
 DATE OF MAXIMUM       1996-02-06            1996-12-03            1995-10-03
 STANDARD DEVIATION         0.000                 0.000                  0.00




                               Mn         Mn         Mn         Mn         Mn
                            TOTAL      TOTAL       DISS       DISS       DISS
                            25010      25011      25104      25109      25111
                          mg/L Mn    mg/L Mn    mg/L Mn    mg/L Mn    mg/L Mn


 NO. OF L-FLAGGED VALUES        0          0          0          3          8
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        9         12          3         18          4
 MEAN                        0.02       0.02       0.01       0.01       0.01
 MINIMUM                     0.02       0.01                  0.00       0.01
 DATE OF MINIMUM       1994-04-12 1996-04-09            1994-05-10 1996-01-16
 10TH PERCENTILE                        0.01                  0.00       0.01
 MEDIAN                      0.02       0.01                  0.00       0.01
 90TH PERCENTILE                        0.02                  0.01       0.01
 MAXIMUM                     0.04       0.04                  0.02       0.01
 DATE OF MAXIMUM       1994-10-04 1996-01-16            1995-12-05 1996-12-03
 STANDARD DEVIATION          0.01       0.01                  0.01       0.00




                               Fe         Fe         Fe         Fe         Fe
                            TOTAL      TOTAL      TOTAL       DISS       DISS
                            26004      26009      26011      26104      26109
                          mg/L Fe    mg/L Fe    mg/L Fe    mg/L Fe    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3         21         12          3         21
 MEAN                        0.14       0.19       0.11       0.02       0.02
 MINIMUM                                0.05       0.06                  0.01
 DATE OF MINIMUM                  1994-09-06 1996-04-09            1994-05-10
 10TH PERCENTILE                        0.06       0.06                  0.01
 MEDIAN                                 0.11       0.10                  0.01
 90TH PERCENTILE                        0.20       0.13                  0.02
 MAXIMUM                                1.50       0.27                  0.03
 DATE OF MAXIMUM                  1994-10-04 1996-01-16            1994-10-04
 STANDARD DEVIATION                     0.31       0.05                  0.01




                               Fe         Ni         Ni         Ni         Ni
                             DISS      TOTAL      TOTAL      TOTAL       DISS
                            26111      28001      28009      28011      28101
                          mg/L Fe    mg/L Ni    mg/L Ni    mg/L Ni    mg/L Ni


 NO. OF L-FLAGGED VALUES        2          3         13         10          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       10          0          8          2          0
 MEAN                        0.01      0.001      0.001      0.001      0.001
 MINIMUM                     0.01                 0.001      0.001           
 DATE OF MINIMUM       1996-01-16            1994-04-12 1996-01-16           
 10TH PERCENTILE             0.01                 0.001      0.001           
 MEDIAN                      0.01                 0.001      0.001           
 90TH PERCENTILE             0.02                 0.001      0.001           
 MAXIMUM                     0.03                 0.001      0.002           
 DATE OF MAXIMUM       1996-05-07            1995-12-05 1996-03-05           
 STANDARD DEVIATION          0.01                 0.000      0.000           




                               Ni         Ni         Cu         Cu         Cu
                             DISS       DISS      TOTAL      TOTAL      TOTAL
                            28109      28111      29006      29009      29011
                          mg/L Ni    mg/L Ni    mg/L Cu    mg/L Cu    mg/L Cu


 NO. OF L-FLAGGED VALUES       18         11          0          5         11
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3          1          3         16          1
 MEAN                       0.001      0.001      0.001      0.001      0.001
 MINIMUM                    0.001      0.001                 0.001      0.001
 DATE OF MINIMUM       1994-04-12 1996-01-16            1994-04-12 1996-02-06
 10TH PERCENTILE            0.001      0.001                 0.001      0.001
 MEDIAN                     0.001      0.001                 0.001      0.001
 90TH PERCENTILE            0.001      0.001                 0.002      0.001
 MAXIMUM                    0.001      0.001                 0.002      0.002
 DATE OF MAXIMUM       1995-12-05 1996-12-03            1994-12-06 1996-01-16
 STANDARD DEVIATION         0.000      0.000                 0.000      0.000




                               Cu         Cu         Cu         Zn         Zn
                             DISS       DISS       DISS      TOTAL      TOTAL
                            29106      29109      29111      30004      30009
                          mg/L Cu    mg/L Cu    mg/L Cu    mg/L Zn    mg/L Zn


 NO. OF L-FLAGGED VALUES        2          9         12          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1         12          0          3         21
 MEAN                       0.001      0.001      0.001      0.012      0.009
 MINIMUM                               0.001      0.001                 0.004
 DATE OF MINIMUM                  1994-04-12 1996-01-16            1995-05-09
 10TH PERCENTILE                       0.001      0.001                 0.005
 MEDIAN                                0.001      0.001                 0.008
 90TH PERCENTILE                       0.001      0.001                 0.012
 MAXIMUM                               0.002      0.001                 0.020
 DATE OF MAXIMUM                  1994-12-06 1996-12-03            1995-11-07
 STANDARD DEVIATION                    0.000      0.000                 0.004




                               Zn         Zn         Zn         Zn         As
                            TOTAL       DISS       DISS       DISS      TOTAL
                            30011      30104      30109      30111      33007
                          mg/L Zn    mg/L Zn    mg/L Zn    mg/L Zn    mg/L As


 NO. OF L-FLAGGED VALUES        1          0          0          1          4
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       11          3         21         11          2
 MEAN                       0.008      0.010      0.006      0.005      0.001
 MINIMUM                    0.004                 0.002      0.003      0.001
 DATE OF MINIMUM       1996-04-09            1994-10-04 1996-01-16 1994-02-02
 10TH PERCENTILE            0.004                 0.002      0.003           
 MEDIAN                     0.008                 0.005      0.004      0.001
 90TH PERCENTILE            0.012                 0.009      0.006           
 MAXIMUM                    0.013                 0.013      0.009      0.001
 DATE OF MAXIMUM       1996-03-05            1995-12-05 1996-02-06 1996-08-06
 STANDARD DEVIATION         0.003                 0.003      0.002      0.000




                               Se   COLIFORM   FAEC COL         Cd         Cd
                            TOTAL      TOTAL                 TOTAL      TOTAL
                            34002      36002      36012      48001      48009
                          mg/L Se   No/100ml   No/100ml    mg/L Cd    mg/L Cd


 NO. OF L-FLAGGED VALUES        6          0          0          3         21
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         36         36          0          0
 MEAN                       0.001      1168.       225.      0.001      0.001
 MINIMUM                    0.001       160.        20.                 0.001
 DATE OF MINIMUM       1994-02-02 1996-04-09 1994-04-12            1994-04-12
 10TH PERCENTILE                        256.        40.                 0.001
 MEDIAN                     0.001       850.       115.                 0.001
 90TH PERCENTILE                       2100.       404.                 0.001
 MAXIMUM                    0.001      3500.      1600.                 0.001
 DATE OF MAXIMUM       1996-08-06 1994-10-04 1994-10-04            1995-12-05
 STANDARD DEVIATION         0.000       817.       305.                 0.000




                               Cd         Cd         Cd         Cd         Ba
                            TOTAL       DISS       DISS       DISS      TOTAL
                            48011      48101      48109      48111      80016
                          mg/L Cd    mg/L Cd    mg/L Cd    mg/L Cd    ug/L Hg


 NO. OF L-FLAGGED VALUES       12          3         21         12          6
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          0          0
 MEAN                       0.001      0.001      0.001      0.001      0.010
 MINIMUM                    0.001                 0.001      0.001      0.010
 DATE OF MINIMUM       1996-01-16            1994-04-12 1996-01-16 1994-02-02
 10TH PERCENTILE            0.001                 0.001      0.001           
 MEDIAN                     0.001                 0.001      0.001      0.010
 90TH PERCENTILE            0.001                 0.001      0.001           
 MAXIMUM                    0.001                 0.001      0.001      0.010
 DATE OF MAXIMUM       1996-12-03            1995-12-05 1996-12-03 1996-08-06
 STANDARD DEVIATION         0.000                 0.000      0.000      0.000




                               Pb         Pb         Pb         Pb         Pb
                            TOTAL      TOTAL      TOTAL      TOTAL       DISS
                            82001      82009      82011      82090      82101
                          mg/L Pb    mg/L Pb    mg/L Pb    mg/L Pb    mg/L Pb


 NO. OF L-FLAGGED VALUES        2         11         11          9          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          1          0          0
 MEAN                       0.001      0.001      0.001      0.001      0.001
 MINIMUM                               0.001      0.001      0.001           
 DATE OF MINIMUM                  1995-01-10 1996-01-16 1994-04-12           
 10TH PERCENTILE                       0.001      0.001                      
 MEDIAN                                0.001      0.001      0.001           
 90TH PERCENTILE                       0.001      0.001                      
 MAXIMUM                               0.001      0.001      0.001           
 DATE OF MAXIMUM                  1995-12-05 1996-12-03 1994-12-06           
 STANDARD DEVIATION                    0.000      0.000      0.000           




                               Pb         Pb    PHENOLS    BENZENE       INST
                             DISS       DISS                           DISCHG
                            82109      82111      95011      95100      97160
                          mg/L Pb    mg/L Pb       ug/L       ug/L       m3/S


 NO. OF L-FLAGGED VALUES       21         12         12          9          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          0         36
 MEAN                       0.001      0.001        5.0        1.0      213.5
 MINIMUM                    0.001      0.001        5.0        1.0       31.0
 DATE OF MINIMUM       1994-04-12 1996-01-16 1995-01-10 1994-05-10 1994-09-06
 10TH PERCENTILE            0.001      0.001        5.0                 104.0
 MEDIAN                     0.001      0.001        5.0        1.0      183.2
 90TH PERCENTILE            0.001      0.001        5.0                 327.7
 MAXIMUM                    0.001      0.001        5.0        1.0      670.0
 DATE OF MAXIMUM       1995-12-05 1996-12-03 1995-12-05 1996-11-05 1995-07-11
 STANDARD DEVIATION         0.000      0.000        0.0        0.0      124.4





 STATION - KISO RIVER AT ASAHI                      STATION NO. 080011
 COUNTRY - JAPAN                                    DEPTH(M)       2.2
 LOCATION - OCT. 2  LAT. 35/16/46  LONG. 136/43/07  ELEVATION(M)   3.5
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-11 TO 1996-12-10

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP          B    PHENOLS   CHLORO A
                             COND                  DISS                      
                            02041      02062      05111      06532      06711
                            us/cm      deg C     ug/L B       mg/L       mg/L


 NO. OF L-FLAGGED VALUES        0          0         12         23          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         24          0         32
 MEAN                         82.       14.5        0.0      5.000     0.0043
 MINIMUM                      48.        3.8        0.0      5.000     0.0010
 DATE OF MINIMUM       1995-07-11 1995-01-17 1994-01-11 1994-01-11 1995-01-17
 10TH PERCENTILE              56.        5.5        0.0      5.000     0.0013
 MEDIAN                       81.       13.4        0.0      5.000     0.0028
 90TH PERCENTILE             106.       23.4        0.1      5.000     0.0088
 MAXIMUM                     120.       31.2        0.1      5.000     0.0146
 DATE OF MAXIMUM       1994-08-09 1994-08-09 1996-12-10 1996-11-12 1994-08-09
 STANDARD DEVIATION           19.        7.3        0.0      0.000     0.0035




                           NO3NO2     NO3NO2        NH3    PERCENT         O2
                                                            DO SAT       DISS
                            07105      07316      07555      08001      08102
                           mg/L N     mg/L N     mg/L N    PERCENT    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12         24         36         36         36
 MEAN                        0.46       0.45       0.04       103.       10.5
 MINIMUM                     0.26       0.15       0.00        84.        7.3
 DATE OF MINIMUM       1994-08-09 1995-01-17 1996-11-12 1994-09-20 1994-09-20
 10TH PERCENTILE             0.28       0.34       0.01        93.        8.0
 MEDIAN                      0.47       0.45       0.04       102.       10.3
 90TH PERCENTILE             0.59       0.54       0.08       113.       13.2
 MAXIMUM                     0.63       0.64       0.13       117.       14.1
 DATE OF MAXIMUM       1994-10-11 1996-03-12 1996-06-11 1995-02-14 1996-02-13
 STANDARD DEVIATION          0.10       0.10       0.03         8.        2.0




                              BOD          F          F        ALK         pH
                                        DISS       DISS      TOTAL           
                            08201      09107      09116      10102      10302
                          mg/L O2     mg/L F     mg/L F       mg/L   pH UNITS


 NO. OF L-FLAGGED VALUES        5          0          8          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       29         24          4         35         36
 MEAN                          1.        0.1        0.1      18.89        7.5
 MINIMUM                       0.        0.1        0.1      10.70        7.1
 DATE OF MINIMUM       1995-08-08 1994-01-11 1996-01-16 1996-07-10 1995-07-11
 10TH PERCENTILE               1.        0.1        0.1      12.95        7.2
 MEDIAN                        1.        0.1        0.1      19.00        7.5
 90TH PERCENTILE               1.        0.1        0.1      22.85        7.8
 MAXIMUM                       1.        0.1        0.2      26.30        8.6
 DATE OF MAXIMUM       1996-05-14 1995-12-12 1996-02-13 1994-08-09 1994-08-09
 STANDARD DEVIATION            0.        0.0        0.0       3.88        0.3




                         SUSP SOL         Na         Na         Mg         Mg
                          105 DEG       DISS       DISS       DISS       DISS
                            10401      11105      11111      12102      12111
                             mg/L    mg/L Na    mg/L Na    mg/L Mg    mg/L Mg


 NO. OF L-FLAGGED VALUES        0          0          0          0          7
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       33          3         33          3          5
 MEAN                          6.         7.       6.36         1.         1.
 MINIMUM                       1.                  3.00                    1.
 DATE OF MINIMUM       1995-01-17            1995-07-11            1996-02-13
 10TH PERCENTILE               2.                  4.00                    1.
 MEDIAN                        4.                  6.00                    1.
 90TH PERCENTILE              11.                  9.00                    1.
 MAXIMUM                      33.                 10.00                    2.
 DATE OF MAXIMUM       1995-07-11            1994-08-09            1996-01-16
 STANDARD DEVIATION            6.                  1.90                    0.




