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STATISTICS for JAPAN

STATISTICS FOR JAPAN


GEMS/WATER - STATISTICAL SUMMARY BY STATION     2002-02-21   PAGE   1

 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-07 TO 1999-12-27

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP     NO3NO2        NH3    PERCENT
                             COND                                      DO SAT
                            02041      02061      07316      07555      08001
                            us/cm      deg C     mg/L N     mg/L N    PERCENT


 NO. OF L-FLAGGED VALUES        0          0         36        153          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES      153        153          0          0         36
 MEAN                        119.        8.9       1.00       0.02        93.
 MINIMUM                      60.        1.7       1.00       0.02        79.
 DATE OF MINIMUM       1999-08-02 1999-02-22 1997-01-07 1997-01-07 1997-04-07
 10TH PERCENTILE              78.        2.8       1.00       0.02        83.
 MEDIAN                      119.        7.0       1.00       0.02        90.
 90TH PERCENTILE             153.       17.9       1.00       0.02       101.
 MAXIMUM                     209.       19.7       1.00       0.02       115.
 DATE OF MAXIMUM       1999-09-13 1999-08-23 1999-12-06 1999-12-27 1998-11-09
 STANDARD DEVIATION           28.        5.7       0.00       0.00         8.




                               O2        BOD          F        ALK         pH
                             DISS                  DISS      TOTAL           
                            08102      08201      09116      10102      10302
                          mg/L O2    mg/L O2     mg/L F       mg/L   pH UNITS


 NO. OF L-FLAGGED VALUES        0          1         18          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         35          0         36        153
 MEAN                        10.5         2.        0.1      18.06        7.0
 MINIMUM                      8.7         0.        0.1      10.00        6.7
 DATE OF MINIMUM       1998-09-07 1998-08-03 1997-01-07 1998-04-07 1997-04-30
 10TH PERCENTILE              9.0         1.        0.1      14.00        6.9
 MEDIAN                      10.6         2.        0.1      18.00        7.0
 90TH PERCENTILE             11.6         3.        0.1      22.00        7.1
 MAXIMUM                     13.2         3.        0.1      23.00        7.3
 DATE OF MAXIMUM       1998-12-07 1999-08-09 1999-12-06 1998-09-07 1998-10-12
 STANDARD DEVIATION           1.0         1.        0.0       3.27        0.1




                         SUSP SOL         Na         Mg         Al   SULPHATE
                          105 DEG       DISS       DISS      TOTAL           
                            10401      11115      12115      13009      16309
                             mg/L    mg/L Na    mg/L Mg    mg/L Al   mg/L SO4


 NO. OF L-FLAGGED VALUES        8          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       28         36         12         36         12
 MEAN                          3.        10.         2.      0.114        12.
 MINIMUM                       1.         5.         2.      0.030         1.
 DATE OF MINIMUM       1997-03-10 1999-05-10 1997-07-07 1998-08-03 1998-07-06
 10TH PERCENTILE               1.         6.         2.      0.040         3.
 MEDIAN                        2.         9.         2.      0.100        14.
 90TH PERCENTILE               6.        14.         3.      0.203        16.
 MAXIMUM                      12.        16.         3.      0.240        22.
 DATE OF MAXIMUM       1999-10-04 1999-11-08 1999-04-05 1997-05-06 1998-01-06
 STANDARD DEVIATION            3.         3.         0.      0.064         5.




                               Cl          K         Ca         Cr         Mn
                             DISS       DISS       DISS       DISS      TOTAL
                            17204      19115      20115      24111      25010
                          mg/L Cl     mg/L K    mg/L Ca    mg/L Cr    mg/L Mn


 NO. OF L-FLAGGED VALUES        0          0          0         27          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         12         12          0         36
 MEAN                         18.        2.1      8.542      0.005       0.03
 MINIMUM                       9.        1.2      6.200      0.005       0.02
 DATE OF MINIMUM       1998-05-11 1997-07-07 1999-01-11 1997-01-07 1997-12-01
 10TH PERCENTILE              11.        1.3      6.280      0.005       0.02
 MEDIAN                       18.        2.0      8.550      0.005       0.03
 90TH PERCENTILE              25.        2.7     10.100      0.005       0.05
 MAXIMUM                      28.        3.1     11.200      0.005       0.06
 DATE OF MAXIMUM       1997-08-04 1998-07-06 1999-04-05 1999-03-01 1999-04-05
 STANDARD DEVIATION            5.        0.5      1.603      0.000       0.01




                               Fe         Cu         Zn         As         Se
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            26009      29006      30009      33007      34002
                          mg/L Fe    mg/L Cu    mg/L Zn    mg/L As    mg/L Se


 NO. OF L-FLAGGED VALUES        0         12         12          0         28
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12          0          0         36          0
 MEAN                        0.17      0.100      0.100      0.013      0.001
 MINIMUM                     0.07      0.100      0.100      0.003      0.001
 DATE OF MINIMUM       1998-01-06 1997-01-07 1997-01-07 1999-05-10 1997-01-07
 10TH PERCENTILE             0.07      0.100      0.100      0.005      0.001
 MEDIAN                      0.14      0.100      0.100      0.013      0.001
 90TH PERCENTILE             0.30      0.100      0.100      0.020      0.001
 MAXIMUM                     0.39      0.100      0.100      0.031      0.001
 DATE OF MAXIMUM       1999-10-04 1999-10-04 1999-10-04 1998-09-07 1999-07-05
 STANDARD DEVIATION          0.10      0.000      0.000      0.006      0.000




                         COLIFORM   FAEC COL         Cd         Ba         Pb
                            TOTAL                 TOTAL      TOTAL      TOTAL
                            36001      36011      48001      80011      82911
                         No/100ml   No/100ml    mg/L Cd    ug/L Hg    mg/L Pb


 NO. OF L-FLAGGED VALUES        0          0         28         28         35
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES      153         36          0          0          0
 MEAN                       1055.       124.      0.001      0.050      0.005
 MINIMUM                      17.         0.      0.001      0.050      0.005
 DATE OF MINIMUM       1998-02-23 1999-02-01 1997-01-07 1997-01-07 1997-01-07
 10TH PERCENTILE              49.         4.      0.001      0.050      0.005
 MEDIAN                      330.        19.      0.001      0.050      0.005
 90TH PERCENTILE            2680.        83.      0.001      0.050      0.005
 MAXIMUM                   35000.      3300.      0.001      0.050      0.005
 DATE OF MAXIMUM       1999-08-02 1998-04-07 1999-07-05 1999-07-05 1999-12-06
 STANDARD DEVIATION         3135.       547.      0.000      0.000      0.000




                          BENZENE       INST
                                      DISCHG
                            95100      97160
                             ug/L       m3/S


 NO. OF L-FLAGGED VALUES       28          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        0        153
 MEAN                         0.8       25.4
 MINIMUM                      0.5        9.5
 DATE OF MINIMUM       1997-01-07 1999-09-13
 10TH PERCENTILE              0.5       11.5
 MEDIAN                       1.0       18.2
 90TH PERCENTILE              1.0       40.9
 MAXIMUM                      1.0      234.0
 DATE OF MAXIMUM       1999-07-05 1999-08-02
 STANDARD DEVIATION           0.2       26.0





 STATION - URAWA PURIFICATION PLANT                 STATION NO. 080002
 COUNTRY - JAPAN                                    DEPTH(M)     236.5
 LOCATION - OCT. 2  LAT. 35/51/20  LONG. 139/39/40  ELEVATION(M) -17.1
 REGIONAL CENTRE - WPRA                             WATER TYPE   GROUNDWATER

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-08 TO 1999-12-13

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP    PHENOLS     NO3NO2     NO3NO2
                             COND                                            
                            02041      02061      06532      07105      07316
                            us/cm      deg C       mg/L     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES        0          0         28          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         35          0          7         28
 MEAN                        122.       16.4      4.108       0.67       0.69
 MINIMUM                     112.       16.1      0.005       0.62       0.61
 DATE OF MINIMUM       1999-06-09 1997-01-08 1997-08-20 1997-05-21 1999-04-12
 10TH PERCENTILE             117.       16.2      0.005                  0.62
 MEDIAN                      122.       16.3      5.000       0.67       0.68
 90TH PERCENTILE             126.       16.6      5.000                  0.77
 MAXIMUM                     129.       16.8      5.000       0.74       0.87
 DATE OF MAXIMUM       1997-11-05 1998-09-09 1999-12-13 1997-01-08 1999-08-02
 STANDARD DEVIATION            4.        0.2      1.948       0.04       0.07




                              NH3    AMMONIA          F          F        ALK
                                        DISS       DISS       DISS      TOTAL
                            07551      07564      09110      09116      10102
                           mg/L N     mg/L N     mg/L F     mg/L F       mg/L


 NO. OF L-FLAGGED VALUES        7         27          3         24          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          4          4         31
 MEAN                        0.04        0.0        0.0        0.1      51.96
 MINIMUM                     0.04        0.0        0.0        0.1      44.00
 DATE OF MINIMUM       1997-01-08 1997-08-20 1997-01-08 1997-08-20 1997-06-09
 10TH PERCENTILE                         0.0                   0.1      45.05
 MEDIAN                      0.04        0.0        0.1        0.1      52.60
 90TH PERCENTILE                         0.0                   0.1      54.98
 MAXIMUM                     0.04        0.0        0.1        0.1      55.80
 DATE OF MAXIMUM       1997-07-07 1999-12-13 1997-07-07 1999-12-13 1997-08-20
 STANDARD DEVIATION          0.00        0.0        0.0        0.0       3.22




                               pH         Na         Cl         Cl         Cr
                                        DISS       DISS       DISS      TOTAL
                            10300      11115      17204      17209      24002
                         pH UNITS    mg/L Na    mg/L Cl    mg/L Cl    mg/L Cr


 NO. OF L-FLAGGED VALUES        0          0          0          0          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         32          7         28          0
 MEAN                         7.4         9.         2.         2.      0.001
 MINIMUM                      7.3         8.         2.         2.           
 DATE OF MINIMUM       1997-07-07 1998-12-07 1997-01-08 1999-04-12           
 10TH PERCENTILE              7.3         9.                    2.           
 MEDIAN                       7.4         9.         2.         2.           
 90TH PERCENTILE              7.4        10.                    3.           
 MAXIMUM                      7.5        10.         3.         3.           
 DATE OF MAXIMUM       1997-03-12 1998-11-09 1997-07-07 1997-09-24           
 STANDARD DEVIATION           0.0         0.         0.         0.           




                               Cr         Mn         Mn         Fe         Fe
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            24911      25004      25010      26002      26009
                          mg/L Cr    mg/L Mn    mg/L Mn    mg/L Fe    mg/L Fe


 NO. OF L-FLAGGED VALUES       28          6         26          6         22
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          2          1          6
 MEAN                       0.001       0.00       0.00       0.02       0.01
 MINIMUM                    0.001       0.00       0.00       0.00       0.00
 DATE OF MINIMUM       1997-08-20 1997-01-08 1997-08-20 1997-04-07 1997-08-20
 10TH PERCENTILE            0.001                  0.00                  0.00
 MEDIAN                     0.001       0.00       0.00       0.01       0.00
 90TH PERCENTILE            0.001                  0.00                  0.01
 MAXIMUM                    0.001       0.00       0.00       0.03       0.08
 DATE OF MAXIMUM       1999-12-13 1997-07-07 1998-08-10 1997-03-12 1999-04-12
 STANDARD DEVIATION         0.000       0.00       0.00       0.01       0.01




                               Cu         Cu         Zn         Zn         As
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            29006      29009      30004      30009      33003
                          mg/L Cu    mg/L Cu    mg/L Zn    mg/L Zn    mg/L As


 NO. OF L-FLAGGED VALUES        7         28          3          4          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          4         24          0
 MEAN                       0.007      0.004      0.003      0.003      0.001
 MINIMUM                    0.004      0.004      0.001      0.001           
 DATE OF MINIMUM       1997-04-07 1997-08-20 1997-04-07 1997-08-20           
 10TH PERCENTILE                       0.004                 0.001           
 MEDIAN                     0.004      0.004      0.002      0.001           
 90TH PERCENTILE                       0.004                 0.003           
 MAXIMUM                    0.010      0.004      0.005      0.031           
 DATE OF MAXIMUM       1997-03-12 1999-12-13 1997-03-12 1999-04-12           
 STANDARD DEVIATION         0.003      0.000      0.002      0.006           




                               As         Se         Se   COLIFORM   FAEC COL
                            TOTAL      TOTAL      TOTAL      TOTAL           
                            33011      34002      34007      36001      36011
                          mg/L As    mg/L Se    mg/L Se   No/100ml   No/100ml


 NO. OF L-FLAGGED VALUES       27          3         28          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          0          0         35         35
 MEAN                       0.001      0.001      0.001         0.         0.
 MINIMUM                    0.001                 0.001         0.         0.
 DATE OF MINIMUM       1997-08-20            1997-08-20 1997-01-08 1997-01-08
 10TH PERCENTILE            0.001                 0.001         0.         0.
 MEDIAN                     0.001                 0.001         0.         0.
 90TH PERCENTILE            0.001                 0.001         0.         0.
 MAXIMUM                    0.001                 0.001         1.         0.
 DATE OF MAXIMUM       1999-12-13            1999-12-13 1997-09-24 1999-12-13
 STANDARD DEVIATION         0.000                 0.000         0.         0.





                               Cd         Cd         Ba         Pb         Pb
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            48002      48911      80016      82002      82911
                          mg/L Cd    mg/L Cd    ug/L Hg    mg/L Pb    mg/L Pb


 NO. OF L-FLAGGED VALUES        3         28         31          3         26
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          0          2
 MEAN                       0.001      0.000      0.050      0.001      0.001
 MINIMUM                               0.000      0.050                 0.001
 DATE OF MINIMUM                  1997-08-20 1997-04-07            1997-08-20
 10TH PERCENTILE                       0.000      0.050                 0.001
 MEDIAN                                0.000      0.050                 0.001
 90TH PERCENTILE                       0.000      0.050                 0.001
 MAXIMUM                               0.000      0.050                 0.001
 DATE OF MAXIMUM                  1999-12-13 1999-12-13            1999-12-13
 STANDARD DEVIATION                    0.000      0.000                 0.000




                          PHENOLS    BENZENE
                                            
                            95011      95100
                             ug/L       ug/L


 NO. OF L-FLAGGED VALUES        4         32
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        0          0
 MEAN                         5.0        0.1
 MINIMUM                      5.0        0.1
 DATE OF MINIMUM       1997-04-07 1997-04-07
 10TH PERCENTILE                         0.1
 MEDIAN                       5.0        0.1
 90TH PERCENTILE                         0.1
 MAXIMUM                      5.0        0.1
 DATE OF MAXIMUM       1997-07-07 1999-12-13
 STANDARD DEVIATION           0.0        0.0





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-08 TO 1999-12-07

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                           SUM OF     SUM OF       ELEC       TEMP          B
                          CATIONS     ANIONS       COND                 TOTAL
                            00120      00125      02041      02061      05090
                            MEQ/L      MEQ/L      us/cm      deg C     mg/L B


 NO. OF L-FLAGGED VALUES        0          0          0          0          6
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6          6         36         36          2
 MEAN                       2.100      2.158       233.       15.1        0.1
 MINIMUM                    1.029      1.029       120.        4.5        0.1
 DATE OF MINIMUM       1997-05-13 1997-05-13 1997-05-13 1999-01-12 1997-02-18
 10TH PERCENTILE                                   161.        6.8           
 MEDIAN                     2.321      2.339       244.       15.4        0.1
 90TH PERCENTILE                                   278.       24.4           
 MAXIMUM                    2.503      2.910       317.       25.9        0.1
 DATE OF MAXIMUM       1997-11-11 1999-02-09 1997-10-14 1997-08-12 1999-02-09
 STANDARD DEVIATION         0.565      0.641        45.        6.4        0.0




                                B   ORG CARB    PHENOLS   CHLORO A     NO3NO2
                             DISS       DISS                                 
                            05190      06101      06532      06711      07316
                           mg/L B     mg/L C       mg/L       mg/L     mg/L N


 NO. OF L-FLAGGED VALUES        6          0         36          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          6          0         12         26
 MEAN                         0.1        1.5      5.000     0.0055       2.49
 MINIMUM                      0.1        1.1      5.000     0.0006       0.68
 DATE OF MINIMUM       1997-02-18 1997-08-12 1997-01-08 1999-11-24 1997-05-13
 10TH PERCENTILE                                  5.000     0.0010       1.23
 MEDIAN                       0.1        1.5      5.000     0.0047       2.60
 90TH PERCENTILE                                  5.000     0.0096       3.37
 MAXIMUM                      0.1        2.0      5.000     0.0097       4.00
 DATE OF MAXIMUM       1999-02-09 1998-02-17 1999-12-07 1997-11-11 1998-11-10
 STANDARD DEVIATION           0.0        0.4      0.000     0.0031       0.80




                           ORG. N        NH3    PERCENT         O2        BOD
                             DISS                DO SAT       DISS           
                            07403      07555      08001      08101      08201
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        6          0          0          0          4
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        4         36         36         36         32
 MEAN                         0.6       0.24        95.        9.6         2.
 MINIMUM                      0.1       0.03        84.        7.3         1.
 DATE OF MINIMUM       1997-02-18 1999-09-07 1997-04-08 1997-08-12 1997-02-18
 10TH PERCENTILE              0.1       0.06        86.        7.4         1.
 MEDIAN                       0.1       0.16        96.        9.5         1.
 90TH PERCENTILE              1.7       0.46       103.       11.9         2.
 MAXIMUM                      2.8       0.80       108.       12.2        10.
 DATE OF MAXIMUM       1999-02-09 1997-03-17 1999-10-12 1997-02-18 1997-04-08
 STANDARD DEVIATION           0.9       0.18         7.        1.5         2.




                                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        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6         36         36         16          6
 MEAN                         0.2      32.60        7.2        25.        16.
 MINIMUM                      0.1      16.00        6.8         2.         8.
 DATE OF MINIMUM       1997-05-13 1997-05-13 1998-05-12 1997-01-08 1997-05-13
 10TH PERCENTILE                       21.30        7.0         3.           
 MEDIAN                       0.2      33.25        7.1         6.        18.
 90TH PERCENTILE                       40.15        7.3        26.           
 MAXIMUM                      0.2      55.50        7.4       270.        20.
 DATE OF MAXIMUM       1999-02-09 1999-02-09 1997-11-11 1997-04-08 1997-02-18
 STANDARD DEVIATION           0.0       7.54        0.1        66.         4.




                              SAR         Mg         Al         Al         Al
                                        DISS      TOTAL       DISS       DISS
                            11201      12103      13090      13109      13190
                         REL.UNIT    mg/L Mg    mg/L Al    mg/L Al    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        6          6          8          1          7
 MEAN                       0.819         4.      0.311      0.190      0.031
 MINIMUM                    0.612         2.      0.010                 0.020
 DATE OF MINIMUM       1997-05-13 1997-05-13 1999-02-09            1998-05-12
 10TH PERCENTILE                                                             
 MEDIAN                     0.854         5.      0.380                 0.030
 90TH PERCENTILE                                                             
 MAXIMUM                    0.988         5.      0.430                 0.040
 DATE OF MAXIMUM       1997-02-18 1999-02-09 1998-05-12            1998-08-11
 STANDARD DEVIATION         0.148         1.      0.151                 0.007




                               Si          P    P TOTAL   SULPHATE         Cl
                         REACTIVE      TOTAL       DISS                  DISS
                            14101      15405      15417      16309      17203
                         mg/LSiO2     mg/L P     mg/L P   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        6          6          6          6         21
 MEAN                       20.57      0.095      0.057        37.        18.
 MINIMUM                    15.00      0.051      0.020        21.        10.
 DATE OF MINIMUM       1997-05-13 1997-05-13 1997-05-13 1997-05-13 1998-06-23
 10TH PERCENTILE                                                          10.
 MEDIAN                     21.20      0.100      0.061        40.        18.
 90TH PERCENTILE                                                          27.
 MAXIMUM                    26.00      0.120      0.087        46.        31.
 DATE OF MAXIMUM       1997-11-11 1999-02-09 1999-02-09 1997-11-11 1998-12-08
 STANDARD DEVIATION          4.87      0.026      0.023         9.         6.




