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STATISTICS for JAPAN

STATISTICS FOR JAPAN


GEMS/WATER - STATISTICAL SUMMARY BY STATION     2002-02-18   PAGE 348

 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  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-01-07 TO 1987-12-28

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP    PHENOLS         CN     NO3NO2
                             COND                                            
                            02041      02061      06532      06606      07105
                            us/cm      deg C       mg/L    mg/L Cn     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          4         19          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES      155        154          0          0         12
 MEAN                        147.        8.0      0.005      0.010       0.15
 MINIMUM                      59.        0.7      0.005      0.010       0.07
 DATE OF MINIMUM       1987-05-18 1986-12-17 1985-01-16 1985-01-16 1985-02-13
 10TH PERCENTILE              72.        1.9                 0.010       0.07
 MEDIAN                      149.        6.0      0.005      0.010       0.12
 90TH PERCENTILE             208.       17.4                 0.010       0.21
 MAXIMUM                     258.       20.6      0.005      0.010       0.34
 DATE OF MAXIMUM       1985-01-21 1986-08-18 1985-10-07 1987-10-22 1985-04-08
 STANDARD DEVIATION           48.        6.0      0.000      0.000       0.08




                            NO2-N      NO3-N        NH3        NH3         O2
                                                                         DISS
                            07207      07313      07554      07556      08101
                           mg/L N     mg/L N     mg/L N     mg/L N    mg/L O2


 NO. OF L-FLAGGED VALUES        2          0         38        115          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       30         32          1          0         44
 MEAN                        0.00       0.15       0.04       0.04       11.8
 MINIMUM                     0.00       0.07       0.00       0.04        8.7
 DATE OF MINIMUM       1986-05-12 1986-07-09 1985-01-16 1985-10-07 1987-07-15
 10TH PERCENTILE             0.00       0.08       0.04       0.04        9.3
 MEDIAN                      0.00       0.13       0.04       0.04       12.0
 90TH PERCENTILE             0.00       0.22       0.04       0.04       13.4
 MAXIMUM                     0.00       0.51       0.04       0.04       14.2
 DATE OF MAXIMUM       1987-04-16 1987-04-16 1985-01-21 1987-12-28 1986-04-17
 STANDARD DEVIATION          0.00       0.09       0.01       0.00        1.5




                              BOD     PERM V          F        ALK        ALK
                                                   DISS      TOTAL      TOTAL
                            08201      08401      09104      10102      10120
                          mg/L O2    mg/L O2     mg/L F       mg/L      MEQ/L


 NO. OF L-FLAGGED VALUES        1          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       43         52         20        102         52
 MEAN                          1.         4.        0.1      18.26       0.36
 MINIMUM                       0.         2.        0.0       9.00       0.20
 DATE OF MINIMUM       1985-08-14 1985-02-04 1986-10-22 1986-06-02 1985-05-15
 10TH PERCENTILE               1.         3.        0.0      11.00       0.22
 MEDIAN                        1.         4.        0.1      19.00       0.37
 90TH PERCENTILE               2.         6.        0.1      23.00       0.46
 MAXIMUM                       4.        17.        0.1      27.00       0.48
 DATE OF MAXIMUM       1987-07-15 1985-09-02 1986-01-06 1987-10-05 1985-09-30
 STANDARD DEVIATION            1.         2.        0.0       4.23       0.08




                               pH   SUSP SOL       TENS         Si    P ORTHO
                                     105 DEG    ANIONIC   REACTIVE      TOTAL
                            10302      10401      10702      14101      15205
                         pH UNITS       mg/L       mg/L   mg/LSiO2     mg/L P


 NO. OF L-FLAGGED VALUES        0          3          3          1         19
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES      155         32          1          3         25
 MEAN                         7.0         4.        0.0      12.75      0.015
 MINIMUM                      6.8         1.        0.0       0.01      0.010
 DATE OF MINIMUM       1985-09-02 1985-03-11 1985-01-16 1985-07-10 1985-01-16
 10TH PERCENTILE              6.9         1.                            0.010
 MEDIAN                       7.0         3.        0.0      16.00      0.010
 90TH PERCENTILE              7.2         8.                            0.030
 MAXIMUM                      7.3        21.        0.0      19.00      0.050
 DATE OF MAXIMUM       1986-09-08 1985-09-09 1985-10-07 1985-01-16 1987-10-12
 STANDARD DEVIATION           0.1         4.        0.0       8.65      0.010




                         SULPHATE         Cl         Cr         Cr         Mn
                                        DISS      TOTAL        HEX      TOTAL
                            16306      17204      24002      24101      25004
                         mg/L SO4    mg/L Cl    mg/L Cr    mg/L Cr    mg/L Mn


 NO. OF L-FLAGGED VALUES        0          0         20          4          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       20         59          0          0        100
 MEAN                         19.        21.      0.010      0.010       0.08
 MINIMUM                       9.         6.      0.010      0.010       0.02
 DATE OF MINIMUM       1987-04-22 1987-06-10 1985-01-16 1985-01-16 1986-06-23
 10TH PERCENTILE              13.         9.      0.010                  0.03
 MEDIAN                       20.        22.      0.010      0.010       0.04
 90TH PERCENTILE              24.        34.      0.010                  0.07
 MAXIMUM                      33.        41.      0.010      0.010       3.37
 DATE OF MAXIMUM       1985-04-08 1985-01-16 1987-10-22 1985-10-07 1987-04-22
 STANDARD DEVIATION            5.         9.      0.000      0.000       0.33




                               Mn         Mn         Fe         Cu         Zn
                             DISS       DISS      TOTAL      TOTAL      TOTAL
                            25101      25104      26002      29006      30004
                          mg/L Mn    mg/L Mn    mg/L Fe    mg/L Cu    mg/L Zn


 NO. OF L-FLAGGED VALUES        0          0          0         19          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39        102        138          1         19
 MEAN                        0.05       0.03       0.39      0.010      0.017
 MINIMUM                     0.02       0.01       0.02      0.002      0.007
 DATE OF MINIMUM       1985-06-03 1986-08-25 1986-09-01 1985-01-16 1986-07-16
 10TH PERCENTILE             0.03       0.02       0.13      0.010      0.008
 MEDIAN                      0.04       0.03       0.20      0.010      0.014
 90TH PERCENTILE             0.09       0.05       0.51      0.010      0.026
 MAXIMUM                     0.18       0.11      13.00      0.010      0.066
 DATE OF MAXIMUM       1985-02-13 1986-08-04 1987-04-22 1987-10-22 1987-04-22
 STANDARD DEVIATION          0.03       0.01       1.12      0.002      0.014




                               As   COLIFORM   FAEC COL         Cd         Ba
                            TOTAL      TOTAL                 TOTAL      TOTAL
                            33003      36001      36011      48002      80011
                          mg/L As   No/100ml   No/100ml    mg/L Cd    ug/L Hg


 NO. OF L-FLAGGED VALUES        1          1          0         20         20
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       18        101         36          0          0
 MEAN                       0.015      1884.       458.      0.005      0.500
 MINIMUM                    0.005        33.         5.      0.005      0.500
 DATE OF MINIMUM       1987-07-15 1986-02-18 1986-03-10 1985-01-16 1985-01-16
 10TH PERCENTILE            0.006       230.        37.      0.005      0.500
 MEDIAN                     0.015       790.       170.      0.005      0.500
 90TH PERCENTILE            0.022      3300.      1300.      0.005      0.500
 MAXIMUM                    0.040     28000.      3300.      0.005      0.500
 DATE OF MAXIMUM       1987-10-12 1986-08-04 1987-08-12 1987-10-22 1987-10-22
 STANDARD DEVIATION         0.008      3740.       700.      0.000      0.000




                               Pb       INST
                            TOTAL     DISCHG
                            82002      97160
                          mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES       19          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        1        155
 MEAN                       0.010       24.9
 MINIMUM                    0.010        5.1
 DATE OF MINIMUM       1985-01-16 1985-01-21
 10TH PERCENTILE            0.010        7.9
 MEDIAN                     0.010       13.2
 90TH PERCENTILE            0.010       69.6
 MAXIMUM                    0.010      187.0
 DATE OF MAXIMUM       1987-10-22 1987-04-22
 STANDARD DEVIATION         0.000       28.5





 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  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-01-28 TO 1987-12-24

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                            INTEG       ELEC       TEMP    PHENOLS         CN
                           SAMPLE       COND                                 
                            00190      02041      02061      06532      06606
                              N/A      us/cm      deg C       mg/L    mg/L Cn


 NO. OF L-FLAGGED VALUES        0          0          0          3          6
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12         35         36          0          0
 MEAN                          1.       114.       16.2      0.005      0.010
 MINIMUM                       1.       110.       15.8                 0.010
 DATE OF MINIMUM       1985-01-28 1985-02-18 1985-12-17            1985-03-07
 10TH PERCENTILE               1.       111.       15.8                      
 MEDIAN                        1.       114.       16.2                 0.010
 90TH PERCENTILE               1.       118.       16.4                      
 MAXIMUM                       1.       120.       17.1                 0.010
 DATE OF MAXIMUM       1985-12-17 1985-10-07 1985-02-18            1987-09-07
 STANDARD DEVIATION            0.         2.        0.3                 0.000




                           NO3NO2      NO2-N      NO3-N        NH3         O2
                                                                         DISS
                            07105      07207      07313      07551      08101
                           mg/L N     mg/L N     mg/L N     mg/L N    mg/L O2


 NO. OF L-FLAGGED VALUES        0         22          0         36          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       14          0         22          0         36
 MEAN                        0.42       0.01       0.52       0.02        6.0
 MINIMUM                     0.23       0.01       0.33       0.02        4.3
 DATE OF MINIMUM       1985-10-07 1986-03-18 1986-10-08 1985-01-28 1985-03-07
 10TH PERCENTILE             0.25       0.01       0.34       0.02        5.0
 MEDIAN                      0.45       0.01       0.53       0.02        6.2
 90TH PERCENTILE             0.50       0.01       0.59       0.02        6.6
 MAXIMUM                     0.58       0.01       0.64       0.02        6.9
 DATE OF MAXIMUM       1985-12-17 1987-12-24 1987-12-24 1987-12-24 1987-12-24
 STANDARD DEVIATION          0.09       0.00       0.08       0.00        0.6




                           PERM V          F        ALK        ALK         pH
                                        DISS      TOTAL      TOTAL           
                            08401      09110      10102      10120      10301
                          mg/L O2     mg/L F       mg/L      MEQ/L   pH UNITS


 NO. OF L-FLAGGED VALUES        8         26          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6          9         22         14         35
 MEAN                          0.        0.1      50.73       1.03        7.4
 MINIMUM                       0.        0.0      48.70       0.96        7.3
 DATE OF MINIMUM       1985-01-28 1986-08-21 1987-12-24 1985-06-05 1986-05-12
 10TH PERCENTILE               0.        0.1      49.22       0.98        7.4
 MEDIAN                        0.        0.1      50.50       1.01        7.4
 90TH PERCENTILE               0.        0.1      52.10       1.09        7.5
 MAXIMUM                       1.        0.1      54.00       1.16        7.5
 DATE OF MAXIMUM       1985-03-07 1986-09-29 1986-10-08 1985-10-07 1985-06-05
 STANDARD DEVIATION            0.        0.0       1.19       0.05        0.1




                               pH       TENS         Na         Na         Mg
                                     ANIONIC       DISS       DISS       DISS
                            10302      10702      11103      11105      12103
                         pH UNITS       mg/L    mg/L Na    mg/L Na    mg/L Mg


 NO. OF L-FLAGGED VALUES        0          3          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          0         17          4         36
 MEAN                         7.4        0.2        10.        10.         3.
 MINIMUM                                            10.        10.         2.
 DATE OF MINIMUM                             1986-06-25 1987-10-21 1987-06-22
 10TH PERCENTILE                                    10.                    2.
 MEDIAN                                             10.        10.         3.
 90TH PERCENTILE                                    11.                    3.
 MAXIMUM                                            12.        11.         3.
 DATE OF MAXIMUM                             1986-11-05 1987-12-24 1985-02-18
 STANDARD DEVIATION                                  0.         1.         0.




                               Cl       PCBS          K          K         Ca
                             DISS                  DISS       DISS       DISS
                            17204      18165      19103      19105      20101
                          mg/L Cl       ug/L     mg/L K     mg/L K    mg/L Ca


 NO. OF L-FLAGGED VALUES        0          6          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          0         17          4         36
 MEAN                          4.      0.425        0.9        0.9      9.614
 MINIMUM                       2.      0.050        0.8        0.9      8.800
 DATE OF MINIMUM       1985-04-10 1987-03-30 1986-11-05 1987-12-24 1986-11-05
 10TH PERCENTILE               3.                   0.9                 9.160
 MEDIAN                        4.      0.500        0.9        0.9      9.550
 90TH PERCENTILE               5.                   1.0                10.100
 MAXIMUM                       6.      0.500        1.1        1.0     10.800
 DATE OF MAXIMUM       1986-06-25 1986-12-22 1986-10-08 1987-11-05 1987-06-22
 STANDARD DEVIATION            1.      0.184        0.1        0.1      0.438




                               Cr         Mn         Fe         Cu         Zn
                              HEX      TOTAL      TOTAL      TOTAL      TOTAL
                            24101      25004      26002      29006      30004
                          mg/L Cr    mg/L Mn    mg/L Fe    mg/L Cu    mg/L Zn


 NO. OF L-FLAGGED VALUES        3         36         31         11         11
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          5          0          0
 MEAN                       0.020       0.01       0.01      0.010      0.005
 MINIMUM                                0.01       0.01      0.010      0.005
 DATE OF MINIMUM                  1985-01-28 1985-01-28 1985-03-07 1985-03-07
 10TH PERCENTILE                        0.01       0.01      0.010      0.005
 MEDIAN                                 0.01       0.01      0.010      0.005
 90TH PERCENTILE                        0.01       0.01      0.010      0.005
 MAXIMUM                                0.01       0.02      0.010      0.005
 DATE OF MAXIMUM                  1987-12-24 1987-02-16 1987-12-24 1987-12-24
 STANDARD DEVIATION                     0.00       0.00      0.000      0.000




                               As         Se   FAEC COL         Cd         Ba
                            TOTAL      TOTAL                 TOTAL      TOTAL
                            33003      34002      36011      48002      80011
                          mg/L As    mg/L Se   No/100ml    mg/L Cd    ug/L Hg


 NO. OF L-FLAGGED VALUES        6          2          0         13         11
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0         36          0          1
 MEAN                       0.005      0.002         0.      0.005      0.500
 MINIMUM                    0.005                    0.      0.005      0.500
 DATE OF MINIMUM       1985-03-07            1985-01-28 1985-03-07 1985-03-07
 10TH PERCENTILE                                     0.      0.005      0.500
 MEDIAN                     0.005                    0.      0.005      0.500
 90TH PERCENTILE                                     0.      0.005      0.500
 MAXIMUM                    0.005                    0.      0.005      0.500
 DATE OF MAXIMUM       1987-09-07            1987-12-24 1987-12-24 1987-12-24
 STANDARD DEVIATION         0.000                    0.      0.000      0.000