                               Mg         Al         Al         Si          P
                             DISS       DISS       DISS       DISS      TOTAL
                            12115      13109      13111      14111      15405
                          mg/L Mg    mg/L Al    mg/L Al   mg/LSiO2     mg/L P


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       21         24         12         36         36
 MEAN                          1.      0.014      0.012        9.7      0.031
 MINIMUM                       1.      0.003      0.001        7.7      0.000
 DATE OF MINIMUM       1994-04-12 1995-10-17 1996-01-16 1996-04-16 1996-10-15
 10TH PERCENTILE               1.      0.008      0.002        8.1      0.017
 MEDIAN                        1.      0.012      0.010        9.7      0.030
 90TH PERCENTILE               1.      0.023      0.024       11.0      0.046
 MAXIMUM                       1.      0.039      0.032       12.5      0.093
 DATE OF MAXIMUM       1995-12-12 1994-08-09 1996-07-10 1995-05-17 1995-07-11
 STANDARD DEVIATION            0.      0.007      0.009        1.1      0.016




                         SULPHATE         Cl         Cl       PCBS          K
                                        DISS       DISS                  DISS
                            16309      17207      17209      18165      19105
                         mg/L SO4    mg/L Cl    mg/L Cl       ug/L     mg/L K


 NO. OF L-FLAGGED VALUES        0          0          0          6          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         24         12          0          3
 MEAN                          9.         5.         5.      0.100        1.3
 MINIMUM                       5.         2.         2.      0.100           
 DATE OF MINIMUM       1995-07-11 1995-07-11 1996-07-10 1994-02-08           
 10TH PERCENTILE               6.         3.         2.                      
 MEDIAN                        9.         6.         4.      0.100           
 90TH PERCENTILE              12.         7.         9.                      
 MAXIMUM                      16.         8.         9.      0.100           
 DATE OF MAXIMUM       1994-08-09 1995-12-12 1996-03-12 1996-08-20           
 STANDARD DEVIATION            3.         2.         2.      0.000           




                                K         Ca         Ca         Cr         Cr
                             DISS       DISS       DISS      TOTAL      TOTAL
                            19111      20103      20111      24002      24009
                           mg/L K    mg/L Ca    mg/L Ca    mg/L Cr    mg/L Cr


 NO. OF L-FLAGGED VALUES        1          0          0          3         20
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       32          3         33          0          1
 MEAN                         1.2      6.867      7.361      0.001      0.001
 MINIMUM                      0.5                 4.600                 0.001
 DATE OF MINIMUM       1996-07-10            1995-07-11            1994-04-12
 10TH PERCENTILE              0.9                 4.940                 0.001
 MEDIAN                       1.3                 7.400                 0.001
 90TH PERCENTILE              1.5                 9.100                 0.001
 MAXIMUM                      2.0                 9.900                 0.001
 DATE OF MAXIMUM       1994-08-09            1996-01-16            1995-12-12
 STANDARD DEVIATION           0.3                 1.491                 0.000




                               Cr         Cr         Cr         Mn         Mn
                            TOTAL       DISS       DISS      TOTAL      TOTAL
                            24011      24052      24111      25004      25009
                          mg/L Cr    mg/L Cr    mg/L Cr    mg/L Mn    mg/L Mn


 NO. OF L-FLAGGED VALUES       12          3         32          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          1          3         12
 MEAN                       0.001      0.001      0.001       0.02       0.02
 MINIMUM                    0.001                 0.001                  0.01
 DATE OF MINIMUM       1996-01-16            1994-04-12            1995-01-17
 10TH PERCENTILE            0.001                 0.001                  0.01
 MEDIAN                     0.001                 0.001                  0.02
 90TH PERCENTILE            0.001                 0.001                  0.03
 MAXIMUM                    0.001                 0.001                  0.04
 DATE OF MAXIMUM       1996-12-10            1996-12-10            1995-06-13
 STANDARD DEVIATION         0.000                 0.000                  0.01




                               Mn         Mn         Mn         Mn         Mn
                            TOTAL      TOTAL       DISS       DISS       DISS
                            25010      25011      25104      25109      25111
                          mg/L Mn    mg/L Mn    mg/L Mn    mg/L Mn    mg/L Mn


 NO. OF L-FLAGGED VALUES        0          1          0          1          4
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        9         11          3         20          8
 MEAN                        0.04       0.02       0.02       0.01       0.01
 MINIMUM                     0.01       0.01                  0.00       0.01
 DATE OF MINIMUM       1994-12-13 1996-01-16            1994-06-14 1996-01-16
 10TH PERCENTILE                        0.01                  0.00       0.01
 MEDIAN                      0.04       0.02                  0.01       0.01
 90TH PERCENTILE                        0.03                  0.02       0.02
 MAXIMUM                     0.07       0.03                  0.02       0.02
 DATE OF MAXIMUM       1994-08-09 1996-08-20            1995-06-13 1996-05-14
 STANDARD DEVIATION          0.02       0.01                  0.01       0.00




                               Fe         Fe         Fe         Fe         Fe
                            TOTAL      TOTAL      TOTAL       DISS       DISS
                            26004      26009      26011      26104      26109
                          mg/L Fe    mg/L Fe    mg/L Fe    mg/L Fe    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3         21         12          3         21
 MEAN                        0.16       0.18       0.14       0.04       0.03
 MINIMUM                                0.07       0.06                  0.02
 DATE OF MINIMUM                  1995-12-12 1996-11-12            1994-05-17
 10TH PERCENTILE                        0.08       0.06                  0.02
 MEDIAN                                 0.13       0.11                  0.03
 90TH PERCENTILE                        0.29       0.21                  0.03
 MAXIMUM                                0.69       0.36                  0.04
 DATE OF MAXIMUM                  1995-07-11 1996-07-10            1995-06-13
 STANDARD DEVIATION                     0.14       0.08                  0.01




                               Fe         Ni         Ni         Ni         Ni
                             DISS      TOTAL      TOTAL      TOTAL       DISS
                            26111      28001      28009      28011      28101
                          mg/L Fe    mg/L Ni    mg/L Ni    mg/L Ni    mg/L Ni


 NO. OF L-FLAGGED VALUES        0          3         18         11          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12          0          3          1          0
 MEAN                        0.03      0.001      0.001      0.001      0.001
 MINIMUM                     0.02                 0.001      0.001           
 DATE OF MINIMUM       1996-01-16            1994-04-12 1996-01-16           
 10TH PERCENTILE             0.02                 0.001      0.001           
 MEDIAN                      0.03                 0.001      0.001           
 90TH PERCENTILE             0.03                 0.001      0.001           
 MAXIMUM                     0.04                 0.008      0.001           
 DATE OF MAXIMUM       1996-07-10            1994-07-12 1996-12-10           
 STANDARD DEVIATION          0.01                 0.002      0.000           




                               Ni         Ni         Cu         Cu         Cu
                             DISS       DISS      TOTAL      TOTAL      TOTAL
                            28109      28111      29006      29009      29011
                          mg/L Ni    mg/L Ni    mg/L Cu    mg/L Cu    mg/L Cu


 NO. OF L-FLAGGED VALUES       21         12          0          2         10
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          3         19          2
 MEAN                       0.001      0.001      0.001      0.001      0.001
 MINIMUM                    0.001      0.001                 0.001      0.001
 DATE OF MINIMUM       1994-04-12 1996-01-16            1994-04-12 1996-01-16
 10TH PERCENTILE            0.001      0.001                 0.001      0.001
 MEDIAN                     0.001      0.001                 0.001      0.001
 90TH PERCENTILE            0.001      0.001                 0.002      0.001
 MAXIMUM                    0.001      0.001                 0.002      0.002
 DATE OF MAXIMUM       1995-12-12 1996-12-10            1995-09-12 1996-12-10
 STANDARD DEVIATION         0.000      0.000                 0.000      0.000




                               Cu         Cu         Cu         Zn         Zn
                             DISS       DISS       DISS      TOTAL      TOTAL
                            29106      29109      29111      30004      30009
                          mg/L Cu    mg/L Cu    mg/L Cu    mg/L Zn    mg/L Zn


 NO. OF L-FLAGGED VALUES        0          5         12          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3         16          0          3         20
 MEAN                       0.001      0.001      0.001      0.008      0.005
 MINIMUM                               0.001      0.001                 0.001
 DATE OF MINIMUM                  1994-04-12 1996-01-16            1994-08-09
 10TH PERCENTILE                       0.001      0.001                 0.002
 MEDIAN                                0.001      0.001                 0.005
 90TH PERCENTILE                       0.001      0.001                 0.007
 MAXIMUM                               0.002      0.001                 0.008
 DATE OF MAXIMUM                  1995-05-17 1996-12-10            1995-11-14
 STANDARD DEVIATION                    0.000      0.000                 0.002




                               Zn         Zn         Zn         Zn         As
                            TOTAL       DISS       DISS       DISS      TOTAL
                            30011      30104      30109      30111      33007
                          mg/L Zn    mg/L Zn    mg/L Zn    mg/L Zn    mg/L As


 NO. OF L-FLAGGED VALUES        0          0          1          1          4
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12          3         20         11          2
 MEAN                       0.006      0.005      0.003      0.003      0.001
 MINIMUM                    0.003                 0.001      0.001      0.001
 DATE OF MINIMUM       1996-05-14            1995-08-08 1996-05-14 1994-02-08
 10TH PERCENTILE            0.003                 0.001      0.001           
 MEDIAN                     0.005                 0.003      0.003      0.001
 90TH PERCENTILE            0.009                 0.004      0.004           
 MAXIMUM                    0.012                 0.005      0.007      0.002
 DATE OF MAXIMUM       1996-01-16            1995-02-14 1996-01-16 1994-08-09
 STANDARD DEVIATION         0.003                 0.001      0.002      0.000




                               Se   COLIFORM   FAEC COL         Cd         Cd
                            TOTAL      TOTAL                 TOTAL      TOTAL
                            34002      36002      36012      48001      48009
                          mg/L Se   No/100ml   No/100ml    mg/L Cd    mg/L Cd


 NO. OF L-FLAGGED VALUES        6          0          0          3         21
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         36          4          0          0
 MEAN                       0.001      1354.      2075.      0.001      0.001
 MINIMUM                    0.001         5.       300.                 0.001
 DATE OF MINIMUM       1994-02-08 1996-02-13 1996-08-20            1994-04-12
 10TH PERCENTILE                         12.                            0.001
 MEDIAN                     0.001       175.      2000.                 0.001
 90TH PERCENTILE                       3300.                            0.001
 MAXIMUM                    0.001     12000.      4000.                 0.001
 DATE OF MAXIMUM       1996-08-20 1996-09-10 1996-07-10            1995-12-12
 STANDARD DEVIATION         0.000      2778.      1719.                 0.000




                               Cd         Cd         Cd         Cd         Ba
                            TOTAL       DISS       DISS       DISS      TOTAL
                            48011      48101      48109      48111      80016
                          mg/L Cd    mg/L Cd    mg/L Cd    mg/L Cd    ug/L Hg


 NO. OF L-FLAGGED VALUES       12          3         21         12          6
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          0          0
 MEAN                       0.001      0.001      0.001      0.001      0.010
 MINIMUM                    0.001                 0.001      0.001      0.010
 DATE OF MINIMUM       1996-01-16            1994-04-12 1996-01-16 1994-02-08
 10TH PERCENTILE            0.001                 0.001      0.001           
 MEDIAN                     0.001                 0.001      0.001      0.010
 90TH PERCENTILE            0.001                 0.001      0.001           
 MAXIMUM                    0.001                 0.001      0.001      0.010
 DATE OF MAXIMUM       1996-12-10            1995-12-12 1996-12-10 1996-08-20
 STANDARD DEVIATION         0.000                 0.000      0.000      0.000




                               Pb         Pb         Pb         Pb         Pb
                            TOTAL      TOTAL      TOTAL       DISS       DISS
                            82001      82009      82011      82101      82109
                          mg/L Pb    mg/L Pb    mg/L Pb    mg/L Pb    mg/L Pb


 NO. OF L-FLAGGED VALUES        3         19         10          3         21
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          2          2          0          0
 MEAN                       0.001      0.001      0.001      0.001      0.001
 MINIMUM                               0.001      0.001                 0.001
 DATE OF MINIMUM                  1994-04-12 1996-01-16            1994-04-12
 10TH PERCENTILE                       0.001      0.001                 0.001
 MEDIAN                                0.001      0.001                 0.001
 90TH PERCENTILE                       0.001      0.001                 0.001
 MAXIMUM                               0.002      0.001                 0.001
 DATE OF MAXIMUM                  1995-08-08 1996-12-10            1995-12-12
 STANDARD DEVIATION                    0.000      0.000                 0.000