                               Cl          K         Ca         Cr         Cr
                             DISS       DISS       DISS      TOTAL       DISS
                            17209      19103      20103      24090      24190
                          mg/L Cl     mg/L K    mg/L Ca    mg/L Cr    mg/L Cr


 NO. OF L-FLAGGED VALUES        0          0          0          8          8
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        5          6          6          0          0
 MEAN                         20.        2.6     19.954      0.005      0.005
 MINIMUM                       8.        1.4      9.640      0.005      0.005
 DATE OF MINIMUM       1997-05-13 1997-05-13 1997-05-13 1997-02-18 1997-02-18
 10TH PERCENTILE                                                             
 MEDIAN                       24.        2.8     21.125      0.005      0.005
 90TH PERCENTILE                                                             
 MAXIMUM                      28.        3.0     25.630      0.005      0.005
 DATE OF MAXIMUM       1997-02-18 1997-02-18 1997-11-11 1999-02-09 1999-02-09
 STANDARD DEVIATION            9.        0.6      5.486      0.000      0.000




                               Mn         Mn         Fe         Fe         Ni
                            TOTAL       DISS      TOTAL       DISS      TOTAL
                            25090      25190      26090      26190      28090
                          mg/L Mn    mg/L Mn    mg/L Fe    mg/L Fe    mg/L Ni


 NO. OF L-FLAGGED VALUES        0          0          1          2          6
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6          6          5          4          2
 MEAN                        0.05       0.04       0.17       0.06      0.005
 MINIMUM                     0.02       0.01       0.01       0.01      0.005
 DATE OF MINIMUM       1997-05-13 1997-08-12 1999-02-09 1997-02-18 1997-05-13
 10TH PERCENTILE                                                             
 MEDIAN                      0.05       0.04       0.18       0.01      0.005
 90TH PERCENTILE                                                             
 MAXIMUM                     0.08       0.09       0.25       0.27      0.006
 DATE OF MAXIMUM       1997-02-18 1999-02-09 1997-11-11 1999-02-09 1997-02-18
 STANDARD DEVIATION          0.02       0.03       0.09       0.11      0.000




                               Ni         Cu         Cu         Zn         Zn
                             DISS      TOTAL       DISS      TOTAL       DISS
                            28190      29090      29190      30090      30190
                          mg/L Ni    mg/L Cu    mg/L Cu    mg/L Zn    mg/L Zn


 NO. OF L-FLAGGED VALUES        6          6          8          1          4
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          2          0          7          4
 MEAN                       0.005      0.006      0.004      0.009      0.007
 MINIMUM                    0.005      0.004      0.004      0.005      0.005
 DATE OF MINIMUM       1997-02-18 1997-05-13 1997-02-18 1997-05-13 1997-02-18
 10TH PERCENTILE                                                             
 MEDIAN                     0.005      0.004      0.004      0.009      0.005
 90TH PERCENTILE                                                             
 MAXIMUM                    0.006      0.020      0.004      0.018      0.015
 DATE OF MAXIMUM       1999-02-09 1997-02-18 1999-02-09 1998-02-17 1999-02-09
 STANDARD DEVIATION         0.000      0.006      0.000      0.004      0.003




                               As         As         Se         Se   COLIFORM
                            TOTAL       DISS      TOTAL       DISS      TOTAL
                            33090      33190      34090      34190      36001
                          mg/L As    mg/L As    mg/L Se    mg/L Se   No/100ml


 NO. OF L-FLAGGED VALUES        0          2          8          8          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        8          6          0          0         14
 MEAN                       0.002      0.001      0.002      0.002      5554.
 MINIMUM                    0.001      0.001      0.002      0.002       480.
 DATE OF MINIMUM       1997-05-13 1997-02-18 1997-02-18 1997-02-18 1997-05-13
 10TH PERCENTILE                                                         484.
 MEDIAN                     0.002      0.001      0.002      0.002      5000.
 90TH PERCENTILE                                                       11000.
 MAXIMUM                    0.003      0.002      0.002      0.002     13000.
 DATE OF MAXIMUM       1998-02-17 1999-02-09 1999-02-09 1999-02-09 1998-08-11
 STANDARD DEVIATION         0.001      0.000      0.000      0.000      4485.




                         FAEC COL         Cd         Cd         Ba         Hg
                                       TOTAL       DISS      TOTAL       DISS
                            36011      48090      48190      80011      80111
                         No/100ml    mg/L Cd    mg/L Cd    ug/L Hg    ug/L Hg


 NO. OF L-FLAGGED VALUES        1          8          8          8          8
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       11          0          0          0          0
 MEAN                        394.      0.005      0.005      0.500      0.500
 MINIMUM                       1.      0.005      0.005      0.500      0.500
 DATE OF MINIMUM       1997-02-18 1997-02-18 1997-02-18 1997-02-18 1997-02-18
 10TH PERCENTILE               4.                                            
 MEDIAN                       70.      0.005      0.005      0.500      0.500
 90TH PERCENTILE            1147.                                            
 MAXIMUM                    1700.      0.005      0.005      0.500      0.500
 DATE OF MAXIMUM       1997-08-12 1999-02-09 1999-02-09 1999-02-09 1999-02-09
 STANDARD DEVIATION          574.      0.000      0.000      0.000      0.000




                               Pb         Pb       INST
                            TOTAL       DISS     DISCHG
                            82090      82190      97160
                          mg/L Pb    mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES        8          8          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES        0          0         20
 MEAN                       0.005      0.005      159.2
 MINIMUM                    0.005      0.005       41.0
 DATE OF MINIMUM       1997-02-18 1997-02-18 1997-11-11
 10TH PERCENTILE                                   47.0
 MEDIAN                     0.005      0.005      110.0
 90TH PERCENTILE                                  360.0
 MAXIMUM                    0.005      0.005      550.0
 DATE OF MAXIMUM       1999-02-09 1999-02-09 1997-04-08
 STANDARD DEVIATION         0.000      0.000      129.9





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-02-05 TO 1999-08-04

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                           SUM OF     SUM OF       ELEC       TEMP          B
                          CATIONS     ANIONS       COND                 TOTAL
                            00120      00125      02041      02061      05090
                            MEQ/L      MEQ/L      us/cm      deg C     mg/L B


 NO. OF L-FLAGGED VALUES        0          0          0          0         10
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       11         11         11         11          1
 MEAN                       2.335      2.329       246.       16.5        0.1
 MINIMUM                    2.228      2.206       229.       15.9        0.0
 DATE OF MINIMUM       1999-05-12 1997-02-05 1997-08-06 1999-05-12 1999-05-12
 10TH PERCENTILE            2.231      2.211       230.       15.9        0.0
 MEDIAN                     2.339      2.291       246.       16.6        0.1
 90TH PERCENTILE            2.434      2.441       255.       16.9        0.1
 MAXIMUM                    2.444      2.594       257.       17.1        0.1
 DATE OF MAXIMUM       1997-05-07 1998-11-04 1998-11-04 1999-08-04 1999-02-03
 STANDARD DEVIATION         0.079      0.109         8.        0.4        0.0




                                B    PHENOLS     NO3NO2     ORG. N        NH3
                             DISS                             DISS           
                            05190      06532      07316      07403      07555
                           mg/L B       mg/L     mg/L N     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES       10         11          0          8         11
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          0         11          0          0
 MEAN                         0.1      5.000       8.13        0.1       0.02
 MINIMUM                      0.0      5.000       7.10        0.1       0.01
 DATE OF MINIMUM       1999-05-12 1997-02-05 1997-02-05 1997-02-05 1999-05-12
 10TH PERCENTILE              0.0      5.000       7.15                  0.01
 MEDIAN                       0.1      5.000       8.00        0.1       0.02
 90TH PERCENTILE              0.1      5.000       8.96                  0.02
 MAXIMUM                      0.1      5.000       9.50        0.1       0.02
 DATE OF MAXIMUM       1999-02-03 1999-08-04 1998-11-04 1999-08-04 1999-02-03
 STANDARD DEVIATION           0.0      0.000       0.69        0.0       0.00




                          PERCENT         O2          F        ALK         pH
                           DO SAT       DISS       DISS      TOTAL           
                            08001      08101      09116      10102      10300
                          PERCENT    mg/L O2     mg/L F       mg/L   pH UNITS


 NO. OF L-FLAGGED VALUES        0          0         10          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       11         11          1         11         11
 MEAN                         84.        7.9        0.1      40.86        6.1
 MINIMUM                      78.        7.4        0.1      38.00        6.0
 DATE OF MINIMUM       1997-02-05 1997-02-05 1997-02-05 1999-08-04 1998-05-06
 10TH PERCENTILE              78.        7.4        0.1      38.15        6.0
 MEDIAN                       83.        7.9        0.1      41.00        6.1
 90TH PERCENTILE              87.        8.3        0.1      42.40        6.2
 MAXIMUM                      89.        8.5        0.1      43.50        6.2
 DATE OF MAXIMUM       1999-02-03 1999-02-03 1999-08-04 1997-11-05 1997-11-05
 STANDARD DEVIATION            3.        0.3        0.0       1.50        0.1




                         SUSP SOL         Na        SAR         Mg         Al
                          105 DEG       DISS                  DISS      TOTAL
                            10401      11103      11201      12103      13090
                             mg/L    mg/L Na   REL.UNIT    mg/L Mg    mg/L Al


 NO. OF L-FLAGGED VALUES        5          0          0          0         11
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         11         11         11          0
 MEAN                          1.        13.      0.590        10.      0.010
 MINIMUM                       1.        12.      0.548         9.      0.010
 DATE OF MINIMUM       1997-02-05 1997-02-05 1997-02-05 1998-08-05 1997-02-05
 10TH PERCENTILE                         12.      0.549         9.      0.010
 MEDIAN                        1.        13.      0.589        10.      0.010
 90TH PERCENTILE                         13.      0.617        10.      0.010
 MAXIMUM                       1.        13.      0.624        11.      0.010
 DATE OF MAXIMUM       1998-02-04 1997-11-05 1999-05-12 1998-05-06 1999-08-04
 STANDARD DEVIATION            0.         0.      0.025         1.      0.000




                               Al         Al         Si   SULPHATE         Cl
                             DISS       DISS   REACTIVE                  DISS
                            13109      13190      14101      16309      17203
                          mg/L Al    mg/L Al   mg/LSiO2   mg/L SO4    mg/L Cl


 NO. OF L-FLAGGED VALUES        6          5          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0         11         11          6
 MEAN                       0.010      0.010      25.64        17.        20.
 MINIMUM                    0.010      0.010      25.00        14.        18.
 DATE OF MINIMUM       1998-05-06 1997-02-05 1997-05-07 1998-02-04 1999-02-03
 10TH PERCENTILE                                  25.00        14.           
 MEDIAN                     0.010      0.010      26.00        16.        20.
 90TH PERCENTILE                                  26.00        18.           
 MAXIMUM                    0.010      0.010      27.00        26.        20.
 DATE OF MAXIMUM       1999-08-04 1998-02-04 1998-08-05 1998-11-04 1998-11-04
 STANDARD DEVIATION         0.000      0.000       0.67         3.         1.




                               Cl          K         Ca         Cr         Cr
                             DISS       DISS       DISS      TOTAL       DISS
                            17209      19103      20103      24090      24190
                          mg/L Cl     mg/L K    mg/L Ca    mg/L Cr    mg/L Cr


 NO. OF L-FLAGGED VALUES        0          0          0         11         11
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        5         11         11          0          0
 MEAN                         20.        0.8     18.881      0.005      0.005
 MINIMUM                      19.        0.6     16.339      0.005      0.005
 DATE OF MINIMUM       1997-02-05 1998-02-04 1998-05-06 1997-02-05 1997-02-05
 10TH PERCENTILE                         0.6     16.467      0.005      0.005
 MEDIAN                       20.        0.8     18.662      0.005      0.005
 90TH PERCENTILE                         0.9     20.552      0.005      0.005
 MAXIMUM                      21.        1.0     20.820      0.005      0.005
 DATE OF MAXIMUM       1997-11-05 1999-08-04 1997-05-07 1999-08-04 1999-08-04
 STANDARD DEVIATION            1.        0.1      1.430      0.000      0.000




                               Mn         Mn         Fe         Fe         Ni
                            TOTAL       DISS      TOTAL       DISS      TOTAL
                            25090      25190      26090      26190      28090
                          mg/L Mn    mg/L Mn    mg/L Fe    mg/L Fe    mg/L Ni


 NO. OF L-FLAGGED VALUES       11         11          5          7         10
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          6          4          1
 MEAN                        0.01       0.01       0.02       0.02      0.004
 MINIMUM                     0.00       0.00       0.01       0.01      0.001
 DATE OF MINIMUM       1999-05-12 1999-05-12 1997-02-05 1997-02-05 1999-05-12
 10TH PERCENTILE             0.00       0.00       0.01       0.01      0.001
 MEDIAN                      0.01       0.01       0.01       0.01      0.005
 90TH PERCENTILE             0.01       0.01       0.03       0.02      0.005
 MAXIMUM                     0.01       0.01       0.06       0.06      0.005
 DATE OF MAXIMUM       1999-02-03 1999-02-03 1998-08-05 1998-08-05 1999-02-03
 STANDARD DEVIATION          0.00       0.00       0.02       0.02      0.001




                               Ni         Cu         Cu         Zn         Zn
                             DISS      TOTAL       DISS      TOTAL       DISS
                            28190      29090      29190      30090      30190
                          mg/L Ni    mg/L Cu    mg/L Cu    mg/L Zn    mg/L Zn


 NO. OF L-FLAGGED VALUES       10         10         10          3          6
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          1          8          5
 MEAN                       0.004      0.005      0.005      0.011      0.009
 MINIMUM                    0.001      0.004      0.004      0.005      0.005
 DATE OF MINIMUM       1999-05-12 1997-02-05 1997-02-05 1997-08-06 1997-02-05
 10TH PERCENTILE            0.001      0.004      0.004      0.005      0.005
 MEDIAN                     0.005      0.004      0.004      0.009      0.005
 90TH PERCENTILE            0.005      0.009      0.009      0.019      0.017
 MAXIMUM                    0.005      0.010      0.010      0.030      0.030
 DATE OF MAXIMUM       1999-02-03 1999-08-04 1999-08-04 1998-02-04 1998-02-04
 STANDARD DEVIATION         0.001      0.002      0.002      0.008      0.008




                               As         As         Se         Se   COLIFORM
                            TOTAL       DISS      TOTAL       DISS      TOTAL
                            33090      33190      34090      34190      36001
                          mg/L As    mg/L As    mg/L Se    mg/L Se   No/100ml


 NO. OF L-FLAGGED VALUES       11         11          9         10         10
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          2          1          1
 MEAN                       0.010      0.010      0.002      0.002         5.
 MINIMUM                    0.001      0.001      0.001      0.001         1.
 DATE OF MINIMUM       1997-02-05 1997-02-05 1999-05-12 1999-05-12 1997-02-05
 10TH PERCENTILE            0.001      0.001      0.001      0.001         1.
 MEDIAN                     0.001      0.001      0.002      0.002         1.
 90TH PERCENTILE            0.001      0.001      0.002      0.002         1.
 MAXIMUM                    0.100      0.100      0.003      0.002        46.
 DATE OF MAXIMUM       1999-02-03 1999-02-03 1998-11-04 1999-02-03 1998-11-04
 STANDARD DEVIATION         0.030      0.030      0.001      0.000        14.




                         FAEC COL         Cd         Cd         Ba         Hg
                                       TOTAL       DISS      TOTAL       DISS
                            36011      48090      48190      80011      80111
                         No/100ml    mg/L Cd    mg/L Cd    ug/L Hg    ug/L Hg


 NO. OF L-FLAGGED VALUES       11         11         11         11         11
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          0          0
 MEAN                          1.      0.005      0.005      0.418      0.418
 MINIMUM                       1.      0.001      0.001      0.050      0.050
 DATE OF MINIMUM       1997-02-05 1999-08-04 1999-08-04 1999-05-12 1999-05-12
 10TH PERCENTILE               1.      0.001      0.001      0.050      0.050
 MEDIAN                        1.      0.005      0.005      0.500      0.500
 90TH PERCENTILE               1.      0.005      0.005      0.500      0.500
 MAXIMUM                       1.      0.005      0.005      0.500      0.500
 DATE OF MAXIMUM       1999-08-04 1999-05-12 1999-05-12 1999-02-03 1999-02-03
 STANDARD DEVIATION            0.      0.001      0.001      0.182      0.182




                               Pb         Pb
                            TOTAL       DISS
                            82090      82190
                          mg/L Pb    mg/L Pb


 NO. OF L-FLAGGED VALUES       11         11
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        0          0
 MEAN                       0.005      0.005
 MINIMUM                    0.005      0.005
 DATE OF MINIMUM       1997-02-05 1997-02-05
 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       1999-08-04 1999-08-04
 STANDARD DEVIATION         0.000      0.000





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-13 TO 1999-12-06

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP      TRANS          B   ORG CARB
                             COND                            TOTAL       DISS
                            02041      02061      02076      05011      06101
                            us/cm      deg C          m     mg/L B     mg/L C


 NO. OF L-FLAGGED VALUES        0          0          0         11          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36          1         12
 MEAN                        145.       15.3        1.6        0.0        0.9
 MINIMUM                     123.        6.8        0.5        0.0        0.6
 DATE OF MINIMUM       1999-05-10 1998-02-09 1998-09-07 1997-01-13 1997-01-13
 10TH PERCENTILE             127.        7.3        1.0        0.0        0.6
 MEDIAN                      144.       16.0        1.5        0.0        0.8
 90TH PERCENTILE             161.       23.1        2.2        0.0        1.2
 MAXIMUM                     164.       25.2        2.8        0.0        1.5
 DATE OF MAXIMUM       1997-03-10 1997-08-11 1998-07-13 1999-07-12 1997-04-07
 STANDARD DEVIATION           13.        5.6        0.5        0.0        0.3




                         CHLORO A     NO3NO2    AMMONIA    PERCENT         O2
                                                   DISS     DO SAT       DISS
                            06711      07316      07564      08001      08102
                             mg/L     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       36         36         36         36         36
 MEAN                      0.1708       1.14        0.1       108.       10.3
 MINIMUM                   0.0046       0.67        0.0        75.        6.8
 DATE OF MINIMUM       1998-02-09 1997-07-07 1997-05-12 1998-09-07 1998-09-07
 10TH PERCENTILE           0.0111       0.87        0.0        89.        8.8
 MEDIAN                    0.0839       1.12        0.0       102.       10.2
 90TH PERCENTILE           0.4402       1.42        0.1       135.       12.0
 MAXIMUM                   0.8860       1.50        0.2       150.       13.5
 DATE OF MAXIMUM       1997-09-08 1999-02-08 1997-04-07 1997-05-12 1997-05-12
 STANDARD DEVIATION        0.1960       0.20        0.0        19.        1.3




                              BOD        COD          F        ALK         pH
                                                   DISS      TOTAL           
                            08201      08301      09116      10102      10302
                          mg/L O2    mg/L O2     mg/L F       mg/L   pH UNITS


 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         12         36         36
 MEAN                          2.         2.        0.1      45.64        8.0
 MINIMUM                       0.         1.        0.1      38.00        7.3
 DATE OF MINIMUM       1999-01-13 1999-10-12 1998-10-12 1998-04-13 1998-09-07
 10TH PERCENTILE               0.         1.        0.1      38.60        7.7
 MEDIAN                        1.         2.        0.1      46.00        7.9
 90TH PERCENTILE               3.         3.        0.1      52.00        8.9
 MAXIMUM                       9.         4.        0.1      52.00        9.2
 DATE OF MAXIMUM       1997-09-08 1997-05-12 1997-01-13 1997-06-09 1997-07-07
 STANDARD DEVIATION            2.         1.        0.0       4.90        0.5




                               Na         Mg         Al         Si          P
                             DISS       DISS      TOTAL       DISS      TOTAL
                            11111      12111      13009      14111      15405
                          mg/L Na    mg/L Mg    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       12         36         12         36         35
 MEAN                        6.91         4.      0.172       25.7      0.081
 MINIMUM                     5.00         3.      0.050       16.0      0.040
 DATE OF MINIMUM       1998-10-12 1998-03-09 1999-10-12 1998-03-09 1997-08-11
 10TH PERCENTILE             5.03         4.      0.052       21.0      0.055
 MEDIAN                      7.10         4.      0.165       26.0      0.080
 90TH PERCENTILE             8.28         5.      0.274       30.0      0.110
 MAXIMUM                     8.60         6.      0.280       31.0      0.140
 DATE OF MAXIMUM       1998-01-14 1999-10-12 1999-07-12 1997-09-08 1999-03-08
 STANDARD DEVIATION          1.15         1.      0.087        3.3      0.022




                         SULPHATE         Cl       PCBS          K         Ca
                                        DISS                  DISS       DISS
                            16309      17201      18165      19111      20111
                         mg/L SO4    mg/L Cl       ug/L     mg/L K    mg/L Ca


 NO. OF L-FLAGGED VALUES        0          0          4          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36          2         15         36
 MEAN                         13.         5.      0.047        1.4     14.889
 MINIMUM                      10.         4.      0.000        1.0     12.000
 DATE OF MINIMUM       1998-09-07 1998-09-07 1997-04-07 1999-10-12 1999-08-09
 10TH PERCENTILE              10.         4.                   1.1     13.000
 MEDIAN                       12.         6.      0.040        1.3     15.000
 90TH PERCENTILE              15.         7.                   1.5     16.000
 MAXIMUM                      18.         7.      0.100        1.9     23.000
 DATE OF MAXIMUM       1997-08-11 1998-02-09 1999-10-12 1997-07-07 1999-10-12
 STANDARD DEVIATION            2.         1.      0.045        0.2      1.997




                               Cr         Mn         Mn         Fe         Fe
                            TOTAL      TOTAL       DISS      TOTAL       DISS
                            24009      25010      25109      26009      26109
                          mg/L Cr    mg/L Mn    mg/L Mn    mg/L Fe    mg/L Fe


 NO. OF L-FLAGGED VALUES       11          0         10          0          7
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1         36         26         36         29
 MEAN                       0.001       0.02       0.00       0.18       0.01
 MINIMUM                    0.000       0.00       0.00       0.01       0.00
 DATE OF MINIMUM       1997-01-13 1999-12-06 1997-01-13 1999-12-06 1997-02-10
 10TH PERCENTILE            0.000       0.01       0.00       0.07       0.00
 MEDIAN                     0.001       0.02       0.00       0.16       0.01
 90TH PERCENTILE            0.002       0.04       0.01       0.28       0.02
 MAXIMUM                    0.002       0.05       0.03       0.67       0.03
 DATE OF MAXIMUM       1999-01-13 1997-06-09 1999-02-08 1998-09-07 1997-06-09
 STANDARD DEVIATION         0.001       0.01       0.01       0.12       0.01




                               Ni         Cu         Zn         As         Se
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            28009      29009      30009      33008      34007
                          mg/L Ni    mg/L Cu    mg/L Zn    mg/L As    mg/L Se


 NO. OF L-FLAGGED VALUES       10         11          9         11         11
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          1          3          1          1
 MEAN                       0.004      0.001      0.012      0.002      0.005
 MINIMUM                    0.000      0.000      0.000      0.000      0.000
 DATE OF MINIMUM       1997-01-13 1997-01-13 1997-01-13 1997-01-13 1997-01-13
 10TH PERCENTILE            0.000      0.000      0.000      0.000      0.000
 MEDIAN                     0.002      0.001      0.001      0.001      0.006
 90TH PERCENTILE            0.005      0.002      0.008      0.002      0.010
 MAXIMUM                    0.015      0.003      0.120      0.008      0.010
 DATE OF MAXIMUM       1999-04-12 1999-01-13 1999-04-12 1998-10-12 1999-07-12
 STANDARD DEVIATION         0.004      0.001      0.034      0.002      0.004