                               Pb       INST
                            TOTAL     DISCHG
                            82002      97160
                          mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES       13          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        0         36
 MEAN                       0.010        0.0
 MINIMUM                    0.010        0.0
 DATE OF MINIMUM       1985-03-07 1986-07-08
 10TH PERCENTILE            0.010        0.0
 MEDIAN                     0.010        0.0
 90TH PERCENTILE            0.010        0.0
 MAXIMUM                    0.010        0.0
 DATE OF MAXIMUM       1987-12-24 1986-06-25
 STANDARD DEVIATION         0.000        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  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-01-17 TO 1987-12-08

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP    PHENOLS         CN     N KJEL
                             COND                                            
                            02041      02061      06532      06606      07001
                            us/cm      deg C       mg/L    mg/L Cn     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          9         10          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36          0          0         36
 MEAN                        222.       13.5      0.005      0.006        2.4
 MINIMUM                       7.        3.5      0.005      0.005        1.1
 DATE OF MINIMUM       1985-06-18 1985-01-17 1985-01-17 1985-12-10 1986-06-17
 10TH PERCENTILE             150.        4.4                 0.005        1.4
 MEDIAN                      237.       13.5      0.005      0.005        2.5
 90TH PERCENTILE             274.       22.1                 0.010        3.2
 MAXIMUM                     301.       26.6      0.005      0.010        3.8
 DATE OF MAXIMUM       1987-11-18 1987-07-14 1985-09-18 1985-08-20 1986-09-16
 STANDARD DEVIATION           58.        7.0      0.000      0.002        0.7




                           NO3NO2      NO2-N      NO3-N        NH3        NH3
                                                                             
                            07105      07207      07313      07551      07556
                           mg/L N     mg/L N     mg/L N     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          2          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        9         12         12         22         12
 MEAN                        1.81       0.05       1.81       0.19       0.22
 MINIMUM                     1.32       0.03       0.96       0.02       0.05
 DATE OF MINIMUM       1985-08-20 1987-02-17 1987-06-16 1985-07-16 1987-09-16
 10TH PERCENTILE                        0.03       1.03       0.02       0.06
 MEDIAN                      1.75       0.05       1.65       0.13       0.23
 90TH PERCENTILE                        0.07       2.44       0.39       0.36
 MAXIMUM                     2.53       0.08       2.80       0.50       0.41
 DATE OF MAXIMUM       1985-07-16 1987-12-08 1986-08-19 1985-02-19 1987-02-17
 STANDARD DEVIATION          0.38       0.01       0.54       0.15       0.11




                               O2        BOD     PERM V          F          F
                             DISS                             DISS       DISS
                            08101      08201      08401      09104      09105
                          mg/L O2    mg/L O2    mg/L O2     mg/L F     mg/L F


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         34          8          4          1
 MEAN                         9.9         1.         1.        0.1        0.2
 MINIMUM                      7.2         1.         1.        0.1           
 DATE OF MINIMUM       1986-08-19 1985-09-18 1985-08-20 1987-06-16           
 10TH PERCENTILE              7.8         1.                                 
 MEDIAN                       9.6         1.         1.        0.1           
 90TH PERCENTILE             12.1         2.                                 
 MAXIMUM                     12.7         3.         2.        0.2           
 DATE OF MAXIMUM       1986-02-18 1986-02-18 1985-04-16 1987-02-17           
 STANDARD DEVIATION           1.7         0.         0.        0.0           






                                F        ALK        ALK         pH         pH
                             DISS      TOTAL      TOTAL                      
                            09110      10102      10120      10300      10302
                           mg/L F       mg/L      MEQ/L   pH UNITS   pH UNITS


 NO. OF L-FLAGGED VALUES        1          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1         27          9         23         12
 MEAN                         0.1      30.07       0.55        7.1        7.1
 MINIMUM                               17.50       0.33        6.9        6.9
 DATE OF MINIMUM                  1986-06-17 1985-05-21 1985-05-21 1987-05-19
 10TH PERCENTILE                       18.00                   6.9        6.9
 MEDIAN                                29.00       0.52        7.1        7.1
 90TH PERCENTILE                       39.65                   7.3        7.3
 MAXIMUM                               41.50       0.80        7.3        7.4
 DATE OF MAXIMUM                  1987-08-18 1985-09-18 1986-10-14 1987-07-14
 STANDARD DEVIATION                     7.36       0.13        0.1        0.1




                         SUSP SOL       TENS    P ORTHO    P ORTHO   SULPHATE
                          105 DEG    ANIONIC      TOTAL       DISS           
                            10401      10702      15205      15255      16302
                             mg/L       mg/L     mg/L P     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          7         27          9          3
 MEAN                          9.        0.0      0.035      0.028        40.
 MINIMUM                       2.        0.0      0.013      0.007           
 DATE OF MINIMUM       1985-10-16 1985-08-20 1986-05-20 1985-05-21           
 10TH PERCENTILE               3.                 0.018                      
 MEDIAN                        6.        0.0      0.036      0.023           
 90TH PERCENTILE              15.                 0.049                      
 MAXIMUM                      86.        0.1      0.062      0.062           
 DATE OF MAXIMUM       1986-08-19 1985-04-16 1987-07-14 1985-01-17           
 STANDARD DEVIATION           14.        0.0      0.012      0.016           




                         SULPHATE   SULPHATE         Cl         Cr         Cr
                                                   DISS      TOTAL        HEX
                            16304      16306      17204      24002      24101
                         mg/L SO4   mg/L SO4    mg/L Cl    mg/L Cr    mg/L Cr


 NO. OF L-FLAGGED VALUES        0          0          0          7          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          4         36          0          0
 MEAN                         41.        39.        17.      0.003      0.003
 MINIMUM                                 28.         9.      0.003           
 DATE OF MINIMUM                  1987-06-16 1986-05-20 1985-12-10           
 10TH PERCENTILE                                    11.                      
 MEDIAN                                  39.        18.      0.003           
 90TH PERCENTILE                                    22.                      
 MAXIMUM                                 49.        25.      0.003           
 DATE OF MAXIMUM                  1987-12-08 1987-12-08 1987-12-08           
 STANDARD DEVIATION                      11.         4.      0.000           




                               Mn         Mn         Fe         Fe         Fe
                            TOTAL       DISS      TOTAL      TOTAL       DISS
                            25004      25104      26002      26004      26104
                          mg/L Mn    mg/L Mn    mg/L Fe    mg/L Fe    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          8         12         24          9
 MEAN                        0.06       0.04       0.28       0.35       0.02
 MINIMUM                     0.02       0.00       0.16       0.02       0.01
 DATE OF MINIMUM       1985-06-18 1986-08-19 1987-04-14 1985-06-18 1986-08-19
 10TH PERCENTILE             0.03                  0.16       0.02           
 MEDIAN                      0.06       0.04       0.28       0.23       0.02
 90TH PERCENTILE             0.08                  0.36       0.58           
 MAXIMUM                     0.22       0.07       0.37       2.30       0.03
 DATE OF MAXIMUM       1985-10-16 1987-02-17 1987-09-16 1986-08-19 1987-06-16
 STANDARD DEVIATION          0.04       0.03       0.07       0.47       0.01




                               Cu         Zn         As         As         As
                            TOTAL      TOTAL      TOTAL      TOTAL       DISS
                            29006      30004      33003      33007      33104
                          mg/L Cu    mg/L Zn    mg/L As    mg/L As    mg/L As


 NO. OF L-FLAGGED VALUES       10          1          7          1          2
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          9          0          0          0
 MEAN                       0.010      0.010      0.003      0.001      0.001
 MINIMUM                    0.010      0.005      0.001                      
 DATE OF MINIMUM       1985-02-19 1985-08-20 1987-02-17                      
 10TH PERCENTILE            0.010      0.005                                 
 MEDIAN                     0.010      0.008      0.001                      
 90TH PERCENTILE            0.010      0.010                                 
 MAXIMUM                    0.010      0.032      0.005                      
 DATE OF MAXIMUM       1987-12-08 1986-02-18 1985-08-20                      
 STANDARD DEVIATION         0.000      0.008      0.002                      




                         COLIFORM   FAEC COL         Cd         Cd         Ba
                            TOTAL                 TOTAL      TOTAL      TOTAL
                            36001      36011      48001      48002      80011
                         No/100ml   No/100ml    mg/L Cd    mg/L Cd    ug/L Hg


 NO. OF L-FLAGGED VALUES        0          0          6          4         10
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       27         36          0          0          0
 MEAN                      13148.      2197.      0.005      0.005      0.950
 MINIMUM                    1100.        22.      0.005      0.005      0.500
 DATE OF MINIMUM       1987-03-17 1985-12-10 1985-02-19 1987-02-17 1985-02-19
 10TH PERCENTILE            1930.        50.                            0.500
 MEDIAN                     4900.       745.      0.005      0.005      0.500
 90TH PERCENTILE           33000.      3360.                            0.500
 MAXIMUM                   92000.     33003.      0.005      0.005      5.000
 DATE OF MAXIMUM       1985-10-16 1987-02-17 1986-12-09 1987-12-08 1985-06-18
 STANDARD DEVIATION        18672.      5532.      0.000      0.000      1.423




                               Pb         Pb       INST
                            TOTAL      TOTAL     DISCHG
                            82001      82002      97160
                          mg/L Pb    mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES        6          4          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES        0          0         36
 MEAN                       0.010      0.010      169.6
 MINIMUM                    0.010      0.010       81.0
 DATE OF MINIMUM       1985-02-19 1987-02-17 1985-01-17
 10TH PERCENTILE                                   95.8
 MEDIAN                     0.010      0.010      155.0
 90TH PERCENTILE                                  280.6
 MAXIMUM                    0.010      0.010      350.0
 DATE OF MAXIMUM       1986-12-09 1987-12-08 1986-08-19
 STANDARD DEVIATION         0.000      0.000       72.8





 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  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-02-04 TO 1987-11-04

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP    PHENOLS         CN     NO3NO2
                             COND                                            
                            02041      02061      06532      06606      07105
                            us/cm      deg C       mg/L    mg/L Cn     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          3         10          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12         12          0          0          3
 MEAN                        254.       15.6      0.005      0.006       8.53
 MINIMUM                     244.       15.1                 0.005           
 DATE OF MINIMUM       1985-08-05 1987-05-06            1985-11-06           
 10TH PERCENTILE             245.       15.1                 0.005           
 MEDIAN                      254.       15.6                 0.005           
 90TH PERCENTILE             262.       16.0                 0.010           
 MAXIMUM                     266.       16.2                 0.010           
 DATE OF MAXIMUM       1987-08-05 1987-11-04            1985-08-05           
 STANDARD DEVIATION            7.        0.4                 0.002           




                            NO3-N        NH3        NH3         O2        BOD
                                                              DISS           
                            07313      07551      07556      08101      08201
                           mg/L N     mg/L N     mg/L N    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          8          2          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        9          0          2         11          3
 MEAN                        8.92       0.02       0.01        8.3         1.
 MINIMUM                     8.60       0.02       0.00        7.1           
 DATE OF MINIMUM       1986-02-03 1985-02-04 1987-02-04 1987-11-04           
 10TH PERCENTILE                                               7.1           
 MEDIAN                      8.70       0.02       0.01        8.1           
 90TH PERCENTILE                                               8.7           
 MAXIMUM                    10.00       0.02       0.02       10.9           
 DATE OF MAXIMUM       1987-02-04 1986-11-05 1987-11-04 1987-05-06           
 STANDARD DEVIATION          0.46       0.00       0.01        1.0           




                           PERM V          F          F        ALK        ALK
                                        DISS       DISS      TOTAL      TOTAL
                            08401      09104      09110      10102      10120
                          mg/L O2     mg/L F     mg/L F       mg/L      MEQ/L


 NO. OF L-FLAGGED VALUES        0          6          2          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3          2          0          9          3
 MEAN                          0.        0.0        0.0      43.11       0.89
 MINIMUM                                 0.0                 42.00           
 DATE OF MINIMUM                  1985-02-04            1987-02-04           
 10TH PERCENTILE                                                             
 MEDIAN                                  0.0                 43.00           
 90TH PERCENTILE                                                             
 MAXIMUM                                 0.1                 44.50           
 DATE OF MAXIMUM                  1985-11-06            1986-08-04           
 STANDARD DEVIATION                      0.0                  0.82           




                               pH         pH       TENS         Mg         Mg
                                                ANIONIC      TOTAL       DISS
                            10300      10302      10702      12003      12103
                         pH UNITS   pH UNITS       mg/L    mg/L Mg    mg/L Mg


 NO. OF L-FLAGGED VALUES        0          0          1          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        8          4          2          3          9
 MEAN                         6.1        6.1        0.0        11.        10.
 MINIMUM                      6.1        6.0                              10.
 DATE OF MINIMUM       1985-02-04 1987-08-05                       1985-11-06
 10TH PERCENTILE                                                             
 MEDIAN                       6.1        6.1                              10.
 90TH PERCENTILE                                                             
 MAXIMUM                      6.1        6.1                              12.
 DATE OF MAXIMUM       1986-11-05 1987-05-06                       1986-02-03
 STANDARD DEVIATION           0.0        0.0                               1.




                               Si    P ORTHO   SULPHATE   SULPHATE         Cl
                         REACTIVE      TOTAL                             DISS
                            14101      15205      16302      16306      17204
                         mg/LSiO2     mg/L P   mg/L SO4   mg/L SO4    mg/L Cl


 NO. OF L-FLAGGED VALUES        0          1          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3          2          8          4         12
 MEAN                       24.00      0.009        11.        12.        22.
 MINIMUM                                            10.        11.        21.
 DATE OF MINIMUM                             1985-05-08 1987-02-04 1987-11-04
 10TH PERCENTILE                                                          21.
 MEDIAN                                             11.        12.        22.
 90TH PERCENTILE                                                          23.
 MAXIMUM                                            13.        12.        24.
 DATE OF MAXIMUM                             1986-02-03 1987-08-05 1985-08-05
 STANDARD DEVIATION                                  1.         1.         1.