                               Pb    PHENOLS    BENZENE       INST
                             DISS                           DISCHG
                            82111      95011      95100      97160
                          mg/L Pb       ug/L       ug/L       m3/S


 NO. OF L-FLAGGED VALUES       12         12          9          0
 NO. OF G-FLAGGED VALUES        0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0         36
 MEAN                       0.001        5.0        1.0      187.8
 MINIMUM                    0.001        5.0        1.0       44.0
 DATE OF MINIMUM       1996-01-16 1995-01-17 1994-05-17 1994-07-12
 10TH PERCENTILE            0.001        5.0                  58.2
 MEDIAN                     0.001        5.0        1.0      117.9
 90TH PERCENTILE            0.001        5.0                 407.0
 MAXIMUM                    0.001        5.0        1.0      751.0
 DATE OF MAXIMUM       1996-12-10 1995-12-12 1996-11-12 1995-05-17
 STANDARD DEVIATION         0.000        0.0        0.0      164.0





 STATION - SHINANO RIVER AT KYUZOGOYA               STATION NO. 080015
 COUNTRY - JAPAN                                    DEPTH(M)       2.8
 LOCATION - OCT. 2  LAT. 37/52/00  LONG. 139/02/00  ELEVATION(M)   0.8
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-10 TO 1995-12-19

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP   CHLORO A     NO3NO2     NO3NO2
                             COND                                            
                            02041      02061      06711      07105      07316
                            us/cm      deg C       mg/L     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          9          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       51         51         42          2         43
 MEAN                        134.       12.5     0.0085       0.73       0.72
 MINIMUM                      56.        1.0     0.0020                  0.29
 DATE OF MINIMUM       1995-07-18 1994-02-14 1994-01-10            1994-07-19
 10TH PERCENTILE              85.        3.0     0.0020                  0.48
 MEDIAN                      134.       11.5     0.0030                  0.75
 90TH PERCENTILE             173.       22.4     0.0150                  0.96
 MAXIMUM                     193.       30.0     0.1050                  1.14
 DATE OF MAXIMUM       1995-02-07 1994-08-02 1994-08-02            1995-09-26
 STANDARD DEVIATION           32.        8.0     0.0165                  0.18




                              NH3    AMMONIA    PERCENT         O2        BOD
                                        DISS     DO SAT       DISS           
                            07556      07564      08001      08101      08201
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          2          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6         19         51         51          3
 MEAN                        0.24        0.1        95.       10.1         1.
 MINIMUM                     0.16        0.1        74.        6.2           
 DATE OF MINIMUM       1994-01-10 1994-07-19 1994-09-20 1994-09-20           
 10TH PERCENTILE                         0.1        85.        7.5           
 MEDIAN                      0.25        0.1        94.       10.2           
 90TH PERCENTILE                         0.2        99.       12.3           
 MAXIMUM                     0.31        0.3       146.       13.4           
 DATE OF MAXIMUM       1994-02-16 1994-12-20 1994-07-19 1994-02-14           
 STANDARD DEVIATION          0.05        0.0        11.        2.0           




                                F          F        ALK         pH   SUSP SOL
                             DISS       DISS      TOTAL               105 DEG
                            09105      09116      10102      10301      10401
                           mg/L F     mg/L F       mg/L   pH UNITS       mg/L


 NO. OF L-FLAGGED VALUES        9         25          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         10         51         51         51
 MEAN                         0.1        0.1      23.15        7.2        26.
 MINIMUM                      0.1        0.1       9.50        6.6         5.
 DATE OF MINIMUM       1994-01-10 1994-04-05 1995-07-18 1995-07-18 1994-03-22
 10TH PERCENTILE                         0.1      13.55        7.0         7.
 MEDIAN                       0.1        0.1      23.50        7.2        11.
 90TH PERCENTILE                         0.1      30.50        7.4        34.
 MAXIMUM                      0.1        0.1      32.00        8.4       432.
 DATE OF MAXIMUM       1994-03-22 1995-12-19 1995-10-24 1994-07-19 1995-07-18
 STANDARD DEVIATION           0.0        0.0       6.25        0.3        61.




                               Na         Mg   SULPHATE         Cl         Cl
                             DISS       DISS                  DISS       DISS
                            11115      12115      16309      17204      17209
                          mg/L Na    mg/L Mg   mg/L SO4    mg/L Cl    mg/L Cl


 NO. OF L-FLAGGED VALUES        0          1          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         35         36          5         40
 MEAN                          9.         2.        14.        16.        12.
 MINIMUM                       5.         1.         6.        14.         5.
 DATE OF MINIMUM       1995-04-25 1994-04-19 1995-07-18 1994-01-10 1995-07-18
 10TH PERCENTILE               6.         1.         8.                    7.
 MEDIAN                        8.         2.        14.        17.        12.
 90TH PERCENTILE              12.         3.        18.                   16.
 MAXIMUM                      14.         3.        21.        18.        17.
 DATE OF MAXIMUM       1995-10-24 1994-08-23 1994-09-20 1994-02-16 1995-10-24
 STANDARD DEVIATION            2.         1.         4.         2.         3.




                               Ca         Cr         Mn         Mn         Fe
                             DISS      TOTAL      TOTAL       DISS      TOTAL
                            20115      24009      25010      25109      26009
                          mg/L Ca    mg/L Cr    mg/L Mn    mg/L Mn    mg/L Fe


 NO. OF L-FLAGGED VALUES        0         43          0          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          2         45         50         51
 MEAN                       8.297      0.001       0.09       0.07       0.99
 MINIMUM                    3.000      0.001       0.05       0.01       0.42
 DATE OF MINIMUM       1995-07-18 1994-04-05 1994-03-22 1994-08-02 1994-07-19
 10TH PERCENTILE            4.360      0.001       0.05       0.03       0.53
 MEDIAN                     8.700      0.001       0.07       0.06       0.74
 90TH PERCENTILE           10.990      0.003       0.14       0.13       1.32
 MAXIMUM                   12.800      0.004       0.46       0.18       7.20
 DATE OF MAXIMUM       1995-09-26 1995-07-18 1995-07-18 1995-07-18 1995-07-18
 STANDARD DEVIATION         2.611      0.001       0.07       0.04       0.96




                               Fe         Cu         Cu         Zn         Zn
                             DISS      TOTAL      TOTAL      TOTAL      TOTAL
                            26109      29006      29009      30001      30009
                          mg/L Fe    mg/L Cu    mg/L Cu    mg/L Zn    mg/L Zn


 NO. OF L-FLAGGED VALUES        0          1          8          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       51          0         42          1         50
 MEAN                        0.27      0.010      0.004      0.035      0.010
 MINIMUM                     0.08                 0.002                 0.004
 DATE OF MINIMUM       1994-08-02            1994-08-23            1994-07-19
 10TH PERCENTILE             0.15                 0.002                 0.005
 MEDIAN                      0.25                 0.003                 0.009
 90TH PERCENTILE             0.37                 0.010                 0.015
 MAXIMUM                     1.03                 0.012                 0.043
 DATE OF MAXIMUM       1994-10-18            1995-07-18            1995-07-18
 STANDARD DEVIATION          0.13                 0.003                 0.006



                               As   FAEC COL         Cd         Ba         Pb
                            TOTAL                 TOTAL      TOTAL      TOTAL
                            33011      36012      48009      80011      82009
                          mg/L As   No/100ml    mg/L Cd    ug/L Hg    mg/L Pb


 NO. OF L-FLAGGED VALUES        2          0         51          9         16
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         51          0          0          2
 MEAN                       0.003       200.      0.002      0.200      0.006
 MINIMUM                                 22.      0.001      0.200      0.005
 DATE OF MINIMUM                  1994-04-19 1994-04-05 1994-01-10 1995-04-11
 10TH PERCENTILE                         41.      0.001                 0.005
 MEDIAN                                 130.      0.001      0.200      0.005
 90TH PERCENTILE                        396.      0.005                 0.005
 MAXIMUM                               1000.      0.005      0.200      0.016
 DATE OF MAXIMUM                  1994-09-20 1994-03-22 1994-03-22 1995-07-18
 STANDARD DEVIATION                     194.      0.002      0.000      0.003




                               Pb       INST
                            TOTAL     DISCHG
                            82360      97160
                          mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES       26          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        1         50
 MEAN                       0.006      363.0
 MINIMUM                    0.005      197.0
 DATE OF MINIMUM       1994-01-10 1994-11-15
 10TH PERCENTILE            0.005      235.0
 MEDIAN                     0.005      361.5
 90TH PERCENTILE            0.005      482.0
 MAXIMUM                    0.026      721.0
 DATE OF MAXIMUM       1994-12-06 1995-07-18
 STANDARD DEVIATION         0.004      100.6





 STATION - LAKE MASHU                               STATION NO. 080016
 COUNTRY - JAPAN                                    DEPTH(M)     212.2
 LOCATION - OCT. 2  LAT. 43/35/23  LONG. 144/32/56  ELEVATION(M) 351.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   LAKE       

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-10-02 TO 1996-08-29

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                           SUM OF       ELEC       TEMP      TRANS          B
                          CATIONS       COND                            TOTAL
                            00120      02041      02061      02076      05001
                            MEQ/L      us/cm      deg C          m     mg/L B


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        5         15         10          2          5
 MEAN                       1.176        99.        7.4       21.5        0.1
 MINIMUM                    1.140        84.        3.6                   0.1
 DATE OF MINIMUM       1995-08-22 1995-08-22 1995-08-22            1995-08-22
 10TH PERCENTILE                         84.        3.6                      
 MEDIAN                     1.180        98.        4.6                   0.1
 90TH PERCENTILE                        121.       15.8                      
 MAXIMUM                    1.210       135.       17.4                   0.1
 DATE OF MAXIMUM       1995-08-22 1995-08-22 1995-08-22            1995-08-22
 STANDARD DEVIATION         0.025        16.        5.2                   0.0




                              PAH     NO3NO2     ORG. N        NH3     ORG. N
                                                   DISS                  PART
                            06505      07105      07403      07556      07912
                             ug/L     mg/L N     mg/L N     mg/L N     ug/g N


 NO. OF L-FLAGGED VALUES        0          2          0          8          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        8         12          1          7          5
 MEAN                        0.14       0.02        0.0       0.01      0.022
 MINIMUM                     0.06       0.00                  0.00      0.011
 DATE OF MINIMUM       1996-08-29 1996-08-29            1996-08-29 1996-08-29
 10TH PERCENTILE                        0.00                  0.00           
 MEDIAN                      0.11       0.01                  0.01      0.016
 90TH PERCENTILE                        0.04                  0.03           
 MAXIMUM                     0.28       0.05                  0.04      0.040
 DATE OF MAXIMUM       1994-10-02 1996-08-29            1996-08-29 1996-08-29
 STANDARD DEVIATION          0.08       0.01                  0.01      0.013




                               O2        COD         pH         Na         Mg
                             DISS                             DISS       DISS
                            08101      08301      10302      11105      12102
                          mg/L O2    mg/L O2   pH UNITS    mg/L Na    mg/L Mg


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       10          5         15         10         10
 MEAN                        12.8         0.        7.4        12.         3.
 MINIMUM                     10.0         0.        6.7        11.         3.
 DATE OF MINIMUM       1995-08-22 1995-08-22 1994-10-02 1995-08-22 1995-08-22
 10TH PERCENTILE             10.0                   6.8        11.         3.
 MEDIAN                      13.3         0.        7.4        12.         3.
 90TH PERCENTILE             14.0                   7.7        13.         4.
 MAXIMUM                     14.1         1.        7.9        14.         4.
 DATE OF MAXIMUM       1995-08-22 1995-08-22 1994-10-02 1996-08-29 1996-08-29
 STANDARD DEVIATION           1.5         0.        0.3         1.         0.




                               Si          P    P TOTAL   SULPHATE         Cl
                         REACTIVE      TOTAL       DISS                  DISS
                            14101      15405      15417      16309      17209
                         mg/LSiO2     mg/L P     mg/L P   mg/L SO4    mg/L Cl


 NO. OF L-FLAGGED VALUES        0          5          7          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        5          4          4         14         15
 MEAN                        5.36      0.001      0.001        12.         7.
 MINIMUM                     5.10      0.001      0.001        11.         6.
 DATE OF MINIMUM       1995-08-22 1996-08-29 1995-08-22 1994-10-02 1996-08-29
 10TH PERCENTILE                                  0.001        11.         7.
 MEDIAN                      5.40      0.001      0.001        12.         7.
 90TH PERCENTILE                                  0.002        12.         8.
 MAXIMUM                     5.60      0.002      0.002        12.         8.
 DATE OF MAXIMUM       1995-08-22 1995-08-22 1994-10-02 1995-08-22 1994-10-02
 STANDARD DEVIATION          0.21      0.001      0.001         0.         0.