                         COLIFORM   FAEC COL         Cd         Ba         Pb
                            TOTAL                 TOTAL      TOTAL      TOTAL
                            36001      36011      48009      80016      82911
                         No/100ml   No/100ml    mg/L Cd    ug/L Hg    mg/L Pb


 NO. OF L-FLAGGED VALUES        0          0         33         13         33
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36          3          3          3
 MEAN                     7.1E+03       209.      0.001      0.004      0.001
 MINIMUM                  1.3E+02         0.      0.000      0.000      0.000
 DATE OF MINIMUM       1998-01-14 1997-08-11 1997-01-13 1997-01-13 1997-01-13
 10TH PERCENTILE          4.3E+02         6.      0.000      0.000      0.000
 MEDIAN                   2.4E+03        48.      0.001      0.005      0.001
 90TH PERCENTILE          1.2E+04       336.      0.002      0.005      0.001
 MAXIMUM                  1.3E+05      3300.      0.003      0.005      0.002
 DATE OF MAXIMUM       1998-09-07 1998-09-07 1999-12-06 1999-10-12 1998-12-07
 STANDARD DEVIATION       2.1E+04       604.      0.001      0.002      0.000




                          BENZENE
                                 
                            95100
                             ug/L


 NO. OF L-FLAGGED VALUES       11
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES        1
 MEAN                         0.1
 MINIMUM                      0.0
 DATE OF MINIMUM       1997-01-13
 10TH PERCENTILE              0.0
 MEDIAN                       0.1
 90TH PERCENTILE              0.1
 MAXIMUM                      0.4
 DATE OF MAXIMUM       1999-10-12
 STANDARD DEVIATION           0.1





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-22 TO 1999-12-08

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP          B   ORG CARB   CHLORO A
                             COND                 TOTAL       DISS           
                            02041      02061      05011      06101      06711
                            us/cm      deg C     mg/L B     mg/L C       mg/L


 NO. OF L-FLAGGED VALUES        0          0          4          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36          2         18         36
 MEAN                        188.       15.4        0.0        0.9     0.0138
 MINIMUM                     121.        5.8        0.0        0.5     0.0012
 DATE OF MINIMUM       1998-09-21 1998-02-18 1997-10-15 1999-02-10 1998-09-21
 10TH PERCENTILE             144.        7.0                   0.6     0.0032
 MEDIAN                      188.       15.8        0.0        0.8     0.0091
 90TH PERCENTILE             218.       23.1                   1.3     0.0252
 MAXIMUM                     233.       25.1        0.0        1.6     0.0864
 DATE OF MAXIMUM       1997-12-10 1997-08-13 1999-10-14 1999-04-14 1998-01-21
 STANDARD DEVIATION           26.        5.9        0.0        0.3     0.0171




                           NO3NO2    AMMONIA    PERCENT         O2        BOD
                                        DISS     DO SAT       DISS           
                            07316      07564      08001      08102      08201
                           mg/L N     mg/L N    PERCENT    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       36         36         36         36         36
 MEAN                        1.76        0.1        93.        9.3         1.
 MINIMUM                     1.21        0.0        71.        5.9         0.
 DATE OF MINIMUM       1997-08-13 1998-08-12 1997-09-10 1997-09-10 1998-12-09
 10TH PERCENTILE             1.30        0.0        79.        7.0         1.
 MEDIAN                      1.77        0.0        95.        9.1         1.
 90TH PERCENTILE             2.15        0.1       101.       11.5         2.
 MAXIMUM                     2.31        0.3       110.       14.5         3.
 DATE OF MAXIMUM       1997-02-19 1997-02-19 1998-09-21 1997-01-22 1998-06-10
 STANDARD DEVIATION          0.30        0.1         9.        1.8         1.




                              COD          F        ALK         pH   SUSP SOL
                                        DISS      TOTAL               105 DEG
                            08301      09116      10102      10302      10401
                          mg/L O2     mg/L F       mg/L   pH UNITS       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       36         36         36         36         12
 MEAN                          2.        0.1      51.36        7.8         8.
 MINIMUM                       1.        0.0      35.00        7.5         3.
 DATE OF MINIMUM       1998-12-09 1998-10-14 1998-09-21 1997-06-11 1999-01-13
 10TH PERCENTILE               1.        0.0      43.00        7.6         3.
 MEDIAN                        2.        0.1      52.00        7.8         5.
 90TH PERCENTILE               3.        0.1      57.00        7.9        12.
 MAXIMUM                      11.        0.2      59.00        8.0        30.
 DATE OF MAXIMUM       1998-06-10 1999-04-14 1997-11-19 1997-01-22 1999-07-15
 STANDARD DEVIATION            2.        0.0       5.37        0.1         8.




                               Na         Mg         Al         Si          P
                             DISS       DISS      TOTAL       DISS      TOTAL
                            11111      12111      13009      14111      15405
                          mg/L Na    mg/L Mg    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       36         36         36          6         36
 MEAN                        7.98         5.      0.351       20.7      0.067
 MINIMUM                     5.00         3.      0.050       14.0      0.050
 DATE OF MINIMUM       1998-09-21 1998-06-10 1997-10-15 1997-04-16 1997-08-13
 10TH PERCENTILE             5.20         4.      0.070                 0.050
 MEDIAN                      8.15         5.      0.215       22.5      0.060
 90TH PERCENTILE             9.86         7.      0.357                 0.083
 MAXIMUM                    12.00         8.      3.900       24.0      0.150
 DATE OF MAXIMUM       1998-01-21 1999-05-12 1998-09-21 1999-04-14 1998-07-15
 STANDARD DEVIATION          1.70         1.      0.665        3.9      0.020




                         SULPHATE         Cl       PCBS          K         Ca
                                        DISS                  DISS       DISS
                            16309      17201      18165      19111      20111
                         mg/L SO4    mg/L Cl       ug/L     mg/L K    mg/L Ca


 NO. OF L-FLAGGED VALUES        0          0          4          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36          2         36         36
 MEAN                         19.         9.      0.047        1.4     19.444
 MINIMUM                      12.         3.      0.000        0.8     12.000
 DATE OF MINIMUM       1998-09-21 1999-07-15 1997-04-16 1998-09-21 1999-07-15
 10TH PERCENTILE              15.         5.                   0.9     15.200
 MEDIAN                       20.         9.      0.040        1.3     19.500
 90TH PERCENTILE              23.        12.                   1.6     22.300
 MAXIMUM                      25.        14.      0.100        1.9     24.000
 DATE OF MAXIMUM       1998-01-21 1997-04-16 1999-10-14 1998-01-21 1999-03-10
 STANDARD DEVIATION            3.         3.      0.045        0.3      2.741




                               Cr         Mn         Mn         Fe         Fe
                            TOTAL      TOTAL       DISS      TOTAL       DISS
                            24009      25010      25109      26009      26109
                          mg/L Cr    mg/L Mn    mg/L Mn    mg/L Fe    mg/L Fe


 NO. OF L-FLAGGED VALUES        4          0          0          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2         36         36         36         35
 MEAN                       0.001       0.02       0.01       0.36       0.03
 MINIMUM                    0.000       0.00       0.00       0.04       0.00
 DATE OF MINIMUM       1997-04-16 1997-10-15 1997-05-14 1997-10-15 1999-12-08
 10TH PERCENTILE                        0.01       0.00       0.09       0.01
 MEDIAN                     0.001       0.02       0.00       0.23       0.02
 90TH PERCENTILE                        0.03       0.01       0.38       0.04
 MAXIMUM                    0.003       0.10       0.02       3.80       0.22
 DATE OF MAXIMUM       1999-10-14 1998-09-21 1997-03-12 1998-09-21 1998-09-21
 STANDARD DEVIATION         0.001       0.02       0.01       0.66       0.04





                               Ni         Cu         Zn         As         Se
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            28009      29009      30009      33008      34007
                          mg/L Ni    mg/L Cu    mg/L Zn    mg/L As    mg/L Se


 NO. OF L-FLAGGED VALUES        9          5          4          5          5
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        9          1          2          1          1
 MEAN                       0.002      0.001      0.002      0.000      0.000
 MINIMUM                    0.000      0.000      0.000      0.000      0.000
 DATE OF MINIMUM       1997-02-19 1997-04-16 1997-10-15 1997-04-16 1997-04-16
 10TH PERCENTILE            0.000                                            
 MEDIAN                     0.001      0.001      0.001      0.000      0.000
 90TH PERCENTILE            0.003                                            
 MAXIMUM                    0.006      0.003      0.010      0.001      0.001
 DATE OF MAXIMUM       1999-12-08 1999-04-14 1997-04-16 1999-10-14 1997-10-15
 STANDARD DEVIATION         0.001      0.001      0.004      0.000      0.000




                         COLIFORM   FAEC COL         Cd         Ba         Pb
                            TOTAL                 TOTAL      TOTAL      TOTAL
                            36001      36011      48009      80016      82002
                         No/100ml   No/100ml    mg/L Cd    ug/L Hg    mg/L Pb


 NO. OF L-FLAGGED VALUES        0          0         15         15          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36          3          3          1
 MEAN                     4.1E+04       996.      0.001      0.008      0.000
 MINIMUM                  2.2E+03        70.      0.000      0.000           
 DATE OF MINIMUM       1999-10-14 1999-02-10 1997-02-19 1997-02-19           
 10TH PERCENTILE          4.8E+03       130.      0.000      0.000           
 MEDIAN                   2.3E+04       490.      0.000      0.005           
 90TH PERCENTILE          9.9E+04      1850.      0.001      0.020           
 MAXIMUM                  2.2E+05     11000.      0.005      0.040           
 DATE OF MAXIMUM       1998-06-10 1998-06-10 1999-06-16 1998-06-10           
 STANDARD DEVIATION       4.8E+04      1824.      0.001      0.010           




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


 NO. OF L-FLAGGED VALUES       28          2         24          0
 NO. OF G-FLAGGED VALUES        0          0          0          0
 NO. OF UNFLAGGED VALUES        6          2         12         36
 MEAN                       0.001        0.5        0.1       46.5
 MINIMUM                    0.000        0.0        0.0       15.8
 DATE OF MINIMUM       1997-01-22 1997-04-16 1997-01-22 1997-05-14
 10TH PERCENTILE            0.000                   0.0       16.6
 MEDIAN                     0.001        0.5        0.1       28.2
 90TH PERCENTILE            0.001                   0.1       74.9
 MAXIMUM                    0.004        1.0        0.3      295.0
 DATE OF MAXIMUM       1999-06-16 1998-10-14 1999-04-14 1999-07-15
 STANDARD DEVIATION         0.001        0.6        0.1       56.3





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-07 TO 1999-12-07

 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          2         36          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         34          0         36
 MEAN                         68.       13.2        0.0      5.000     0.0020
 MINIMUM                      37.        3.1        0.0      5.000     0.0007
 DATE OF MINIMUM       1997-04-08 1997-02-04 1998-09-01 1997-01-07 1999-10-05
 10TH PERCENTILE              43.        4.9        0.0      5.000     0.0010
 MEDIAN                       68.       13.5        0.0      5.000     0.0020
 90TH PERCENTILE              94.       21.6        0.0      5.000     0.0031
 MAXIMUM                     106.       22.2        0.0      5.000     0.0040
 DATE OF MAXIMUM       1997-02-04 1997-09-02 1999-05-11 1999-12-07 1997-09-02
 STANDARD DEVIATION           19.        6.2        0.0      0.000     0.0008




                           NO3NO2     ORG. N        NH3     ORG. N    PERCENT
                                        DISS                  PART     DO SAT
                            07316      07403      07555      07912      08001
                           mg/L N     mg/L N     mg/L N     ug/g N    PERCENT


 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                        0.35        0.1       0.04   16563.25       102.
 MINIMUM                     0.23        0.0       0.01   1300.000        93.
 DATE OF MINIMUM       1998-06-02 1999-07-06 1998-05-12 1999-07-06 1999-08-03
 10TH PERCENTILE             0.28        0.0       0.02   4070.000        97.
 MEDIAN                      0.35        0.1       0.03  15350.000       101.
 90TH PERCENTILE             0.39        0.2       0.08  31250.000       107.
 MAXIMUM                     0.45        0.2       0.13  40000.000       114.
 DATE OF MAXIMUM       1998-09-01 1997-05-06 1997-02-04 1999-01-05 1997-04-08
 STANDARD DEVIATION          0.05        0.1       0.03  10149.937         4.




                               O2        BOD          F        ALK         pH
                             DISS                  DISS      TOTAL           
                            08102      08201      09116      10102      10302
                          mg/L O2    mg/L O2     mg/L F       mg/L   pH UNITS


 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                        10.6         1.        0.1      16.35        7.2
 MINIMUM                      8.0         0.        0.0       9.60        6.9
 DATE OF MINIMUM       1999-08-03 1998-09-01 1997-01-07 1997-04-08 1999-11-09
 10TH PERCENTILE              8.5         0.        0.1      11.00        7.1
 MEDIAN                      10.4         1.        0.1      17.15        7.3
 90TH PERCENTILE             12.6         1.        0.1      20.25        7.4
 MAXIMUM                     14.0         2.        0.2      22.60        7.5
 DATE OF MAXIMUM       1997-01-07 1999-01-05 1997-03-04 1999-01-05 1999-08-03
 STANDARD DEVIATION           1.7         0.        0.0       3.49        0.1




                         SUSP SOL         Na         Mg         Al         Al
                          105 DEG       DISS       DISS       DISS       DISS
                            10401      11111      12111      13109      13111
                             mg/L    mg/L Na    mg/L Mg    mg/L Al    mg/L Al


 NO. OF L-FLAGGED VALUES        1          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         36         36          9         27
 MEAN                          6.       5.39         1.      0.013      0.019
 MINIMUM                       0.       2.30         0.      0.005      0.005
 DATE OF MINIMUM       1997-10-07 1997-04-08 1998-09-01 1997-05-06 1998-10-06
 10TH PERCENTILE               1.       2.66         1.                 0.007
 MEDIAN                        2.       5.40         1.      0.010      0.014
 90TH PERCENTILE              14.       8.56         1.                 0.035
 MAXIMUM                      39.      11.00         2.      0.031      0.062
 DATE OF MAXIMUM       1997-07-01 1999-01-05 1997-02-04 1997-07-01 1998-09-01
 STANDARD DEVIATION           10.       2.24         0.      0.008      0.014




                               Si          P    P TOTAL    P TOTAL   SULPHATE
                             DISS      TOTAL       DISS       PART           
                            14111      15405      15417      15902      16309
                         mg/LSiO2     mg/L P     mg/L P     ug/g 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       36         36         36         36         36
 MEAN                        10.9      0.026      0.011   4554.472         7.
 MINIMUM                      8.6      0.011      0.006    500.000         4.
 DATE OF MINIMUM       1997-04-08 1998-02-03 1999-08-03 1999-12-07 1998-09-01
 10TH PERCENTILE              9.1      0.014      0.007   1380.000         4.
 MEDIAN                      11.0      0.023      0.010   3650.000         7.
 90TH PERCENTILE             12.1      0.039      0.015   7250.000        11.
 MAXIMUM                     13.3      0.076      0.023  21550.000        13.
 DATE OF MAXIMUM       1997-02-04 1997-07-01 1998-02-03 1997-12-02 1997-02-04
 STANDARD DEVIATION           1.2      0.013      0.003   3750.239         3.




                               Cl       PCBS          K         Ca         Cr
                             DISS                  DISS       DISS      TOTAL
                            17209      18165      19111      20111      24009
                          mg/L Cl       ug/L     mg/L K    mg/L Ca    mg/L Cr


 NO. OF L-FLAGGED VALUES        0          6          0          0         32
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          0         36         36          1
 MEAN                          5.      0.100        0.9      6.028      0.001
 MINIMUM                       2.      0.100        0.4      3.500      0.001
 DATE OF MINIMUM       1997-04-08 1997-02-04 1997-04-08 1997-04-08 1997-01-07
 10TH PERCENTILE               2.                   0.5      4.100      0.001
 MEDIAN                        4.      0.100        0.7      6.100      0.001
 90TH PERCENTILE               8.                   1.2      7.960      0.001
 MAXIMUM                       9.      0.100        4.6     10.000      0.001
 DATE OF MAXIMUM       1997-02-04 1999-08-03 1999-01-05 1997-02-04 1999-12-07
 STANDARD DEVIATION            2.      0.000        0.7      1.542      0.000




                               Cr         Cr         Mn         Mn         Mn
                            TOTAL       DISS      TOTAL      TOTAL       DISS
                            24011      24111      25010      25011      25111
                          mg/L Cr    mg/L Cr    mg/L Mn    mg/L Mn    mg/L Mn


 NO. OF L-FLAGGED VALUES        2         36          0          0          8
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          0         33          3         28
 MEAN                       0.001      0.001       0.02       0.02       0.01
 MINIMUM                               0.001       0.01                  0.00
 DATE OF MINIMUM                  1997-01-07 1999-09-07            1997-08-05
 10TH PERCENTILE                       0.001       0.01                  0.00
 MEDIAN                                0.001       0.02                  0.00
 90TH PERCENTILE                       0.001       0.03                  0.01
 MAXIMUM                               0.001       0.04                  0.02
 DATE OF MAXIMUM                  1999-12-07 1999-06-01            1999-03-02
 STANDARD DEVIATION                    0.000       0.01                  0.00




                               Fe         Fe         Fe         Ni         Ni
                            TOTAL      TOTAL       DISS      TOTAL      TOTAL
                            26009      26011      26111      28009      28011
                          mg/L Fe    mg/L Fe    mg/L Fe    mg/L Ni    mg/L Ni


 NO. OF L-FLAGGED VALUES        0          0          0         14         17
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       33          3         36          1          4
 MEAN                        0.14       0.18       0.02      0.001      0.001
 MINIMUM                     0.04                  0.01      0.001      0.001
 DATE OF MINIMUM       1999-11-09            1998-11-10 1997-01-07 1997-10-07
 10TH PERCENTILE             0.04                  0.01      0.001      0.001
 MEDIAN                      0.09                  0.01      0.001      0.001
 90TH PERCENTILE             0.38                  0.03      0.001      0.001
 MAXIMUM                     0.55                  0.05      0.001      0.004
 DATE OF MAXIMUM       1999-07-06            1998-09-01 1999-12-07 1998-09-01
 STANDARD DEVIATION          0.14                  0.01      0.000      0.001




                               Ni         Ni         Cu         Cu         Cu
                             DISS       DISS      TOTAL      TOTAL       DISS
                            28109      28111      29009      29011      29111
                          mg/L Ni    mg/L Ni    mg/L Cu    mg/L Cu    mg/L Cu


 NO. OF L-FLAGGED VALUES        8         26         28          3         34
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          5          0          2
 MEAN                       0.001      0.001      0.001      0.001      0.001
 MINIMUM                    0.001      0.001      0.001                 0.001
 DATE OF MINIMUM       1997-01-07 1997-10-07 1997-01-07            1997-01-07
 10TH PERCENTILE                       0.001      0.001                 0.001
 MEDIAN                     0.001      0.001      0.001                 0.001
 90TH PERCENTILE                       0.001      0.002                 0.001
 MAXIMUM                    0.001      0.002      0.006                 0.003
 DATE OF MAXIMUM       1997-09-02 1997-11-04 1999-04-13            1999-12-07
 STANDARD DEVIATION         0.000      0.000      0.001                 0.000




                               Zn         Zn         Zn         As         As
                            TOTAL      TOTAL       DISS      TOTAL      TOTAL
                            30009      30011      30111      33007      33008
                          mg/L Zn    mg/L Zn    mg/L Zn    mg/L As    mg/L As


 NO. OF L-FLAGGED VALUES        1          0          6          2          4
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       32          3         30          0          0
 MEAN                       0.009      0.006      0.003      0.001      0.001
 MINIMUM                    0.001                 0.001                 0.001
 DATE OF MINIMUM       1999-03-02            1997-04-08            1998-02-03
 10TH PERCENTILE            0.003                 0.001                      
 MEDIAN                     0.006                 0.002                 0.001
 90TH PERCENTILE            0.010                 0.005                      
 MAXIMUM                    0.081                 0.012                 0.001
 DATE OF MAXIMUM       1999-05-11            1997-02-04            1999-08-03
 STANDARD DEVIATION         0.013                 0.002                 0.000




                               Se         Se   COLIFORM   FAEC COL         Cd
                            TOTAL      TOTAL      TOTAL                 TOTAL
                            34002      34008      36002      36012      48009
                          mg/L Se    mg/L Se   No/100ml   No/100ml    mg/L Cd


 NO. OF L-FLAGGED VALUES        2          4          0          0         24
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0         36         36          0
 MEAN                       0.001      0.001      1732.       297.      0.001
 MINIMUM                               0.001       260.        15.      0.001
 DATE OF MINIMUM                  1998-02-03 1998-02-03 1999-03-02 1998-01-06
 10TH PERCENTILE                                   276.        31.      0.001
 MEDIAN                                0.001       865.       180.      0.001
 90TH PERCENTILE                                  4540.       750.      0.001
 MAXIMUM                               0.001      9000.      1400.      0.001
 DATE OF MAXIMUM                  1999-08-03 1997-05-06 1999-10-05 1999-12-07
 STANDARD DEVIATION                    0.000      2197.       346.      0.000




                               Cd         Cd         Ba         Pb         Pb
                            TOTAL       DISS      TOTAL      TOTAL      TOTAL
                            48011      48111      80016      82009      82011
                          mg/L Cd    mg/L Cd    ug/L Hg    mg/L Pb    mg/L Pb


 NO. OF L-FLAGGED VALUES       12         36          6         13         17
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          2          4
 MEAN                       0.001      0.001      0.008      0.001      0.002
 MINIMUM                    0.001      0.001      0.000      0.001      0.001
 DATE OF MINIMUM       1997-01-07 1997-01-07 1998-02-03 1997-01-07 1997-10-07
 10TH PERCENTILE            0.001      0.001                 0.001      0.001
 MEDIAN                     0.001      0.001      0.010      0.001      0.001
 90TH PERCENTILE            0.001      0.001                 0.002      0.001
 MAXIMUM                    0.001      0.001      0.010      0.002      0.008
 DATE OF MAXIMUM       1997-12-02 1999-12-07 1997-08-05 1999-09-07 1999-04-13
 STANDARD DEVIATION         0.000      0.000      0.004      0.000      0.002




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


 NO. OF L-FLAGGED VALUES        9         27          9          0
 NO. OF G-FLAGGED VALUES        0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0         36
 MEAN                       0.001      0.001        1.0      310.2
 MINIMUM                    0.001      0.001        1.0       58.9
 DATE OF MINIMUM       1997-01-07 1997-10-07 1997-02-04 1998-02-03
 10TH PERCENTILE                       0.001                 119.4
 MEDIAN                     0.001      0.001        1.0      238.2
 90TH PERCENTILE                       0.001                 598.8
 MAXIMUM                    0.001      0.001        1.0     1022.4
 DATE OF MAXIMUM       1997-09-02 1999-12-07 1999-11-09 1998-05-12
 STANDARD DEVIATION         0.000      0.000        0.0      230.0





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-21 TO 1999-12-14

 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          1         36          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         35          0         36
 MEAN                         75.       14.4        0.0      5.000     0.0037
 MINIMUM                      42.        4.5        0.0      5.000     0.0011
 DATE OF MINIMUM       1998-05-19 1999-01-12 1998-09-08 1997-01-21 1999-09-21
 10TH PERCENTILE              54.        5.5        0.0      5.000     0.0014
 MEDIAN                       75.       14.1        0.0      5.000     0.0031
 90TH PERCENTILE              99.       22.2        0.0      5.000     0.0063
 MAXIMUM                     116.       26.3        0.1      5.000     0.0140
 DATE OF MAXIMUM       1997-02-18 1999-08-10 1999-05-18 1999-12-14 1999-08-10
 STANDARD DEVIATION           19.        6.6        0.0      0.000     0.0026




                           NO3NO2     ORG. N        NH3     ORG. N    PERCENT
                                        DISS                  PART     DO SAT
                            07316      07403      07555      07912      08001
                           mg/L N     mg/L N     mg/L N     ug/g N    PERCENT


 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          2         36          3         36
 MEAN                        0.39        0.0       0.04  14666.667       104.
 MINIMUM                     0.24                  0.01                   84.
 DATE OF MINIMUM       1999-08-10            1999-10-12            1999-02-16
 10TH PERCENTILE             0.29                  0.02                   96.
 MEDIAN                      0.39                  0.03                  103.
 90TH PERCENTILE             0.46                  0.05                  113.
 MAXIMUM                     0.52                  0.09                  122.
 DATE OF MAXIMUM       1999-03-09            1999-01-12            1998-11-17
 STANDARD DEVIATION          0.06                  0.02                    8.