                               Ca         Cr         Cr         Mn         Mn
                             DISS      TOTAL        HEX      TOTAL      TOTAL
                            20101      24002      24101      25004      25009
                          mg/L Ca    mg/L Cr    mg/L Cr    mg/L Mn    mg/L Mn


 NO. OF L-FLAGGED VALUES        0          7          3          8          4
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12          0          0          0          0
 MEAN                      21.500      0.003      0.003       0.01       0.01
 MINIMUM                   16.000      0.003                  0.01       0.01
 DATE OF MINIMUM       1985-02-04 1985-11-06            1986-02-03 1985-02-04
 10TH PERCENTILE           16.400                                            
 MEDIAN                    19.000      0.003                  0.01       0.01
 90TH PERCENTILE           30.760                                            
 MAXIMUM                   36.000      0.005                  0.01       0.01
 DATE OF MAXIMUM       1986-02-03 1987-02-04            1987-11-04 1985-11-06
 STANDARD DEVIATION         6.676      0.001                  0.00       0.00




                               Fe         Fe         Cu         Zn         As
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            26002      26004      29006      30004      33003
                          mg/L Fe    mg/L Fe    mg/L Cu    mg/L Zn    mg/L As


 NO. OF L-FLAGGED VALUES        8          4         10          5          8
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          5          0
 MEAN                        0.01       0.01      0.010      0.007      0.002
 MINIMUM                     0.01       0.01      0.010      0.005      0.001
 DATE OF MINIMUM       1985-02-04 1986-02-03 1985-02-04 1985-08-05 1985-11-06
 10TH PERCENTILE                                  0.010      0.005           
 MEDIAN                      0.01       0.01      0.010      0.005      0.001
 90TH PERCENTILE                                  0.010      0.008           
 MAXIMUM                     0.01       0.01      0.010      0.018      0.005
 DATE OF MAXIMUM       1987-11-04 1986-11-05 1987-11-04 1986-11-05 1985-08-05
 STANDARD DEVIATION          0.00       0.00      0.000      0.004      0.002




                               As   COLIFORM   FAEC COL         Cd         Cd
                            TOTAL      TOTAL                 TOTAL      TOTAL
                            33007      36001      36011      48001      48002
                          mg/L As   No/100ml   No/100ml    mg/L Cd    mg/L Cd


 NO. OF L-FLAGGED VALUES        2          0          2          6          4
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          8          2          0          0
 MEAN                       0.001         0.         1.      0.005      0.005
 MINIMUM                                  0.         0.      0.005      0.005
 DATE OF MINIMUM                  1986-02-03 1985-02-04 1985-02-04 1987-02-04
 10TH PERCENTILE                                                             
 MEDIAN                                   0.         1.      0.005      0.005
 90TH PERCENTILE                                                             
 MAXIMUM                                  0.         2.      0.005      0.005
 DATE OF MAXIMUM                  1987-11-04 1985-08-05 1986-11-05 1987-11-04
 STANDARD DEVIATION                       0.         1.      0.000      0.000




                               Ba         Pb         Pb       INST
                            TOTAL      TOTAL      TOTAL     DISCHG
                            80011      82001      82002      97160
                          ug/L Hg    mg/L Pb    mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES       10          6          4          0
 NO. OF G-FLAGGED VALUES        0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          3
 MEAN                       0.500      0.010      0.010        0.1
 MINIMUM                    0.500      0.010      0.010           
 DATE OF MINIMUM       1985-02-04 1985-02-04 1987-02-04           
 10TH PERCENTILE            0.500                                 
 MEDIAN                     0.500      0.010      0.010           
 90TH PERCENTILE            0.500                                 
 MAXIMUM                    0.500      0.010      0.010           
 DATE OF MAXIMUM       1987-11-04 1986-11-05 1987-11-04           
 STANDARD DEVIATION         0.000      0.000      0.000           





 STATION - OKUSAGAMI RESERVOIR AT INTAKE            STATION NO. 080005
 COUNTRY - JAPAN                                    DEPTH(M)      10.0
 LOCATION - OCT. 2  LAT. 35/32/45  LONG. 139/08/27  ELEVATION(M) 314.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   LAKE       

 PERIOD REQUESTED FROM  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-01-21 TO 1987-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP      TRANS        TOC    PHENOLS
                             COND                                            
                            02041      02061      02076      06001      06532
                            us/cm      deg C          m     mg/L C       mg/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         36         36          1          0
 MEAN                         96.       13.0        4.8         0.      0.004
 MINIMUM                      74.        4.2        1.1                 0.001
 DATE OF MINIMUM       1985-04-15 1985-01-21 1985-07-15            1987-04-13
 10TH PERCENTILE              86.        4.8        1.7                      
 MEDIAN                       98.       13.1        4.1                 0.005
 90TH PERCENTILE             102.       19.9        8.8                      
 MAXIMUM                     105.       26.2       10.1                 0.005
 DATE OF MAXIMUM       1987-05-18 1987-08-17 1986-12-15            1986-10-20
 STANDARD DEVIATION            7.        6.1        2.6                 0.002




                               CN     NO3NO2      NO2-N      NO3-N        NH3
                                                                             
                            06606      07105      07207      07313      07551
                          mg/L Cn     mg/L N     mg/L N     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES        6          0          0          0         13
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         12         24         24         23
 MEAN                       0.005       0.53       0.00       0.50       0.02
 MINIMUM                    0.005       0.40       0.00       0.27       0.01
 DATE OF MINIMUM       1985-04-15 1985-12-17 1987-01-19 1987-04-13 1985-02-18
 10TH PERCENTILE                        0.41       0.00       0.33       0.01
 MEDIAN                     0.005       0.54       0.00       0.49       0.02
 90TH PERCENTILE                        0.60       0.00       0.65       0.03
 MAXIMUM                    0.005       0.71       0.00       0.83       0.05
 DATE OF MAXIMUM       1987-10-19 1985-04-15 1986-04-14 1986-09-16 1985-07-15
 STANDARD DEVIATION         0.000       0.09       0.00       0.12       0.01




                          PERCENT         O2        BOD     PERM V          F
                           DO SAT       DISS                             DISS
                            08001      08101      08201      08401      09105
                          PERCENT    mg/L O2    mg/L O2    mg/L O2     mg/L F


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12         36         36         36          6
 MEAN                        100.       10.2         1.         0.        0.1
 MINIMUM                      92.        7.6         0.         0.        0.0
 DATE OF MINIMUM       1987-07-21 1985-08-19 1985-04-15 1985-02-18 1986-04-14
 10TH PERCENTILE              92.        8.2         0.         0.           
 MEDIAN                      100.       10.1         0.         0.        0.0
 90TH PERCENTILE             105.       12.0         1.         1.           
 MAXIMUM                     107.       12.4         2.         1.        0.1
 DATE OF MAXIMUM       1987-03-16 1985-02-18 1987-07-21 1987-09-14 1985-04-15
 STANDARD DEVIATION            4.        1.5         0.         0.        0.0




                              ALK        ALK         pH   VOL SUSP       TENS
                            TOTAL      TOTAL                SOLIDS    ANIONIC
                            10102      10120      10300      10511      10702
                             mg/L      MEQ/L   pH UNITS       mg/L       mg/L


 NO. OF L-FLAGGED VALUES        0          0          0          0         10
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       30          6         36          2         26
 MEAN                       26.12       0.66        7.4         0.        0.0
 MINIMUM                     0.48       0.56        7.2                   0.0
 DATE OF MINIMUM       1985-04-15 1985-07-15 1987-02-16            1985-02-18
 10TH PERCENTILE             0.60                   7.3                   0.0
 MEDIAN                     32.50       0.67        7.3                   0.0
 90TH PERCENTILE            34.00                   7.4                   0.0
 MAXIMUM                    36.00       0.72        7.6                   0.0
 DATE OF MAXIMUM       1987-08-17 1985-09-17 1987-08-17            1986-12-15
 STANDARD DEVIATION         13.10       0.06        0.1                   0.0




                               Mg         Si    P ORTHO    P ORTHO          P
                             DISS   REACTIVE      TOTAL       DISS      TOTAL
                            12103      14101      15205      15255      15405
                          mg/L Mg   mg/LSiO2     mg/L P     mg/L P     mg/L P


 NO. OF L-FLAGGED VALUES        0          0          4          3          6
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         17          9         18
 MEAN                          3.      17.56      0.005      0.005      0.015
 MINIMUM                       2.      11.00      0.003      0.003      0.010
 DATE OF MINIMUM       1987-05-18 1985-04-15 1986-01-20 1985-01-21 1986-01-20
 10TH PERCENTILE               2.      13.60      0.003      0.003      0.010
 MEDIAN                        3.      18.00      0.003      0.003      0.010
 90TH PERCENTILE               3.      20.00      0.007      0.009      0.020
 MAXIMUM                       5.      20.00      0.013      0.020      0.080
 DATE OF MAXIMUM       1986-05-19 1986-09-16 1987-08-17 1985-07-15 1986-09-16
 STANDARD DEVIATION            1.       2.25      0.003      0.005      0.015




                         SULPHATE         Cl     ALDRIN   DIELDRIN       PCBS
                                        DISS                                 
                            16306      17204      18130      18150      18165
                         mg/L SO4    mg/L Cl       ug/L       ug/L       ug/L


 NO. OF L-FLAGGED VALUES        0          0          3          3         35
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36          0          0          0
 MEAN                          9.         3.      0.001      0.002      0.100
 MINIMUM                       5.         2.                            0.100
 DATE OF MINIMUM       1985-07-15 1985-04-15                       1985-01-21
 10TH PERCENTILE               6.         2.                            0.100
 MEDIAN                       10.         3.                            0.100
 90TH PERCENTILE              12.         4.                            0.100
 MAXIMUM                      12.         5.                            0.100
 DATE OF MAXIMUM       1985-12-17 1987-05-18                       1987-12-15
 STANDARD DEVIATION            2.         1.                            0.000





                               Ca         Cr         Mn         Mn         Fe
                             DISS      TOTAL      TOTAL       DISS      TOTAL
                            20101      24002      25004      25104      26002
                          mg/L Ca    mg/L Cr    mg/L Mn    mg/L Mn    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          6          8         12          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          0         28         24          5
 MEAN                      10.844      0.010       0.01       0.01       0.09
 MINIMUM                    7.800      0.010       0.01       0.01       0.06
 DATE OF MINIMUM       1985-04-15 1985-04-15 1985-01-21 1985-01-21 1985-05-20
 10TH PERCENTILE            9.600                  0.01       0.01           
 MEDIAN                    11.000      0.010       0.01       0.01       0.08
 90TH PERCENTILE           12.000                  0.02       0.02           
 MAXIMUM                   13.000      0.010       0.03       0.02       0.14
 DATE OF MAXIMUM       1987-09-14 1987-10-19 1985-09-17 1987-06-15 1985-03-04
 STANDARD DEVIATION         1.062      0.000       0.01       0.00       0.03




                               Fe         Fe         Cu         Zn         As
                            TOTAL       DISS      TOTAL      TOTAL      TOTAL
                            26004      26104      29006      30004      33003
                          mg/L Fe    mg/L Fe    mg/L Cu    mg/L Zn    mg/L As


 NO. OF L-FLAGGED VALUES        0          1          6          6          6
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       31          5          0          0          0
 MEAN                        0.10       0.02      0.010      0.010      0.010
 MINIMUM                     0.01       0.01      0.010      0.010      0.010
 DATE OF MINIMUM       1986-01-20 1985-10-14 1985-04-15 1985-04-15 1985-04-15
 10TH PERCENTILE             0.02                                            
 MEDIAN                      0.09       0.02      0.010      0.010      0.010
 90TH PERCENTILE             0.20                                            
 MAXIMUM                     0.29       0.04      0.010      0.010      0.010
 DATE OF MAXIMUM       1987-10-19 1987-10-19 1987-10-19 1987-10-19 1987-10-19
 STANDARD DEVIATION          0.07       0.01      0.000      0.000      0.000




                               Se   COLIFORM   FAEC COL       FAEC    PHYTOP.
                            TOTAL      TOTAL                 STREP      COUNT
                            34002      36001      36011      36101      36301
                          mg/L Se   No/100ml   No/100ml   No/100ml      No./L


 NO. OF L-FLAGGED VALUES        6          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         24         36         36         12
 MEAN                       0.001       935.        88.        33.       172.
 MINIMUM                    0.001       130.         4.         0.        19.
 DATE OF MINIMUM       1985-04-15 1987-01-19 1986-04-14 1985-01-21 1985-07-15
 10TH PERCENTILE                        268.         8.         1.        21.
 MEDIAN                     0.001       490.        49.        11.       136.
 90TH PERCENTILE                       2300.       213.        58.       303.
 MAXIMUM                    0.001      4900.       490.       490.       475.
 DATE OF MAXIMUM       1987-10-19 1986-09-16 1987-12-15 1986-09-16 1985-10-14
 STANDARD DEVIATION         0.000      1181.       118.        83.       137.





                          PHYTOP.         Cd         Ba         Pb         Pb
                            COUNT      TOTAL      TOTAL      TOTAL      TOTAL
                            36304      48001      80011      82001      82002
                           No./ml    mg/L Cd    ug/L Hg    mg/L Pb    mg/L Pb


 NO. OF L-FLAGGED VALUES        0         36         36         12         24
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3          0          0          0          0
 MEAN                        264.      0.001      0.100      0.005      0.008
 MINIMUM                               0.001      0.100      0.005      0.005
 DATE OF MINIMUM                  1985-01-21 1985-01-21 1985-01-21 1986-01-20
 10TH PERCENTILE                       0.001      0.100      0.005      0.005
 MEDIAN                                0.001      0.100      0.005      0.007
 90TH PERCENTILE                       0.001      0.100      0.005      0.010
 MAXIMUM                               0.001      0.100      0.005      0.010
 DATE OF MAXIMUM                  1987-12-15 1987-12-15 1985-12-17 1987-12-15
 STANDARD DEVIATION                    0.000      0.000      0.000      0.003




                         TEMP-AIR
                                 
                            97060
                            deg C


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES       12
 MEAN                        15.9
 MINIMUM                      4.9
 DATE OF MINIMUM       1985-12-17
 10TH PERCENTILE              5.4
 MEDIAN                      14.9
 90TH PERCENTILE             26.0
 MAXIMUM                     28.6
 DATE OF MAXIMUM       1985-07-15
 STANDARD DEVIATION           8.1





 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  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-01-16 TO 1987-12-25

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP      TRANS        TOC    PHENOLS
                             COND                                            
                            02041      02061      02076      06001      06532
                            us/cm      deg C          m     mg/L C       mg/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         36         36          1          0
 MEAN                        146.       15.2        1.9         1.      0.004
 MINIMUM                     103.        6.2        0.2                 0.001
 DATE OF MINIMUM       1986-09-08 1986-02-10 1986-09-08            1987-04-06
 10TH PERCENTILE             121.        6.8        0.4                      
 MEDIAN                      148.       15.6        1.9                 0.005
 90TH PERCENTILE             160.       23.0        2.9                      
 MAXIMUM                     194.       26.3        3.7                 0.005
 DATE OF MAXIMUM       1985-09-09 1987-08-10 1986-01-14            1986-10-13
 STANDARD DEVIATION           17.        6.3        0.9                 0.002




                               CN     NO3NO2      NO2-N      NO3-N        NH3
                                                                             
                            06606      07105      07207      07313      07551
                          mg/L Cn     mg/L N     mg/L N     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES        6          0          0          0          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         12         24         24         33
 MEAN                       0.005       1.07       0.02       1.01       0.04
 MINIMUM                    0.005       0.46       0.02       0.47       0.01
 DATE OF MINIMUM       1985-04-08 1985-09-09 1986-08-11 1987-06-08 1986-08-11
 10TH PERCENTILE                        0.53       0.02       0.52       0.02
 MEDIAN                     0.005       1.08       0.02       1.07       0.04
 90TH PERCENTILE                        1.39       0.03       1.25       0.06
 MAXIMUM                    0.005       1.50       0.04       1.40       0.13
 DATE OF MAXIMUM       1987-10-12 1985-04-08 1987-09-07 1986-08-11 1986-03-10
 STANDARD DEVIATION         0.000       0.28       0.00       0.26       0.02