                                K         Ca         Cr         Mn         Fe
                             DISS       DISS       DISS       DISS       DISS
                            19105      20103      24052      25105      26105
                           mg/L K    mg/L Ca    mg/L Cr    mg/L Mn    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0          5          4          4
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       10         10          0         11         11
 MEAN                         1.1      8.300      0.001       0.01       0.01
 MINIMUM                      0.9      7.400      0.001       0.00       0.00
 DATE OF MINIMUM       1996-08-29 1995-08-22 1994-10-02 1995-08-22 1996-08-29
 10TH PERCENTILE              0.9      7.400                  0.00       0.00
 MEDIAN                       1.1      8.250      0.001       0.00       0.01
 90TH PERCENTILE              1.4      9.100                  0.01       0.01
 MAXIMUM                      1.4      9.400      0.001       0.02       0.02
 DATE OF MAXIMUM       1995-08-22 1996-08-29 1994-10-02 1996-08-29 1996-08-29
 STANDARD DEVIATION           0.2      0.744      0.000       0.01       0.01




                               Ni         Zn         Cd         Pb    BENZENE
                             DISS       DISS      TOTAL      TOTAL           
                            28102      30105      48911      82911      95100
                          mg/L Ni    mg/L Zn    mg/L Cd    mg/L Pb       ug/L


 NO. OF L-FLAGGED VALUES       10          4          1          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         11          0          0          4
 MEAN                       0.001      0.000      0.001      0.001        0.3
 MINIMUM                    0.001      0.000                              0.2
 DATE OF MINIMUM       1994-10-02 1995-08-22                       1994-10-02
 10TH PERCENTILE            0.001      0.000                                 
 MEDIAN                     0.001      0.000                              0.3
 90TH PERCENTILE            0.001      0.001                                 
 MAXIMUM                    0.001      0.001                              0.5
 DATE OF MAXIMUM       1995-08-22 1994-10-02                       1994-10-02
 STANDARD DEVIATION         0.000      0.001                              0.2





 STATION - ISHIKARI RIVER AT ISHIKARI               STATION NO. 080017
 COUNTRY - JAPAN                                    DEPTH(M)       2.8
 LOCATION - OCT. 2  LAT. 43/07/16  LONG. 141/32/47  ELEVATION(M)   0.6
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-19 TO 1996-12-18

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP   ORG CARB    PHENOLS     NO3NO2
                             COND                  DISS                      
                            02041      02062      06101      06532      07105
                            us/cm      deg C     mg/L C       mg/L     mg/L N


 NO. OF L-FLAGGED VALUES        0          1          0         24          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         35         32          0         23
 MEAN                        142.        9.2        2.4      5.000       0.59
 MINIMUM                      72.        0.0        1.3      5.000       0.30
 DATE OF MINIMUM       1995-04-28 1994-01-19 1996-01-18 1994-01-19 1995-06-14
 10TH PERCENTILE              83.        0.2        1.5      5.000       0.37
 MEDIAN                      142.        8.5        2.2      5.000       0.54
 90TH PERCENTILE             187.       19.6        3.2      5.000       0.80
 MAXIMUM                     209.       23.6        4.2      5.000       1.00
 DATE OF MAXIMUM       1996-01-18 1995-07-19 1995-07-19 1996-12-18 1996-03-06
 STANDARD DEVIATION           37.        8.0        0.7      0.000       0.17




                              NH3    PERCENT         O2        BOD        ALK
                                      DO SAT       DISS                 TOTAL
                            07556      08001      08101      08201      10101
                           mg/L N    PERCENT    mg/L O2    mg/L O2       mg/L


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       14          3         35         36         35
 MEAN                        0.20        97.       11.3         1.      37.15
 MINIMUM                     0.01                   8.2         1.      13.00
 DATE OF MINIMUM       1996-03-06            1994-08-24 1996-05-15 1994-05-19
 10TH PERCENTILE             0.02                   8.6         1.      18.25
 MEDIAN                      0.19                  11.2         1.      35.50
 90TH PERCENTILE             0.33                  13.4         2.      56.45
 MAXIMUM                     0.69                  14.3         2.      72.80
 DATE OF MAXIMUM       1996-02-15            1994-01-19 1995-07-19 1995-03-03
 STANDARD DEVIATION          0.18                   1.9         0.      14.95




                               pH   SUSP SOL         Al         Al         Si
                                     105 DEG      TOTAL       DISS   REACTIVE
                            10302      10401      13011      13111      14101
                         pH UNITS       mg/L    mg/L Al    mg/L Al   mg/LSiO2


 NO. OF L-FLAGGED VALUES        0          0          0          2          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         34         32         24
 MEAN                         7.3        34.      1.242      0.125      10.21
 MINIMUM                      7.0         3.      0.050      0.006       3.00
 DATE OF MINIMUM       1994-05-19 1995-01-19 1995-01-19 1994-06-15 1994-03-03
 10TH PERCENTILE              7.0        10.      0.204      0.010       3.52
 MEDIAN                       7.3        15.      0.650      0.060       8.75
 90TH PERCENTILE              7.4        73.      3.376      0.432      18.05
 MAXIMUM                      7.6       200.      4.040      0.680      20.30
 DATE OF MAXIMUM       1996-09-19 1996-04-26 1994-05-19 1994-08-24 1996-09-19
 STANDARD DEVIATION           0.1        43.      1.230      0.176       5.24




                                P         Cl       PCBS         Cr         Mn
                            TOTAL       DISS                 TOTAL      TOTAL
                            15405      17207      18165      24002      25004
                           mg/L P    mg/L Cl       ug/L    mg/L Cr    mg/L Mn


 NO. OF L-FLAGGED VALUES        0          0         36         21         20
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       31         35          0         11         14
 MEAN                       0.068        11.      0.500      0.551       0.06
 MINIMUM                    0.010         5.      0.500      0.005       0.01
 DATE OF MINIMUM       1996-09-19 1995-04-28 1994-01-19 1995-01-19 1994-04-27
 10TH PERCENTILE            0.035         6.      0.500      0.005       0.01
 MEDIAN                     0.056         9.      0.500      0.005       0.01
 90TH PERCENTILE            0.131        16.      0.500      1.556       0.11
 MAXIMUM                    0.227        18.      0.500      4.040       0.25
 DATE OF MAXIMUM       1996-04-26 1996-02-15 1996-12-18 1994-05-19 1996-04-26
 STANDARD DEVIATION         0.044         4.      0.000      1.117       0.07




                               Mn         Fe         Fe         Cu         Cu
                             DISS      TOTAL       DISS      TOTAL       DISS
                            25104      26004      26104      29005      29105
                          mg/L Mn    mg/L Fe    mg/L Fe    mg/L Cu    mg/L Cu


 NO. OF L-FLAGGED VALUES       33          1         21         35         35
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2         33         14          0          0
 MEAN                        0.02       1.65       0.09      0.020      0.020
 MINIMUM                     0.01       0.02       0.00      0.020      0.020
 DATE OF MINIMUM       1994-01-19 1995-01-19 1995-02-15 1994-01-19 1994-01-19
 10TH PERCENTILE             0.01       0.58       0.02      0.020      0.020
 MEDIAN                      0.01       1.09       0.02      0.020      0.020
 90TH PERCENTILE             0.01       3.72       0.20      0.020      0.020
 MAXIMUM                     0.10       6.78       0.62      0.020      0.020
 DATE OF MAXIMUM       1995-03-03 1996-04-26 1996-05-15 1996-12-18 1996-12-18
 STANDARD DEVIATION          0.02       1.54       0.13      0.000      0.000




                               Zn         Zn         As         As         Se
                            TOTAL       DISS      TOTAL       DISS      TOTAL
                            30005      30105      33007      33104      34002
                          MG/L ZN    mg/L Zn    mg/L As    mg/L As    mg/L Se


 NO. OF L-FLAGGED VALUES       26         34         34         35         26
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        9          1          1          0          0
 MEAN                       0.006      0.005      0.001      0.001      0.001
 MINIMUM                    0.005      0.005      0.001      0.001      0.001
 DATE OF MINIMUM       1994-02-16 1994-01-19 1994-01-19 1994-01-19 1994-01-19
 10TH PERCENTILE            0.005      0.005      0.001      0.001      0.001
 MEDIAN                     0.005      0.005      0.001      0.001      0.001
 90TH PERCENTILE            0.010      0.005      0.001      0.001      0.001
 MAXIMUM                    0.012      0.020      0.001      0.001      0.001
 DATE OF MAXIMUM       1996-05-15 1996-04-26 1996-12-18 1996-12-18 1996-12-18
 STANDARD DEVIATION         0.002      0.003      0.000      0.000      0.000




                               Se   COLIFORM         Cd         Cd         Ba
                             DISS      TOTAL      TOTAL       DISS      TOTAL
                            34102      36001      48002      48102      80016
                          mg/L Se   No/100ml    mg/L Cd    mg/L Cd    ug/L Hg


 NO. OF L-FLAGGED VALUES       26          0         35         35         35
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         36          0          0          0
 MEAN                       0.001      9036.      0.001      0.001      0.500
 MINIMUM                    0.001       490.      0.001      0.001      0.500
 DATE OF MINIMUM       1994-01-19 1994-03-03 1994-01-19 1994-01-19 1994-01-19
 10TH PERCENTILE            0.001      1100.      0.001      0.001      0.500
 MEDIAN                     0.001      4900.      0.001      0.001      0.500
 90TH PERCENTILE            0.001     24000.      0.001      0.001      0.500
 MAXIMUM                    0.001     49000.      0.001      0.001      0.500
 DATE OF MAXIMUM       1996-12-18 1995-10-18 1996-12-18 1996-12-18 1996-12-18
 STANDARD DEVIATION         0.000     10163.      0.000      0.000      0.000




                               Hg         Pb         Pb    PHENOLS       INST
                             DISS      TOTAL       DISS                DISCHG
                            80111      82002      82103      95011      97160
                          ug/L Hg    mg/L Pb    mg/L Pb       ug/L       m3/S


 NO. OF L-FLAGGED VALUES       35         33         35         12          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          2          0          0         36
 MEAN                       0.500      0.001      0.001        5.0      445.3
 MINIMUM                    0.500      0.001      0.001        5.0       64.9
 DATE OF MINIMUM       1994-01-19 1994-01-19 1994-01-19 1995-01-19 1995-03-03
 10TH PERCENTILE            0.500      0.001      0.001        5.0      110.7
 MEDIAN                     0.500      0.001      0.001        5.0      276.9
 90TH PERCENTILE            0.500      0.001      0.001        5.0      975.2
 MAXIMUM                    0.500      0.004      0.001        5.0     1915.4
 DATE OF MAXIMUM       1996-12-18 1996-05-15 1996-12-18 1995-12-13 1996-04-26
 STANDARD DEVIATION         0.000      0.001      0.000        0.0      435.2





 STATION - KYU-KITAKAMI RIVER AT KANOMATA           STATION NO. 080018
 COUNTRY - JAPAN                                    DEPTH(M)       5.0
 LOCATION - OCT. 2  LAT. 38/29/10  LONG. 141/16/39  ELEVATION(M)   0.1
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-26 TO 1996-12-11

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP          B    PHENOLS   CHLORO A
                             COND                 TOTAL                      
                            02041      02061      05002      06532      06711
                            us/cm      deg C     mg/L B       mg/L       mg/L


 NO. OF L-FLAGGED VALUES        0          0         11          3          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         22          0         36
 MEAN                        144.       12.8        0.0      5.000     0.0114
 MINIMUM                      91.        1.9        0.0                0.0016
 DATE OF MINIMUM       1994-04-20 1996-01-25 1994-04-20            1995-12-20
 10TH PERCENTILE             116.        2.5        0.0                0.0020
 MEDIAN                      148.       12.0        0.0                0.0059
 90TH PERCENTILE             170.       22.4        0.1                0.0156
 MAXIMUM                     180.       26.5        0.1                0.0661
 DATE OF MAXIMUM       1994-08-24 1996-08-21 1995-02-22            1996-08-21
 STANDARD DEVIATION           22.        7.9        0.0                0.0171




                           NO3NO2     ORG. N        NH3    AMMONIA    PERCENT
                                        DISS                  DISS     DO SAT
                            07105      07403      07556      07564      08001
                           mg/L N     mg/L N     mg/L N     mg/L N    PERCENT


 NO. OF L-FLAGGED VALUES        0          4          1          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         32         32          3         36
 MEAN                        0.55        0.3       0.07        0.0        98.
 MINIMUM                     0.15        0.1       0.02                   38.
 DATE OF MINIMUM       1994-07-20 1995-02-22 1994-04-20            1994-04-20
 10TH PERCENTILE             0.39        0.1       0.02                   80.
 MEDIAN                      0.56        0.2       0.05                  100.
 90TH PERCENTILE             0.66        0.5       0.15                  109.
 MAXIMUM                     1.00        0.9       0.23                  146.
 DATE OF MAXIMUM       1995-03-15 1996-11-20 1995-01-25            1996-08-21
 STANDARD DEVIATION          0.15        0.2       0.05                   16.