                               O2        BOD          F        ALK         pH
                             DISS                  DISS      TOTAL           
                            08102      08201      09116      10102      10302
                          mg/L O2    mg/L O2     mg/L F       mg/L   pH UNITS


 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                        10.5         1.        0.1      17.03        7.5
 MINIMUM                      7.7         0.        0.1       9.90        7.1
 DATE OF MINIMUM       1999-08-10 1998-09-08 1998-09-08 1998-05-19 1997-09-09
 10TH PERCENTILE              8.3         0.        0.1      12.52        7.2
 MEDIAN                      10.1         1.        0.1      17.45        7.5
 90TH PERCENTILE             12.7         1.        0.1      21.23        7.7
 MAXIMUM                     14.3         1.        0.1      22.00        8.1
 DATE OF MAXIMUM       1998-02-17 1997-02-18 1999-06-08 1999-02-16 1998-08-11
 STANDARD DEVIATION           1.8         0.        0.0       3.09        0.2




                         SUSP SOL         Na         Mg         Al         Al
                          105 DEG       DISS       DISS       DISS       DISS
                            10401      11111      12111      13109      13111
                             mg/L    mg/L Na    mg/L Mg    mg/L Al    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       36         36         36          9         27
 MEAN                          6.       5.87         1.      0.011      0.022
 MINIMUM                       2.       2.20         1.      0.005      0.003
 DATE OF MINIMUM       1997-01-21 1999-09-21 1999-09-21 1997-06-10 1999-04-20
 10TH PERCENTILE               2.       3.56         1.                 0.007
 MEDIAN                        4.       5.55         1.      0.011      0.014
 90TH PERCENTILE              13.       7.90         1.                 0.041
 MAXIMUM                      24.      12.00         2.      0.018      0.140
 DATE OF MAXIMUM       1999-07-13 1999-02-16 1997-02-18 1997-09-09 1997-12-09
 STANDARD DEVIATION            5.       2.09         0.      0.004      0.027




                               Si          P   SULPHATE         Cl       PCBS
                             DISS      TOTAL                  DISS           
                            14111      15405      16309      17209      18165
                         mg/LSiO2     mg/L P   mg/L SO4    mg/L Cl       ug/L


 NO. OF L-FLAGGED VALUES        0          0          0          0          6
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         35         36         36          0
 MEAN                        10.3      0.031         8.         5.      0.100
 MINIMUM                      6.4      0.018         3.         1.      0.100
 DATE OF MINIMUM       1997-11-11 1998-11-17 1999-09-21 1999-09-21 1997-02-18
 10TH PERCENTILE              9.0      0.021         5.         3.           
 MEDIAN                      10.0      0.029         8.         4.      0.100
 90TH PERCENTILE             12.0      0.042        11.         7.           
 MAXIMUM                     12.0      0.077        15.         9.      0.100
 DATE OF MAXIMUM       1999-02-16 1999-09-21 1997-02-18 1999-02-16 1999-08-10
 STANDARD DEVIATION           1.1      0.011         3.         2.      0.000




                                K         Ca         Cr         Cr         Cr
                             DISS       DISS      TOTAL      TOTAL       DISS
                            19111      20111      24009      24011      24111
                           mg/L K    mg/L Ca    mg/L Cr    mg/L Cr    mg/L Cr


 NO. OF L-FLAGGED VALUES        0          0         32          3         36
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36          1          0          0
 MEAN                         1.0      6.489      0.001      0.001      0.001
 MINIMUM                      0.5      4.000      0.001                 0.001
 DATE OF MINIMUM       1998-05-19 1998-05-19 1997-01-21            1997-01-21
 10TH PERCENTILE              0.6      4.780      0.001                 0.001
 MEDIAN                       0.9      6.700      0.001                 0.001
 90TH PERCENTILE              1.3      8.060      0.001                 0.001
 MAXIMUM                      4.8      9.800      0.001                 0.001
 DATE OF MAXIMUM       1999-01-12 1997-02-18 1999-12-14            1999-12-14
 STANDARD DEVIATION           0.7      1.330      0.000                 0.000




                               Mn         Mn         Mn         Fe         Fe
                            TOTAL      TOTAL       DISS      TOTAL      TOTAL
                            25010      25011      25111      26009      26011
                          mg/L Mn    mg/L Mn    mg/L Mn    mg/L Fe    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0          2          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       33          3         34         33          3
 MEAN                        0.02       0.01       0.01       0.17       0.11
 MINIMUM                     0.01                  0.00       0.05           
 DATE OF MINIMUM       1997-01-21            1998-06-09 1999-01-12           
 10TH PERCENTILE             0.01                  0.00       0.06           
 MEDIAN                      0.02                  0.01       0.10           
 90TH PERCENTILE             0.03                  0.01       0.29           
 MAXIMUM                     0.07                  0.03       1.20           
 DATE OF MAXIMUM       1999-09-21            1997-04-15 1999-09-21           
 STANDARD DEVIATION          0.01                  0.01       0.20           




                               Fe         Ni         Ni         Ni         Ni
                             DISS      TOTAL      TOTAL       DISS       DISS
                            26111      28009      28011      28109      28111
                          mg/L Fe    mg/L Ni    mg/L Ni    mg/L Ni    mg/L Ni


 NO. OF L-FLAGGED VALUES        0         14         20          9         27
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          1          1          0          0
 MEAN                        0.02      0.001      0.001      0.001      0.001
 MINIMUM                     0.01      0.001      0.001      0.001      0.001
 DATE OF MINIMUM       1999-08-10 1997-01-21 1997-10-14 1997-01-21 1997-10-14
 10TH PERCENTILE             0.02      0.001      0.001                 0.001
 MEDIAN                      0.02      0.001      0.001      0.001      0.001
 90TH PERCENTILE             0.03      0.001      0.001                 0.001
 MAXIMUM                     0.06      0.003      0.003      0.001      0.001
 DATE OF MAXIMUM       1999-09-21 1999-08-10 1998-09-08 1997-09-09 1999-12-14
 STANDARD DEVIATION          0.01      0.001      0.000      0.000      0.000




                               Cu         Cu         Cu         Zn         Zn
                            TOTAL      TOTAL       DISS      TOTAL      TOTAL
                            29009      29011      29111      30009      30011
                          mg/L Cu    mg/L Cu    mg/L Cu    mg/L Zn    mg/L Zn


 NO. OF L-FLAGGED VALUES       25          2         31          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        8          1          5         32          3
 MEAN                       0.001      0.001      0.001      0.006      0.004
 MINIMUM                    0.001                 0.001      0.001           
 DATE OF MINIMUM       1997-01-21            1997-01-21 1999-03-09           
 10TH PERCENTILE            0.001                 0.001      0.003           
 MEDIAN                     0.001                 0.001      0.005           
 90TH PERCENTILE            0.003                 0.001      0.009           
 MAXIMUM                    0.003                 0.003      0.024           
 DATE OF MAXIMUM       1999-09-21            1999-12-14 1999-04-20           
 STANDARD DEVIATION         0.001                 0.000      0.004           




                               Zn         As         As         Se         Se
                             DISS      TOTAL      TOTAL      TOTAL      TOTAL
                            30111      33007      33008      34002      34008
                          mg/L Zn    mg/L As    mg/L As    mg/L Se    mg/L Se


 NO. OF L-FLAGGED VALUES       12          2          4          2          4
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24          0          0          0          0
 MEAN                       0.002      0.001      0.001      0.001      0.001
 MINIMUM                    0.001                 0.001                 0.001
 DATE OF MINIMUM       1997-05-13            1998-02-17            1998-02-17
 10TH PERCENTILE            0.001                                            
 MEDIAN                     0.002                 0.001                 0.001
 90TH PERCENTILE            0.003                                            
 MAXIMUM                    0.007                 0.001                 0.001
 DATE OF MAXIMUM       1998-10-13            1999-08-10            1999-08-10
 STANDARD DEVIATION         0.001                 0.000                 0.000




                         COLIFORM         Cd         Cd         Cd         Ba
                            TOTAL      TOTAL      TOTAL       DISS      TOTAL
                            36002      48009      48011      48111      80016
                         No/100ml    mg/L Cd    mg/L Cd    mg/L Cd    ug/L Hg


 NO. OF L-FLAGGED VALUES        0         24         12         36          6
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          0          0          0          0
 MEAN                       1829.      0.001      0.001      0.001      0.008
 MINIMUM                       2.      0.001      0.001      0.001      0.000
 DATE OF MINIMUM       1997-01-21 1998-01-20 1997-01-21 1997-01-21 1998-02-17
 10TH PERCENTILE               3.      0.001      0.001      0.001           
 MEDIAN                      450.      0.001      0.001      0.001      0.010
 90TH PERCENTILE            5150.      0.001      0.001      0.001           
 MAXIMUM                   19000.      0.001      0.001      0.001      0.010
 DATE OF MAXIMUM       1999-09-21 1999-12-14 1997-12-09 1999-12-14 1997-08-19
 STANDARD DEVIATION         3685.      0.000      0.000      0.000      0.004




                               Pb         Pb         Pb         Pb    BENZENE
                            TOTAL      TOTAL       DISS       DISS           
                            82009      82011      82109      82111      95100
                          mg/L Pb    mg/L Pb    mg/L Pb    mg/L Pb       ug/L


 NO. OF L-FLAGGED VALUES       12         16          9         27          9
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3          5          0          0          0
 MEAN                       0.002      0.002      0.001      0.001        1.0
 MINIMUM                    0.001      0.001      0.001      0.001        1.0
 DATE OF MINIMUM       1997-01-21 1997-10-14 1997-01-21 1997-10-14 1997-02-18
 10TH PERCENTILE            0.001      0.001                 0.001           
 MEDIAN                     0.001      0.001      0.001      0.001        1.0
 90TH PERCENTILE            0.003      0.005                 0.001           
 MAXIMUM                    0.007      0.007      0.001      0.001        1.0
 DATE OF MAXIMUM       1999-12-14 1998-07-14 1997-09-09 1999-12-14 1999-11-16
 STANDARD DEVIATION         0.002      0.002      0.000      0.000        0.0



                             INST
                           DISCHG
                            97160
                             m3/S


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES       36
 MEAN                       277.3
 MINIMUM                     44.2
 DATE OF MINIMUM       1997-11-11
 10TH PERCENTILE             67.0
 MEDIAN                     143.0
 90TH PERCENTILE            581.5
 MAXIMUM                   2511.4
 DATE OF MAXIMUM       1999-09-21
 STANDARD DEVIATION         435.0





 STATION - YODO RIVER AT HIRAKATA BRIDGE            STATION NO. 080013
 COUNTRY - JAPAN                                    DEPTH(M)       3.0
 LOCATION - OCT. 2  LAT. 34/48/00  LONG. 135/37/58  ELEVATION(M)   6.9
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-23 TO 1999-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                            INTEG       ELEC       TEMP          B   ORG CARB
                           SAMPLE       COND                 TOTAL       DISS
                            00190      02041      02061      05001      06101
                              N/A      us/cm      deg C     mg/L B     mg/L C


 NO. OF L-FLAGGED VALUES        0          0          0         17          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         19         36
 MEAN                          3.       174.       17.0        0.0        2.1
 MINIMUM                       3.       111.        6.1        0.0        1.3
 DATE OF MINIMUM       1997-01-23 1998-04-15 1997-02-19 1997-02-19 1998-03-18
 10TH PERCENTILE               3.       128.        6.8        0.0        1.6
 MEDIAN                        3.       174.       17.0        0.0        2.1
 90TH PERCENTILE               3.       209.       26.9        0.1        2.6
 MAXIMUM                       3.       235.       28.8        0.1        3.5
 DATE OF MAXIMUM       1999-12-15 1997-11-20 1998-08-19 1999-12-15 1998-04-15
 STANDARD DEVIATION            0.        31.        7.5        0.0        0.4




                          PHENOLS     NO3NO2     NO3NO2        NH3    PERCENT
                                                                       DO SAT
                            06532      07105      07316      07555      08001
                             mg/L     mg/L N     mg/L N     mg/L N    PERCENT


 NO. OF L-FLAGGED VALUES       36          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         12         24         36         36
 MEAN                       5.000       1.32       1.08       0.22        95.
 MINIMUM                    5.000       0.72       0.60       0.03        75.
 DATE OF MINIMUM       1997-01-23 1997-05-21 1998-10-21 1999-08-18 1998-09-16
 10TH PERCENTILE            5.000       0.74       0.64       0.07        85.
 MEDIAN                     5.000       1.33       1.04       0.16        95.
 90TH PERCENTILE            5.000       1.78       1.55       0.44       103.
 MAXIMUM                    5.000       1.80       1.63       0.66       105.
 DATE OF MAXIMUM       1999-12-15 1997-12-17 1998-12-16 1997-03-26 1998-01-21
 STANDARD DEVIATION         0.000       0.39       0.33       0.16         7.




                               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          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         9.1         2.      34.86        7.4        16.
 MINIMUM                      6.0         1.      23.90        7.0         3.
 DATE OF MINIMUM       1998-09-16 1997-07-23 1998-04-15 1997-12-17 1999-07-28
 10TH PERCENTILE              6.7         1.      28.46        7.2         5.
 MEDIAN                       9.1         2.      35.90        7.4        10.
 90TH PERCENTILE             11.4         3.      38.80        7.6        21.
 MAXIMUM                     12.4         4.      44.90        7.6       144.
 DATE OF MAXIMUM       1998-01-21 1999-01-20 1998-12-16 1998-05-20 1998-04-15
 STANDARD DEVIATION           1.7         1.       4.34        0.2        23.



                         SULPHATE         Cl         Cl         Cr         Mn
                                        DISS       DISS      TOTAL      TOTAL
                            16309      17207      17209      24002      25004
                         mg/L SO4    mg/L Cl    mg/L Cl    mg/L Cr    mg/L Mn


 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         12         24          0         36
 MEAN                         17.        17.        14.      0.005       0.04
 MINIMUM                      11.        12.         8.      0.005       0.02
 DATE OF MINIMUM       1999-08-18 1997-05-21 1998-04-15 1997-01-23 1997-08-20
 10TH PERCENTILE              12.        12.         9.      0.005       0.03
 MEDIAN                       16.        17.        15.      0.005       0.04
 90TH PERCENTILE              21.        22.        18.      0.005       0.06
 MAXIMUM                      23.        23.        20.      0.005       0.14
 DATE OF MAXIMUM       1997-11-20 1997-01-23 1998-12-16 1999-12-15 1998-04-15
 STANDARD DEVIATION            3.         4.         4.      0.000       0.02




                               Fe         Ni         Cu         Zn         As
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            26004      28001      29006      30004      33007
                          mg/L Fe    mg/L Ni    mg/L Cu    mg/L Zn    mg/L As


 NO. OF L-FLAGGED VALUES        0          5         36         36         17
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         31          0          0         19
 MEAN                        0.38      0.002      0.100      0.100      0.001
 MINIMUM                     0.08      0.001      0.100      0.100      0.001
 DATE OF MINIMUM       1999-07-28 1997-02-19 1997-01-23 1997-01-23 1997-01-23
 10TH PERCENTILE             0.13      0.001      0.100      0.100      0.001
 MEDIAN                      0.34      0.001      0.100      0.100      0.001
 90TH PERCENTILE             0.66      0.003      0.100      0.100      0.001
 MAXIMUM                     0.98      0.006      0.100      0.100      0.005
 DATE OF MAXIMUM       1998-04-15 1997-03-26 1999-12-15 1999-12-15 1998-08-19
 STANDARD DEVIATION          0.22      0.001      0.000      0.000      0.001




                               Se   COLIFORM         Cd         Ba         Pb
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            34002      36001      48001      80016      82001
                          mg/L Se   No/100ml    mg/L Cd    ug/L Hg    mg/L Pb


 NO. OF L-FLAGGED VALUES       36          0         36         36         21
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         35          0          0         15
 MEAN                       0.001    5.4E+04      0.001      0.050      0.001
 MINIMUM                    0.001    2.6E+03      0.001      0.050      0.001
 DATE OF MINIMUM       1997-01-23 1998-06-17 1997-01-23 1997-01-23 1997-01-23
 10TH PERCENTILE            0.001    4.6E+03      0.001      0.050      0.001
 MEDIAN                     0.001    2.0E+04      0.001      0.050      0.001
 90TH PERCENTILE            0.001    1.4E+05      0.001      0.050      0.002
 MAXIMUM                    0.001    4.3E+05      0.001      0.050      0.005
 DATE OF MAXIMUM       1999-12-15 1998-09-16 1999-12-15 1999-12-15 1998-04-15
 STANDARD DEVIATION         0.000    9.4E+04      0.000      0.000      0.001





 STATION - OHTA RIVER AT HESAKA                     STATION NO. 080014
 COUNTRY - JAPAN                                    DEPTH(M)       1.0
 LOCATION - OCT. 2  LAT. 34/26/13  LONG. 132/29/26  ELEVATION(M)   5.6
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-28 TO 1999-12-02

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP          B    PHENOLS     NO3NO2
                             COND                 TOTAL                      
                            02041      02061      05090      06532      07316
                            us/cm      deg C     mg/L B       mg/L     mg/L N


 NO. OF L-FLAGGED VALUES        0          0         12         12          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36          0          0         36
 MEAN                         74.       15.0        0.0      5.000       0.47
 MINIMUM                      51.        4.8        0.0      5.000       0.29
 DATE OF MINIMUM       1997-08-07 1997-01-28 1997-05-26 1997-02-13 1998-11-05
 10TH PERCENTILE              62.        6.0        0.0      5.000       0.36
 MEDIAN                       72.       15.5        0.0      5.000       0.47
 90TH PERCENTILE              88.       23.2        0.0      5.000       0.55
 MAXIMUM                     103.       25.0        0.1      5.000       0.65
 DATE OF MAXIMUM       1997-02-13 1999-08-12 1997-02-13 1999-11-25 1999-02-17
 STANDARD DEVIATION           11.        6.3        0.0      0.000       0.08




                           ORG. N        NH3    PERCENT         O2        BOD
                             DISS                DO SAT       DISS           
                            07403      07556      08001      08101      08201
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        7          1          0          0          2
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       29         35         36         36         34
 MEAN                         0.0       0.02       103.       10.2         1.
 MINIMUM                      0.0       0.01        96.        8.2         0.
 DATE OF MINIMUM       1997-07-17 1997-08-07 1997-09-04 1997-09-04 1997-12-11
 10TH PERCENTILE              0.0       0.01        99.        8.5         0.
 MEDIAN                       0.0       0.02       102.        9.9         1.
 90TH PERCENTILE              0.1       0.03       106.       12.4         1.
 MAXIMUM                      0.1       0.05       116.       12.8         1.
 DATE OF MAXIMUM       1999-07-07 1999-02-17 1997-04-24 1998-02-19 1997-03-06
 STANDARD DEVIATION           0.0       0.01         4.        1.4         0.