                          PERCENT         O2        BOD     PERM V          F
                           DO SAT       DISS                             DISS
                            08001      08101      08201      08401      09105
                          PERCENT    mg/L O2    mg/L O2    mg/L O2     mg/L F


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12         36         36         36          6
 MEAN                        107.       10.4         2.         1.        0.1
 MINIMUM                      75.        6.3         0.         0.        0.1
 DATE OF MINIMUM       1987-01-12 1987-09-07 1986-11-10 1986-12-08 1986-04-07
 10TH PERCENTILE              75.        8.3         1.         1.           
 MEDIAN                       95.        9.7         1.         1.        0.1
 90TH PERCENTILE             142.       12.1         3.         2.           
 MAXIMUM                     183.       25.9         7.        14.        0.1
 DATE OF MAXIMUM       1987-06-08 1985-09-09 1985-09-09 1985-09-09 1987-04-06
 STANDARD DEVIATION           34.        3.1         1.         2.        0.0




                              ALK        ALK         pH   VOL SUSP       TENS
                            TOTAL      TOTAL                SOLIDS    ANIONIC
                            10102      10120      10300      10511      10702
                             mg/L      MEQ/L   pH UNITS       mg/L       mg/L


 NO. OF L-FLAGGED VALUES        0          0          0          0          2
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       30          6         36          2         34
 MEAN                       36.17       0.92        7.8         0.        0.0
 MINIMUM                     0.64       0.68        7.1                   0.0
 DATE OF MINIMUM       1985-04-08 1985-07-08 1985-02-12            1985-03-12
 10TH PERCENTILE             0.84                   7.2                   0.0
 MEDIAN                     43.00       0.95        7.4                   0.0
 90TH PERCENTILE            52.00                   8.9                   0.0
 MAXIMUM                    54.00       1.04       11.0                   0.1
 DATE OF MAXIMUM       1987-08-10 1985-12-09 1985-09-09            1987-02-09
 STANDARD DEVIATION         18.89       0.13        0.8                   0.0




                               Mg         Si    P ORTHO    P ORTHO          P
                             DISS   REACTIVE      TOTAL       DISS      TOTAL
                            12103      14101      15205      15255      15405
                          mg/L Mg   mg/LSiO2     mg/L P     mg/L P     mg/L P


 NO. OF L-FLAGGED VALUES        0          0          2          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         17         12         24
 MEAN                          4.      24.69      0.045      0.040      0.085
 MINIMUM                       3.      17.00      0.003      0.010      0.050
 DATE OF MINIMUM       1985-07-08 1985-04-08 1986-07-07 1985-09-09 1987-07-13
 10TH PERCENTILE               4.      21.00      0.003      0.011      0.060
 MEDIAN                        4.      24.50      0.059      0.039      0.080
 90TH PERCENTILE               5.      29.30      0.074      0.074      0.115
 MAXIMUM                       6.      34.00      0.100      0.082      0.140
 DATE OF MAXIMUM       1987-06-08 1986-03-10 1986-01-14 1985-12-09 1986-03-10
 STANDARD DEVIATION            1.       3.50      0.031      0.025      0.022




                         SULPHATE         Cl     ALDRIN   DIELDRIN       PCBS
                                        DISS                                 
                            16306      17204      18130      18150      18165
                         mg/L SO4    mg/L Cl       ug/L       ug/L       ug/L


 NO. OF L-FLAGGED VALUES        0          0          3          3         36
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36          0          0          0
 MEAN                         14.         6.      0.001      0.002      0.100
 MINIMUM                       9.         4.                            0.100
 DATE OF MINIMUM       1985-10-07 1987-12-25                       1985-01-16
 10TH PERCENTILE              11.         4.                            0.100
 MEDIAN                       14.         6.                            0.100
 90TH PERCENTILE              16.         8.                            0.100
 MAXIMUM                      19.         9.                            0.100
 DATE OF MAXIMUM       1985-11-11 1987-08-10                       1987-12-25
 STANDARD DEVIATION            2.         1.                            0.000




                               Ca         Cr         Mn         Mn         Fe
                             DISS      TOTAL      TOTAL       DISS      TOTAL
                            20101      24002      25004      25104      26002
                          mg/L Ca    mg/L Cr    mg/L Mn    mg/L Mn    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          6          0         15          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          0         36         21          5
 MEAN                      13.944      0.010       0.04       0.02       0.24
 MINIMUM                   10.000      0.010       0.01       0.01       0.04
 DATE OF MINIMUM       1985-04-08 1985-04-08 1985-05-13 1985-03-12 1985-05-13
 10TH PERCENTILE           12.000                  0.01       0.01           
 MEDIAN                    14.000      0.010       0.02       0.01       0.19
 90TH PERCENTILE           16.000                  0.10       0.07           
 MAXIMUM                   16.000      0.010       0.14       0.12       0.75
 DATE OF MAXIMUM       1986-03-10 1987-10-12 1987-03-09 1987-03-09 1985-02-12
 STANDARD DEVIATION         1.413      0.000       0.04       0.03       0.29




                               Fe         Fe         Cu         Zn         As
                            TOTAL       DISS      TOTAL      TOTAL      TOTAL
                            26004      26104      29006      30004      33003
                          mg/L Fe    mg/L Fe    mg/L Cu    mg/L Zn    mg/L As


 NO. OF L-FLAGGED VALUES        0          0          6          3          5
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       31          6          0          3          0
 MEAN                        0.33       0.02      0.010      0.010      0.010
 MINIMUM                     0.03       0.01      0.010      0.010      0.010
 DATE OF MINIMUM       1985-10-07 1985-10-07 1985-04-08 1985-04-08 1985-04-08
 10TH PERCENTILE             0.05                                            
 MEDIAN                      0.11       0.02      0.010      0.010      0.010
 90TH PERCENTILE             0.35                                            
 MAXIMUM                     4.60       0.05      0.010      0.010      0.010
 DATE OF MAXIMUM       1986-09-08 1985-04-08 1987-10-12 1987-10-12 1987-10-12
 STANDARD DEVIATION          0.84       0.02      0.000      0.000      0.000




                               Se   COLIFORM   FAEC COL       FAEC    PHYTOP.
                            TOTAL      TOTAL                 STREP      COUNT
                            34002      36001      36011      36101      36301
                          mg/L Se   No/100ml   No/100ml   No/100ml      No./L


 NO. OF L-FLAGGED VALUES        5          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1         24         36         36         12
 MEAN                       0.003      2822.       416.        61.    1.9E+04
 MINIMUM                    0.001       130.         2.         0.    4.0E+00
 DATE OF MINIMUM       1985-10-07 1987-03-09 1985-09-09 1985-05-13 1985-07-08
 10TH PERCENTILE                        220.        25.         0.    1.5E+01
 MEDIAN                     0.001      1850.       170.        18.    4.9E+02
 90TH PERCENTILE                       4900.      1100.        94.    5.4E+04
 MAXIMUM                    0.010     17000.      3300.       790.    1.1E+05
 DATE OF MAXIMUM       1987-10-12 1987-09-07 1986-06-09 1986-09-08 1985-09-09
 STANDARD DEVIATION         0.004      3552.       637.       142.    3.5E+04




                          PHYTOP.         Cd         Ba         Pb         Pb
                            COUNT      TOTAL      TOTAL      TOTAL      TOTAL
                            36304      48001      80011      82001      82002
                           No./ml    mg/L Cd    ug/L Hg    mg/L Pb    mg/L Pb


 NO. OF L-FLAGGED VALUES        0         36         36         12         24
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3          0          0          0          0
 MEAN                        108.      0.001      0.100      0.005      0.008
 MINIMUM                               0.001      0.100      0.005      0.005
 DATE OF MINIMUM                  1985-01-16 1985-01-16 1985-01-16 1986-01-14
 10TH PERCENTILE                       0.001      0.100      0.005      0.005
 MEDIAN                                0.001      0.100      0.005      0.007
 90TH PERCENTILE                       0.001      0.100      0.005      0.010
 MAXIMUM                               0.001      0.100      0.005      0.010
 DATE OF MAXIMUM                  1987-12-25 1987-12-25 1985-12-09 1987-12-25
 STANDARD DEVIATION                    0.000      0.000      0.000      0.003




                         TEMP-AIR
                                 
                            97060
                            deg C


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES       12
 MEAN                        17.9
 MINIMUM                      5.8
 DATE OF MINIMUM       1985-03-12
 10TH PERCENTILE              6.2
 MEDIAN                      17.8
 90TH PERCENTILE             28.5
 MAXIMUM                     30.1
 DATE OF MAXIMUM       1985-08-12
 STANDARD DEVIATION           8.1





 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  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-01-09 TO 1987-12-16

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP        TOC    PHENOLS         CN
                             COND                                            
                            02041      02061      06001      06532      06606
                            us/cm      deg C     mg/L C       mg/L    mg/L Cn


 NO. OF L-FLAGGED VALUES        0          0          0         12         36
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       72         72         12          0          0
 MEAN                        203.       14.6         1.      0.004      0.005
 MINIMUM                     128.        6.0         0.      0.001      0.005
 DATE OF MINIMUM       1986-09-10 1987-01-21 1985-07-24 1987-01-21 1985-01-23
 10TH PERCENTILE             153.        6.9         0.      0.001      0.005
 MEDIAN                      213.       15.0         1.      0.005      0.005
 90TH PERCENTILE             235.       22.6         2.      0.005      0.005
 MAXIMUM                     241.       24.7         2.      0.005      0.010
 DATE OF MAXIMUM       1986-02-26 1985-09-04 1985-01-23 1986-10-22 1987-03-18
 STANDARD DEVIATION           31.        5.8         1.      0.002      0.001




                            NO2-N      NO3-N        NH3        NH3    PERCENT
                                                                       DO SAT
                            07207      07313      07551      07554      08001
                           mg/L N     mg/L N     mg/L N     mg/L 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       48         24         52         20         12
 MEAN                        0.05       1.97       0.27       0.27        85.
 MINIMUM                     0.02       1.18       0.02       0.04        65.
 DATE OF MINIMUM       1986-08-06 1986-09-17 1986-09-10 1985-08-07 1987-08-19
 10TH PERCENTILE             0.03       1.28       0.06       0.04        67.
 MEDIAN                      0.05       1.83       0.25       0.26        84.
 90TH PERCENTILE             0.06       2.70       0.55       0.50        96.
 MAXIMUM                     0.07       3.11       0.60       0.65       100.
 DATE OF MAXIMUM       1987-04-08 1987-02-19 1986-01-22 1985-02-06 1987-12-16
 STANDARD DEVIATION          0.01       0.56       0.17       0.19        10.




                               O2        BOD     PERM V          F        ALK
                             DISS                             DISS      TOTAL
                            08101      08201      08401      09105      10102
                          mg/L O2    mg/L O2    mg/L O2     mg/L F       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         71         12         61
 MEAN                         8.8         2.         1.        0.1      41.96
 MINIMUM                      5.4         1.         1.        0.1       0.70
 DATE OF MINIMUM       1987-08-19 1985-08-21 1985-08-21 1987-07-22 1985-04-25
 10TH PERCENTILE              6.4         1.         1.        0.1       0.95
 MEDIAN                       9.1         2.         1.        0.1      53.00
 90TH PERCENTILE             10.5         3.         2.        0.1      60.80
 MAXIMUM                     11.2         3.         3.        0.1      64.00
 DATE OF MAXIMUM       1987-01-21 1986-12-17 1986-05-07 1987-10-21 1987-08-05
 STANDARD DEVIATION           1.4         1.         0.        0.0      22.37




                              ALK         pH   SUSP SOL   VOL SUSP       TENS
                            TOTAL               105 DEG     SOLIDS    ANIONIC
                            10120      10300      10401      10511      10702
                            MEQ/L   pH UNITS       mg/L       mg/L       mg/L


 NO. OF L-FLAGGED VALUES        0          0          0          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       11         72         36         33         72
 MEAN                        1.07        7.3        12.         3.        0.1
 MINIMUM                     0.76        7.0         2.         0.        0.0
 DATE OF MINIMUM       1985-07-10 1985-06-19 1985-10-23 1987-10-21 1985-04-25
 10TH PERCENTILE             0.77        7.2         3.         0.        0.0
 MEDIAN                      1.12        7.3         6.         2.        0.1
 90TH PERCENTILE             1.18        7.4        20.         5.        0.1
 MAXIMUM                     1.20        7.7       130.        16.        0.2
 DATE OF MAXIMUM       1985-09-04 1985-07-24 1985-05-22 1986-09-17 1985-02-18
 STANDARD DEVIATION          0.14        0.1        21.         3.        0.0




                               Mg         Si    P ORTHO    P ORTHO   SULPHATE
                             DISS   REACTIVE      TOTAL       DISS           
                            12103      14101      15205      15255      16306
                          mg/L Mg   mg/LSiO2     mg/L P     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          4         24         12          6
 MEAN                          6.      20.75      0.078      0.071        22.
 MINIMUM                       3.      17.00      0.036      0.020        17.
 DATE OF MINIMUM       1986-09-17 1987-04-22 1986-03-17 1985-11-20 1985-04-25
 10TH PERCENTILE               4.                 0.050      0.024           
 MEDIAN                        6.      21.50      0.073      0.075        23.
 90TH PERCENTILE               7.                 0.110      0.099           
 MAXIMUM                      10.      23.00      0.140      0.110        27.
 DATE OF MAXIMUM       1986-01-22 1987-10-21 1987-03-18 1985-02-18 1987-04-22
 STANDARD DEVIATION            1.       2.87      0.024      0.028         4.