                               O2        BOD        COD          F          F
                             DISS                             DISS       DISS
                            08101      08201      08301      09105      09116
                          mg/L O2    mg/L O2    mg/L O2     mg/L F     mg/L F


 NO. OF L-FLAGGED VALUES        0          1          0         16          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         35          3         17          3
 MEAN                        10.4         2.         3.        0.1        0.1
 MINIMUM                      4.1         1.                   0.1           
 DATE OF MINIMUM       1994-04-20 1994-01-26            1994-01-26           
 10TH PERCENTILE              7.0         1.                   0.1           
 MEDIAN                      10.6         2.                   0.1           
 90TH PERCENTILE             13.1         3.                   0.1           
 MAXIMUM                     14.0         5.                   0.2           
 DATE OF MAXIMUM       1996-01-25 1995-06-21            1994-06-22           
 STANDARD DEVIATION           2.4         1.                   0.0           





                              ALK         pH   SUSP SOL         Na         Mg
                            TOTAL               105 DEG       DISS       DISS
                            10101      10301      10401      11105      12102
                             mg/L   pH UNITS       mg/L    mg/L Na    mg/L Mg


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                       30.18        7.2        16.        10.         3.
 MINIMUM                    16.40        6.3         2.         7.         2.
 DATE OF MINIMUM       1994-04-20 1995-05-24 1995-12-20 1994-04-20 1994-04-20
 10TH PERCENTILE            20.88        6.9         3.         8.         2.
 MEDIAN                     31.20        7.1        10.        10.         3.
 90TH PERCENTILE            37.30        7.6        29.        12.         4.
 MAXIMUM                    43.60        7.9       100.        13.         4.
 DATE OF MAXIMUM       1995-09-27 1996-08-21 1995-06-21 1996-11-20 1994-08-24
 STANDARD DEVIATION          6.32        0.3        19.         1.         1.




                               Al         Al         Si          P    P TOTAL
                             DISS      TOTAL   REACTIVE      TOTAL       DISS
                            13901      13911      14101      15405      15417
                          mg/L Al    mg/L Al   mg/LSiO2     mg/L P     mg/L P


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                       0.082      0.626      18.55      0.081      0.052
 MINIMUM                    0.020      0.140       7.40      0.034      0.016
 DATE OF MINIMUM       1996-01-25 1994-01-26 1994-05-25 1994-12-14 1995-04-19
 10TH PERCENTILE            0.026      0.168      10.00      0.044      0.019
 MEDIAN                     0.060      0.455      20.06      0.067      0.032
 90TH PERCENTILE            0.143      1.215      23.00      0.141      0.050
 MAXIMUM                    0.550      2.350      29.00      0.162      0.700
 DATE OF MAXIMUM       1994-02-24 1994-09-28 1994-11-16 1995-05-24 1994-05-25
 STANDARD DEVIATION         0.093      0.524       4.99      0.037      0.112




                         SULPHATE         Cl         Cl       PCBS          K
                                        DISS       DISS                  DISS
                            16309      17207      17209      18165      19102
                         mg/L SO4    mg/L Cl    mg/L Cl       ug/L     mg/L K


 NO. OF L-FLAGGED VALUES        0          0          0         36          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         33          3          0         36
 MEAN                         18.        11.        13.      0.500        1.9
 MINIMUM                      10.         1.                 0.500        0.5
 DATE OF MINIMUM       1994-07-20 1995-08-23            1994-01-26 1994-04-20
 10TH PERCENTILE              13.         8.                 0.500        1.1
 MEDIAN                       18.        11.                 0.500        1.8
 90TH PERCENTILE              23.        14.                 0.500        2.6
 MAXIMUM                      23.        15.                 0.500        4.4
 DATE OF MAXIMUM       1995-02-22 1995-02-22            1996-12-11 1994-08-24
 STANDARD DEVIATION            3.         3.                 0.000        0.7




                               Ca         Cr         Cr         Mn         Mn
                             DISS       DISS      TOTAL      TOTAL       DISS
                            20103      24901      24911      25004      25104
                          mg/L Ca    mg/L Cr    mg/L Cr    mg/L Mn    mg/L Mn


 NO. OF L-FLAGGED VALUES        0         36         36          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          0          0         36         35
 MEAN                      11.211      0.001      0.001       0.08       0.04
 MINIMUM                    6.300      0.001      0.001       0.02       0.01
 DATE OF MINIMUM       1996-12-11 1994-04-20 1994-04-20 1995-09-27 1994-07-20
 10TH PERCENTILE            7.140      0.001      0.001       0.04       0.02
 MEDIAN                    11.500      0.001      0.001       0.06       0.04
 90TH PERCENTILE           15.000      0.001      0.001       0.11       0.06
 MAXIMUM                   16.000      0.002      0.002       0.34       0.12
 DATE OF MAXIMUM       1994-03-16 1994-03-16 1994-03-16 1994-08-24 1994-09-28
 STANDARD DEVIATION         2.834      0.000      0.000       0.06       0.02




                               Fe         Fe         Ni         Ni         Cu
                            TOTAL       DISS       DISS      TOTAL       DISS
                            26004      26104      28901      28911      29901
                          mg/L Fe    mg/L Fe    mg/L Ni    mg/L Ni    mg/L Cu


 NO. OF L-FLAGGED VALUES        1          0         31         36         36
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         36          5          0          0
 MEAN                        0.91       0.23      0.010      0.010      0.010
 MINIMUM                     0.27       0.07      0.010      0.010      0.010
 DATE OF MINIMUM       1995-12-20 1994-04-20 1994-01-26 1994-01-26 1994-01-26
 10TH PERCENTILE             0.35       0.09      0.010      0.010      0.010
 MEDIAN                      0.78       0.18      0.010      0.010      0.010
 90TH PERCENTILE             1.39       0.38      0.010      0.010      0.010
 MAXIMUM                     2.90       0.74      0.010      0.010      0.010
 DATE OF MAXIMUM       1994-08-24 1994-02-24 1996-12-11 1996-12-11 1996-12-11
 STANDARD DEVIATION          0.57       0.16      0.000      0.000      0.000




                               Cu         Zn         Zn         As         As
                            TOTAL      TOTAL       DISS      TOTAL       DISS
                            29911      30004      30104      33007      33104
                          mg/L Cu    mg/L Zn    mg/L Zn    mg/L As    mg/L As


 NO. OF L-FLAGGED VALUES       33          1         12         20         35
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3         35         24         16          1
 MEAN                       0.010      0.015      0.007      0.002      0.001
 MINIMUM                    0.010      0.005      0.003      0.001      0.001
 DATE OF MINIMUM       1994-01-26 1994-07-20 1996-05-23 1994-04-20 1994-04-20
 10TH PERCENTILE            0.010      0.005      0.004      0.001      0.001
 MEDIAN                     0.010      0.012      0.005      0.001      0.001
 90TH PERCENTILE            0.010      0.024      0.011      0.003      0.001
 MAXIMUM                    0.020      0.057      0.017      0.005      0.005
 DATE OF MAXIMUM       1995-03-15 1995-11-15 1994-03-16 1994-03-16 1994-03-16
 STANDARD DEVIATION         0.002      0.011      0.003      0.001      0.001




                               Se         Se   COLIFORM   FAEC COL         Cd
                            TOTAL       DISS      TOTAL                  DISS
                            34007      34102      36001      36012      48901
                          mg/L Se    mg/L Se   No/100ml   No/100ml    mg/L Cd


 NO. OF L-FLAGGED VALUES       36         36          0          0         36
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0         36         36          0
 MEAN                       0.001      0.001     11948.       157.      0.001
 MINIMUM                    0.001      0.001       230.         4.      0.001
 DATE OF MINIMUM       1994-04-20 1994-04-20 1994-05-25 1996-01-25 1994-01-26
 10TH PERCENTILE            0.001      0.001       306.        10.      0.001
 MEDIAN                     0.001      0.001      1750.        60.      0.001
 90TH PERCENTILE            0.001      0.001     33000.       224.      0.001
 MAXIMUM                    0.002      0.002     92000.      1800.      0.001
 DATE OF MAXIMUM       1994-03-16 1994-03-16 1996-07-24 1994-09-28 1996-12-11
 STANDARD DEVIATION         0.000      0.000     23606.       329.      0.000




                               Cd         Ba         Hg         Pb         Pb
                            TOTAL      TOTAL       DISS       DISS      TOTAL
                            48911      80011      80111      82901      82911
                          mg/L Cd    ug/L Hg    ug/L Hg    mg/L Pb    mg/L Pb


 NO. OF L-FLAGGED VALUES       36         36         36         36         36
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          0          0
 MEAN                       0.001      0.104      0.104      0.005      0.005
 MINIMUM                    0.001      0.050      0.050      0.005      0.005
 DATE OF MINIMUM       1994-01-26 1995-04-19 1995-04-19 1994-01-26 1994-01-26
 10TH PERCENTILE            0.001      0.050      0.050      0.005      0.005
 MEDIAN                     0.001      0.050      0.050      0.005      0.005
 90TH PERCENTILE            0.001      0.100      0.100      0.005      0.005
 MAXIMUM                    0.001      0.500      0.500      0.005      0.005
 DATE OF MAXIMUM       1996-12-11 1994-03-16 1994-03-16 1996-12-11 1996-12-11
 STANDARD DEVIATION         0.000      0.123      0.123      0.000      0.000




                          PHENOLS    BENZENE
                                            
                            95011      95100
                             ug/L       ug/L


 NO. OF L-FLAGGED VALUES       33          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        0          3
 MEAN                         5.0        0.2
 MINIMUM                      5.0           
 DATE OF MINIMUM       1994-01-26           
 10TH PERCENTILE              5.0           
 MEDIAN                       5.0           
 90TH PERCENTILE              5.0           
 MAXIMUM                      5.0           
 DATE OF MAXIMUM       1996-09-18           
 STANDARD DEVIATION           0.0           





 STATION - LAKE BIWA - NORTH CENTER                 STATION NO. 080019
 COUNTRY - JAPAN                                    DEPTH(M)      41.0
 LOCATION - OCT. 2  LAT. 35/23/30  LONG. 136/08/07  ELEVATION(M)  85.6
 REGIONAL CENTRE - WPRA                             WATER TYPE   LAKE       

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-10 TO 1996-12-03

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             TEMP      TRANS   CHLORO A     NO3NO2        NH3
                                                                             
                            02062      02076      06711      07105      07556
                            deg C          m       mg/L     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          3         15
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         35         33         21
 MEAN                        16.8        6.5     0.0035       0.13       0.01
 MINIMUM                      7.1        1.9     0.0010       0.01       0.01
 DATE OF MINIMUM       1996-02-05 1994-10-03 1994-09-05 1994-07-04 1994-01-10
 10TH PERCENTILE              7.8        4.3     0.0015       0.02       0.01
 MEDIAN                      17.1        6.2     0.0033       0.13       0.01
 90TH PERCENTILE             28.0        8.6     0.0055       0.22       0.02
 MAXIMUM                     29.8       11.0     0.0083       0.23       0.02
 DATE OF MAXIMUM       1994-09-05 1994-09-05 1995-11-06 1996-02-05 1994-06-06
 STANDARD DEVIATION           7.6        2.0     0.0017       0.07       0.00




                          PERCENT         O2        BOD         pH   SUSP SOL
                           DO SAT       DISS                          105 DEG
                            08001      08102      08201      10301      10401
                          PERCENT    mg/L O2    mg/L O2   pH UNITS       mg/L


 NO. OF L-FLAGGED VALUES        0          0         16          0          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         20         36         31
 MEAN                        105.       10.0         1.        8.1         1.
 MINIMUM                      78.        7.6         0.        7.2         0.
 DATE OF MINIMUM       1996-01-08 1994-09-05 1995-06-05 1994-01-10 1995-01-09
 10TH PERCENTILE              88.        8.5         1.        7.5         1.
 MEDIAN                      103.        9.9         1.        8.0         1.
 90TH PERCENTILE             121.       11.7         1.        9.1         1.
 MAXIMUM                     132.       12.0         1.        9.2         4.
 DATE OF MAXIMUM       1994-07-04 1996-05-07 1995-05-08 1995-08-07 1994-10-03
 STANDARD DEVIATION           13.        1.1         0.        0.6         1.