                                F        ALK         pH   SUSP SOL         Na
                             DISS      TOTAL               105 DEG       DISS
                            09116      10102      10301      10401      11112
                           mg/L F       mg/L   pH UNITS       mg/L    mg/L Na


 NO. OF L-FLAGGED VALUES        1          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         36         36         36         36
 MEAN                         0.1      15.71        7.3         3.         6.
 MINIMUM                      0.1       9.50        7.2         1.         4.
 DATE OF MINIMUM       1997-07-17 1997-03-06 1997-01-28 1998-11-05 1997-08-07
 10TH PERCENTILE              0.1      11.30        7.2         2.         5.
 MEDIAN                       0.1      15.85        7.3         2.         6.
 90TH PERCENTILE              0.1      19.65        7.4         4.         7.
 MAXIMUM                      0.1      20.00        7.5        10.         9.
 DATE OF MAXIMUM       1998-12-03 1997-11-06 1999-08-12 1997-08-07 1997-02-13
 STANDARD DEVIATION           0.0       3.08        0.1         2.         1.




                              SAR         Mg         Al         Al         Si
                                        DISS      TOTAL       DISS   REACTIVE
                            11201      12109      13090      13190      14101
                         REL.UNIT    mg/L Mg    mg/L Al    mg/L Al   mg/LSiO2


 NO. OF L-FLAGGED VALUES        0          0          0          7          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         12          5         12
 MEAN                       3.205         1.      0.047      0.012      11.30
 MINIMUM                    2.547         1.      0.010      0.010       9.56
 DATE OF MINIMUM       1997-08-07 1999-07-07 1998-11-05 1997-02-13 1999-05-12
 10TH PERCENTILE            2.863         1.      0.012      0.010       9.62
 MEDIAN                     3.171         1.      0.035      0.010      11.18
 90TH PERCENTILE            3.519         1.      0.067      0.020      12.79
 MAXIMUM                    4.337         1.      0.180      0.020      13.38
 DATE OF MAXIMUM       1997-02-13 1997-09-04 1997-08-07 1999-11-25 1999-08-12
 STANDARD DEVIATION         0.334         0.      0.045      0.005       1.22




                                P    P TOTAL    P TOTAL   SULPHATE         Cl
                            TOTAL       DISS       PART                  DISS
                            15405      15417      15902      16309      17209
                           mg/L P     mg/L P     ug/g P   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       36         36          3         36         36
 MEAN                       0.018      0.010   3416.667         5.         7.
 MINIMUM                    0.011      0.003                    4.         4.
 DATE OF MINIMUM       1997-01-28 1997-01-28            1997-03-06 1997-08-07
 10TH PERCENTILE            0.012      0.005                    4.         5.
 MEDIAN                     0.018      0.010                    5.         6.
 90TH PERCENTILE            0.024      0.013                    6.         8.
 MAXIMUM                    0.029      0.017                    6.        14.
 DATE OF MAXIMUM       1997-08-07 1999-04-22            1997-09-04 1997-02-13
 STANDARD DEVIATION         0.004      0.003                    1.         2.




                              DDT    LINDANE     ALDRIN   DIELDRIN       PCBS
                            TOTAL                                            
                            18002      18070      18130      18150      18165
                             ug/L       ug/L       ug/L       ug/L       ug/L


 NO. OF L-FLAGGED VALUES        3          3          3          3          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          0          0
 MEAN                       0.083      0.010      0.010      0.100      0.500
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                         ATRAZINE          K         Ca         Cr         Mn
                                        DISS       DISS      TOTAL      TOTAL
                            18415      19112      20109      24090      25090
                             ug/L     mg/L K       mg/L    mg/L Cr    mg/L Mn


 NO. OF L-FLAGGED VALUES        3          0          0         12          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         36         36          0         12
 MEAN                         0.4        0.9      5.889      0.005       0.01
 MINIMUM                                 0.6      4.100      0.005       0.01
 DATE OF MINIMUM                  1998-04-22 1999-03-18 1997-02-13 1998-11-05
 10TH PERCENTILE                         0.6      4.460      0.005       0.01
 MEDIAN                                  0.9      5.900      0.005       0.02
 90TH PERCENTILE                         1.0      6.980      0.005       0.02
 MAXIMUM                                 1.2      8.700      0.005       0.02
 DATE OF MAXIMUM                  1997-09-04 1997-09-04 1999-11-25 1999-02-17
 STANDARD DEVIATION                      0.1      1.073      0.000       0.01




                               Mn         Fe         Fe         Ni         Cu
                             DISS      TOTAL       DISS      TOTAL      TOTAL
                            25190      26009      26109      28090      29090
                          mg/L Mn    mg/L Fe    mg/L Fe    mg/L Ni    mg/L Cu


 NO. OF L-FLAGGED VALUES        0          0          1         11         12
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12         12         11          1          0
 MEAN                        0.01       0.09       0.02      0.001      0.010
 MINIMUM                     0.00       0.05       0.01      0.001      0.010
 DATE OF MINIMUM       1997-05-26 1998-05-07 1998-05-07 1997-02-13 1997-02-13
 10TH PERCENTILE             0.00       0.05       0.01      0.001      0.010
 MEDIAN                      0.01       0.09       0.02      0.001      0.010
 90TH PERCENTILE             0.01       0.12       0.02      0.001      0.010
 MAXIMUM                     0.02       0.25       0.03      0.002      0.010
 DATE OF MAXIMUM       1999-02-17 1997-08-07 1997-08-07 1998-02-19 1999-11-25
 STANDARD DEVIATION          0.00       0.06       0.01      0.000      0.000




                               Zn         Zn         As         Se   COLIFORM
                            TOTAL       DISS      TOTAL      TOTAL      TOTAL
                            30090      30190      33011      34007      36001
                          mg/L Zn    mg/L Zn    mg/L As    mg/L Se   No/100ml


 NO. OF L-FLAGGED VALUES        0          3         12         12          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12          9          0          0         27
 MEAN                       0.003      0.001      0.001      0.001      5714.
 MINIMUM                    0.001      0.001      0.001      0.001       490.
 DATE OF MINIMUM       1998-08-19 1997-05-26 1997-02-13 1997-02-13 1999-01-13
 10TH PERCENTILE            0.001      0.001      0.001      0.001      1100.
 MEDIAN                     0.002      0.001      0.001      0.001      3500.
 90TH PERCENTILE            0.006      0.002      0.001      0.001     13000.
 MAXIMUM                    0.007      0.002      0.001      0.001     24000.
 DATE OF MAXIMUM       1997-11-06 1997-11-06 1999-11-25 1999-11-25 1999-07-07
 STANDARD DEVIATION         0.002      0.001      0.000      0.000      5382.




                         COLIFORM   FAEC COL   FAEC COL         Cd         Ba
                            TOTAL                            TOTAL      TOTAL
                            36002      36011      36012      48090      80011
                         No/100ml   No/100ml   No/100ml    mg/L Cd    ug/L Hg


 NO. OF L-FLAGGED VALUES        0          0          0         12         12
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        9          9         27          0          0
 MEAN                       9154.      1068.      1065.      0.001      0.050
 MINIMUM                     490.       140.       160.      0.001      0.050
 DATE OF MINIMUM       1997-04-24 1997-01-28 1999-04-22 1997-02-13 1997-02-13
 10TH PERCENTILE                                   251.      0.001      0.050
 MEDIAN                     3300.       660.       740.      0.001      0.050
 90TH PERCENTILE                                  2180.      0.001      0.050
 MAXIMUM                   49000.      3500.      3700.      0.001      0.050
 DATE OF MAXIMUM       1997-07-17 1997-08-07 1998-10-14 1999-11-25 1999-11-25
 STANDARD DEVIATION        15420.      1134.       907.      0.000      0.000




                               Pb    BENZENE       INST
                            TOTAL                DISCHG
                            82090      95100      97160
                          mg/L Pb       ug/L       m3/S


 NO. OF L-FLAGGED VALUES       12         12          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES        0          0         35
 MEAN                       0.001        0.2       55.8
 MINIMUM                    0.001        0.2        8.7
 DATE OF MINIMUM       1997-02-13 1997-02-13 1997-06-18
 10TH PERCENTILE            0.001        0.2       12.8
 MEDIAN                     0.001        0.2       41.9
 90TH PERCENTILE            0.001        0.2       97.4
 MAXIMUM                    0.001        0.2      256.2
 DATE OF MAXIMUM       1999-11-25 1999-11-25 1997-08-07
 STANDARD DEVIATION         0.000        0.0       54.7





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-07 TO 1999-12-01

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP   CHLORO A     NO3NO2    AMMONIA
                             COND                                        DISS
                            02041      02061      06711      07316      07564
                            us/cm      deg C       mg/L     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES        0          0         17          0          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       63         63         46         63         60
 MEAN                        128.       13.0     0.0077       0.71        0.2
 MINIMUM                      55.        0.5     0.0020       0.38        0.1
 DATE OF MINIMUM       1998-08-05 1998-01-27 1997-01-07 1997-05-06 1997-06-17
 10TH PERCENTILE              86.        3.0     0.0020       0.53        0.1
 MEDIAN                      131.       12.5     0.0030       0.73        0.1
 90TH PERCENTILE             160.       22.7     0.0130       0.85        0.2
 MAXIMUM                     199.       27.7     0.1000       1.09        0.4
 DATE OF MAXIMUM       1998-01-27 1999-08-10 1998-07-21 1999-10-12 1998-01-27
 STANDARD DEVIATION           31.        7.6     0.0151       0.13        0.1




                          PERCENT         O2          F        ALK         pH
                           DO SAT       DISS       DISS      TOTAL           
                            08001      08101      09116      10102      10301
                          PERCENT    mg/L O2     mg/L F       mg/L   pH UNITS


 NO. OF L-FLAGGED VALUES        0          0          3          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       63         63         60         63         63
 MEAN                         94.        9.9        0.1      22.36        7.3
 MINIMUM                      62.        5.3        0.1       8.00        6.5
 DATE OF MINIMUM       1998-08-05 1998-08-05 1997-11-04 1998-08-05 1998-08-05
 10TH PERCENTILE              88.        7.8        0.1      14.65        7.0
 MEDIAN                       95.        9.7        0.1      23.00        7.2
 90TH PERCENTILE              99.       12.6        0.1      29.00        7.5
 MAXIMUM                     130.       13.0        0.1      38.50        8.7
 DATE OF MAXIMUM       1998-07-21 1999-02-15 1997-08-19 1998-01-27 1998-07-21
 STANDARD DEVIATION            8.        1.9        0.0       6.07        0.3




                         SUSP SOL         Na         Mg   SULPHATE         Cl
                          105 DEG       DISS       DISS                  DISS
                            10401      11115      12115      16309      17209
                             mg/L    mg/L Na    mg/L Mg   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       63         63         63         63         63
 MEAN                         39.         9.         2.        13.        12.
 MINIMUM                       5.         4.         1.         6.         3.
 DATE OF MINIMUM       1998-02-03 1997-04-08 1997-04-08 1998-08-18 1998-08-05
 10TH PERCENTILE               7.         6.         2.         8.         7.
 MEDIAN                       13.         9.         2.        13.        11.
 90TH PERCENTILE              54.        12.         3.        17.        16.
 MAXIMUM                     851.        17.         4.        19.        23.
 DATE OF MAXIMUM       1998-08-05 1998-01-27 1999-02-15 1999-10-12 1998-01-27
 STANDARD DEVIATION          111.         3.         1.         3.         4.




                               Ca         Cr         Cr         Mn         Mn
                             DISS      TOTAL       DISS      TOTAL       DISS
                            20115      24009      24111      25010      25109
                          mg/L Ca    mg/L Cr    mg/L Cr    mg/L Mn    mg/L Mn


 NO. OF L-FLAGGED VALUES        0         55          9          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       63          8          0         63         62
 MEAN                       8.232      0.001      0.001       0.09       0.06
 MINIMUM                    2.500      0.001      0.001       0.04       0.00
 DATE OF MINIMUM       1998-08-05 1997-01-07 1999-04-13 1998-07-07 1997-10-07
 10TH PERCENTILE            5.190      0.001                  0.05       0.03
 MEDIAN                     8.100      0.001      0.001       0.07       0.05
 90TH PERCENTILE           11.110      0.001                  0.12       0.11
 MAXIMUM                   12.200      0.013      0.001       0.68       0.16
 DATE OF MAXIMUM       1999-10-12 1998-08-05 1999-12-01 1998-08-05 1998-01-27
 STANDARD DEVIATION         2.305      0.002      0.000       0.09       0.03




                               Fe         Fe         Cu         Cu         Zn
                            TOTAL       DISS      TOTAL       DISS      TOTAL
                            26009      26109      29009      29109      30009
                          mg/L Fe    mg/L Fe    mg/L Cu    mg/L Cu    mg/L Zn


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       63         63         63          9         63
 MEAN                        1.31       0.23      0.004      0.002      0.012
 MINIMUM                     0.50       0.02      0.002      0.001      0.004
 DATE OF MINIMUM       1998-03-17 1997-10-07 1997-01-07 1999-05-19 1999-08-10
 10TH PERCENTILE             0.56       0.14      0.002                 0.005
 MEDIAN                      0.76       0.23      0.003      0.001      0.010
 90TH PERCENTILE             1.75       0.33      0.007                 0.017
 MAXIMUM                    18.00       0.46      0.023      0.004      0.099
 DATE OF MAXIMUM       1998-08-05 1997-11-18 1998-08-05 1999-04-13 1998-08-05
 STANDARD DEVIATION          2.31       0.08      0.003      0.001      0.013




                               Zn   FAEC COL         Cd         Cd         Pb
                             DISS                 TOTAL       DISS      TOTAL
                            30109      36012      48009      48109      82009
                          mg/L Zn   No/100ml    mg/L Cd    mg/L Cd    mg/L Pb


 NO. OF L-FLAGGED VALUES        0          0         62          9          8
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        9         54          1          0         10
 MEAN                       0.003       449.      0.001      0.001      0.003
 MINIMUM                    0.002        50.      0.001      0.001      0.001
 DATE OF MINIMUM       1999-08-10 1997-04-22 1997-01-07 1999-04-13 1998-01-27
 10TH PERCENTILE                         80.      0.001                 0.001
 MEDIAN                     0.003       185.      0.001      0.001      0.002
 90TH PERCENTILE                        656.      0.001                 0.005
 MAXIMUM                    0.006      5700.      0.001      0.001      0.005
 DATE OF MAXIMUM       1999-07-07 1998-08-05 1999-12-01 1999-12-01 1997-03-11
 STANDARD DEVIATION         0.001       989.      0.000      0.000      0.002




                               Pb       INST
                            TOTAL     DISCHG
                            82911      97160
                          mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES        6          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES       39         63
 MEAN                       0.003      391.9
 MINIMUM                    0.001      139.0
 DATE OF MINIMUM       1997-04-22 1997-06-17
 10TH PERCENTILE            0.001      247.9
 MEDIAN                     0.002      366.0
 90TH PERCENTILE            0.004      520.4
 MAXIMUM                    0.025      917.0
 DATE OF MAXIMUM       1998-08-05 1998-08-05
 STANDARD DEVIATION         0.004      139.6





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-08-22 TO 1999-09-04

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP      TRANS        PAH     NO3NO2
                             COND                                            
                            02041      02061      02076      06505      07105
                            us/cm      deg C          m       ug/L     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       15         15          3         10         10
 MEAN                        100.        8.3       24.0       0.00       0.03
 MINIMUM                      84.        3.7                  0.00       0.01
 DATE OF MINIMUM       1999-09-04 1999-09-04            1998-08-21 1999-09-04
 10TH PERCENTILE              84.        3.8                  0.00       0.01
 MEDIAN                       88.        4.9                  0.00       0.03
 90TH PERCENTILE             125.       15.3                  0.00       0.04
 MAXIMUM                     139.       18.9                  0.00       0.05
 DATE OF MAXIMUM       1999-09-04 1999-09-04            1998-08-21 1999-09-04
 STANDARD DEVIATION           20.        5.5                  0.00       0.01




                           ORG. N        NH3         O2        BOD        COD
                             DISS                  DISS                      
                            07403      07556      08101      08201      08301
                           mg/L N     mg/L N    mg/L O2    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          2          0          1          2
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        5          8         15          0          3
 MEAN                         0.0       0.01       12.3         0.         1.
 MINIMUM                      0.0       0.01        9.5                    0.
 DATE OF MINIMUM       1997-08-22 1997-08-22 1997-08-22            1999-09-04
 10TH PERCENTILE                        0.01        9.6                      
 MEDIAN                       0.0       0.01       12.8                    1.
 90TH PERCENTILE                        0.02       13.8                      
 MAXIMUM                      0.1       0.02       13.8                    1.
 DATE OF MAXIMUM       1997-08-22 1997-08-22 1999-09-04            1999-09-04
 STANDARD DEVIATION           0.0       0.00        1.5                    0.




                               pH         Na         Mg        PO4          P
                                        DISS       DISS      TOTAL      TOTAL
                            10302      11105      12102      15403      15405
                         pH UNITS    mg/L Na    mg/L Mg   mg/L PO4     mg/L P


 NO. OF L-FLAGGED VALUES        0          0          0          5          5
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       15         15         15          0          5
 MEAN                         7.4        13.         3.      0.000      0.005
 MINIMUM                      6.6        12.         3.      0.000      0.000
 DATE OF MINIMUM       1997-08-22 1997-08-22 1999-09-04 1997-08-22 1997-08-22
 10TH PERCENTILE              6.6        12.         3.                 0.000
 MEDIAN                       7.5        13.         3.      0.000      0.004
 90TH PERCENTILE              7.7        13.         4.                 0.013
 MAXIMUM                      7.9        14.         4.      0.000      0.013
 DATE OF MAXIMUM       1999-09-04 1999-09-04 1998-08-21 1997-08-22 1999-09-04
 STANDARD DEVIATION           0.4         0.         0.      0.000      0.006




                          P TOTAL   SULPHATE         Cl    LINDANE          K
                             DISS                  DISS                  DISS
                            15417      16309      17209      18070      19105
                           mg/L P   mg/L SO4    mg/L Cl       ug/L     mg/L K


 NO. OF L-FLAGGED VALUES        5          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         15         15         10         15
 MEAN                       0.003        13.         8.      0.003        0.9
 MINIMUM                    0.003        12.         7.      0.002        0.9
 DATE OF MINIMUM       1999-09-04 1999-09-04 1999-09-04 1999-09-04 1997-08-22
 10TH PERCENTILE                         12.         7.      0.002        0.9
 MEDIAN                     0.003        13.         8.      0.003        0.9
 90TH PERCENTILE                         14.         8.      0.004        0.9
 MAXIMUM                    0.003        14.         8.      0.004        1.0
 DATE OF MAXIMUM       1999-09-04 1997-08-22 1998-08-21 1998-08-21 1998-08-21
 STANDARD DEVIATION         0.000         1.         0.      0.001        0.0




                               Ca         Mn         Fe         Ni         Zn
                             DISS      TOTAL      TOTAL      TOTAL      TOTAL
                            20103      25090      26090      28090      30090
                          mg/L Ca    mg/L Mn    mg/L Fe    mg/L Ni    mg/L Zn


 NO. OF L-FLAGGED VALUES        0          0          0         10          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       15         15         15          5         15
 MEAN                       8.673       0.00       0.00      0.000      0.001
 MINIMUM                    8.200       0.00       0.00      0.000      0.000
 DATE OF MINIMUM       1998-08-21 1998-08-21 1999-09-04 1997-08-22 1997-08-22
 10TH PERCENTILE            8.250       0.00       0.00      0.000      0.000
 MEDIAN                     8.600       0.00       0.00      0.000      0.001
 90TH PERCENTILE            9.250       0.00       0.01      0.000      0.003
 MAXIMUM                    9.300       0.02       0.02      0.001      0.004
 DATE OF MAXIMUM       1997-08-22 1997-08-22 1997-08-22 1998-08-21 1998-08-21
 STANDARD DEVIATION         0.373       0.00       0.01      0.000      0.001




                               Cd         Pb    BENZENE
                            TOTAL      TOTAL           
                            48090      82090      95100
                          mg/L Cd    mg/L Pb       ug/L


 NO. OF L-FLAGGED VALUES       15          9          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES        0          6          2
 MEAN                       0.000      0.000        0.1
 MINIMUM                    0.000      0.000           
 DATE OF MINIMUM       1997-08-22 1997-08-22           
 10TH PERCENTILE            0.000      0.000           
 MEDIAN                     0.000      0.000           
 90TH PERCENTILE            0.000      0.000           
 MAXIMUM                    0.000      0.001           
 DATE OF MAXIMUM       1999-09-04 1998-08-21           
 STANDARD DEVIATION         0.000      0.000           





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-22 TO 1999-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP   ORG CARB     NO3NO2        NH3
                             COND                  DISS                      
                            02041      02062      06101      07105      07556
                            us/cm      deg C     mg/L C     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       36         36         35         36         19
 MEAN                        144.        9.6        3.1       0.67       0.10
 MINIMUM                      69.        0.0        1.3       0.30       0.05
 DATE OF MINIMUM       1999-04-27 1997-01-22 1998-10-14 1997-06-18 1997-01-22
 10TH PERCENTILE              95.        0.1        1.6       0.41       0.05
 MEDIAN                      148.        8.4        2.2       0.62       0.05
 90TH PERCENTILE             179.       21.1        6.0       1.03       0.20
 MAXIMUM                     197.       24.5        6.9       1.08       0.44
 DATE OF MAXIMUM       1999-01-20 1999-08-20 1999-08-20 1998-11-19 1999-01-20
 STANDARD DEVIATION           32.        8.1        1.7       0.23       0.09




                               O2        BOD        ALK         pH   SUSP SOL
                             DISS                 TOTAL               105 DEG
                            08101      08201      10101      10302      10401
                          mg/L O2    mg/L O2       mg/L   pH UNITS       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       36         36         34         36         36
 MEAN                        11.1         1.      29.28        7.3        31.
 MINIMUM                      8.0         0.      13.90        7.0         2.
 DATE OF MINIMUM       1997-07-16 1997-04-25 1999-04-27 1997-09-18 1998-01-21
 10TH PERCENTILE              8.6         1.      17.94        7.1         6.
 MEDIAN                      10.9         1.      30.30        7.3        14.
 90TH PERCENTILE             13.2         2.      36.16        7.4        66.
 MAXIMUM                     14.1         2.      43.40        7.5       226.
 DATE OF MAXIMUM       1999-12-15 1998-05-20 1997-02-19 1998-10-14 1999-04-27
 STANDARD DEVIATION           1.9         0.       6.95        0.1        46.