                               Cl         Cl     ALDRIN   DIELDRIN       PCBS
                             DISS       DISS                                 
                            17201      17204      18130      18150      18165
                          mg/L Cl    mg/L Cl       ug/L       ug/L       ug/L


 NO. OF L-FLAGGED VALUES        0          0          4          4          8
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        4         67          0          0          0
 MEAN                         10.        12.      0.012      0.017      0.213
 MINIMUM                       7.         6.      0.002      0.003      0.100
 DATE OF MINIMUM       1985-04-25 1986-09-17 1986-02-26 1986-02-26 1985-01-23
 10TH PERCENTILE                          8.                                 
 MEDIAN                       10.        12.      0.002      0.003      0.100
 90TH PERCENTILE                         15.                                 
 MAXIMUM                      13.        17.      0.040      0.060      1.000
 DATE OF MAXIMUM       1985-01-23 1986-02-26 1986-07-23 1986-07-23 1987-10-21
 STANDARD DEVIATION            3.         3.      0.019      0.029      0.318






                               Ca         Cr         Mn         Fe         Fe
                             DISS      TOTAL      TOTAL      TOTAL      TOTAL
                            20101      24002      25004      26002      26004
                          mg/L Ca    mg/L Cr    mg/L Mn    mg/L Fe    mg/L Fe


 NO. OF L-FLAGGED VALUES        0         12          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          0         36          6         30
 MEAN                      19.333      0.010       0.04       0.52       0.41
 MINIMUM                   14.000      0.010       0.02       0.20       0.10
 DATE OF MINIMUM       1985-04-25 1985-01-23 1985-07-24 1985-01-23 1985-10-23
 10TH PERCENTILE           15.000      0.010       0.02                  0.16
 MEDIAN                    20.500      0.010       0.03       0.37       0.31
 90TH PERCENTILE           22.000      0.010       0.05                  0.75
 MAXIMUM                   23.000      0.010       0.16       1.20       1.50
 DATE OF MAXIMUM       1985-01-23 1987-10-21 1986-03-17 1985-06-19 1986-09-17
 STANDARD DEVIATION         2.746      0.000       0.02       0.37       0.35




                               Cu         Zn         As         Se   COLIFORM
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            29006      30004      33003      34002      36001
                          mg/L Cu    mg/L Zn    mg/L As    mg/L Se   No/100ml


 NO. OF L-FLAGGED VALUES       11          9         12          6          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          3          0          0         48
 MEAN                       0.010      0.010      0.010      0.001    3.4E+04
 MINIMUM                    0.010      0.010      0.010      0.001    3.3E+03
 DATE OF MINIMUM       1985-01-23 1985-01-23 1985-01-23 1985-04-25 1987-03-04
 10TH PERCENTILE            0.010      0.010      0.010               1.2E+04
 MEDIAN                     0.010      0.010      0.010      0.001    2.4E+04
 90TH PERCENTILE            0.010      0.010      0.010               7.9E+04
 MAXIMUM                    0.010      0.010      0.010      0.001    1.4E+05
 DATE OF MAXIMUM       1987-10-21 1987-10-21 1987-10-21 1987-10-21 1987-02-04
 STANDARD DEVIATION         0.000      0.000      0.000      0.000    2.7E+04




                         FAEC COL       FAEC    PHYTOP.         Cd         Cd
                                       STREP      COUNT      TOTAL       DISS
                            36011      36101      36304      48001      48101
                         No/100ml   No/100ml     No./ml    mg/L Cd    mg/L Cd


 NO. OF L-FLAGGED VALUES        0          0          0         32          4
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         28          6          0          0
 MEAN                       2588.       529.      3012.      0.001      0.001
 MINIMUM                     150.        23.      1312.      0.001      0.001
 DATE OF MINIMUM       1985-03-27 1985-10-23 1987-01-07 1985-02-18 1985-01-23
 10TH PERCENTILE             330.        46.                 0.001           
 MEDIAN                     1700.       285.      3404.      0.001      0.001
 90TH PERCENTILE            4900.      1100.                 0.001           
 MAXIMUM                   13000.      4600.      4204.      0.001      0.001
 DATE OF MAXIMUM       1985-05-22 1986-06-18 1987-03-04 1987-12-16 1985-10-23
 STANDARD DEVIATION         2774.       865.      1218.      0.000      0.000




                               Ba         Hg         Pb         Pb   TEMP-AIR
                            TOTAL       DISS      TOTAL      TOTAL           
                            80011      80111      82001      82002      97060
                          ug/L Hg    ug/L Hg    mg/L Pb    mg/L Pb      deg C


 NO. OF L-FLAGGED VALUES       29          6         12         24          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          0          0          0         24
 MEAN                       0.100      0.100      0.005      0.009       17.7
 MINIMUM                    0.100      0.100      0.005      0.005        2.0
 DATE OF MINIMUM       1985-02-18 1985-01-23 1985-01-23 1986-01-22 1985-03-11
 10TH PERCENTILE            0.100                 0.005      0.005        5.9
 MEDIAN                     0.100      0.100      0.005      0.010       18.0
 90TH PERCENTILE            0.100                 0.005      0.010       28.5
 MAXIMUM                    0.100      0.100      0.005      0.010       29.0
 DATE OF MAXIMUM       1987-12-16 1987-08-19 1985-12-18 1987-12-16 1985-09-04
 STANDARD DEVIATION         0.000      0.000      0.000      0.002        8.6




                             INST
                           DISCHG
                            97160
                             m3/S


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES       72
 MEAN                        32.5
 MINIMUM                     12.9
 DATE OF MINIMUM       1985-02-06
 10TH PERCENTILE             14.8
 MEDIAN                      19.8
 90TH PERCENTILE             67.8
 MAXIMUM                    172.2
 DATE OF MAXIMUM       1986-08-06
 STANDARD DEVIATION          27.8





 STATION - SHINANO RIVER AT ZUIUN BRIDGE            STATION NO. 080008
 COUNTRY - JAPAN                                    DEPTH(M)       2.8
 LOCATION - OCT. 2  LAT. 37/35/56  LONG. 138/57/04  ELEVATION(M)   6.3
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-01-09 TO 1987-12-16

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP    PHENOLS         CN   CHLORO A
                             COND                                            
                            02041      02061      06532      06606      06711
                            us/cm      deg C       mg/L    mg/L Cn       mg/L


 NO. OF L-FLAGGED VALUES        0          0          9         72          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       72         72          0          0         69
 MEAN                        131.       12.3      0.005      0.010     0.0078
 MINIMUM                      14.        1.5      0.005      0.010     0.0020
 DATE OF MINIMUM       1987-08-05 1985-01-09 1985-01-09 1985-01-09 1985-01-09
 10TH PERCENTILE              78.        2.5                 0.010     0.0020
 MEDIAN                      136.       12.5      0.005      0.010     0.0060
 90TH PERCENTILE             169.       23.7                 0.010     0.0130
 MAXIMUM                     185.       28.0      0.005      0.010     0.0340
 DATE OF MAXIMUM       1987-10-07 1985-07-03 1985-09-12 1987-12-16 1985-06-26
 STANDARD DEVIATION           35.        7.9      0.000      0.000     0.0065




                           NO3NO2      NO2-N      NO3-N        NH3        NH3
                                                                             
                            07105      07207      07313      07554      07556
                           mg/L N     mg/L N     mg/L N     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          4          5
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       18         54         54         14         49
 MEAN                        0.87       0.01       0.75       0.11       0.10
 MINIMUM                     0.48       0.00       0.31       0.04       0.04
 DATE OF MINIMUM       1985-05-08 1986-04-23 1986-04-23 1985-07-17 1986-06-11
 10TH PERCENTILE             0.51       0.01       0.52       0.04       0.04
 MEDIAN                      0.80       0.01       0.75       0.11       0.09
 90TH PERCENTILE             1.23       0.02       0.98       0.20       0.17
 MAXIMUM                     1.75       0.03       1.42       0.24       0.30
 DATE OF MAXIMUM       1985-06-26 1986-12-10 1987-10-21 1985-01-09 1986-02-05
 STANDARD DEVIATION          0.33       0.00       0.20       0.07       0.06




                               O2        BOD        COD     PERM V          F
                             DISS                                        DISS
                            08101      08201      08301      08401      09105
                          mg/L O2    mg/L O2    mg/L O2    mg/L O2     mg/L F


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       72         72         18         18         54
 MEAN                        10.2         2.         9.        19.        0.1
 MINIMUM                      7.3         0.         2.         5.        0.0
 DATE OF MINIMUM       1985-06-26 1986-09-24 1985-04-03 1985-01-09 1986-04-23
 10TH PERCENTILE              7.8         1.         3.         6.        0.1
 MEDIAN                      10.2         2.         5.         7.        0.1
 90TH PERCENTILE             12.7         3.        16.        40.        0.1
 MAXIMUM                     13.3         4.        48.       115.        0.1
 DATE OF MAXIMUM       1987-01-21 1986-03-12 1985-06-26 1985-06-26 1987-07-08
 STANDARD DEVIATION           1.9         1.        11.        27.        0.0




                              ALK        ALK         pH   SUSP SOL       TENS
                            TOTAL      TOTAL               105 DEG    ANIONIC
                            10102      10120      10302      10401      10702
                             mg/L      MEQ/L   pH UNITS       mg/L       mg/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       54         18         72         72         12
 MEAN                       25.39       0.46        7.2        89.        0.0
 MINIMUM                     8.00       0.14        6.5         7.        0.0
 DATE OF MINIMUM       1986-04-23 1985-05-08 1985-05-08 1987-10-07 1985-03-27
 10TH PERCENTILE            16.20       0.21        6.9        10.        0.0
 MEDIAN                     25.75       0.44        7.2        18.        0.0
 90TH PERCENTILE            33.10       0.64        7.4       178.        0.0
 MAXIMUM                    38.00       0.69        7.9      2010.        0.0
 DATE OF MAXIMUM       1986-02-05 1985-08-21 1987-09-02 1985-06-26 1985-01-09
 STANDARD DEVIATION          6.74       0.16        0.2       259.        0.0




                               Na         Mg         Si    P ORTHO      PO4-P
                            TOTAL      TOTAL   REACTIVE      TOTAL        SOL
                            11001      12002      14101      15205      15254
                          mg/L Na    mg/L Mg   mg/LSiO2     mg/L P   mg/L PO4


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       18         18         72         54         18
 MEAN                          7.         4.      14.72      0.049      0.127
 MINIMUM                       4.         2.       6.80      0.020      0.030
 DATE OF MINIMUM       1985-04-17 1985-04-17 1986-04-23 1987-05-06 1985-03-06
 10TH PERCENTILE               4.         2.      10.00      0.030      0.030
 MEDIAN                        7.         3.      15.40      0.040      0.045
 90TH PERCENTILE              10.         6.      17.87      0.070      0.336
 MAXIMUM                      11.        15.      19.20      0.130      0.680
 DATE OF MAXIMUM       1985-01-23 1985-06-26 1987-09-16 1986-07-16 1985-06-26
 STANDARD DEVIATION            2.         3.       2.91      0.022      0.173




                         SULPHATE         Cl    P,P-DDT        DDT    O,P-DDT
                                        DISS                 TOTAL           
                            16302      17204      18000      18002      18005
                         mg/L SO4    mg/L Cl       ug/L       ug/L       ug/L


 NO. OF L-FLAGGED VALUES        0          0          9         27          9
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       72         72          0          0          0
 MEAN                         16.        10.      0.500      0.115      0.500
 MINIMUM                       9.         5.      0.500      0.005      0.500
 DATE OF MINIMUM       1987-03-25 1985-04-17 1985-01-23 1986-04-23 1985-01-23
 10TH PERCENTILE              12.         6.                 0.005           
 MEDIAN                       17.        11.      0.500      0.005      0.500
 90TH PERCENTILE              20.        15.                 0.500           
 MAXIMUM                      24.        18.      0.500      0.500      0.500
 DATE OF MAXIMUM       1985-06-26 1987-10-21 1985-09-25 1986-03-26 1985-09-25
 STANDARD DEVIATION            3.         3.      0.000      0.210      0.000




                           ALPHA-     ALDRIN   DIELDRIN       PCBS        BHC
                              BHC                                            
                            18075      18130      18150      18165      18814
                             ug/L       ug/L       ug/L       ug/L       ug/L


 NO. OF L-FLAGGED VALUES        9         36         36         36          9
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          0          0
 MEAN                       0.500      0.209      0.209      0.500      0.500
 MINIMUM                    0.500      0.001      0.001      0.500      0.500
 DATE OF MINIMUM       1985-01-23 1986-04-23 1986-04-23 1985-01-09 1985-01-23
 10TH PERCENTILE                       0.001      0.001      0.500           
 MEDIAN                     0.500      0.001      0.001      0.500      0.500
 90TH PERCENTILE                       0.500      0.500      0.500           
 MAXIMUM                    0.500      0.500      0.500      0.500      0.500
 DATE OF MAXIMUM       1985-09-25 1986-03-26 1986-03-26 1987-12-02 1985-09-25
 STANDARD DEVIATION         0.000      0.250      0.250      0.000      0.000




                                K         Ca         Cr         Cr         Cr
                            TOTAL      TOTAL      TOTAL       DISS        HEX
                            19001      20003      24002      24052      24101
                           mg/L K    mg/L Ca    mg/L Cr    mg/L Cr    mg/L Cr


 NO. OF L-FLAGGED VALUES        0          0         64         42         18
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       18         18          8          0          0
 MEAN                         1.9      6.278      0.012      0.010      0.017
 MINIMUM                      0.7      1.500      0.001      0.010      0.010
 DATE OF MINIMUM       1985-04-17 1985-03-27 1986-03-26 1986-04-09 1985-01-09
 10TH PERCENTILE              0.8      1.500      0.010      0.010      0.010
 MEDIAN                       1.6      5.700      0.010      0.010      0.020
 90TH PERCENTILE              3.1     12.000      0.010      0.010      0.020
 MAXIMUM                      4.9     14.000      0.090      0.010      0.020
 DATE OF MAXIMUM       1985-06-26 1985-08-21 1985-06-26 1987-12-16 1985-09-25
 STANDARD DEVIATION           1.0      3.759      0.011      0.000      0.005




                               Mn         Mn         Fe         Fe         Ni
                            TOTAL       DISS      TOTAL       DISS      TOTAL
                            25004      25104      26004      26104      28001
                          mg/L Mn    mg/L Mn    mg/L Fe    mg/L Fe    mg/L Ni


 NO. OF L-FLAGGED VALUES        0          2          0          1          8
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       72         40         72         41         10
 MEAN                        0.11       0.04       2.91       0.25      0.012
 MINIMUM                     0.02       0.01       0.39       0.02      0.001
 DATE OF MINIMUM       1986-10-01 1986-08-27 1986-10-01 1986-04-23 1985-01-09
 10TH PERCENTILE             0.04       0.01       0.54       0.09      0.002
 MEDIAN                      0.07       0.04       1.25       0.14      0.010
 90TH PERCENTILE             0.17       0.08       5.62       0.35      0.021
 MAXIMUM                     1.20       0.14      46.00       2.00      0.050
 DATE OF MAXIMUM       1985-06-26 1986-07-16 1985-06-26 1986-07-16 1985-06-26
 STANDARD DEVIATION          0.17       0.03       6.34       0.37      0.012




                               Cu         Cu         Zn         As         Se
                            TOTAL       DISS      TOTAL      TOTAL      TOTAL
                            29006      29106      30004      33003      34002
                          mg/L Cu    mg/L Cu    mg/L Zn    mg/L As    mg/L Se


 NO. OF L-FLAGGED VALUES       62         41          0         31         68
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       10          1         72         41          4
 MEAN                       0.011      0.010      0.029      0.002      0.002
 MINIMUM                    0.010      0.010      0.006      0.001      0.002
 DATE OF MINIMUM       1985-01-09 1986-04-09 1987-09-16 1985-01-23 1985-01-09
 10TH PERCENTILE            0.010      0.010      0.010      0.001      0.002
 MEDIAN                     0.010      0.010      0.022      0.001      0.002
 90TH PERCENTILE            0.010      0.010      0.044      0.003      0.002
 MAXIMUM                    0.060      0.010      0.214      0.022      0.004
 DATE OF MAXIMUM       1985-06-26 1987-12-16 1985-06-26 1985-06-26 1985-02-20
 STANDARD DEVIATION         0.006      0.000      0.029      0.003      0.000