                               Si          P         Cl         Cr         As
                         REACTIVE      TOTAL       DISS      TOTAL      TOTAL
                            14101      15405      17203      24002      33007
                         mg/LSiO2     mg/L P    mg/L Cl    mg/L Cr    mg/L As


 NO. OF L-FLAGGED VALUES        0          0          0         28         28
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         35         36          0          0
 MEAN                        1.12      0.007         9.      0.008      0.005
 MINIMUM                     0.20      0.004         9.      0.005      0.005
 DATE OF MINIMUM       1995-07-03 1994-01-10 1994-01-10 1995-07-03 1994-01-10
 10TH PERCENTILE             0.36      0.004         9.      0.005      0.005
 MEDIAN                      1.30      0.007         9.      0.010      0.005
 90TH PERCENTILE             1.70      0.009        10.      0.010      0.005
 MAXIMUM                     1.80      0.015        10.      0.010      0.005
 DATE OF MAXIMUM       1996-04-08 1994-05-09 1994-12-12 1995-06-05 1996-11-05
 STANDARD DEVIATION          0.44      0.002         1.      0.002      0.000



                         COLIFORM   FAEC COL         Cd         Ba         Pb
                            TOTAL                 TOTAL      TOTAL      TOTAL
                            36001      36012      48002      80011      82002
                         No/100ml   No/100ml    mg/L Cd    ug/L Hg    mg/L Pb


 NO. OF L-FLAGGED VALUES        0          0         28         30         28
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       32         25          0          0          0
 MEAN                         88.         1.      0.001      0.500      0.018
 MINIMUM                       0.         0.      0.001      0.500      0.005
 DATE OF MINIMUM       1995-03-06 1995-01-09 1994-01-10 1994-01-10 1996-05-07
 10TH PERCENTILE               0.         0.      0.001      0.500      0.005
 MEDIAN                        5.         0.      0.001      0.500      0.020
 90TH PERCENTILE              33.         0.      0.001      0.500      0.020
 MAXIMUM                    2400.        12.      0.001      0.500      0.020
 DATE OF MAXIMUM       1994-10-03 1994-10-03 1996-11-05 1996-11-05 1996-02-05
 STANDARD DEVIATION          423.         2.      0.000      0.000      0.005





 STATION - LAKE BIWA - SOUTH CENTER                 STATION NO. 080020
 COUNTRY - JAPAN                                    DEPTH(M)       8.0
 LOCATION - OCT. 2  LAT. 35/02/28  LONG. 135/53/46  ELEVATION(M)  85.6
 REGIONAL CENTRE - WPRA                             WATER TYPE   LAKE       

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-11 TO 1996-12-04

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             TEMP      TRANS   CHLORO A     NO3NO2        NH3
                                                                             
                            02062      02076      06711      07105      07556
                            deg C          m       mg/L     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          3          8
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         33         28
 MEAN                        16.8        1.2     0.0106       0.13       0.02
 MINIMUM                      3.3        0.6     0.0033       0.00       0.01
 DATE OF MINIMUM       1996-02-07 1996-01-16 1996-03-05 1995-09-05 1994-01-11
 10TH PERCENTILE              6.1        0.6     0.0044       0.01       0.01
 MEDIAN                      17.3        1.0     0.0083       0.12       0.02
 90TH PERCENTILE             27.9        2.1     0.0158       0.25       0.03
 MAXIMUM                     30.2        2.9     0.0600       0.31       0.08
 DATE OF MAXIMUM       1995-08-08 1996-07-02 1995-05-09 1996-04-09 1995-03-07
 STANDARD DEVIATION           8.4        0.6     0.0095       0.09       0.01




                          PERCENT         O2        BOD         pH   SUSP SOL
                           DO SAT       DISS                          105 DEG
                            08001      08102      08201      10301      10401
                          PERCENT    mg/L O2    mg/L O2   pH UNITS       mg/L


 NO. OF L-FLAGGED VALUES        0          0          1          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         35         36         36
 MEAN                        105.       10.1         1.        8.1        10.
 MINIMUM                      89.        7.8         1.        7.3         2.
 DATE OF MINIMUM       1994-03-01 1994-07-05 1994-02-08 1994-02-08 1994-07-05
 10TH PERCENTILE              92.        8.3         1.        7.5         2.
 MEDIAN                      104.       10.4         1.        8.0        10.
 90TH PERCENTILE             119.       11.3         2.        8.9        18.
 MAXIMUM                     147.       13.5         6.        9.3        21.
 DATE OF MAXIMUM       1995-05-09 1995-05-09 1995-05-09 1995-05-09 1995-11-07
 STANDARD DEVIATION           12.        1.3         1.        0.5         5.




                               Si          P         Cl         Cr         As
                         REACTIVE      TOTAL       DISS      TOTAL      TOTAL
                            14101      15405      17203      24002      33007
                         mg/LSiO2     mg/L P    mg/L Cl    mg/L Cr    mg/L As


 NO. OF L-FLAGGED VALUES        0          0          0         28         28
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         35         36          0          0
 MEAN                        1.59      0.021        10.      0.008      0.005
 MINIMUM                     0.10      0.007         9.      0.005      0.005
 DATE OF MINIMUM       1994-04-12 1996-09-03 1995-06-06 1995-07-04 1994-01-11
 10TH PERCENTILE             0.40      0.012        10.      0.005      0.005
 MEDIAN                      1.65      0.020        10.      0.010      0.005
 90TH PERCENTILE             2.40      0.030        11.      0.010      0.005
 MAXIMUM                     2.80      0.038        11.      0.010      0.005
 DATE OF MAXIMUM       1996-04-09 1995-05-09 1995-01-10 1995-06-06 1996-11-06
 STANDARD DEVIATION          0.70      0.007         1.      0.002      0.000




                         COLIFORM   FAEC COL         Cd         Ba         Pb
                            TOTAL                 TOTAL      TOTAL      TOTAL
                            36001      36012      48002      80011      82002
                         No/100ml   No/100ml    mg/L Cd    ug/L Hg    mg/L Pb


 NO. OF L-FLAGGED VALUES        0          0         28         30         28
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36          0          0          0
 MEAN                         21.         1.      0.001      0.500      0.018
 MINIMUM                       0.         0.      0.001      0.500      0.005
 DATE OF MINIMUM       1995-03-07 1994-01-11 1994-01-11 1994-01-11 1996-05-08
 10TH PERCENTILE               2.         0.      0.001      0.500      0.005
 MEDIAN                       10.         0.      0.001      0.500      0.020
 90TH PERCENTILE              63.         3.      0.001      0.500      0.020
 MAXIMUM                     110.        20.      0.001      0.500      0.020
 DATE OF MAXIMUM       1995-06-06 1996-12-04 1996-11-06 1996-11-06 1996-02-07
 STANDARD DEVIATION           27.         3.      0.000      0.000      0.005





 STATION - YOSHINO RIVER AT TAKASE                  STATION NO. 080021
 COUNTRY - JAPAN                                    DEPTH(M)       5.9
 LOCATION - OCT. 2  LAT. 34/05/53  LONG. 134/25/34  ELEVATION(M)   4.6
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-11 TO 1996-12-03

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP      TRANS     NO3NO2    AMMONIA
                             COND                                        DISS
                            02041      02061      02076      07316      07564
                            us/cm      deg C          m     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0         22
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         36         36         35         13
 MEAN                        112.       15.7        2.2       3.41        0.1
 MINIMUM                      74.        4.8        1.0       1.96        0.0
 DATE OF MINIMUM       1995-06-06 1994-02-14 1994-05-16 1995-04-25 1996-01-16
 10TH PERCENTILE              92.        7.3        1.2       2.53        0.1
 MEDIAN                      112.       17.0        2.0       3.38        0.1
 90TH PERCENTILE             126.       23.6        3.4       4.32        0.1
 MAXIMUM                     147.       27.5        4.1       5.09        0.2
 DATE OF MAXIMUM       1996-11-11 1994-08-08 1994-11-14 1994-10-11 1994-02-14
 STANDARD DEVIATION           15.        6.7        0.9       0.72        0.0




                               O2        BOD        ALK         pH   SUSP SOL
                             DISS                 TOTAL               105 DEG
                            08101      08201      10102      10302      10401
                          mg/L O2    mg/L O2       mg/L   pH UNITS       mg/L


 NO. OF L-FLAGGED VALUES        0         24          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       34         12         36         36         36
 MEAN                         9.4         1.      32.31        7.4         3.
 MINIMUM                      7.0         1.      22.30        7.2         1.
 DATE OF MINIMUM       1995-09-05 1994-01-11 1995-06-06 1996-08-19 1994-01-11
 10TH PERCENTILE              7.6         1.      28.20        7.3         2.
 MEDIAN                       9.1         1.      32.60        7.4         3.
 90TH PERCENTILE             11.3         2.      35.25        7.5         6.
 MAXIMUM                     12.0         3.      41.00        7.7         8.
 DATE OF MAXIMUM       1994-02-14 1995-04-25 1996-11-11 1994-07-05 1995-10-03
 STANDARD DEVIATION           1.4         1.       3.38        0.1         2.




                               Na         Na         Mg         Mg         Al
                             DISS       DISS       DISS       DISS      TOTAL
                            11102      11112      12102      12109      13009
                          mg/L Na    mg/L Na    mg/L Mg    mg/L Mg    mg/L Al


 NO. OF L-FLAGGED VALUES        0          0          0          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3         32         27          9          8
 MEAN                          5.         4.         2.         2.      0.160
 MINIMUM                                  3.         1.         2.      0.005
 DATE OF MINIMUM                  1994-04-20 1994-10-11 1996-04-16 1996-05-13
 10TH PERCENTILE                          4.         1.                      
 MEDIAN                                   4.         2.         2.      0.056
 90TH PERCENTILE                          6.         3.                      
 MAXIMUM                                  6.         4.         3.      0.875
 DATE OF MAXIMUM                  1995-03-07 1994-09-06 1996-11-11 1996-09-03
 STANDARD DEVIATION                       1.         1.         0.      0.275





                               Al         Si          P    P TOTAL   SULPHATE
                             DISS   REACTIVE      TOTAL       DISS           
                            13109      14101      15405      15417      16309
                          mg/L Al   mg/LSiO2     mg/L P     mg/L P   mg/L SO4


 NO. OF L-FLAGGED VALUES        1          0          0          3          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        8         36         36         33         35
 MEAN                       0.061       7.54      0.016      0.008        12.
 MINIMUM                    0.005       3.35      0.006      0.001         8.
 DATE OF MINIMUM       1996-05-13 1995-11-13 1994-02-14 1994-02-14 1994-04-20
 10TH PERCENTILE                        5.55      0.009      0.001        10.
 MEDIAN                     0.019       7.32      0.014      0.006        12.
 90TH PERCENTILE                        9.04      0.027      0.015        14.
 MAXIMUM                    0.350      15.80      0.038      0.031        14.
 DATE OF MAXIMUM       1996-09-03 1996-12-03 1995-06-06 1995-06-06 1995-03-07
 STANDARD DEVIATION         0.112       1.92      0.007      0.006         2.




                               Cl          K         Ca         Ca         Cr
                             DISS       DISS       DISS       DISS      TOTAL
                            17204      19112      20103      20109      24009
                          mg/L Cl     mg/L K    mg/L Ca       mg/L    mg/L Cr


 NO. OF L-FLAGGED VALUES        0          0          0          0          9
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       33         35         27          9          0
 MEAN                          5.        1.0     11.233     13.989      0.005
 MINIMUM                       3.        0.3      4.200     12.000      0.005
 DATE OF MINIMUM       1994-04-20 1996-01-16 1994-07-05 1996-05-13 1996-04-16
 10TH PERCENTILE               4.        0.8      5.450                      
 MEDIAN                        5.        1.0     12.900     13.600      0.005
 90TH PERCENTILE               6.        1.2     15.260                      
 MAXIMUM                       9.        2.2     16.700     17.400      0.005
 DATE OF MAXIMUM       1994-08-08 1995-01-24 1996-01-16 1996-11-11 1996-12-03
 STANDARD DEVIATION            1.        0.4      3.986      1.537      0.000




                               Cr         Mn         Mn         Fe         Fe
                             DISS      TOTAL       DISS      TOTAL       DISS
                            24111      25010      25109      26009      26109
                          mg/L Cr    mg/L Mn    mg/L Mn    mg/L Fe    mg/L Fe


 NO. OF L-FLAGGED VALUES        9          9          9          0          7
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          9          2
 MEAN                       0.005       0.01       0.01       0.05       0.01
 MINIMUM                    0.005       0.01       0.01       0.01       0.01
 DATE OF MINIMUM       1996-04-16 1996-04-16 1996-04-16 1996-09-03 1996-04-16
 10TH PERCENTILE                                                             
 MEDIAN                     0.005       0.01       0.01       0.04       0.01
 90TH PERCENTILE                                                             
 MAXIMUM                    0.005       0.01       0.01       0.12       0.01
 DATE OF MAXIMUM       1996-12-03 1996-12-03 1996-12-03 1996-04-16 1996-12-03
 STANDARD DEVIATION         0.000       0.00       0.00       0.04       0.00




                               Ni         Ni         Cu         Cu         Zn
                            TOTAL       DISS      TOTAL       DISS      TOTAL
                            28009      28109      29009      29109      30009
                          mg/L Ni    mg/L Ni    mg/L Cu    mg/L Cu    mg/L Zn


 NO. OF L-FLAGGED VALUES        9          9          9          9          8
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          0          1
 MEAN                       0.005      0.005      0.005      0.005      0.005
 MINIMUM                    0.005      0.005      0.005      0.005      0.005
 DATE OF MINIMUM       1996-04-16 1996-04-16 1996-04-16 1996-04-16 1996-04-16
 10TH PERCENTILE                                                             
 MEDIAN                     0.005      0.005      0.005      0.005      0.005
 90TH PERCENTILE                                                             
 MAXIMUM                    0.005      0.005      0.005      0.005      0.008
 DATE OF MAXIMUM       1996-12-03 1996-12-03 1996-12-03 1996-12-03 1996-05-13
 STANDARD DEVIATION         0.000      0.000      0.000      0.000      0.001




                               Zn   COLIFORM   FAEC COL         Cd         Cd
                             DISS      TOTAL                 TOTAL       DISS
                            30109      36001      36012      48011      48109
                          mg/L Zn   No/100ml   No/100ml    mg/L Cd    mg/L Cd


 NO. OF L-FLAGGED VALUES        9          0          0          9          9
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         36         35          0          0
 MEAN                       0.005    6.0E+03        54.      0.005      0.005
 MINIMUM                    0.005    8.0E+01         3.      0.005      0.005
 DATE OF MINIMUM       1996-04-16 1995-11-13 1994-07-05 1996-04-16 1996-04-16
 10TH PERCENTILE                     1.3E+02         6.                      
 MEDIAN                     0.005    1.1E+03        30.      0.005      0.005
 90TH PERCENTILE                     8.2E+03       125.                      
 MAXIMUM                    0.005    1.3E+05       270.      0.005      0.005
 DATE OF MAXIMUM       1996-12-03 1996-10-01 1996-01-16 1996-12-03 1996-12-03
 STANDARD DEVIATION         0.000    2.2E+04        66.      0.000      0.000