                               Al         Al         Si          P         Cl
                            TOTAL       DISS   REACTIVE      TOTAL       DISS
                            13090      13190      14101      15405      17207
                          mg/L Al    mg/L Al   mg/LSiO2     mg/L P    mg/L Cl


 NO. OF L-FLAGGED VALUES        0          4          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         32         36         36         36
 MEAN                       1.550      0.133      19.44      0.064        11.
 MINIMUM                    0.160      0.010      10.70      0.028         6.
 DATE OF MINIMUM       1998-01-21 1997-02-19 1998-04-24 1998-01-21 1999-04-27
 10TH PERCENTILE            0.266      0.010      13.94      0.034         7.
 MEDIAN                     0.905      0.090      19.40      0.047        10.
 90TH PERCENTILE            2.660      0.383      24.25      0.102        16.
 MAXIMUM                   13.700      0.490      30.00      0.244        19.
 DATE OF MAXIMUM       1999-04-27 1999-03-03 1999-06-16 1998-05-20 1998-04-24
 STANDARD DEVIATION         2.422      0.140       4.13      0.045         3.



                             PCBS         Mn         Mn         Fe         Fe
                                       TOTAL       DISS      TOTAL       DISS
                            18165      25004      25104      26004      26104
                             ug/L    mg/L Mn    mg/L Mn    mg/L Fe    mg/L Fe


 NO. OF L-FLAGGED VALUES       36         17         30          0         13
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         19          6         36         23
 MEAN                       0.500       0.04       0.02       1.66       0.14
 MINIMUM                    0.500       0.01       0.01       0.43       0.01
 DATE OF MINIMUM       1997-01-22 1997-01-22 1997-01-22 1998-01-21 1998-10-14
 10TH PERCENTILE            0.500       0.01       0.01       0.58       0.02
 MEDIAN                     0.500       0.03       0.01       1.01       0.06
 90TH PERCENTILE            0.500       0.10       0.02       3.14       0.16
 MAXIMUM                    0.500       0.15       0.09      12.20       1.62
 DATE OF MAXIMUM       1999-12-15 1999-04-27 1999-01-20 1999-04-27 1998-05-20
 STANDARD DEVIATION         0.000       0.04       0.02       2.02       0.28




                               Cu         Cu         Zn         Zn         As
                            TOTAL       DISS      TOTAL       DISS      TOTAL
                            29005      29105      30005      30105      33007
                          mg/L Cu    mg/L Cu    MG/L ZN    mg/L Zn    mg/L As


 NO. OF L-FLAGGED VALUES       36         36         32         36         33
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          4          0          3
 MEAN                       0.020      0.020      0.006      0.005      0.001
 MINIMUM                    0.020      0.020      0.005      0.005      0.001
 DATE OF MINIMUM       1997-01-22 1997-01-22 1997-01-22 1997-01-22 1997-01-22
 10TH PERCENTILE            0.020      0.020      0.005      0.005      0.001
 MEDIAN                     0.020      0.020      0.005      0.005      0.001
 90TH PERCENTILE            0.020      0.020      0.006      0.005      0.001
 MAXIMUM                    0.020      0.020      0.020      0.005      0.002
 DATE OF MAXIMUM       1999-12-15 1999-12-15 1999-04-27 1999-12-15 1999-04-27
 STANDARD DEVIATION         0.000      0.000      0.003      0.000      0.000




                               As         Se         Se   COLIFORM         Cd
                             DISS      TOTAL       DISS      TOTAL      TOTAL
                            33104      34002      34102      36001      48002
                          mg/L As    mg/L Se    mg/L Se   No/100ml    mg/L Cd


 NO. OF L-FLAGGED VALUES       36         36         36          0         35
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0         36          1
 MEAN                       0.001      0.001      0.001    3.2E+04      0.001
 MINIMUM                    0.001      0.001      0.001    2.7E+02      0.001
 DATE OF MINIMUM       1997-01-22 1997-01-22 1997-01-22 1999-04-27 1997-01-22
 10TH PERCENTILE            0.001      0.001      0.001    1.1E+03      0.001
 MEDIAN                     0.001      0.001      0.001    3.3E+03      0.001
 90TH PERCENTILE            0.001      0.001      0.001    3.3E+04      0.001
 MAXIMUM                    0.001      0.001      0.001    7.0E+05      0.001
 DATE OF MAXIMUM       1999-12-15 1999-12-15 1999-12-15 1998-04-24 1999-12-15
 STANDARD DEVIATION         0.000      0.000      0.000    1.2E+05      0.000



                               Cd         Ba         Hg         Pb         Pb
                             DISS      TOTAL       DISS      TOTAL       DISS
                            48102      80016      80111      82002      82103
                          mg/L Cd    ug/L Hg    ug/L Hg    mg/L Pb    mg/L Pb


 NO. OF L-FLAGGED VALUES       36         36         36         32         36
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          4          0
 MEAN                       0.001      0.500      0.500      0.001      0.001
 MINIMUM                    0.001      0.500      0.500      0.001      0.001
 DATE OF MINIMUM       1997-01-22 1997-01-22 1997-01-22 1997-01-22 1997-01-22
 10TH PERCENTILE            0.001      0.500      0.500      0.001      0.001
 MEDIAN                     0.001      0.500      0.500      0.001      0.001
 90TH PERCENTILE            0.001      0.500      0.500      0.001      0.001
 MAXIMUM                    0.001      0.500      0.500      0.002      0.001
 DATE OF MAXIMUM       1999-12-15 1999-12-15 1999-12-15 1998-09-25 1999-12-15
 STANDARD DEVIATION         0.000      0.000      0.000      0.000      0.000




                          PHENOLS       INST
                                      DISCHG
                            95011      97160
                             ug/L       m3/S


 NO. OF L-FLAGGED VALUES       36          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        0         36
 MEAN                         5.0      440.2
 MINIMUM                      5.0       80.0
 DATE OF MINIMUM       1997-01-22 1997-02-19
 10TH PERCENTILE              5.0      114.6
 MEDIAN                       5.0      279.6
 90TH PERCENTILE              5.0      796.4
 MAXIMUM                      5.0     2933.5
 DATE OF MAXIMUM       1999-12-15 1999-04-27
 STANDARD DEVIATION           0.0      513.9





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-22 TO 1999-12-15

 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          1         36          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         35          0         36
 MEAN                        129.       13.0        0.0      5.000     0.9344
 MINIMUM                      76.        0.6        0.0      5.000     0.0008
 DATE OF MINIMUM       1998-09-17 1999-01-13 1998-03-18 1997-01-22 1999-01-13
 10TH PERCENTILE              90.        2.0        0.0      5.000     0.0023
 MEDIAN                      133.       14.1        0.0      5.000     0.0042
 90TH PERCENTILE             154.       23.0        0.0      5.000     2.7500
 MAXIMUM                     169.       26.5        0.1      5.000    11.4000
 DATE OF MAXIMUM       1998-02-04 1997-07-23 1997-02-12 1999-12-15 1997-08-20
 STANDARD DEVIATION           23.        8.1        0.0      0.000     2.5920




                           NO3NO2     NO3NO2     ORG. N        NH3    AMMONIA
                                                   DISS                  DISS
                            07105      07316      07403      07556      07564
                           mg/L N     mg/L N     mg/L N     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          4          2
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        9         27         36         23          7
 MEAN                        0.59       0.67        0.6       0.07        0.0
 MINIMUM                     0.35       0.43        0.1       0.02        0.0
 DATE OF MINIMUM       1997-07-23 1998-06-17 1999-10-12 1997-10-16 1997-09-24
 10TH PERCENTILE                        0.44        0.1       0.02           
 MEDIAN                      0.65       0.64        0.5       0.05        0.0
 90TH PERCENTILE                        0.87        1.0       0.17           
 MAXIMUM                     0.76       1.02        1.3       0.17        0.1
 DATE OF MAXIMUM       1997-09-24 1998-01-21 1998-01-21 1998-12-09 1997-01-22
 STANDARD DEVIATION          0.13       0.16        0.4       0.05        0.0




                           ORG. N    PERCENT         O2        BOD        COD
                             PART     DO SAT       DISS                      
                            07912      08001      08101      08201      08301
                           ug/g 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        3         21         36         36         36
 MEAN                       0.960        99.       10.3         2.         4.
 MINIMUM                                 82.        6.7         1.         2.
 DATE OF MINIMUM                  1999-07-14 1998-09-17 1999-09-08 1999-12-15
 10TH PERCENTILE                         86.        7.5         1.         2.
 MEDIAN                                  97.        9.9         2.         3.
 90TH PERCENTILE                        108.       13.3         2.         5.
 MAXIMUM                                128.       14.2         3.        13.
 DATE OF MAXIMUM                  1998-09-17 1997-01-22 1997-07-23 1997-05-21
 STANDARD DEVIATION                      10.        2.2         0.         2.



                                F        ALK         pH   SUSP SOL         Na
                             DISS      TOTAL               105 DEG       DISS
                            09116      10101      10301      10401      11105
                           mg/L F       mg/L   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       36         36         36         36         36
 MEAN                         0.1      25.96        7.2        16.         9.
 MINIMUM                      0.0      13.10        6.7         2.         5.
 DATE OF MINIMUM       1997-06-18 1998-09-17 1997-04-16 1999-02-03 1998-09-17
 10TH PERCENTILE              0.1      18.72        6.8         3.         7.
 MEDIAN                       0.1      26.35        7.2        11.         9.
 90TH PERCENTILE              0.1      31.98        7.4        21.        11.
 MAXIMUM                      0.3      38.60        8.1       107.        12.
 DATE OF MAXIMUM       1999-05-19 1999-02-03 1997-07-23 1999-07-14 1998-02-04
 STANDARD DEVIATION           0.0       5.47        0.3        22.         2.




                               Mg         Al         Al         Si          P
                             DISS       DISS      TOTAL   REACTIVE      TOTAL
                            12102      13901      13911      14101      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       36         36         36         36         36
 MEAN                          3.      0.069      0.814      18.70      0.092
 MINIMUM                       2.      0.020      0.100      10.00      0.043
 DATE OF MINIMUM       1997-10-16 1997-02-12 1997-01-22 1999-11-24 1998-11-25
 10TH PERCENTILE               2.      0.020      0.106      14.64      0.045
 MEDIAN                        3.      0.040      0.430      18.65      0.075
 90TH PERCENTILE               3.      0.130      1.760      22.21      0.135
 MAXIMUM                       4.      0.480      7.400      24.10      0.409
 DATE OF MAXIMUM       1998-07-22 1999-05-19 1998-09-17 1998-02-04 1999-07-14
 STANDARD DEVIATION            0.      0.085      1.296       3.18      0.075




                          P TOTAL   SULPHATE         Cl         Cl       PCBS
                             DISS                  DISS       DISS           
                            15417      16309      17207      17209      18165
                           mg/L P   mg/L SO4    mg/L Cl    mg/L Cl       ug/L


 NO. OF L-FLAGGED VALUES        0          0          0          0         36
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         27          9          0
 MEAN                       0.037        16.        10.        12.      0.500
 MINIMUM                    0.011         9.         5.        10.      0.500
 DATE OF MINIMUM       1999-04-21 1999-07-14 1999-07-14 1997-04-16 1997-01-22
 10TH PERCENTILE            0.021        12.         6.                 0.500
 MEDIAN                     0.032        16.        10.        12.      0.500
 90TH PERCENTILE            0.056        19.        12.                 0.500
 MAXIMUM                    0.115        21.        15.        15.      0.500
 DATE OF MAXIMUM       1999-07-14 1997-02-12 1998-02-04 1997-02-12 1999-12-15
 STANDARD DEVIATION         0.019         3.         2.         2.      0.000




                                K          K         Ca         Cr         Cr
                             DISS       DISS       DISS       DISS      TOTAL
                            19102      19105      20103      24901      24911
                           mg/L K     mg/L K    mg/L Ca    mg/L Cr    mg/L Cr


 NO. OF L-FLAGGED VALUES        0          0          0         36         35
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        9         27         36          0          1
 MEAN                         1.6        2.0      8.596      0.001      0.001
 MINIMUM                      1.0        1.0      3.900      0.001      0.001
 DATE OF MINIMUM       1997-04-16 1998-07-22 1998-09-17 1997-01-22 1997-01-22
 10TH PERCENTILE                         1.2      5.040      0.001      0.001
 MEDIAN                       1.6        1.9      8.200      0.001      0.001
 90TH PERCENTILE                         2.6     12.450      0.001      0.001
 MAXIMUM                      2.0        2.8     15.500      0.001      0.002
 DATE OF MAXIMUM       1997-09-24 1998-09-17 1998-07-22 1999-12-15 1999-07-14
 STANDARD DEVIATION           0.3        0.5      2.879      0.000      0.000




                               Mn         Mn         Mn         Mn         Fe
                            TOTAL       DISS       DISS      TOTAL      TOTAL
                            25004      25104      25901      25911      26004
                          mg/L Mn    mg/L Mn    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       30         30          6          6         36
 MEAN                        0.20       0.10       0.01       0.06       0.96
 MINIMUM                     0.04       0.01       0.00       0.04       0.29
 DATE OF MINIMUM       1999-01-13 1997-07-23 1997-12-10 1997-10-16 1999-01-13
 10TH PERCENTILE             0.04       0.02                             0.39
 MEDIAN                      0.06       0.05       0.01       0.07       0.77
 90TH PERCENTILE             0.13       0.10                             1.30
 MAXIMUM                     3.94       1.07       0.02       0.08       4.25
 DATE OF MAXIMUM       1998-08-19 1998-08-19 1997-10-16 1998-01-21 1998-09-17
 STANDARD DEVIATION          0.71       0.22       0.00       0.02       0.87




                               Fe         Fe         Ni         Ni         Cu
                             DISS       DISS       DISS      TOTAL       DISS
                            26104      26901      28901      28911      29901
                          mg/L Fe    mg/L Fe    mg/L Ni    mg/L Ni    mg/L Cu


 NO. OF L-FLAGGED VALUES        0          0         36         35         36
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       33          3          0          1          0
 MEAN                        0.18       0.12      0.010      0.010      0.010
 MINIMUM                     0.12                 0.010      0.010      0.010
 DATE OF MINIMUM       1999-01-13            1997-01-22 1997-01-22 1997-01-22
 10TH PERCENTILE             0.13                 0.010      0.010      0.010
 MEDIAN                      0.17                 0.010      0.010      0.010
 90TH PERCENTILE             0.25                 0.010      0.010      0.010
 MAXIMUM                     0.38                 0.010      0.020      0.010
 DATE OF MAXIMUM       1999-06-21            1999-12-15 1998-08-19 1999-12-15
 STANDARD DEVIATION          0.05                 0.000      0.002      0.000




                               Cu         Zn         Zn         Zn         Zn
                            TOTAL      TOTAL       DISS       DISS      TOTAL
                            29911      30004      30104      30901      30911
                          mg/L Cu    mg/L Zn    mg/L Zn    mg/L Zn    mg/L Zn


 NO. OF L-FLAGGED VALUES       36          2          9          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         28         21          5          6
 MEAN                       0.010      0.013      0.006      0.008      0.012
 MINIMUM                    0.010      0.005      0.003      0.005      0.005
 DATE OF MINIMUM       1997-01-22 1997-01-22 1999-11-24 1997-10-16 1997-10-16
 10TH PERCENTILE            0.010      0.005      0.005                      
 MEDIAN                     0.010      0.010      0.005      0.009      0.013
 90TH PERCENTILE            0.010      0.018      0.009                      
 MAXIMUM                    0.010      0.034      0.010      0.014      0.017
 DATE OF MAXIMUM       1999-12-15 1998-09-17 1998-09-17 1998-01-21 1998-01-21
 STANDARD DEVIATION         0.000      0.007      0.002      0.003      0.004




                               As         As         Se         Se   COLIFORM
                            TOTAL       DISS      TOTAL       DISS      TOTAL
                            33007      33104      34007      34102      36001
                          mg/L As    mg/L As    mg/L Se    mg/L Se   No/100ml


 NO. OF L-FLAGGED VALUES       13         30         36         36          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       23          6          0          0         36
 MEAN                       0.001      0.001      0.001      0.001    2.0E+04
 MINIMUM                    0.001      0.001      0.001      0.001    7.9E+02
 DATE OF MINIMUM       1997-01-22 1997-01-22 1997-01-22 1997-01-22 1998-02-04
 10TH PERCENTILE            0.001      0.001      0.001      0.001    1.1E+03
 MEDIAN                     0.001      0.001      0.001      0.001    7.4E+03
 90TH PERCENTILE            0.002      0.001      0.001      0.001    4.1E+04
 MAXIMUM                    0.003      0.001      0.001      0.001    1.6E+05
 DATE OF MAXIMUM       1998-09-17 1999-12-15 1999-12-15 1999-12-15 1998-11-25
 STANDARD DEVIATION         0.001      0.000      0.000      0.000    3.1E+04




                         FAEC COL         Cd         Cd         Ba         Hg
                                        DISS      TOTAL      TOTAL       DISS
                            36012      48901      48911      80011      80111
                         No/100ml    mg/L Cd    mg/L Cd    ug/L Hg    ug/L Hg


 NO. OF L-FLAGGED VALUES        0         36         36         36         36
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          0          0          0          0
 MEAN                         66.      0.001      0.001      0.050      0.050
 MINIMUM                       2.      0.001      0.001      0.050      0.050
 DATE OF MINIMUM       1997-03-12 1997-01-22 1997-01-22 1997-01-22 1997-01-22
 10TH PERCENTILE               8.      0.001      0.001      0.050      0.050
 MEDIAN                       50.      0.001      0.001      0.050      0.050
 90TH PERCENTILE             100.      0.001      0.001      0.050      0.050
 MAXIMUM                     400.      0.001      0.001      0.050      0.050
 DATE OF MAXIMUM       1997-05-21 1999-12-15 1999-12-15 1999-12-15 1999-12-15
 STANDARD DEVIATION           80.      0.000      0.000      0.000      0.000




                               Pb         Pb         Pb
                             DISS       DISS      TOTAL
                            82101      82901      82911
                          mg/L Pb    mg/L Pb    mg/L Pb


 NO. OF L-FLAGGED VALUES       27          9         36
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0
 MEAN                       0.005      0.005      0.005
 MINIMUM                    0.005      0.005      0.005
 DATE OF MINIMUM       1997-10-16 1997-01-22 1997-01-22
 10TH PERCENTILE            0.005                 0.005
 MEDIAN                     0.005      0.005      0.005
 90TH PERCENTILE            0.005                 0.005
 MAXIMUM                    0.005      0.005      0.005
 DATE OF MAXIMUM       1999-12-15 1997-09-24 1999-12-15
 STANDARD DEVIATION         0.000      0.000      0.000





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-20 TO 1999-12-06

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             TEMP      TRANS   ORG CARB   CHLORO A     NO3NO2
                                                   DISS                      
                            02062      02076      06101      06711      07105
                            deg C          m     mg/L C       mg/L     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          2
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         33         36         34
 MEAN                        17.4        6.8        1.2     0.0041       0.14
 MINIMUM                      7.1        3.3        0.9     0.0006       0.01
 DATE OF MINIMUM       1997-03-03 1998-08-03 1998-08-03 1999-06-07 1998-07-06
 10TH PERCENTILE              8.1        4.8        1.0     0.0016       0.02
 MEDIAN                      17.8        6.6        1.2     0.0039       0.15
 90TH PERCENTILE             27.3        9.0        1.6     0.0062       0.24
 MAXIMUM                     31.0       10.5        2.1     0.0154       0.25
 DATE OF MAXIMUM       1999-08-02 1999-06-07 1997-05-07 1999-12-06 1999-04-05
 STANDARD DEVIATION           7.5        1.7        0.2     0.0026       0.08




                              NH3    PERCENT         O2        BOD         pH
                                      DO SAT       DISS                      
                            07556      08001      08102      08201      10301
                           mg/L N    PERCENT    mg/L O2    mg/L O2   pH UNITS


 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          3
 MEAN                        0.01       105.        9.9         1.        7.7
 MINIMUM                     0.01        87.        7.7         0.           
 DATE OF MINIMUM       1997-01-20 1997-02-03 1999-10-04 1997-08-04           
 10TH PERCENTILE             0.01        89.        8.0         0.           
 MEDIAN                      0.01       103.       10.0         0.           
 90TH PERCENTILE             0.02       119.       11.1         1.           
 MAXIMUM                     0.03       129.       11.6         1.           
 DATE OF MAXIMUM       1998-04-06 1998-07-06 1997-04-07 1998-05-11           
 STANDARD DEVIATION          0.01        11.        1.0         0.           