                         FAEC COL       FAEC    PHYTOP.         Cd         Cd
                                       STREP      COUNT      TOTAL       DISS
                            36012      36102      36304      48001      48101
                         No/100ml   No/100ml     No./ml    mg/L Cd    mg/L Cd


 NO. OF L-FLAGGED VALUES        0          0          0         72         42
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       72         18         18          0          0
 MEAN                        730.      4419.      7986.      0.005      0.005
 MINIMUM                      20.       350.      1090.      0.002      0.005
 DATE OF MINIMUM       1987-07-08 1985-08-07 1985-01-09 1985-01-09 1986-04-09
 10TH PERCENTILE              70.       374.      1162.      0.005      0.005
 MEDIAN                      245.      2050.      4950.      0.005      0.005
 90TH PERCENTILE            1100.      9440.     19200.      0.005      0.005
 MAXIMUM                   15000.     21000.     41000.      0.005      0.005
 DATE OF MAXIMUM       1986-11-05 1985-06-26 1985-06-26 1987-12-16 1987-12-16
 STANDARD DEVIATION         1943.      5806.     10108.      0.001      0.000




                               Ba         Hg         Pb         Pb       INST
                            TOTAL       DISS      TOTAL       DISS     DISCHG
                            80011      80111      82001      82101      97160
                          ug/L Hg    ug/L Hg    mg/L Pb    mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES        1         71         59         41          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0         13          1         72
 MEAN                       0.500      0.500      0.022      0.020      226.0
 MINIMUM                               0.500      0.020      0.020       91.5
 DATE OF MINIMUM                  1985-01-09 1985-01-09 1986-04-09 1987-10-07
 10TH PERCENTILE                       0.500      0.020      0.020      160.5
 MEDIAN                                0.500      0.020      0.020      223.7
 90TH PERCENTILE                       0.500      0.027      0.020      311.1
 MAXIMUM                               0.500      0.060      0.020      390.5
 DATE OF MAXIMUM                  1987-12-16 1986-02-05 1987-12-16 1986-04-23
 STANDARD DEVIATION                    0.000      0.007      0.000       60.4





 STATION - KISO RIVER AT SHIMO-OCHIAI               STATION NO. 080009
 COUNTRY - JAPAN                                    DEPTH(M)    9999.9
 LOCATION - OCT. 2  LAT. 35/30/24  LONG. 137/30/10  ELEVATION(M) 260.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-01-08 TO 1987-12-08

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP    PHENOLS         CN     NO3NO2
                             COND                                            
                            02041      02062      06532      06606      07105
                            us/cm      deg C       mg/L    mg/L Cn     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          4         36          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36          0          0         12
 MEAN                         67.       11.0      0.005      0.005       0.34
 MINIMUM                      34.        2.5      0.005      0.005       0.23
 DATE OF MINIMUM       1986-05-20 1985-01-08 1985-02-12 1985-01-08 1985-11-12
 10TH PERCENTILE              44.        2.9                 0.005       0.23
 MEDIAN                       68.       11.1      0.005      0.005       0.32
 90TH PERCENTILE              92.       18.9                 0.005       0.43
 MAXIMUM                     100.       21.0      0.005      0.005       0.53
 DATE OF MAXIMUM       1986-10-14 1987-09-08 1985-11-12 1987-12-08 1985-03-12
 STANDARD DEVIATION           18.        6.0      0.000      0.000       0.09




                            NO2-N      NO3-N        NH3         O2        BOD
                                                              DISS           
                            07207      07313      07554      08102      08201
                           mg/L N     mg/L N     mg/L N    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       24         24         36         36         35
 MEAN                        0.00       0.25       0.08       11.3         1.
 MINIMUM                     0.00       0.16       0.03        8.0         0.
 DATE OF MINIMUM       1987-04-14 1987-08-04 1985-01-08 1985-09-17 1985-04-16
 10TH PERCENTILE             0.00       0.16       0.05        9.0         0.
 MEDIAN                      0.00       0.24       0.07       10.9         1.
 90TH PERCENTILE             0.00       0.32       0.13       13.6         1.
 MAXIMUM                     0.00       0.47       0.28       14.4         1.
 DATE OF MAXIMUM       1986-12-09 1986-05-20 1986-02-04 1985-01-08 1986-11-11
 STANDARD DEVIATION          0.00       0.08       0.05        1.8         0.




                           PERM V        ALK        ALK         pH   SUSP SOL
                                       TOTAL      TOTAL               105 DEG
                            08401      10102      10120      10301      10401
                          mg/L O2       mg/L      MEQ/L   pH UNITS       mg/L


 NO. OF L-FLAGGED VALUES        0          0          0          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12         24         12         36         34
 MEAN                          3.      19.62       0.39        7.1        27.
 MINIMUM                       2.      10.00       0.25        6.8         1.
 DATE OF MINIMUM       1985-12-10 1986-05-20 1985-07-09 1986-03-11 1987-12-08
 10TH PERCENTILE               2.      13.32       0.25        6.8         2.
 MEDIAN                        3.      18.70       0.39        7.1         8.
 90TH PERCENTILE               4.      26.45       0.47        7.3        51.
 MAXIMUM                       4.      28.10       0.59        7.3       391.
 DATE OF MAXIMUM       1985-03-12 1986-10-14 1985-01-08 1985-07-09 1986-05-20
 STANDARD DEVIATION            1.       4.76       0.10        0.2        66.




                             TENS         Mg    P ORTHO   SULPHATE         Cl
                          ANIONIC      TOTAL      TOTAL                  DISS
                            10702      12002      15205      16306      17204
                             mg/L    mg/L Mg     mg/L P   mg/L SO4    mg/L Cl


 NO. OF L-FLAGGED VALUES        3          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        9          4         36          6         36
 MEAN                         0.0         1.      0.014         6.         3.
 MINIMUM                      0.0         1.      0.002         3.         1.
 DATE OF MINIMUM       1985-01-08 1985-05-28 1987-09-08 1986-08-05 1987-07-21
 10TH PERCENTILE              0.0                 0.003                    1.
 MEDIAN                       0.0         1.      0.007         5.         3.
 90TH PERCENTILE              0.0                 0.037                    4.
 MAXIMUM                      0.0         1.      0.082        11.         5.
 DATE OF MAXIMUM       1985-12-10 1985-02-12 1986-05-20 1986-02-04 1986-02-04
 STANDARD DEVIATION           0.0         0.      0.017         3.         1.




                             PCBS         Ca         Cr         Cr         Mn
                                       TOTAL      TOTAL        HEX      TOTAL
                            18165      20003      24002      24101      25004
                             ug/L    mg/L Ca    mg/L Cr    mg/L Cr    mg/L Mn


 NO. OF L-FLAGGED VALUES        4          0         36         12          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          4          0          0         36
 MEAN                       0.075      5.767      0.005      0.020       0.07
 MINIMUM                    0.000      4.620      0.005      0.020       0.01
 DATE OF MINIMUM       1987-08-04 1985-05-28 1985-01-08 1985-01-08 1987-05-19
 10TH PERCENTILE                                  0.005      0.020       0.01
 MEDIAN                     0.100      6.040      0.005      0.020       0.05
 90TH PERCENTILE                                  0.005      0.020       0.15
 MAXIMUM                    0.100      6.370      0.005      0.020       0.28
 DATE OF MAXIMUM       1986-02-04 1985-02-12 1987-12-08 1985-12-10 1986-05-20
 STANDARD DEVIATION         0.050      0.805      0.000      0.000       0.06




                               Mn         Fe         Ni         Cu         Zn
                             DISS      TOTAL      TOTAL      TOTAL      TOTAL
                            25104      26004      28001      29006      30004
                          mg/L Mn    mg/L Fe    mg/L Ni    mg/L Cu    mg/L Zn


 NO. OF L-FLAGGED VALUES        0          0         12         16          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3         36          0         20         35
 MEAN                        0.13       0.63      0.005      0.002      0.003
 MINIMUM                                0.06      0.005      0.001      0.001
 DATE OF MINIMUM                  1987-12-08 1985-01-08 1985-02-12 1985-11-12
 10TH PERCENTILE                        0.12      0.005      0.001      0.001
 MEDIAN                                 0.29      0.005      0.001      0.002
 90TH PERCENTILE                        1.05      0.005      0.002      0.005
 MAXIMUM                                6.80      0.005      0.007      0.030
 DATE OF MAXIMUM                  1986-05-20 1985-12-10 1986-05-20 1986-05-20
 STANDARD DEVIATION                     1.15      0.000      0.001      0.005




                               As         Se   FAEC COL       FAEC         Cd
                            TOTAL      TOTAL                 STREP      TOTAL
                            33007      34002      36011      36101      48001
                          mg/L As    mg/L Se   No/100ml   No/100ml    mg/L Cd


 NO. OF L-FLAGGED VALUES        9         10          0          0         33
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0         34         12          3
 MEAN                       0.001      0.001       924.       352.      0.000
 MINIMUM                    0.001      0.001        40.        33.      0.001
 DATE OF MINIMUM       1985-02-12 1985-02-12 1985-06-11 1985-12-10 1985-01-08
 10TH PERCENTILE                       0.001       134.        36.      0.001
 MEDIAN                     0.001      0.001       490.       155.      0.001
 90TH PERCENTILE                       0.001      1742.       444.      0.001
 MAXIMUM                    0.001      0.001      5400.      2400.      0.001
 DATE OF MAXIMUM       1987-11-17 1987-11-17 1985-07-09 1985-10-15 1987-12-08
 STANDARD DEVIATION         0.000      0.000      1093.       658.      0.000




                               Cd         Ba         Pb         Pb       INST
                             DISS      TOTAL      TOTAL       DISS     DISCHG
                            48101      80011      82001      82101      97160
                          mg/L Cd    ug/L Hg    mg/L Pb    mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES       35         12         22         27          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          0         14          8         36
 MEAN                       0.000      0.417      0.003      0.003      119.0
 MINIMUM                    0.001      0.001      0.002      0.002       45.0
 DATE OF MINIMUM       1985-01-08 1987-02-17 1985-01-08 1985-01-08 1986-01-21
 10TH PERCENTILE            0.001      0.001      0.002      0.002       51.8
 MEDIAN                     0.001      0.500      0.002      0.002       86.2
 90TH PERCENTILE            0.001      0.500      0.004      0.003      172.1
 MAXIMUM                    0.001      0.500      0.010      0.006      392.5
 DATE OF MAXIMUM       1987-12-08 1986-11-11 1986-05-20 1985-12-10 1985-07-09
 STANDARD DEVIATION         0.000      0.194      0.002      0.001       76.1





 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  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-01-22 TO 1987-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP    PHENOLS         CN     NO3NO2
                             COND                                            
                            02041      02062      06532      06606      07105
                            us/cm      deg C       mg/L    mg/L Cn     mg/L N


 NO. OF L-FLAGGED VALUES        0          0         12         36          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36          0          0         12
 MEAN                         76.       13.1      0.005      0.005       0.38
 MINIMUM                      41.        1.0      0.005      0.005       0.29
 DATE OF MINIMUM       1985-07-16 1985-01-22 1985-01-22 1985-01-22 1985-09-03
 10TH PERCENTILE              51.        4.3      0.005      0.005       0.29
 MEDIAN                       68.       12.8      0.005      0.005       0.38
 90TH PERCENTILE             104.       21.6      0.005      0.005       0.45
 MAXIMUM                     128.       24.0      0.005      0.005       0.47
 DATE OF MAXIMUM       1986-12-02 1985-09-03 1985-12-03 1987-12-15 1985-07-16
 STANDARD DEVIATION           20.        6.9      0.000      0.000       0.06




                            NO2-N      NO3-N        NH3         O2        BOD
                                                              DISS           
                            07207      07313      07554      08102      08201
                           mg/L N     mg/L N     mg/L N    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       24         24         36         36         34
 MEAN                        0.01       0.34       0.11       10.8         1.
 MINIMUM                     0.00       0.24       0.03        7.0         0.
 DATE OF MINIMUM       1986-01-07 1987-09-01 1985-08-06 1985-09-03 1987-08-04
 10TH PERCENTILE             0.00       0.25       0.05        8.5         0.
 MEDIAN                      0.00       0.34       0.10       10.2         1.
 90TH PERCENTILE             0.01       0.42       0.17       13.5         1.
 MAXIMUM                     0.02       0.49       0.24       16.8         2.
 DATE OF MAXIMUM       1986-12-02 1986-07-01 1986-03-04 1987-11-10 1985-01-22
 STANDARD DEVIATION          0.00       0.07       0.05        2.2         0.




                           PERM V        ALK        ALK         pH   SUSP SOL
                                       TOTAL      TOTAL               105 DEG
                            08401      10102      10120      10301      10401
                          mg/L O2       mg/L      MEQ/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       12         24         12         36         35
 MEAN                          4.      18.22       0.33        7.1         8.
 MINIMUM                       3.      12.80       0.21        6.7         1.
 DATE OF MINIMUM       1985-10-01 1986-07-01 1985-07-16 1986-04-01 1987-11-10
 10TH PERCENTILE               3.      14.60       0.21        6.9         3.
 MEDIAN                        4.      17.95       0.32        7.1         5.
 90TH PERCENTILE               5.      21.75       0.45        7.3        12.
 MAXIMUM                       6.      23.00       0.49        7.4        59.
 DATE OF MAXIMUM       1985-01-22 1986-11-04 1985-01-22 1986-11-04 1985-07-16
 STANDARD DEVIATION            1.       2.69       0.09        0.2        10.




                             TENS         Mg    P ORTHO   SULPHATE         Cl
                          ANIONIC      TOTAL      TOTAL                  DISS
                            10702      12002      15205      16306      17204
                             mg/L    mg/L Mg     mg/L P   mg/L SO4    mg/L Cl


 NO. OF L-FLAGGED VALUES        3          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        9          4         36          6         36
 MEAN                         0.0         1.      0.008         7.         5.
 MINIMUM                      0.0         1.      0.002         5.         2.
 DATE OF MINIMUM       1985-02-05 1985-11-05 1985-02-05 1986-08-05 1985-07-16
 10TH PERCENTILE              0.0                 0.003                    3.
 MEDIAN                       0.0         1.      0.007         6.         5.
 90TH PERCENTILE              0.0                 0.012                    9.
 MAXIMUM                      0.0         1.      0.037        10.        10.
 DATE OF MAXIMUM       1985-09-03 1985-02-05 1985-07-16 1985-02-05 1986-12-02
 STANDARD DEVIATION           0.0         0.      0.007         2.         2.