                               Pb         Pb       INST
                            TOTAL       DISS     DISCHG
                            82009      82109      97160
                          mg/L Pb    mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES        9          9          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES        0          0         15
 MEAN                       0.005      0.005       81.9
 MINIMUM                    0.005      0.005       22.0
 DATE OF MINIMUM       1996-04-16 1996-04-16 1996-11-11
 10TH PERCENTILE                                   25.2
 MEDIAN                     0.005      0.005       66.0
 90TH PERCENTILE                                  132.0
 MAXIMUM                    0.005      0.005      265.0
 DATE OF MAXIMUM       1996-12-03 1996-12-03 1996-08-19
 STANDARD DEVIATION         0.000      0.000       61.7





 STATION - CHIKUGO RIVER AT SENOSHITA               STATION NO. 080023
 COUNTRY - JAPAN                                    DEPTH(M)       5.5
 LOCATION - OCT. 2  LAT. 33/18/56  LONG. 130/29/45  ELEVATION(M)   2.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-26 TO 1996-12-05

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP      TRANS   CHLORO A     NO3NO2
                             COND                                            
                            02041      02061      02076      06711      07105
                            us/cm      deg C          m       mg/L     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0         35          0          0
 NO. OF UNFLAGGED VALUES       36         36          1         27         23
 MEAN                        175.       18.5        0.3     0.0301       0.76
 MINIMUM                     118.        7.0        0.1     0.0013       0.21
 DATE OF MINIMUM       1996-07-11 1994-01-26 1996-12-05 1994-01-26 1995-06-21
 10TH PERCENTILE             126.        8.8        0.3     0.0058       0.37
 MEDIAN                      176.       18.1        0.3     0.0142       0.81
 90TH PERCENTILE             210.       27.7        0.3     0.0773       1.04
 MAXIMUM                     305.       34.1        0.3     0.1193       1.21
 DATE OF MAXIMUM       1994-01-26 1994-07-19 1996-11-07 1995-04-12 1994-12-13
 STANDARD DEVIATION           40.        7.2        0.0     0.0319       0.27




                           NO3NO2        NH3    AMMONIA         O2        BOD
                                                   DISS       DISS           
                            07316      07556      07564      08102      08201
                           mg/L N     mg/L N     mg/L N    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          2          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       13         16         18         36         34
 MEAN                        0.89       0.18        0.3        9.8         2.
 MINIMUM                     0.66       0.03        0.0        7.1         0.
 DATE OF MINIMUM       1996-03-14 1995-05-11 1995-07-21 1994-04-21 1995-12-01
 10TH PERCENTILE             0.68       0.05        0.0        7.5         0.
 MEDIAN                      0.91       0.17        0.2        9.4         1.
 90TH PERCENTILE             1.02       0.32        0.4       12.6         4.
 MAXIMUM                     1.11       0.38        1.4       14.2         5.
 DATE OF MAXIMUM       1996-12-05 1994-11-15 1996-10-24 1995-03-24 1995-07-21
 STANDARD DEVIATION          0.13       0.10        0.3        1.9         1.




                               pH   SUSP SOL         Na         Na         Mg
                                     105 DEG       DISS       DISS       DISS
                            10301      10401      11105      11112      12102
                         pH UNITS       mg/L    mg/L Na    mg/L Na    mg/L Mg


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         35         18         18         36
 MEAN                         7.7        11.        11.         8.         3.
 MINIMUM                      6.7         1.         3.         5.         0.
 DATE OF MINIMUM       1994-04-21 1994-01-26 1994-02-23 1995-08-08 1995-09-05
 10TH PERCENTILE              7.1         3.         5.         5.         1.
 MEDIAN                       7.5         6.        12.         8.         3.
 90TH PERCENTILE              8.6        19.        13.        11.         4.
 MAXIMUM                      8.9        60.        17.        15.         5.
 DATE OF MAXIMUM       1995-03-24 1994-04-21 1994-11-15 1996-02-28 1996-10-24
 STANDARD DEVIATION           0.6        14.         3.         3.         1.




                                P   SULPHATE   SULPHATE         Cl         Cl
                            TOTAL                             DISS       DISS
                            15405      16302      16309      17203      17209
                           mg/L P   mg/L SO4   mg/L SO4    mg/L Cl    mg/L Cl


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         18         18         18         18
 MEAN                       0.093        15.        13.        13.         9.
 MINIMUM                    0.047         8.         8.         6.         5.
 DATE OF MINIMUM       1995-02-09 1994-02-23 1995-07-21 1994-04-21 1995-08-08
 10TH PERCENTILE            0.059         8.         9.         8.         5.
 MEDIAN                     0.085        17.        14.        13.        10.
 90TH PERCENTILE            0.143        19.        15.        16.        12.
 MAXIMUM                    0.198        20.        15.        19.        12.
 DATE OF MAXIMUM       1996-12-05 1994-07-19 1996-03-14 1994-11-15 1996-03-14
 STANDARD DEVIATION         0.036         4.         2.         3.         2.




                                K         Ca   COLIFORM   FAEC COL       INST
                             DISS       DISS      TOTAL                DISCHG
                            19105      20103      36001      36012      97160
                           mg/L K    mg/L Ca   No/100ml   No/100ml       m3/S


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         34         36
 MEAN                         2.8     13.835     12793.       217.       65.6
 MINIMUM                      0.5      2.664        33.         0.       22.4
 DATE OF MINIMUM       1995-07-21 1995-12-01 1996-05-28 1996-01-16 1994-07-19
 10TH PERCENTILE              0.9      7.920       306.         0.       28.5
 MEDIAN                       2.8     13.198      3400.        21.       42.2
 90TH PERCENTILE              4.0     18.380     33000.       218.      109.5
 MAXIMUM                      5.2     29.266     92000.      2700.      394.1
 DATE OF MAXIMUM       1994-07-19 1995-11-02 1994-12-13 1994-04-21 1994-04-21
 STANDARD DEVIATION           1.1      4.621     21519.       630.       67.1





 STATION - KUMA RIVER AT YOKOISHI                   STATION NO. 080024
 COUNTRY - JAPAN                                    DEPTH(M)       0.4
 LOCATION - OCT. 2  LAT. 32/27/28  LONG. 130/39/24  ELEVATION(M)   9.1
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-26 TO 1995-12-06

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP   CHLORO A     NO3NO2     ORG. N
                             COND                                        DISS
                            02041      02061      06711      07105      07403
                            us/cm      deg C       mg/L     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0         17
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         24         15         24          7
 MEAN                         99.       18.3     0.0051       0.73        0.1
 MINIMUM                      73.        8.5     0.0001       0.38        0.1
 DATE OF MINIMUM       1994-04-14 1994-01-26 1994-01-26 1994-03-15 1994-01-26
 10TH PERCENTILE              74.        9.2     0.0005       0.47        0.1
 MEDIAN                      104.       17.6     0.0031       0.55        0.1
 90TH PERCENTILE             116.       28.0     0.0101       0.66        0.1
 MAXIMUM                     131.       29.4     0.0171       2.90        0.2
 DATE OF MAXIMUM       1994-12-06 1994-07-19 1994-07-19 1995-01-10 1995-11-06
 STANDARD DEVIATION           18.        6.6     0.0046       0.59        0.0




                              NH3         O2        BOD        ALK         pH
                                        DISS                 TOTAL           
                            07556      08101      08201      10102      10301
                           mg/L N    mg/L O2    mg/L O2       mg/L   pH UNITS


 NO. OF L-FLAGGED VALUES       13          0         15          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       11         24          9         24         24
 MEAN                        0.03        9.6         1.      34.65        7.9
 MINIMUM                     0.01        7.8         1.      18.50        7.1
 DATE OF MINIMUM       1994-06-01 1994-08-02 1994-01-26 1994-04-14 1994-10-24
 10TH PERCENTILE             0.01        7.9         1.      25.88        7.3
 MEDIAN                      0.01        9.4         1.      36.45        7.9
 90TH PERCENTILE             0.07       11.4         1.      40.10        8.4
 MAXIMUM                     0.09       11.7         2.      46.20        8.9
 DATE OF MAXIMUM       1994-01-26 1994-02-24 1994-09-06 1994-12-06 1995-08-10
 STANDARD DEVIATION          0.03        1.3         0.       6.11        0.4




                         SUSP SOL         Na         Mg         Al         Si
                          105 DEG       DISS       DISS       DISS   REACTIVE
                            10401      11112      12109      13103      14101
                             mg/L    mg/L Na    mg/L Mg    mg/L Al   mg/LSiO2


 NO. OF L-FLAGGED VALUES        2          0          0         23          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       22         24         24          1         24
 MEAN                          5.         5.         1.      0.032      14.59
 MINIMUM                       1.         3.         1.      0.030      10.70
 DATE OF MINIMUM       1994-02-24 1994-04-14 1994-01-26 1994-01-26 1995-05-09
 10TH PERCENTILE               1.         3.         1.      0.030      11.88
 MEDIAN                        2.         5.         1.      0.030      14.65
 90TH PERCENTILE               6.         6.         2.      0.030      17.25
 MAXIMUM                      46.         8.         3.      0.070      18.50
 DATE OF MAXIMUM       1995-09-05 1994-12-06 1994-10-24 1995-09-05 1995-12-06
 STANDARD DEVIATION            9.         1.         1.      0.008       2.09




                                P    P TOTAL   SULPHATE         Cl          K
                            TOTAL       DISS                  DISS       DISS
                            15405      15417      16309      17209      19112
                           mg/L P     mg/L P   mg/L SO4    mg/L Cl     mg/L K


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         24         24         24         24
 MEAN                       0.030      0.018         6.         4.        1.2
 MINIMUM                    0.019      0.005         4.         2.        0.6
 DATE OF MINIMUM       1994-11-16 1995-08-10 1994-04-14 1995-09-05 1995-05-09
 10TH PERCENTILE            0.020      0.006         4.         3.        0.8
 MEDIAN                     0.028      0.015         6.         4.        1.2
 90TH PERCENTILE            0.035      0.025         7.         4.        1.7
 MAXIMUM                    0.077      0.049         7.         4.        2.1
 DATE OF MAXIMUM       1995-09-05 1995-09-05 1995-12-06 1994-03-15 1994-12-06
 STANDARD DEVIATION         0.012      0.010         1.         1.        0.4




                               Ca         Mn         Fe         Cu         Zn
                             DISS       DISS       DISS       DISS       DISS
                            20109      25104      26104      29106      30104
                             mg/L    mg/L Mn    mg/L Fe    mg/L Cu    mg/L Zn


 NO. OF L-FLAGGED VALUES        0         22         21         24         16
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24          2          3          0          8
 MEAN                      11.821       0.01       0.06      0.010      0.008
 MINIMUM                    7.500       0.01       0.05      0.010      0.005
 DATE OF MINIMUM       1994-04-14 1994-02-24 1994-02-24 1994-01-26 1994-03-15
 10TH PERCENTILE            8.680       0.01       0.05      0.010      0.005
 MEDIAN                    12.100       0.01       0.05      0.010      0.005
 90TH PERCENTILE           13.700       0.01       0.06      0.010      0.016
 MAXIMUM                   17.900       0.02       0.30      0.010      0.018
 DATE OF MAXIMUM       1994-12-06 1994-01-26 1995-09-05 1995-12-06 1995-09-05
 STANDARD DEVIATION         2.308       0.00       0.05      0.000      0.005




                         COLIFORM   FAEC COL         Cd         Pb       INST
                            TOTAL                  DISS       DISS     DISCHG
                            36001      36011      48102      82103      97160
                         No/100ml   No/100ml    mg/L Cd    mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES        0          2         24         24          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         22          0          0         24
 MEAN                        958.       103.      0.001      0.010       56.3
 MINIMUM                      33.         1.      0.001      0.010        5.5
 DATE OF MINIMUM       1995-12-06 1994-12-06 1994-01-26 1994-01-26 1994-11-16
 10TH PERCENTILE              69.         2.      0.001      0.010       11.7
 MEDIAN                      300.        14.      0.001      0.010       26.1
 90TH PERCENTILE            2900.       300.      0.001      0.010      135.8
 MAXIMUM                    5400.      1000.      0.001      0.010      185.4
 DATE OF MAXIMUM       1995-09-05 1994-11-16 1995-12-06 1995-12-06 1995-09-05
 STANDARD DEVIATION         1400.       234.      0.000      0.000       55.1





 STATION - LAKE KASUMIGAUGA STA.3                   STATION NO. 080025
 COUNTRY - JAPAN                                    DEPTH(M)       4.0
 LOCATION - OCT. 2  LAT. 36/07/11  LONG. 140/23/25  ELEVATION(M)   0.2
 REGIONAL CENTRE - WPRA                             WATER TYPE   LAKE       

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1996-01-16 TO 1996-12-11

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                            INTEG       ELEC       TEMP      TRANS   ORG CARB
                           SAMPLE       COND                             PART
                            00190      02041      02062      02076      06076
                              N/A      us/cm      deg C          m     ug/g C


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12         12         12         12         12
 MEAN                          1.       291.       15.1        0.6    1.9E+05
 MINIMUM                       1.       241.        2.9        0.4    1.5E+05
 DATE OF MINIMUM       1996-01-16 1996-10-08 1996-02-07 1996-02-07 1996-02-07
 10TH PERCENTILE               1.       242.        3.2        0.5    1.5E+05
 MEDIAN                        1.       293.       15.8        0.6    1.9E+05
 90TH PERCENTILE               1.       325.       25.2        0.7    2.3E+05
 MAXIMUM                       1.       338.       26.5        0.8    2.5E+05
 DATE OF MAXIMUM       1996-12-11 1996-08-07 1996-08-07 1996-06-12 1996-12-11
 STANDARD DEVIATION            0.        33.        8.3        0.1    3.4E+04