                               pH   SUSP SOL         Si          P         Cl
                                     105 DEG   REACTIVE      TOTAL       DISS
                            10302      10401      14101      15405      17203
                         pH UNITS       mg/L   mg/LSiO2     mg/L P    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       33         36         36         35         36
 MEAN                         8.3         1.       1.44      0.007        10.
 MINIMUM                      7.5         0.       0.40      0.005         9.
 DATE OF MINIMUM       1999-03-01 1999-02-01 1998-05-11 1997-04-07 1998-11-09
 10TH PERCENTILE              7.6         0.       0.66      0.005         9.
 MEDIAN                       8.2         1.       1.55      0.007        10.
 90TH PERCENTILE              9.0         1.       2.00      0.009        10.
 MAXIMUM                      9.2         2.       2.30      0.011        10.
 DATE OF MAXIMUM       1999-08-02 1998-08-03 1998-03-02 1998-08-03 1997-05-07
 STANDARD DEVIATION           0.5         0.       0.50      0.002         0.




                               Cr         Mn         Mn         Fe         Fe
                            TOTAL      TOTAL       DISS      TOTAL       DISS
                            24002      25004      25104      26004      26104
                          mg/L Cr    mg/L Mn    mg/L Mn    mg/L Fe    mg/L Fe


 NO. OF L-FLAGGED VALUES        1          0         15          0          4
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         32         16         32         27
 MEAN                       0.005       0.00       0.00       0.02       0.00
 MINIMUM                                0.00       0.00       0.00       0.00
 DATE OF MINIMUM                  1997-07-07 1997-06-02 1999-02-01 1998-03-02
 10TH PERCENTILE                        0.00       0.00       0.01       0.00
 MEDIAN                                 0.00       0.00       0.01       0.00
 90TH PERCENTILE                        0.00       0.00       0.03       0.01
 MAXIMUM                                0.01       0.00       0.03       0.01
 DATE OF MAXIMUM                  1998-03-02 1998-04-06 1999-07-05 1999-07-05
 STANDARD DEVIATION                     0.00       0.00       0.01       0.00




                               As   COLIFORM   FAEC COL   FAEC COL         Cd
                            TOTAL      TOTAL                            TOTAL
                            33007      36001      36011      36012      48002
                          mg/L As   No/100ml   No/100ml   No/100ml    mg/L Cd


 NO. OF L-FLAGGED VALUES        1          1          0          9          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         35          6         21          0
 MEAN                       0.005        24.         0.         1.      0.001
 MINIMUM                                  0.         0.         0.           
 DATE OF MINIMUM                  1997-01-20 1997-04-07 1997-01-20           
 10TH PERCENTILE                          0.                    0.           
 MEDIAN                                   8.         0.         0.           
 90TH PERCENTILE                         53.                    2.           
 MAXIMUM                                210.         0.         2.           
 DATE OF MAXIMUM                  1998-11-09 1997-09-01 1999-12-06           
 STANDARD DEVIATION                      42.         0.         1.           




                               Ba         Pb
                            TOTAL      TOTAL
                            80011      82002
                          ug/L Hg    mg/L Pb


 NO. OF L-FLAGGED VALUES        2          1
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        0          0
 MEAN                       0.500      0.005
 MINIMUM                                    
 DATE OF MINIMUM                            
 10TH PERCENTILE                            
 MEDIAN                                     
 90TH PERCENTILE                            
 MAXIMUM                                    
 DATE OF MAXIMUM                            
 STANDARD DEVIATION                         





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-21 TO 1999-12-07

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             TEMP      TRANS          B   ORG CARB   CHLORO A
                                                  TOTAL       DISS           
                            02062      02076      05090      06101      06711
                            deg C          m     mg/L B     mg/L C       mg/L


 NO. OF L-FLAGGED VALUES        0          0          4          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36          0         33         36
 MEAN                        16.8        1.6        0.1        1.4     0.0083
 MINIMUM                      5.0        0.6        0.1        1.0     0.0034
 DATE OF MINIMUM       1997-02-04 1997-01-21 1999-05-11 1999-03-02 1998-07-07
 10TH PERCENTILE              5.9        0.8                   1.2     0.0042
 MEDIAN                      17.9        1.5        0.1        1.4     0.0080
 90TH PERCENTILE             25.5        2.4                   1.8     0.0120
 MAXIMUM                     29.8        3.1        0.1        2.4     0.0162
 DATE OF MAXIMUM       1999-08-03 1997-06-03 1999-11-09 1997-05-07 1999-12-07
 STANDARD DEVIATION           7.8        0.7        0.0        0.3     0.0033




                           NO3NO2        NH3    PERCENT         O2        BOD
                                                 DO SAT       DISS           
                            07105      07556      08001      08102      08201
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        1          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         36         36         36         36
 MEAN                        0.14       0.03       104.       10.0         1.
 MINIMUM                     0.00       0.01        85.        7.5         0.
 DATE OF MINIMUM       1997-09-02 1997-09-02 1999-01-19 1997-08-05 1998-11-10
 10TH PERCENTILE             0.01       0.01        89.        8.1         1.
 MEDIAN                      0.13       0.02       102.       10.3         1.
 90TH PERCENTILE             0.25       0.06       120.       11.4         1.
 MAXIMUM                     0.29       0.08       124.       12.1         2.
 DATE OF MAXIMUM       1998-03-03 1999-07-06 1997-05-07 1999-03-02 1997-09-02
 STANDARD DEVIATION          0.09       0.02        10.        1.3         0.




                               pH         pH   SUSP SOL         Si          P
                                                105 DEG   REACTIVE      TOTAL
                            10301      10302      10401      14101      15405
                         pH UNITS   pH UNITS       mg/L   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        3         33         36         36         35
 MEAN                         7.8        8.2         8.       1.72      0.017
 MINIMUM                                 7.5         2.       0.20      0.009
 DATE OF MINIMUM                  1999-02-02 1997-06-03 1997-10-07 1997-03-04
 10TH PERCENTILE                         7.6         3.       0.50      0.009
 MEDIAN                                  8.1         6.       1.90      0.015
 90TH PERCENTILE                         8.9        13.       2.66      0.023
 MAXIMUM                                 9.0        33.       3.50      0.039
 DATE OF MAXIMUM                  1997-10-07 1997-01-21 1997-12-02 1997-12-02
 STANDARD DEVIATION                      0.5         7.       0.81      0.007



                               Cl       PCBS         Cr         As         Se
                             DISS                 TOTAL      TOTAL      TOTAL
                            17203      18165      24002      33007      34002
                          mg/L Cl       ug/L    mg/L Cr    mg/L As    mg/L Se


 NO. OF L-FLAGGED VALUES        0          2          2         12         15
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          1          0          0          0
 MEAN                         10.      0.500      0.005      0.005      0.002
 MINIMUM                       9.                            0.005      0.002
 DATE OF MINIMUM       1999-07-06                       1997-02-04 1997-05-07
 10TH PERCENTILE               9.                            0.005      0.002
 MEDIAN                       10.                            0.005      0.002
 90TH PERCENTILE              11.                            0.005      0.002
 MAXIMUM                      11.                            0.005      0.002
 DATE OF MAXIMUM       1997-12-02                       1999-11-09 1999-11-09
 STANDARD DEVIATION            1.                            0.000      0.000




                         COLIFORM   FAEC COL   FAEC COL         Cd         Cd
                            TOTAL                            TOTAL      TOTAL
                            36001      36011      36012      48002      48090
                         No/100ml   No/100ml   No/100ml    mg/L Cd    mg/L Cd


 NO. OF L-FLAGGED VALUES        0          0          6          3          9
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          6         24          0          0
 MEAN                        133.         0.         2.      0.001      0.001
 MINIMUM                       0.         0.         0.                 0.001
 DATE OF MINIMUM       1999-03-02 1997-05-07 1997-01-21            1997-11-05
 10TH PERCENTILE               2.                    0.                      
 MEDIAN                       23.         0.         0.                 0.001
 90TH PERCENTILE             149.                    2.                      
 MAXIMUM                    2800.         2.        14.                 0.001
 DATE OF MAXIMUM       1997-11-05 1997-04-08 1999-06-08            1999-11-09
 STANDARD DEVIATION          471.         1.         3.                 0.000




                               Ba         Pb         Pb    BENZENE
                            TOTAL      TOTAL      TOTAL           
                            80011      82002      82090      95100
                          ug/L Hg    mg/L Pb    mg/L Pb       ug/L


 NO. OF L-FLAGGED VALUES       17          3          9         11
 NO. OF G-FLAGGED VALUES        0          0          0          0
 NO. OF UNFLAGGED VALUES        1          0          0          0
 MEAN                       0.500      0.005      0.005        0.9
 MINIMUM                    0.500                 0.005        0.0
 DATE OF MINIMUM       1997-01-21            1997-11-05 1999-11-09
 10TH PERCENTILE            0.500                              0.1
 MEDIAN                     0.500                 0.005        1.0
 90TH PERCENTILE            0.500                              1.0
 MAXIMUM                    0.500                 0.005        1.0
 DATE OF MAXIMUM       1999-11-09            1999-11-09 1999-08-03
 STANDARD DEVIATION         0.000                 0.000        0.3





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-08 TO 1998-12-01

 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       24         24         22         24          2
 MEAN                        107.       16.7        2.7       2.37        0.1
 MINIMUM                      72.        6.0        0.9       0.56        0.1
 DATE OF MINIMUM       1997-07-08 1997-01-08 1997-07-08 1998-05-26 1997-01-08
 10TH PERCENTILE              82.        7.0        1.2       0.62        0.1
 MEDIAN                      108.       17.9        3.0       1.71        0.1
 90TH PERCENTILE             126.       25.8        3.6       4.56        0.1
 MAXIMUM                     131.       27.2        4.5       6.10        0.2
 DATE OF MAXIMUM       1997-10-14 1998-08-03 1998-12-01 1997-10-14 1998-06-16
 STANDARD DEVIATION           16.        6.7        1.0       1.74        0.0




                               O2        BOD        COD        ALK         pH
                             DISS                            TOTAL           
                            08101      08201      08301      10102      10302
                          mg/L O2    mg/L O2    mg/L O2       mg/L   pH UNITS


 NO. OF L-FLAGGED VALUES        0         17          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24          7          9         24         24
 MEAN                         9.9         1.         1.      30.08        7.4
 MINIMUM                      8.3         0.         1.      21.60        6.8
 DATE OF MINIMUM       1997-08-18 1998-05-26 1998-08-03 1997-07-08 1998-10-06
 10TH PERCENTILE              8.4         0.                 25.10        7.1
 MEDIAN                       9.4         1.         1.      30.65        7.4
 90TH PERCENTILE             11.6         1.                 34.45        7.6
 MAXIMUM                     11.8         1.         2.      36.50        7.8
 DATE OF MAXIMUM       1998-02-16 1998-07-23 1998-07-23 1997-10-14 1997-11-18
 STANDARD DEVIATION           1.1         0.         0.       3.78        0.2




                         SUSP SOL         Na         Mg         Al         Al
                          105 DEG       DISS       DISS      TOTAL       DISS
                            10401      11112      12109      13009      13109
                             mg/L    mg/L Na    mg/L Mg    mg/L Al    mg/L Al


 NO. OF L-FLAGGED VALUES        1          0          0          0          2
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       23         24         24         24         22
 MEAN                          3.         4.         2.      0.131      0.076
 MINIMUM                       1.         2.         1.      0.012      0.005
 DATE OF MINIMUM       1998-01-07 1997-07-08 1997-07-08 1997-02-17 1997-02-17
 10TH PERCENTILE               1.         3.         1.      0.030      0.005
 MEDIAN                        2.         4.         2.      0.057      0.023
 90TH PERCENTILE               4.         5.         2.      0.206      0.112
 MAXIMUM                      10.         5.         2.      1.075      0.725
 DATE OF MAXIMUM       1997-07-08 1997-04-15 1998-12-01 1997-07-08 1997-07-08
 STANDARD DEVIATION            2.         1.         0.      0.220      0.163





                               Si          P    P TOTAL   SULPHATE         Cl
                         REACTIVE      TOTAL       DISS                  DISS
                            14101      15405      15417      16309      17204
                         mg/LSiO2     mg/L P     mg/L P   mg/L SO4    mg/L Cl


 NO. OF L-FLAGGED VALUES        0          0          7          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         24         17         24         24
 MEAN                        7.51      0.016      0.008        11.         4.
 MINIMUM                     3.18      0.007      0.005         6.         3.
 DATE OF MINIMUM       1997-02-17 1998-12-01 1997-01-08 1997-07-08 1997-07-08
 10TH PERCENTILE             5.29      0.008      0.005         9.         3.
 MEDIAN                      7.78      0.015      0.007        11.         4.
 90TH PERCENTILE             8.56      0.024      0.011        14.         5.
 MAXIMUM                     9.00      0.033      0.014        14.         6.
 DATE OF MAXIMUM       1998-10-06 1997-06-03 1997-06-03 1998-03-03 1997-01-08
 STANDARD DEVIATION          1.29      0.006      0.003         2.         1.




                                K         Ca         Cr         Cr         Mn
                             DISS       DISS      TOTAL       DISS      TOTAL
                            19112      20109      24009      24111      25010
                           mg/L K       mg/L    mg/L Cr    mg/L Cr    mg/L Mn


 NO. OF L-FLAGGED VALUES        0          0         24         24         22
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         24          0          0          2
 MEAN                         0.9     12.883      0.005      0.005       0.01
 MINIMUM                      0.6      9.400      0.005      0.005       0.01
 DATE OF MINIMUM       1998-04-28 1997-07-08 1997-01-08 1997-01-08 1997-01-08
 10TH PERCENTILE              0.6      9.700      0.005      0.005       0.01
 MEDIAN                       0.9     13.250      0.005      0.005       0.01
 90TH PERCENTILE              1.0     15.600      0.005      0.005       0.01
 MAXIMUM                      1.2     16.500      0.005      0.005       0.01
 DATE OF MAXIMUM       1997-10-14 1997-10-14 1998-12-01 1998-12-01 1998-12-01
 STANDARD DEVIATION           0.2      2.242      0.000      0.000       0.00




                               Mn         Fe         Fe         Ni         Ni
                             DISS      TOTAL       DISS      TOTAL       DISS
                            25109      26009      26109      28009      28109
                          mg/L Mn    mg/L Fe    mg/L Fe    mg/L Ni    mg/L Ni


 NO. OF L-FLAGGED VALUES       24          0         22         24         24
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         24          2          0          0
 MEAN                        0.01       0.07       0.01      0.005      0.005
 MINIMUM                     0.01       0.02       0.01      0.005      0.005
 DATE OF MINIMUM       1997-01-08 1997-01-08 1997-01-08 1997-01-08 1997-01-08
 10TH PERCENTILE             0.01       0.02       0.01      0.005      0.005
 MEDIAN                      0.01       0.05       0.01      0.005      0.005
 90TH PERCENTILE             0.01       0.09       0.01      0.005      0.005
 MAXIMUM                     0.01       0.27       0.04      0.005      0.005
 DATE OF MAXIMUM       1998-12-01 1997-07-08 1998-05-26 1998-12-01 1998-12-01
 STANDARD DEVIATION          0.00       0.06       0.01      0.000      0.000




                               Cu         Cu         Zn         Zn   COLIFORM
                            TOTAL       DISS      TOTAL       DISS      TOTAL
                            29009      29109      30009      30109      36001
                          mg/L Cu    mg/L Cu    mg/L Zn    mg/L Zn   No/100ml


 NO. OF L-FLAGGED VALUES       24         24         24         24          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          0         24
 MEAN                       0.005      0.005      0.005      0.005      2650.
 MINIMUM                    0.005      0.005      0.005      0.005        50.
 DATE OF MINIMUM       1997-01-08 1997-01-08 1997-01-08 1997-01-08 1997-02-17
 10TH PERCENTILE            0.005      0.005      0.005      0.005       154.
 MEDIAN                     0.005      0.005      0.005      0.005      1200.
 90TH PERCENTILE            0.005      0.005      0.005      0.005      3950.
 MAXIMUM                    0.005      0.005      0.005      0.005     24000.
 DATE OF MAXIMUM       1998-12-01 1998-12-01 1998-12-01 1998-12-01 1997-07-08
 STANDARD DEVIATION         0.000      0.000      0.000      0.000      4876.




                         FAEC COL         Cd         Cd         Pb         Pb
                                       TOTAL       DISS      TOTAL       DISS
                            36012      48011      48109      82009      82109
                         No/100ml    mg/L Cd    mg/L Cd    mg/L Pb    mg/L Pb


 NO. OF L-FLAGGED VALUES        0         24         24         24         24
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24          0          0          0          0
 MEAN                         66.      0.005      0.005      0.005      0.005
 MINIMUM                       0.      0.005      0.005      0.005      0.005
 DATE OF MINIMUM       1997-02-17 1997-01-08 1997-01-08 1997-01-08 1997-01-08
 10TH PERCENTILE               9.      0.005      0.005      0.005      0.005
 MEDIAN                       38.      0.005      0.005      0.005      0.005
 90TH PERCENTILE             107.      0.005      0.005      0.005      0.005
 MAXIMUM                     364.      0.005      0.005      0.005      0.005
 DATE OF MAXIMUM       1997-08-18 1998-12-01 1998-12-01 1998-12-01 1998-12-01
 STANDARD DEVIATION           87.      0.000      0.000      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       24
 MEAN                       105.5
 MINIMUM                     18.0
 DATE OF MINIMUM       1997-11-18
 10TH PERCENTILE             33.4
 MEDIAN                      63.5
 90TH PERCENTILE            220.0
 MAXIMUM                    571.0
 DATE OF MAXIMUM       1997-07-08
 STANDARD DEVIATION         120.3





 STATION - SHIMANTO RIVER AT GUDO                   STATION NO. 080022
 COUNTRY - JAPAN                                    DEPTH(M)       8.0
 LOCATION - OCT. 2  LAT. 32/59/07  LONG. 132/55/42  ELEVATION(M)  10.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-08 TO 1999-12-08

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP     NO3NO2        NH3         O2
                             COND                                        DISS
                            02041      02062      07105      07556      08101
                            us/cm      deg C     mg/L N     mg/L N    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0         33          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36          3         36
 MEAN                         89.       18.8       0.22       0.01       10.1
 MINIMUM                      54.        8.1       0.05       0.01        8.0
 DATE OF MINIMUM       1998-06-26 1998-01-27 1999-12-08 1997-01-08 1998-08-06
 10TH PERCENTILE              76.        9.9       0.08       0.01        8.5
 MEDIAN                       86.       19.6       0.21       0.01        9.7
 90TH PERCENTILE             103.       26.7       0.36       0.01       11.9
 MAXIMUM                     132.       29.5       0.52       0.02       13.1
 DATE OF MAXIMUM       1998-12-03 1998-07-09 1999-11-08 1997-06-19 1997-01-08
 STANDARD DEVIATION           14.        6.2       0.11       0.00        1.4




                              BOD        ALK         pH   SUSP SOL         Na
                                       TOTAL               105 DEG       DISS
                            08201      10102      10301      10401      11105
                          mg/L O2       mg/L   pH UNITS       mg/L    mg/L Na


 NO. OF L-FLAGGED VALUES       18          0          0         24          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       18         36         36         12         36
 MEAN                          1.      28.61        7.6         1.         5.
 MINIMUM                       0.      13.20        6.8         1.         3.
 DATE OF MINIMUM       1997-01-08 1998-06-26 1998-06-26 1997-01-08 1998-06-26
 10TH PERCENTILE               0.      20.76        7.3         1.         3.
 MEDIAN                        0.      28.90        7.6         1.         5.
 90TH PERCENTILE               1.      34.61        7.9         2.         5.
 MAXIMUM                       1.      42.90        8.3        11.         6.
 DATE OF MAXIMUM       1997-04-23 1998-12-03 1997-01-08 1998-06-26 1998-01-27
 STANDARD DEVIATION            0.       6.19        0.3         2.         1.




                               Mg         Si          P    P TOTAL    P TOTAL
                             DISS   REACTIVE      TOTAL       DISS       PART
                            12102      14101      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       36         36         36         36         21
 MEAN                          2.      10.19      0.011      0.006      0.004
 MINIMUM                       1.       7.20      0.003      0.001      0.001
 DATE OF MINIMUM       1998-06-26 1997-03-06 1999-01-18 1998-02-12 1999-02-02
 10TH PERCENTILE               1.       8.18      0.006      0.002      0.001
 MEDIAN                        1.      10.25      0.010      0.006      0.003
 90TH PERCENTILE               2.      11.53      0.017      0.010      0.007
 MAXIMUM                       3.      12.70      0.027      0.018      0.013
 DATE OF MAXIMUM       1998-12-03 1998-10-06 1997-09-24 1997-06-19 1999-06-14
 STANDARD DEVIATION            0.       1.29      0.005      0.003      0.003




                         SULPHATE         Cl          K         Ca       INST
                                        DISS       DISS       DISS     DISCHG
                            16309      17207      19105      20103      97160
                         mg/L SO4    mg/L Cl     mg/L K    mg/L Ca       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         36          6
 MEAN                          8.         4.        0.7      9.939       34.5
 MINIMUM                       4.         2.        0.4      4.900       23.0
 DATE OF MINIMUM       1999-10-08 1998-06-26 1998-09-07 1998-06-26 1997-02-06
 10TH PERCENTILE               5.         3.        0.4      8.000           
 MEDIAN                        7.         4.        0.7      9.450       28.2
 90TH PERCENTILE              10.         5.        0.9     12.300           
 MAXIMUM                      11.         5.        1.0     15.000       66.8
 DATE OF MAXIMUM       1998-05-11 1997-06-19 1998-03-03 1998-12-03 1997-05-20
 STANDARD DEVIATION            2.         1.        0.2      2.003       16.3





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-22 TO 1999-12-02

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP      TRANS   CHLORO A     NO3NO2
                             COND                                            
                            02041      02061      02076      06711      07316
                            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         33          0          0
 NO. OF UNFLAGGED VALUES       36         36          3         33         36
 MEAN                        136.       17.3        1.8     0.0152       0.88
 MINIMUM                      87.        5.0        0.1     0.0008       0.17
 DATE OF MINIMUM       1998-06-04 1999-01-13 1997-11-26 1997-12-11 1999-05-13
 10TH PERCENTILE             102.        7.6        0.3     0.0020       0.60
 MEDIAN                      132.       18.0        0.3     0.0092       0.83
 90TH PERCENTILE             166.       25.0        0.3     0.0294       1.17
 MAXIMUM                     184.       30.2       29.0     0.0722       1.74
 DATE OF MAXIMUM       1998-09-03 1998-08-06 1998-05-22 1998-05-22 1997-11-26
 STANDARD DEVIATION           25.        6.6        6.2     0.0181       0.27




                          AMMONIA         O2        BOD         pH   SUSP SOL
                             DISS       DISS                          105 DEG
                            07564      08102      08201      10301      10401
                           mg/L N    mg/L O2    mg/L O2   pH UNITS       mg/L


 NO. OF L-FLAGGED VALUES        1          0          4          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         36         32         36         36
 MEAN                         0.1        8.7         1.        7.6         9.
 MINIMUM                      0.0        4.6         0.        6.9         2.
 DATE OF MINIMUM       1997-02-05 1998-07-09 1997-05-21 1999-10-07 1998-01-23
 10TH PERCENTILE              0.0        4.8         1.        7.0         3.
 MEDIAN                       0.1        8.6         1.        7.4         6.
 90TH PERCENTILE              0.3       11.7         2.        8.5        11.
 MAXIMUM                      0.5       15.8         3.        9.2        97.
 DATE OF MAXIMUM       1999-02-10 1999-05-13 1998-08-06 1999-05-13 1997-11-26
 STANDARD DEVIATION           0.1        2.6         1.        0.6        16.