                         DIELDRIN       PCBS         Ca         Cr         Cr
                                                  TOTAL      TOTAL        HEX
                            18150      18165      20003      24002      24101
                             ug/L       ug/L    mg/L Ca    mg/L Cr    mg/L Cr


 NO. OF L-FLAGGED VALUES        1          5          0         36         12
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          4          0          0
 MEAN                       0.005      0.060      6.895      0.005      0.020
 MINIMUM                               0.000      5.400      0.005      0.020
 DATE OF MINIMUM                  1987-02-03 1985-11-05 1985-01-22 1985-01-22
 10TH PERCENTILE                                             0.005      0.020
 MEDIAN                                0.100      6.125      0.005      0.020
 90TH PERCENTILE                                             0.005      0.020
 MAXIMUM                               0.100      9.930      0.005      0.020
 DATE OF MAXIMUM                  1986-02-18 1985-02-05 1987-12-15 1985-12-03
 STANDARD DEVIATION                    0.055      2.056      0.000      0.000




                               Mn         Mn         Fe         Ni         Cu
                            TOTAL       DISS      TOTAL      TOTAL      TOTAL
                            25004      25104      26004      28001      29006
                          mg/L Mn    mg/L Mn    mg/L Fe    mg/L Ni    mg/L Cu


 NO. OF L-FLAGGED VALUES        0          0          0         12         14
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          3         36          0         22
 MEAN                        0.03       0.01       0.18      0.005      0.001
 MINIMUM                     0.01                  0.06      0.005      0.000
 DATE OF MINIMUM       1985-11-05            1987-02-03 1985-01-22 1987-02-03
 10TH PERCENTILE             0.01                  0.08      0.005      0.001
 MEDIAN                      0.02                  0.12      0.005      0.001
 90TH PERCENTILE             0.03                  0.28      0.005      0.001
 MAXIMUM                     0.15                  1.23      0.005      0.002
 DATE OF MAXIMUM       1986-04-01            1985-07-16 1985-12-03 1986-11-04
 STANDARD DEVIATION          0.02                  0.20      0.000      0.000




                               Zn         As         Se   FAEC COL       FAEC
                            TOTAL      TOTAL      TOTAL                 STREP
                            30004      33007      34002      36011      36101
                          mg/L Zn    mg/L As    mg/L Se   No/100ml   No/100ml


 NO. OF L-FLAGGED VALUES        0          9          8          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35          0          0         34         12
 MEAN                       0.012      0.001      0.001      4065.       106.
 MINIMUM                    0.004      0.001      0.001        70.         8.
 DATE OF MINIMUM       1985-06-04 1985-02-05 1985-02-05 1986-12-02 1985-01-22
 10TH PERCENTILE            0.005                             186.        10.
 MEDIAN                     0.008      0.001      0.001       665.        36.
 90TH PERCENTILE            0.016                            2940.       278.
 MAXIMUM                    0.060      0.001      0.001     92000.       540.
 DATE OF MAXIMUM       1986-11-04 1987-11-10 1987-11-10 1987-10-06 1985-08-06
 STANDARD DEVIATION         0.012      0.000      0.000     15787.       166.




                               Cd         Cd         Ba         Pb         Pb
                            TOTAL       DISS      TOTAL      TOTAL       DISS
                            48001      48101      80011      82001      82101
                          mg/L Cd    mg/L Cd    ug/L Hg    mg/L Pb    mg/L Pb


 NO. OF L-FLAGGED VALUES       32         33          9         22         24
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        4          3          1         14         11
 MEAN                       0.001      0.000      0.430      0.003      0.003
 MINIMUM                    0.001      0.001      0.001      0.002      0.002
 DATE OF MINIMUM       1985-01-22 1985-01-22 1987-02-03 1985-01-22 1985-01-22
 10TH PERCENTILE            0.001      0.001      0.001      0.002      0.002
 MEDIAN                     0.001      0.001      0.500      0.002      0.002
 90TH PERCENTILE            0.001      0.001      0.500      0.004      0.004
 MAXIMUM                    0.001      0.001      0.800      0.007      0.007
 DATE OF MAXIMUM       1985-12-03 1987-12-15 1987-06-09 1985-12-03 1986-05-06
 STANDARD DEVIATION         0.000      0.000      0.245      0.001      0.001




                             INST
                           DISCHG
                            97160
                             m3/S


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES       36
 MEAN                       246.5
 MINIMUM                     68.2
 DATE OF MINIMUM       1985-02-05
 10TH PERCENTILE             73.4
 MEDIAN                     151.2
 90TH PERCENTILE            492.8
 MAXIMUM                    916.6
 DATE OF MAXIMUM       1985-07-16
 STANDARD DEVIATION         205.1





 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  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-01-09 TO 1987-12-07

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP    PHENOLS         CN   CHLORO A
                             COND                                            
                            02041      02062      06532      06606      06711
                            us/cm      deg C       mg/L    mg/L Cn       mg/L


 NO. OF L-FLAGGED VALUES        0          0         12         36          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36          0          0         17
 MEAN                         77.       13.2      0.005      0.005     0.0022
 MINIMUM                      39.        2.2      0.005      0.005     0.0004
 DATE OF MINIMUM       1985-07-08 1987-01-12 1985-01-09 1985-01-09 1987-01-12
 10TH PERCENTILE              53.        2.6      0.005      0.005     0.0005
 MEDIAN                       74.       13.1      0.005      0.005     0.0016
 90TH PERCENTILE             107.       24.3      0.005      0.005     0.0038
 MAXIMUM                     120.       27.0      0.005      0.005     0.0091
 DATE OF MAXIMUM       1986-12-01 1985-08-05 1985-12-02 1987-12-07 1986-09-01
 STANDARD DEVIATION           19.        7.9      0.000      0.000     0.0021




                           NO3NO2      NO2-N      NO3-N        NH3         O2
                                                                         DISS
                            07105      07207      07313      07554      08102
                           mg/L N     mg/L N     mg/L N     mg/L N    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12         24         24         35         36
 MEAN                        0.37       0.01       0.41       0.07       10.7
 MINIMUM                     0.21       0.00       0.30       0.01        7.3
 DATE OF MINIMUM       1985-08-05 1986-07-07 1986-09-01 1985-04-01 1987-07-06
 10TH PERCENTILE             0.23       0.01       0.33       0.03        8.2
 MEDIAN                      0.38       0.01       0.40       0.06       10.9
 90TH PERCENTILE             0.44       0.01       0.49       0.13       13.5
 MAXIMUM                     0.48       0.02       0.55       0.22       15.0
 DATE OF MAXIMUM       1985-04-01 1986-12-01 1987-01-12 1987-02-02 1987-06-16
 STANDARD DEVIATION          0.07       0.00       0.06       0.05        2.0




                              BOD     PERM V          F        ALK        ALK
                                                   DISS      TOTAL      TOTAL
                            08201      08401      09105      10102      10120
                          mg/L O2    mg/L O2     mg/L F       mg/L      MEQ/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          2         24         12
 MEAN                          1.         5.        0.1      18.36       0.34
 MINIMUM                       0.         3.                 11.00       0.22
 DATE OF MINIMUM       1985-10-07 1985-10-07            1986-04-14 1985-07-08
 10TH PERCENTILE               0.         3.                 15.00       0.22
 MEDIAN                        1.         4.                 18.00       0.31
 90TH PERCENTILE               1.         6.                 22.75       0.40
 MAXIMUM                       2.         7.                 26.70       0.50
 DATE OF MAXIMUM       1986-01-13 1985-07-08            1986-12-01 1985-02-06
 STANDARD DEVIATION            0.         1.                  3.38       0.08




                               pH   SUSP SOL       TENS         Na         Na
                                     105 DEG    ANIONIC       DISS       DISS
                            10301      10401      10702      11102      11105
                         pH UNITS       mg/L       mg/L    mg/L Na    mg/L Na


 NO. OF L-FLAGGED VALUES        0          0          7          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36          5          1          1
 MEAN                         7.5         7.        0.0         8.         6.
 MINIMUM                      7.0         1.        0.0                      
 DATE OF MINIMUM       1985-07-08 1986-09-01 1985-03-06                      
 10TH PERCENTILE              7.2         2.        0.0                      
 MEDIAN                       7.5         4.        0.0                      
 90TH PERCENTILE              7.8         8.        0.0                      
 MAXIMUM                      8.4        66.        0.0                      
 DATE OF MAXIMUM       1985-08-05 1985-07-08 1985-12-02                      
 STANDARD DEVIATION           0.3        13.        0.0                      




                               Mg         Mg         Si    P ORTHO          P
                            TOTAL       DISS   REACTIVE      TOTAL      TOTAL
                            12002      12103      14101      15205      15405
                          mg/L Mg    mg/L Mg   mg/LSiO2     mg/L P     mg/L P


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          2          2         36         18
 MEAN                          1.         1.      10.00      0.022      0.038
 MINIMUM                                                     0.006      0.020
 DATE OF MINIMUM                                        1986-08-05 1987-05-11
 10TH PERCENTILE                                             0.013      0.022
 MEDIAN                                                      0.020      0.037
 90TH PERCENTILE                                             0.033      0.049
 MAXIMUM                                                     0.050      0.056
 DATE OF MAXIMUM                                        1985-04-01 1986-06-02
 STANDARD DEVIATION                                          0.009      0.010




                         SULPHATE         Cl       PCBS          K         Ca
                                        DISS                  DISS      TOTAL
                            16306      17204      18165      19105      20003
                         mg/L SO4    mg/L Cl       ug/L     mg/L K    mg/L Ca


 NO. OF L-FLAGGED VALUES        0          0          5          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        5         36          0          2          2
 MEAN                          9.         6.      0.100        1.2      8.000
 MINIMUM                       7.         2.      0.100                      
 DATE OF MINIMUM       1986-08-05 1985-07-08 1985-02-06                      
 10TH PERCENTILE                          4.                                 
 MEDIAN                        8.         6.      0.100                      
 90TH PERCENTILE                          9.                                 
 MAXIMUM                      14.        10.      0.100                      
 DATE OF MAXIMUM       1986-02-03 1986-12-01 1987-08-03                      
 STANDARD DEVIATION            3.         2.      0.000                      




                               Ca         Ca         Cr         Cr         Mn
                             DISS       DISS      TOTAL        HEX      TOTAL
                            20101      20103      24002      24101      25004
                          mg/L Ca    mg/L Ca    mg/L Cr    mg/L Cr    mg/L Mn


 NO. OF L-FLAGGED VALUES        0          0         36         12          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          0          0         36
 MEAN                       6.300     10.100      0.005      0.018       0.02
 MINIMUM                                          0.005      0.002       0.01
 DATE OF MINIMUM                             1985-01-09 1985-02-06 1985-11-11
 10TH PERCENTILE                                  0.005      0.006       0.01
 MEDIAN                                           0.005      0.020       0.02
 90TH PERCENTILE                                  0.005      0.020       0.03
 MAXIMUM                                          0.005      0.020       0.04
 DATE OF MAXIMUM                             1987-12-07 1985-12-02 1985-04-01
 STANDARD DEVIATION                               0.000      0.005       0.01




                               Mn         Fe         Fe         Ni         Cu
                             DISS      TOTAL       DISS      TOTAL      TOTAL
                            25104      26004      26104      28001      29006
                          mg/L Mn    mg/L Fe    mg/L Fe    mg/L Ni    mg/L Cu


 NO. OF L-FLAGGED VALUES        2          0          0         12          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       22         36         24          0         33
 MEAN                        0.01       0.19       0.02      0.005      0.001
 MINIMUM                     0.00       0.01       0.00      0.005      0.001
 DATE OF MINIMUM       1986-08-05 1987-11-09 1986-09-01 1985-01-09 1985-01-09
 10TH PERCENTILE             0.00       0.08       0.01      0.005      0.001
 MEDIAN                      0.01       0.13       0.02      0.005      0.001
 90TH PERCENTILE             0.02       0.24       0.02      0.005      0.002
 MAXIMUM                     0.03       1.20       0.04      0.005      0.003
 DATE OF MAXIMUM       1986-03-17 1985-07-08 1986-01-13 1985-12-02 1985-12-02
 STANDARD DEVIATION          0.01       0.24       0.01      0.000      0.001




                               Cu         Zn         Zn         As         Se
                             DISS      TOTAL       DISS      TOTAL      TOTAL
                            29105      30004      30104      33003      34002
                          mg/L Cu    mg/L Zn    mg/L Zn    mg/L As    mg/L Se


 NO. OF L-FLAGGED VALUES        3          0          1          4          6
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       19         36         23          2          0
 MEAN                       0.001      0.007      0.005      0.001      0.001
 MINIMUM                    0.001      0.003      0.001      0.001      0.001
 DATE OF MINIMUM       1986-01-13 1985-10-07 1987-05-11 1985-02-06 1985-02-06
 10TH PERCENTILE            0.001      0.003      0.001                      
 MEDIAN                     0.001      0.006      0.003      0.001      0.001
 90TH PERCENTILE            0.002      0.012      0.012                      
 MAXIMUM                    0.002      0.018      0.012      0.001      0.001
 DATE OF MAXIMUM       1987-01-12 1986-03-17 1987-01-12 1987-08-03 1987-08-03
 STANDARD DEVIATION         0.000      0.004      0.004      0.000      0.000




                         COLIFORM   FAEC COL       FAEC         Cd         Ba
                            TOTAL                 STREP      TOTAL      TOTAL
                            36001      36011      36101      48001      80011
                         No/100ml   No/100ml   No/100ml    mg/L Cd    ug/L Hg


 NO. OF L-FLAGGED VALUES        0          0          0         36         10
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       18         36         12          0          0
 MEAN                       1779.       514.        25.      0.001      0.950
 MINIMUM                     130.         2.         2.      0.001      0.500
 DATE OF MINIMUM       1987-04-06 1986-02-03 1985-09-02 1985-01-09 1985-02-06
 10TH PERCENTILE             218.        49.         2.      0.001      0.500
 MEDIAN                     1350.       240.         8.      0.001      0.500
 90TH PERCENTILE            3610.       920.        41.      0.001      0.500
 MAXIMUM                    5400.      3500.       170.      0.005      5.000
 DATE OF MAXIMUM       1987-02-02 1986-01-13 1985-07-08 1987-09-07 1985-11-11
 STANDARD DEVIATION         1576.       709.        47.      0.001      1.423




                               Pb         Pb       INST
                            TOTAL       DISS     DISCHG
                            82001      82101      97160
                          mg/L Pb    mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES       35          1          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES        1          0         33
 MEAN                       0.002      0.002      184.6
 MINIMUM                    0.002                  61.2
 DATE OF MINIMUM       1985-01-09            1987-05-11
 10TH PERCENTILE            0.002                  71.2
 MEDIAN                     0.002                 128.9
 90TH PERCENTILE            0.002                 328.9
 MAXIMUM                    0.010                1189.3
 DATE OF MAXIMUM       1985-07-08            1985-07-08
 STANDARD DEVIATION         0.001                 201.6





 STATION - LAKE BIWA OFF MIIDERA                    STATION NO. 080012
 COUNTRY - JAPAN                                    DEPTH(M)       2.7
 LOCATION - OCT. 2  LAT. 35/00/45  LONG. 135/51/56  ELEVATION(M)  84.4
 REGIONAL CENTRE - WPRA                             WATER TYPE   LAKE       