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


 NO. OF L-FLAGGED VALUES        0          0          0          0        
 NO. OF G-FLAGGED VALUES        0          0          0          0          
 NO. OF UNFLAGGED VALUES       12         12         12         12        
 MEAN                      0.0984       0.10        0.5       0.01   
 MINIMUM                   0.0600       0.00        0.3       0.00   
 DATE OF MINIMUM       1996-01-16 1996-06-12 1996-03-06 1996-05-08 
 10TH PERCENTILE           0.0638       0.00        0.3       0.00  
 MEDIAN                    0.0945       0.02        0.4       0.00   
 90TH PERCENTILE           0.1258       0.24        0.8       0.02   
 MAXIMUM                   0.1350       0.55        0.9       0.02   
 DATE OF MAXIMUM       1996-04-03 1996-10-08 1996-02-07 1996-03-06 
 STANDARD DEVIATION        0.0219       0.17        0.2       0.01   




                               O2     OXYGEN         pH   SUSP SOL         Na
                             DISS    TOT COD               105 DEG       DISS
                            08102      08305      10302      10401      11111
                          mg/L O2    mg/L O2   pH UNITS       mg/L    mg/L Na


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12         12         12         12          9
 MEAN                        11.9         8.        9.0        27.      32.53
 MINIMUM                      8.3         5.        8.4        20.      28.00
 DATE OF MINIMUM       1996-10-08 1996-01-16 1996-09-11 1996-01-16 1996-10-08
 10TH PERCENTILE              8.5         5.        8.4        20.           
 MEDIAN                      11.7         8.        9.1        24.      32.10
 90TH PERCENTILE             14.9        10.        9.4        37.           
 MAXIMUM                     15.7        12.       10.0        46.      39.60
 DATE OF MAXIMUM       1996-07-15 1996-04-03 1996-07-15 1996-02-07 1996-09-11
 STANDARD DEVIATION           2.5         2.        0.4         8.       3.78




                               Mg         Si          P    P TOTAL    P TOTAL
                             DISS       DISS      TOTAL       DISS       PART
                            12111      14111      15405      15417      15902
                          mg/L Mg   mg/LSiO2     mg/L P     mg/L P     ug/g P


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        9          9         12         12         12
 MEAN                          8.        2.6      0.136      0.031   4025.000
 MINIMUM                       7.        0.2      0.108      0.014   2900.000
 DATE OF MINIMUM       1996-10-08 1996-04-03 1996-01-16 1996-04-03 1996-04-03
 10TH PERCENTILE                                  0.108      0.014   2920.000
 MEDIAN                        8.        2.2      0.133      0.019   4250.000
 90TH PERCENTILE                                  0.151      0.058   4800.000
 MAXIMUM                       8.        7.2      0.195      0.107   5500.000
 DATE OF MAXIMUM       1996-09-11 1996-08-07 1996-08-07 1996-08-07 1996-12-11
 STANDARD DEVIATION            1.        2.1      0.023      0.028    859.307




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


 NO. OF L-FLAGGED VALUES        0          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        9          9
 MEAN                         5.9     18.122
 MINIMUM                      5.0     16.200
 DATE OF MINIMUM       1996-04-03 1996-10-08
 10TH PERCENTILE                            
 MEDIAN                       6.0     18.300
 90TH PERCENTILE                            
 MAXIMUM                      7.0     19.300
 DATE OF MAXIMUM       1996-09-11 1996-06-12
 STANDARD DEVIATION           0.6      1.170





 STATION - LAKE KASUMIGAUGA STA.9                   STATION NO. 080026
 COUNTRY - JAPAN                                    DEPTH(M)       4.0
 LOCATION - OCT. 2  LAT. 36/02/35  LONG. 140/24/42  ELEVATION(M)   0.2
 REGIONAL CENTRE - WPRA                             WATER TYPE   LAKE       

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1996-01-16 TO 1996-12-11

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                            INTEG       ELEC       TEMP      TRANS   ORG CARB
                           SAMPLE       COND                             PART
                            00190      02041      02062      02076      06076
                              N/A      us/cm      deg C          m     ug/g C


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12         12         12         12         12
 MEAN                          1.       346.       14.6        0.8    1.9E+05
 MINIMUM                       1.       295.        2.8        0.6    1.3E+05
 DATE OF MINIMUM       1996-01-16 1996-12-11 1996-02-07 1996-02-07 1996-10-08
 10TH PERCENTILE               1.       295.        3.2        0.6    1.3E+05
 MEDIAN                        1.       354.       15.5        0.9    2.0E+05
 90TH PERCENTILE               1.       375.       24.1        0.9    2.3E+05
 MAXIMUM                       1.       377.       25.8        1.0    2.6E+05
 DATE OF MAXIMUM       1996-12-11 1996-03-06 1996-08-07 1996-05-08 1996-12-11
 STANDARD DEVIATION            0.        28.        8.1        0.1    3.8E+04




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


 NO. OF L-FLAGGED VALUES        0          0          0          0        
 NO. OF G-FLAGGED VALUES        0          0          0          0         
 NO. OF UNFLAGGED VALUES       12         12         12         12        
 MEAN                      0.0619       0.03        0.4       0.02   
 MINIMUM                   0.0420       0.00        0.3       0.00   
 DATE OF MINIMUM       1996-07-15 1996-05-08 1996-03-06 1996-05-08 
 10TH PERCENTILE           0.0432       0.00        0.3       0.00   
 MEDIAN                    0.0635       0.00        0.4       0.00   
 90TH PERCENTILE           0.0797       0.11        0.5       0.06   
 MAXIMUM                   0.0830       0.13        0.5       0.10   
 DATE OF MAXIMUM       1996-10-08 1996-03-06 1996-09-11 1996-01-16 
 STANDARD DEVIATION        0.0134       0.05        0.1       0.03   




                               O2     OXYGEN         pH   SUSP SOL         Na
                             DISS    TOT COD               105 DEG       DISS
                            08102      08305      10302      10401      11111
                          mg/L O2    mg/L O2   pH UNITS       mg/L    mg/L Na


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12         12         12         12          9
 MEAN                        10.6         7.        8.3        19.      40.73
 MINIMUM                      6.9         5.        7.7        14.      36.80
 DATE OF MINIMUM       1996-06-12 1996-03-06 1996-06-12 1996-12-11 1996-04-03
 10TH PERCENTILE              7.1         5.        7.8        14.           
 MEDIAN                      11.1         7.        8.2        18.      40.50
 90TH PERCENTILE             13.0         8.        8.7        26.           
 MAXIMUM                     13.2         8.        9.5        31.      44.90
 DATE OF MAXIMUM       1996-02-07 1996-04-03 1996-07-15 1996-02-07 1996-09-11
 STANDARD DEVIATION           2.3         1.        0.5         5.       2.75




                               Mg         Si          P    P TOTAL    P TOTAL
                             DISS       DISS      TOTAL       DISS       PART
                            12111      14111      15405      15417      15902
                          mg/L Mg   mg/LSiO2     mg/L P     mg/L P     ug/g P


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        9          9         12         12         12
 MEAN                          9.        2.7      0.101      0.026   4125.000
 MINIMUM                       8.        0.2      0.065      0.011   2800.000
 DATE OF MINIMUM       1996-10-08 1996-05-08 1996-03-06 1996-12-11 1996-03-06
 10TH PERCENTILE                                  0.068      0.011   2820.000
 MEDIAN                        9.        1.6      0.098      0.016   3750.000
 90TH PERCENTILE                                  0.134      0.044   5710.000
 MAXIMUM                       9.        6.7      0.147      0.094   6000.000
 DATE OF MAXIMUM       1996-09-11 1996-08-07 1996-08-07 1996-08-07 1996-12-11
 STANDARD DEVIATION            0.        2.2      0.024      0.024   1119.355




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


 NO. OF L-FLAGGED VALUES        0          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        9          9
 MEAN                         6.3     19.200
 MINIMUM                      5.0     18.100
 DATE OF MINIMUM       1996-04-03 1996-10-08
 10TH PERCENTILE                            
 MEDIAN                       6.0     19.400
 90TH PERCENTILE                            
 MAXIMUM                      7.0     20.000
 DATE OF MAXIMUM       1996-09-11 1996-09-11
 STANDARD DEVIATION           0.7      0.604





 STATION - LAKE KASUMIGAUGA STA.12                  STATION NO. 080027
 COUNTRY - JAPAN                                    DEPTH(M)       4.0
 LOCATION - OCT. 2  LAT. 35/58/40  LONG. 140/28/53  ELEVATION(M)   0.2
 REGIONAL CENTRE - WPRA                             WATER TYPE   LAKE       

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1996-01-16 TO 1996-12-11

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                            INTEG       ELEC       TEMP      TRANS   ORG CARB
                           SAMPLE       COND                             PART
                            00190      02041      02062      02076      06076
                              N/A      us/cm      deg C          m     ug/g C


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12         12         12         12         12
 MEAN                          1.       388.       14.6        0.8    1.8E+05
 MINIMUM                       1.       332.        2.3        0.6    1.3E+05
 DATE OF MINIMUM       1996-01-16 1996-10-08 1996-02-07 1996-10-08 1996-11-06
 10TH PERCENTILE               1.       336.        2.9        0.6    1.3E+05
 MEDIAN                        1.       386.       15.2        0.8    1.7E+05
 90TH PERCENTILE               1.       432.       23.5        0.9    2.2E+05
 MAXIMUM                       1.       450.       25.5        1.0    2.8E+05
 DATE OF MAXIMUM       1996-12-11 1996-03-06 1996-08-07 1996-04-03 1996-12-11
 STANDARD DEVIATION            0.        37.        7.7        0.1    4.3E+04




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


 NO. OF L-FLAGGED VALUES        0          0          0          0        
 NO. OF G-FLAGGED VALUES        0          0          0          0      
 NO. OF UNFLAGGED VALUES       12         12         12         12       
 MEAN                      0.0564       0.02        0.4       0.01   
 MINIMUM                   0.0450       0.00        0.3       0.00   
 DATE OF MINIMUM       1996-05-08 1996-05-08 1996-03-06 1996-10-08 
 10TH PERCENTILE           0.0456       0.00        0.3       0.00   
 MEDIAN                    0.0495       0.00        0.4       0.00   
 90TH PERCENTILE           0.0688       0.06        0.4       0.04   
 MAXIMUM                   0.0840       0.14        0.6       0.05   
 DATE OF MAXIMUM       1996-10-08 1996-03-06 1996-09-11 1996-03-06 
 STANDARD DEVIATION        0.0120       0.04        0.1       0.02   




                               O2     OXYGEN         pH   SUSP SOL         Na
                             DISS    TOT COD               105 DEG       DISS
                            08102      08305      10302      10401      11111
                          mg/L O2    mg/L O2   pH UNITS       mg/L    mg/L Na


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12         12         12         12          9
 MEAN                        10.8         7.        8.4        21.      46.30
 MINIMUM                      7.8         5.        7.8        11.      40.60
 DATE OF MINIMUM       1996-06-12 1996-01-16 1996-05-08 1996-12-11 1996-10-08
 10TH PERCENTILE              7.9         5.        7.8        12.           
 MEDIAN                      11.0         7.        8.3        21.      44.50
 90TH PERCENTILE             13.2         8.        8.7        28.           
 MAXIMUM                     13.5         8.        9.5        30.      54.30
 DATE OF MAXIMUM       1996-02-07 1996-09-11 1996-07-15 1996-03-06 1996-11-06
 STANDARD DEVIATION           2.1         1.        0.5         6.       4.49




                               Mg         Si          P    P TOTAL    P TOTAL
                             DISS       DISS      TOTAL       DISS       PART
                            12111      14111      15405      15417      15902
                          mg/L Mg   mg/LSiO2     mg/L P     mg/L P     ug/g P


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        9          9         12         12         12
 MEAN                         10.        3.1      0.093      0.020   3675.000
 MINIMUM                       8.        0.4      0.061      0.011   1900.000
 DATE OF MINIMUM       1996-10-08 1996-04-03 1996-04-03 1996-12-11 1996-03-06
 10TH PERCENTILE                                  0.063      0.011   2040.000
 MEDIAN                       10.        2.8      0.090      0.014   3600.000
 90TH PERCENTILE                                  0.121      0.029   4510.000
 MAXIMUM                      10.        7.0      0.142      0.063   6000.000
 DATE OF MAXIMUM       1996-11-06 1996-08-07 1996-08-07 1996-08-07 1996-12-11
 STANDARD DEVIATION            1.        2.2      0.024      0.015   1060.981




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


 NO. OF L-FLAGGED VALUES        0          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        9          9
 MEAN                         6.6     19.789
 MINIMUM                      6.0     17.300
 DATE OF MINIMUM       1996-04-03 1996-10-08
 10TH PERCENTILE                            
 MEDIAN                       7.0     19.900
 90TH PERCENTILE                            
 MAXIMUM                      7.0     20.800
 DATE OF MAXIMUM       1996-12-11 1996-05-08
 STANDARD DEVIATION           0.5      1.073



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GEMS/WATER
URL of this page: http://www.cciw.ca/summary/jap94-e.html
Last updated: 2001-07-30