                               Na         Mg         Mg          P   SULPHATE
                             DISS       DISS       DISS      TOTAL           
                            11112      12102      12109      15405      16309
                          mg/L Na    mg/L Mg    mg/L Mg     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       36         12         24         36         36
 MEAN                          9.         3.         3.      0.078        12.
 MINIMUM                       4.         1.         1.      0.026         8.
 DATE OF MINIMUM       1997-02-05 1997-06-04 1999-06-09 1998-04-22 1998-06-04
 10TH PERCENTILE               6.         1.         2.      0.037        10.
 MEDIAN                        9.         3.         3.      0.070        12.
 90TH PERCENTILE              12.         4.         3.      0.104        14.
 MAXIMUM                      13.         4.         7.      0.324        17.
 DATE OF MAXIMUM       1999-02-10 1997-03-05 1999-03-12 1997-11-26 1998-10-15
 STANDARD DEVIATION            2.         1.         1.      0.050         2.




                               Cl          K          K         Ca         Ca
                             DISS       DISS       DISS       DISS       DISS
                            17209      19105      19112      20103      20109
                          mg/L Cl     mg/L K     mg/L K    mg/L Ca       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       36         12         24         12         24
 MEAN                          8.        2.9        2.8     11.648     10.858
 MINIMUM                       4.        0.7        1.8      9.138      6.348
 DATE OF MINIMUM       1998-06-04 1997-03-05 1999-06-09 1997-11-26 1999-03-12
 10TH PERCENTILE               5.        1.0        2.0      9.305      7.042
 MEDIAN                        8.        2.5        2.8     11.226     10.813
 90TH PERCENTILE              12.        3.1        3.6     13.551     13.405
 MAXIMUM                      15.        8.3        4.3     15.300     15.357
 DATE OF MAXIMUM       1999-02-10 1997-02-05 1998-06-04 1997-03-05 1998-09-03
 STANDARD DEVIATION            3.        1.8        0.7      1.873      2.363




                         COLIFORM   FAEC COL       INST
                            TOTAL                DISCHG
                            36001      36012      97160
                         No/100ml   No/100ml       m3/S


 NO. OF L-FLAGGED VALUES        0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES        3          3         36
 MEAN                       4767.         4.      103.5
 MINIMUM                                           40.3
 DATE OF MINIMUM                             1999-03-12
 10TH PERCENTILE                                   41.8
 MEDIAN                                            81.4
 90TH PERCENTILE                                  152.8
 MAXIMUM                                          520.3
 DATE OF MAXIMUM                             1997-11-26
 STANDARD DEVIATION                                86.5





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-16 TO 1999-12-15

 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         14
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         22
 MEAN                         99.       17.7     0.0036       0.53        0.1
 MINIMUM                      59.        7.0     0.0001       0.43        0.0
 DATE OF MINIMUM       1998-07-01 1999-01-11 1999-10-06 1999-08-12 1997-01-16
 10TH PERCENTILE              76.        9.6     0.0010       0.46        0.0
 MEDIAN                       98.       18.4     0.0034       0.51        0.0
 90TH PERCENTILE             115.       25.1     0.0060       0.63        0.2
 MAXIMUM                     157.       27.5     0.0170       0.69        0.5
 DATE OF MAXIMUM       1999-02-08 1998-07-01 1999-05-20 1999-02-08 1998-02-04
 STANDARD DEVIATION           17.        5.8     0.0031       0.07        0.1




                              NH3         O2        BOD        COD     OXYGEN
                                        DISS                          TOT COD
                            07556      08101      08201      08301      08305
                           mg/L N    mg/L O2    mg/L O2    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES       30          0         13          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6         36         23          9         12
 MEAN                        0.03        9.4         1.         2.         2.
 MINIMUM                     0.01        6.8         0.         1.         1.
 DATE OF MINIMUM       1998-02-04 1998-09-01 1997-02-19 1999-09-07 1998-02-04
 10TH PERCENTILE             0.01        7.8         0.                    1.
 MEDIAN                      0.01        9.1         1.         1.         1.
 90TH PERCENTILE             0.06       10.8         1.                    3.
 MAXIMUM                     0.29       12.2         2.         6.         4.
 DATE OF MAXIMUM       1997-12-08 1997-01-16 1999-05-20 1999-06-16 1998-04-14
 STANDARD DEVIATION          0.06        1.3         0.         2.         1.




                              ALK         pH   SUSP SOL         Na         Mg
                            TOTAL               105 DEG       DISS       DISS
                            10102      10301      10401      11112      12109
                             mg/L   pH UNITS       mg/L    mg/L Na    mg/L Mg


 NO. OF L-FLAGGED VALUES        0          0          8          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         28         36         36
 MEAN                       41.09        7.8         3.         5.         2.
 MINIMUM                    20.00        7.2         1.         3.         1.
 DATE OF MINIMUM       1997-04-07 1997-04-07 1997-01-16 1998-04-14 1997-04-07
 10TH PERCENTILE            22.46        7.4         1.         4.         1.
 MEDIAN                     33.47        7.8         2.         5.         2.
 90TH PERCENTILE            95.00        8.2         5.         7.         2.
 MAXIMUM                   105.00        8.3        25.         8.         2.
 DATE OF MAXIMUM       1999-02-08 1997-09-01 1998-04-14 1997-01-16 1999-01-11
 STANDARD DEVIATION         23.90        0.3         4.         1.         0.




                               Al         Si          P    P TOTAL   SULPHATE
                             DISS   REACTIVE      TOTAL       DISS           
                            13101      14101      15405      15417      16309
                          mg/L Al   mg/LSiO2     mg/L P     mg/L P   mg/L SO4


 NO. OF L-FLAGGED VALUES       22          0          0          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       14         36         36         35         36
 MEAN                       0.045      17.18      0.023      0.019         6.
 MINIMUM                    0.006       6.10      0.006      0.005         5.
 DATE OF MINIMUM       1997-11-10 1997-02-19 1997-01-16 1997-01-16 1998-04-14
 10TH PERCENTILE            0.019       8.07      0.012      0.007         5.
 MEDIAN                     0.030      14.18      0.023      0.019         6.
 90TH PERCENTILE            0.040      30.14      0.034      0.028         7.
 MAXIMUM                    0.430      41.18      0.058      0.044         8.
 DATE OF MAXIMUM       1998-04-14 1998-09-01 1998-04-14 1998-10-01 1999-01-11
 STANDARD DEVIATION         0.071       8.23      0.010      0.009         1.




                               Cl          K         Ca         Mn         Fe
                             DISS       DISS       DISS       DISS       DISS
                            17209      19112      20109      25190      26109
                          mg/L Cl     mg/L K       mg/L    mg/L Mn    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0          0         34         32
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36          2          4
 MEAN                          4.        1.1     11.470       0.01       0.05
 MINIMUM                       3.        0.5      6.900       0.01       0.05
 DATE OF MINIMUM       1998-05-06 1998-05-06 1998-04-14 1997-01-16 1997-01-16
 10TH PERCENTILE               3.        0.7      8.860       0.01       0.05
 MEDIAN                        4.        1.1     11.550       0.01       0.05
 90TH PERCENTILE               5.        1.3     13.457       0.01       0.05
 MAXIMUM                       9.        1.8     14.400       0.01       0.15
 DATE OF MAXIMUM       1997-01-16 1998-10-01 1999-01-11 1999-12-15 1998-04-14
 STANDARD DEVIATION            1.        0.3      1.814       0.00       0.02




                               Cu         Zn   COLIFORM   FAEC COL         Cd
                             DISS       DISS      TOTAL                  DISS
                            29190      30190      36001      36011      48190
                          mg/L Cu    mg/L Zn   No/100ml   No/100ml    mg/L Cd


 NO. OF L-FLAGGED VALUES       34         33          0          5         34
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          3         36         31          2
 MEAN                       0.020      0.050       625.        45.      0.001
 MINIMUM                    0.020      0.050        23.         0.      0.001
 DATE OF MINIMUM       1997-01-16 1997-01-16 1997-02-19 1999-11-17 1997-01-16
 10TH PERCENTILE            0.020      0.050        33.         2.      0.001
 MEDIAN                     0.020      0.050       335.         8.      0.001
 90TH PERCENTILE            0.020      0.050      1850.        55.      0.001
 MAXIMUM                    0.020      0.060      2700.       920.      0.001
 DATE OF MAXIMUM       1999-12-15 1998-06-02 1997-04-07 1998-04-14 1999-12-15
 STANDARD DEVIATION         0.000      0.002       770.       153.      0.000




                               Pb       INST
                             DISS     DISCHG
                            82190      97160
                          mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES       34          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        2         35
 MEAN                       0.005       77.5
 MINIMUM                    0.005       17.4
 DATE OF MINIMUM       1997-01-16 1999-12-15
 10TH PERCENTILE            0.005       18.8
 MEDIAN                     0.005       54.7
 90TH PERCENTILE            0.005      153.9
 MAXIMUM                    0.005      264.5
 DATE OF MAXIMUM       1999-12-15 1998-04-14
 STANDARD DEVIATION         0.000       60.4





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-08 TO 1999-12-08

 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       36         36         36         36         36
 MEAN                          1.       296.       16.2        0.6    176.333
 MINIMUM                       1.       240.        4.0        0.4    110.000
 DATE OF MINIMUM       1997-01-08 1998-12-09 1999-01-13 1999-12-08 1999-07-07
 10TH PERCENTILE               1.       247.        5.0        0.5    119.600
 MEDIAN                        1.       296.       16.5        0.6    181.000
 90TH PERCENTILE               1.       333.       26.9        0.8    215.200
 MAXIMUM                       1.       343.       29.0        0.9    245.000
 DATE OF MAXIMUM       1999-12-08 1998-02-12 1999-08-11 1998-01-07 1999-10-13
 STANDARD DEVIATION            0.        30.        8.1        0.1     34.158




                         CHLORO A     NO3NO2     ORG. N        NH3     ORG. N
                                                   DISS                  PART
                            06711      07105      07403      07556      07912
                             mg/L     mg/L N     mg/L N     mg/L N     ug/g 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       36         36         36         36         36
 MEAN                      0.1001       0.27        0.3       0.04     30.639
 MINIMUM                   0.0460       0.00        0.2       0.00     18.000
 DATE OF MINIMUM       1998-10-07 1997-08-06 1998-10-07 1997-01-08 1999-07-07
 10TH PERCENTILE           0.0534       0.00        0.2       0.00     20.600
 MEDIAN                    0.0955       0.08        0.4       0.02     32.000
 90TH PERCENTILE           0.1466       0.77        0.4       0.14     37.300
 MAXIMUM                   0.1950       1.90        0.5       0.28     42.000
 DATE OF MAXIMUM       1998-05-13 1998-11-11 1997-03-12 1999-08-11 1999-10-13
 STANDARD DEVIATION        0.0359       0.48        0.1       0.07      6.109




                               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       36         36         34         36         36
 MEAN                        10.2         8.        8.8        28.      29.00
 MINIMUM                      5.7         5.        7.0        15.      15.40
 DATE OF MINIMUM       1999-08-11 1998-11-11 1999-08-11 1998-12-09 1998-10-07
 10TH PERCENTILE              6.9         6.        7.7        18.      20.52
 MEDIAN                      10.4         8.        8.9        26.      27.30
 90TH PERCENTILE             13.2        10.        9.5        39.      37.20
 MAXIMUM                     14.2        11.       10.1        43.      38.70
 DATE OF MAXIMUM       1997-02-12 1997-03-12 1997-07-09 1998-06-10 1998-01-07
 STANDARD DEVIATION           2.3         1.        0.7         8.       6.37




                               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       36         36         36         36         36
 MEAN                          7.        3.7      0.147      0.031      4.189
 MINIMUM                       6.        0.1      0.080      0.010      2.200
 DATE OF MINIMUM       1998-10-07 1997-02-12 1999-02-09 1998-12-09 1997-07-09
 10TH PERCENTILE               6.        0.2      0.092      0.012      3.000
 MEDIAN                        7.        3.3      0.150      0.019      4.200
 90TH PERCENTILE               8.        7.5      0.193      0.076      5.100
 MAXIMUM                       9.       10.1      0.216      0.097      6.700
 DATE OF MAXIMUM       1998-01-07 1998-08-12 1998-05-13 1997-07-09 1999-01-13
 STANDARD DEVIATION            1.        3.0      0.036      0.026      0.872




                                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       36         36
 MEAN                         5.5     17.822
 MINIMUM                      4.0     14.300
 DATE OF MINIMUM       1999-03-10 1998-10-07
 10TH PERCENTILE              4.6     15.760
 MEDIAN                       5.0     17.800
 90TH PERCENTILE              6.3     19.790
 MAXIMUM                      7.0     20.300
 DATE OF MAXIMUM       1997-11-12 1998-01-07
 STANDARD DEVIATION           0.8      1.457





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-08 TO 1999-12-08

 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       36         36         36         36         36
 MEAN                          1.       355.       15.8        0.8    182.833
 MINIMUM                       1.       292.        4.0        0.6    104.000
 DATE OF MINIMUM       1997-01-08 1997-01-08 1999-01-13 1999-04-07 1997-07-09
 10TH PERCENTILE               1.       309.        4.8        0.6    118.800
 MEDIAN                        1.       356.       16.4        0.9    185.500
 90TH PERCENTILE               1.       405.       26.3        1.0    236.400
 MAXIMUM                       1.       426.       28.3        1.1    267.000
 DATE OF MAXIMUM       1999-12-08 1998-09-09 1999-08-11 1999-05-12 1998-04-08
 STANDARD DEVIATION            0.        36.        7.8        0.1     42.394




                         CHLORO A     NO3NO2     ORG. N        NH3     ORG. N
                                                   DISS                  PART
                            06711      07105      07403      07556      07912
                             mg/L     mg/L N     mg/L N     mg/L N     ug/g N


 NO. OF L-FLAGGED VALUES        0          3          0          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         33         36         35         36
 MEAN                      0.0579       0.10        0.3       0.02     29.667
 MINIMUM                   0.0230       0.00        0.2       0.00     16.000
 DATE OF MINIMUM       1999-05-12 1997-01-08 1999-06-09 1997-01-08 1997-07-09
 10TH PERCENTILE           0.0364       0.00        0.3       0.00     19.800
 MEDIAN                    0.0575       0.00        0.4       0.01     31.000
 90TH PERCENTILE           0.0753       0.38        0.4       0.05     38.000
 MAXIMUM                   0.1000       0.87        0.5       0.16     45.000
 DATE OF MAXIMUM       1998-05-13 1998-10-07 1998-07-08 1997-08-06 1998-08-12
 STANDARD DEVIATION        0.0176       0.24        0.1       0.04      6.757




                               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       36         36         34         36         36
 MEAN                        10.0         7.        8.4        19.      37.52
 MINIMUM                      6.2         5.        7.4        11.      26.60
 DATE OF MINIMUM       1997-07-09 1998-12-09 1999-08-11 1998-12-09 1998-10-07
 10TH PERCENTILE              7.0         6.        7.8        13.      28.94
 MEDIAN                      10.0         7.        8.4        18.      38.50
 90TH PERCENTILE             12.6         8.        9.0        26.      45.66
 MAXIMUM                     15.4         9.        9.1        38.      47.50
 DATE OF MAXIMUM       1999-02-09 1998-03-12 1998-04-08 1997-07-09 1998-01-07
 STANDARD DEVIATION           2.2         1.        0.4         6.       6.53




                               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       36         36         36         36         36
 MEAN                          9.        3.2      0.103      0.024      4.186
 MINIMUM                       7.        0.0      0.058      0.009      2.200
 DATE OF MINIMUM       1998-10-07 1998-04-08 1999-02-09 1998-12-09 1997-07-09
 10TH PERCENTILE               8.        0.1      0.074      0.011      3.120
 MEDIAN                        9.        2.0      0.100      0.015      4.300
 90TH PERCENTILE              10.        7.8      0.148      0.057      5.260
 MAXIMUM                      10.        9.9      0.154      0.076      5.900
 DATE OF MAXIMUM       1998-02-12 1998-09-09 1998-09-09 1998-08-12 1997-01-08
 STANDARD DEVIATION            1.        3.2      0.025      0.019      0.824




                                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       36         36
 MEAN                         6.1     19.250
 MINIMUM                      5.0     16.600
 DATE OF MINIMUM       1999-01-13 1998-10-07
 10TH PERCENTILE              5.0     17.660
 MEDIAN                       6.0     19.250
 90TH PERCENTILE              7.0     20.800
 MAXIMUM                      7.0     21.500
 DATE OF MAXIMUM       1998-02-12 1998-02-12
 STANDARD DEVIATION           0.6      1.261





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-08 TO 1999-12-08

 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       36         36         36         36         36
 MEAN                          1.       392.       15.6        0.7    165.806
 MINIMUM                       1.       315.        3.5        0.5     98.000
 DATE OF MINIMUM       1997-01-08 1998-12-09 1999-01-13 1998-09-09 1999-07-07
 10TH PERCENTILE               1.       327.        5.0        0.6    108.600
 MEDIAN                        1.       394.       16.2        0.7    157.500
 90TH PERCENTILE               1.       434.       25.6        0.9    222.700
 MAXIMUM                       1.       511.       28.3        1.0    267.000
 DATE OF MAXIMUM       1999-12-08 1999-11-10 1999-08-11 1998-01-07 1998-07-08
 STANDARD DEVIATION            0.        44.        7.7        0.1     42.432




                         CHLORO A     NO3NO2     ORG. N        NH3     ORG. N
                                                   DISS                  PART
                            06711      07105      07403      07556      07912
                             mg/L     mg/L N     mg/L N     mg/L N     ug/g N


 NO. OF L-FLAGGED VALUES        0          2          0          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         34         36         35         36
 MEAN                      0.0570       0.08        0.4       0.01     26.889
 MINIMUM                   0.0260       0.00        0.2       0.00     15.000
 DATE OF MINIMUM       1999-10-13 1997-01-08 1999-04-07 1997-01-08 1999-12-08
 10TH PERCENTILE           0.0348       0.00        0.3       0.00     16.600
 MEDIAN                    0.0530       0.00        0.4       0.00     26.000
 90TH PERCENTILE           0.0773       0.32        0.4       0.02     36.300
 MAXIMUM                   0.1020       0.67        0.8       0.03     48.000
 DATE OF MAXIMUM       1998-05-13 1998-11-11 1997-08-06 1998-10-07 1998-07-08
 STANDARD DEVIATION        0.0167       0.18        0.1       0.01      7.517




                               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       36         36         34         36         36
 MEAN                         9.8         7.        8.4        23.      43.93
 MINIMUM                      5.2         5.        7.5        10.      31.60
 DATE OF MINIMUM       1998-07-08 1998-12-09 1999-06-09 1998-07-08 1999-05-12
 10TH PERCENTILE              6.9         6.        7.9        15.      33.46
 MEDIAN                       9.8         7.        8.4        22.      43.00
 90TH PERCENTILE             12.6         8.        8.8        32.      53.71
 MAXIMUM                     14.4         9.        9.2        38.      67.70
 DATE OF MAXIMUM       1999-02-09 1998-03-12 1998-04-08 1997-07-09 1998-01-07
 STANDARD DEVIATION           2.4         1.        0.4         7.       8.67




                               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       36         36         36         36         36
 MEAN                         10.        3.4      0.105      0.021      3.819
 MINIMUM                       8.        0.1      0.058      0.009      2.300
 DATE OF MINIMUM       1999-05-12 1997-03-12 1999-06-09 1998-11-11 1999-06-09
 10TH PERCENTILE               8.        0.2      0.076      0.009      2.560
 MEDIAN                       10.        2.5      0.106      0.015      3.700
 90TH PERCENTILE              11.        7.5      0.133      0.040      4.990
 MAXIMUM                      13.        9.4      0.163      0.066      6.500
 DATE OF MAXIMUM       1998-01-07 1998-09-09 1999-01-13 1998-08-12 1999-01-13
 STANDARD DEVIATION            1.        3.0      0.023      0.014      1.034




                                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       36         36
 MEAN                         6.5     19.869
 MINIMUM                      5.0     17.500
 DATE OF MINIMUM       1999-03-10 1999-05-12
 10TH PERCENTILE              5.6     17.860
 MEDIAN                       6.0     19.850
 90TH PERCENTILE              8.0     21.430
 MAXIMUM                      8.0     23.000
 DATE OF MAXIMUM       1998-01-07 1998-01-07
 STANDARD DEVIATION           0.8      1.400






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GEMS/WATER
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Last updated: 2001-07-30