 PERIOD REQUESTED FROM  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-01-23 TO 1987-12-16

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP        TOC        CO2    PHENOLS
                             COND                             DISS           
                            02041      02061      06001      06402      06532
                            us/cm      deg C     mg/L C       mg/L       mg/L


 NO. OF L-FLAGGED VALUES        0          0          0          2          4
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         21          4          2
 MEAN                        115.       16.8         2.         1.      0.001
 MINIMUM                     101.        4.0         1.         0.      0.001
 DATE OF MINIMUM       1986-07-16 1985-12-19 1986-04-16 1985-05-15 1985-01-23
 10TH PERCENTILE             109.        4.6         2.                      
 MEDIAN                      115.       18.0         2.         2.      0.001
 90TH PERCENTILE             121.       28.8         3.                      
 MAXIMUM                     126.       31.1         3.         3.      0.001
 DATE OF MAXIMUM       1987-09-16 1985-09-04 1987-08-19 1985-01-23 1985-06-12
 STANDARD DEVIATION            5.        8.9         0.         1.      0.000




                               CN     NO3NO2      NO2-N      NO3-N      NO3-N
                                                                             
                            06606      07105      07207      07306      07313
                          mg/L Cn     mg/L N     mg/L N     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES       36          0         10          1          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          6         20          5         23
 MEAN                       0.010       0.25       0.00       0.10       0.11
 MINIMUM                    0.010       0.10       0.00       0.01       0.01
 DATE OF MINIMUM       1985-01-23 1985-05-15 1985-08-07 1985-07-24 1986-06-18
 10TH PERCENTILE            0.010                  0.00                  0.01
 MEDIAN                     0.010       0.25       0.00       0.11       0.07
 90TH PERCENTILE            0.010                  0.00                  0.22
 MAXIMUM                    0.010       0.44       0.01       0.21       0.37
 DATE OF MAXIMUM       1987-12-16 1985-02-20 1987-04-15 1985-11-13 1987-02-18
 STANDARD DEVIATION         0.000       0.12       0.00       0.08       0.09




                              NH3        NH3         O2        BOD     PERM V
                                                   DISS                      
                            07553      07555      08101      08201      08401
                           mg/L N     mg/L N    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        6         30         36         36         36
 MEAN                        0.08       0.07       10.6         2.         1.
 MINIMUM                     0.03       0.01        7.9         1.         1.
 DATE OF MINIMUM       1985-06-12 1986-05-21 1985-08-07 1985-01-23 1986-03-05
 10TH PERCENTILE                        0.01        8.8         1.         1.
 MEDIAN                      0.09       0.05       11.0         2.         1.
 90TH PERCENTILE                        0.12       12.1         3.         2.
 MAXIMUM                     0.12       0.14       12.8         5.         2.
 DATE OF MAXIMUM       1985-01-23 1987-07-08 1985-01-23 1985-09-04 1985-09-04
 STANDARD DEVIATION          0.04       0.04        1.3         1.         0.




                                F        ALK        ALK         pH   SUSP SOL
                             DISS      TOTAL      TOTAL               105 DEG
                            09105      10102      10120      10302      10401
                           mg/L F       mg/L      MEQ/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         30          6         36         36
 MEAN                         0.1      29.58       0.57        8.0         7.
 MINIMUM                      0.1      26.50       0.53        7.3         1.
 DATE OF MINIMUM       1985-02-20 1986-07-16 1985-03-13 1985-02-20 1987-01-21
 10TH PERCENTILE              0.1      27.10                   7.4         4.
 MEDIAN                       0.1      29.50       0.56        7.9         7.
 90TH PERCENTILE              0.1      31.50                   8.9        11.
 MAXIMUM                      0.1      32.10       0.62        9.3        19.
 DATE OF MAXIMUM       1985-09-04 1987-09-16 1985-05-15 1985-09-04 1986-04-16
 STANDARD DEVIATION           0.0       1.54       0.04        0.6         3.




                             TENS         Na         Mg         Mg    P ORTHO
                          ANIONIC       DISS      TOTAL       DISS      TOTAL
                            10702      11105      12003      12103      15205
                             mg/L    mg/L Na    mg/L Mg    mg/L Mg     mg/L P


 NO. OF L-FLAGGED VALUES        0          0          0          0         27
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6         36          6         30          3
 MEAN                         0.0         7.         2.         2.      0.010
 MINIMUM                      0.0         6.         2.         1.      0.010
 DATE OF MINIMUM       1985-01-23 1987-12-16 1985-01-23 1985-07-24 1985-07-24
 10TH PERCENTILE                          6.                    1.      0.010
 MEDIAN                       0.0         7.         2.         2.      0.010
 90TH PERCENTILE                          8.                    2.      0.010
 MAXIMUM                      0.0        11.         2.         2.      0.010
 DATE OF MAXIMUM       1985-06-12 1987-04-15 1985-04-03 1987-04-15 1987-12-16
 STANDARD DEVIATION           0.0         1.         0.         0.      0.000




                            PO4-P          P   SULPHATE         Cl        DDT
                              SOL      TOTAL                  DISS      TOTAL
                            15254      15405      16306      17201      18002
                         mg/L PO4     mg/L P   mg/L SO4    mg/L Cl       ug/L


 NO. OF L-FLAGGED VALUES        5          1          0          0          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1         35         36         36          0
 MEAN                       0.010      0.029        10.         9.      0.010
 MINIMUM                    0.010      0.010         8.         5.           
 DATE OF MINIMUM       1985-01-23 1985-01-23 1986-01-22 1985-10-16           
 10TH PERCENTILE                       0.016         9.         8.           
 MEDIAN                     0.010      0.030        10.         9.           
 90TH PERCENTILE                       0.040        12.        10.           
 MAXIMUM                    0.010      0.070        13.        11.           
 DATE OF MAXIMUM       1985-06-12 1985-04-03 1985-01-23 1985-12-19           
 STANDARD DEVIATION         0.000      0.013         1.         1.           





                           ALDRIN   DIELDRIN       PCBS          K         Ca
                                                              DISS       DISS
                            18130      18150      18165      19105      20101
                             ug/L       ug/L       ug/L     mg/L K    mg/L Ca


 NO. OF L-FLAGGED VALUES        3          3          3          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0         36         36
 MEAN                       0.001      0.001      0.500        1.6     12.981
 MINIMUM                                                       1.0      9.600
 DATE OF MINIMUM                                        1985-07-24 1985-03-13
 10TH PERCENTILE                                               1.1     10.400
 MEDIAN                                                        1.5     11.400
 90TH PERCENTILE                                               2.6     12.260
 MAXIMUM                                                       3.5     70.800
 DATE OF MAXIMUM                                        1986-05-21 1986-03-05
 STANDARD DEVIATION                                            0.6      9.936




                               Cr         Cr         Mn         Mn         Fe
                            TOTAL        HEX      TOTAL       DISS      TOTAL
                            24002      24101      25004      25104      26004
                          mg/L Cr    mg/L Cr    mg/L Mn    mg/L Mn    mg/L Fe


 NO. OF L-FLAGGED VALUES       36          6          2          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0         28          5         36
 MEAN                       0.010      0.010       0.02       0.01       0.15
 MINIMUM                    0.010      0.010       0.01       0.01       0.01
 DATE OF MINIMUM       1985-01-23 1985-01-23 1985-07-24 1985-01-23 1985-05-15
 10TH PERCENTILE            0.010                  0.01                  0.07
 MEDIAN                     0.010      0.010       0.02       0.01       0.13
 90TH PERCENTILE            0.010                  0.03                  0.22
 MAXIMUM                    0.010      0.010       0.04       0.02       0.52
 DATE OF MAXIMUM       1987-12-16 1985-06-12 1986-12-10 1985-06-12 1985-01-23
 STANDARD DEVIATION         0.000      0.000       0.01       0.00       0.09




                               Cu         Zn         As         As   COLIFORM
                            TOTAL      TOTAL      TOTAL       DISS      TOTAL
                            29006      30004      33003      33103      36001
                          mg/L Cu    mg/L Zn    mg/L As    mg/L As   No/100ml


 NO. OF L-FLAGGED VALUES       27         19         30          6          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        9         17          0          0         21
 MEAN                       0.010      0.010      0.010      0.010      1015.
 MINIMUM                    0.010      0.010      0.010      0.010        23.
 DATE OF MINIMUM       1985-01-23 1985-01-23 1985-07-24 1985-01-23 1987-09-16
 10TH PERCENTILE            0.010      0.010      0.010                   43.
 MEDIAN                     0.010      0.010      0.010      0.010       230.
 90TH PERCENTILE            0.010      0.010      0.010                 2300.
 MAXIMUM                    0.010      0.020      0.010      0.010      9300.
 DATE OF MAXIMUM       1987-12-16 1985-02-20 1987-12-16 1985-06-12 1986-07-16
 STANDARD DEVIATION         0.000      0.002      0.000      0.000      2043.




                         FAEC COL    PHYTOP.         Cd         Ba         Pb
                                       COUNT      TOTAL      TOTAL      TOTAL
                            36011      36304      48001      80011      82001
                         No/100ml     No./ml    mg/L Cd    ug/L Hg    mg/L Pb


 NO. OF L-FLAGGED VALUES        0          0         36         36         36
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       15          6          0          0          0
 MEAN                        217.      1520.      0.009      0.292      0.010
 MINIMUM                       9.       310.      0.000      0.001      0.010
 DATE OF MINIMUM       1985-01-23 1985-04-03 1985-09-04 1985-01-23 1985-01-23
 10TH PERCENTILE               9.                 0.001      0.001      0.010
 MEDIAN                       43.       785.      0.010      0.500      0.010
 90TH PERCENTILE             680.                 0.010      0.500      0.010
 MAXIMUM                     930.      3500.      0.010      0.500      0.010
 DATE OF MAXIMUM       1986-02-19 1985-05-15 1985-08-07 1987-12-16 1987-12-16
 STANDARD DEVIATION          311.      1472.      0.003      0.250      0.000





 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  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-01-23 TO 1987-12-16

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP        TOC        CO2    PHENOLS
                             COND                             DISS           
                            02041      02061      06001      06402      06532
                            us/cm      deg C     mg/L C       mg/L       mg/L


 NO. OF L-FLAGGED VALUES        0          0          0          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         21          6          5
 MEAN                        187.       16.1         3.         4.      0.001
 MINIMUM                     110.        4.7         1.         2.      0.001
 DATE OF MINIMUM       1986-07-16 1986-01-22 1986-07-16 1985-05-15 1985-01-23
 10TH PERCENTILE             134.        5.6         2.                      
 MEDIAN                      188.       16.3         3.         4.      0.001
 90TH PERCENTILE             235.       27.0         3.                      
 MAXIMUM                     274.       29.5         4.         6.      0.003
 DATE OF MAXIMUM       1986-12-10 1985-09-04 1986-10-15 1985-01-23 1985-05-15
 STANDARD DEVIATION           38.        8.2         1.         1.      0.001




                               CN     NO3NO2      NO2-N      NO3-N      NO3-N
                                                                             
                            06606      07105      07207      07306      07313
                          mg/L Cn     mg/L N     mg/L N     mg/L N     mg/L N


 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          6         30          6         24
 MEAN                       0.010       0.90       0.05       0.68       0.79
 MINIMUM                    0.010       0.71       0.01       0.46       0.42
 DATE OF MINIMUM       1985-01-23 1985-06-12 1986-07-16 1985-10-16 1986-07-16
 10TH PERCENTILE            0.010                  0.03                  0.51
 MEDIAN                     0.010       0.84       0.05       0.65       0.77
 90TH PERCENTILE            0.010                  0.08                  1.01
 MAXIMUM                    0.010       1.18       0.10       0.95       1.14
 DATE OF MAXIMUM       1987-12-16 1985-01-23 1986-11-12 1985-11-13 1987-02-18
 STANDARD DEVIATION         0.000       0.18       0.02       0.19       0.19




                              NH3        NH3        NH3         O2        BOD
                                                              DISS           
                            07553      07555      07556      08101      08201
                           mg/L N     mg/L N     mg/L N    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        6         18         12         36         36
 MEAN                        0.93       0.76       0.99        8.5         4.
 MINIMUM                     0.37       0.25       0.14        5.9         1.
 DATE OF MINIMUM       1985-06-12 1985-07-24 1986-05-21 1985-09-04 1985-07-24
 10TH PERCENTILE                        0.26       0.14        6.5         2.
 MEDIAN                      0.70       0.68       1.12        8.5         4.
 90TH PERCENTILE                        1.29       1.70       10.5         6.
 MAXIMUM                     2.54       1.87       1.82       11.6        10.
 DATE OF MAXIMUM       1985-01-23 1987-01-21 1986-12-10 1985-12-18 1987-02-18
 STANDARD DEVIATION          0.81       0.48       0.70        1.6         2.




                           PERM V          F        ALK        ALK         pH
                                        DISS      TOTAL      TOTAL           
                            08401      09105      10102      10120      10302
                          mg/L O2     mg/L F       mg/L      MEQ/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         30          6         36
 MEAN                          3.        0.1      37.71       0.73        7.3
 MINIMUM                       2.        0.1      21.90       0.61        7.2
 DATE OF MINIMUM       1986-08-06 1987-10-21 1986-05-21 1985-04-03 1986-05-21
 10TH PERCENTILE               2.        0.1      30.20                   7.2
 MEDIAN                        2.        0.1      38.10       0.69        7.3
 90TH PERCENTILE               4.        0.1      44.00                   7.4
 MAXIMUM                       5.        0.2      51.80       0.97        7.5
 DATE OF MAXIMUM       1986-06-18 1985-09-04 1986-12-10 1985-01-23 1986-04-16
 STANDARD DEVIATION            1.        0.0       6.31       0.13        0.1




                         SUSP SOL       TENS         Na         Mg         Mg
                          105 DEG    ANIONIC       DISS      TOTAL       DISS
                            10401      10702      11105      12003      12103
                             mg/L       mg/L    mg/L Na    mg/L Mg    mg/L Mg


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          6         36          6         30
 MEAN                         31.        0.1        17.         2.         2.
 MINIMUM                      12.        0.1         8.         2.         1.
 DATE OF MINIMUM       1987-04-15 1985-04-03 1986-07-16 1985-01-23 1985-07-24
 10TH PERCENTILE              15.                   10.                    2.
 MEDIAN                       20.        0.1        16.         2.         2.
 90TH PERCENTILE              60.                   25.                    3.
 MAXIMUM                     116.        0.2        30.         3.         3.
 DATE OF MAXIMUM       1986-06-18 1985-01-23 1986-12-10 1985-03-13 1986-12-10
 STANDARD DEVIATION           23.        0.0         6.         0.         0.




                          P ORTHO      PO4-P          P   SULPHATE         Cl
                            TOTAL        SOL      TOTAL                  DISS
                            15205      15254      15405      16306      17201
                           mg/L P   mg/L PO4     mg/L P   mg/L SO4    mg/L Cl


 NO. OF L-FLAGGED VALUES        1          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       29          6         36         36         36
 MEAN                       0.085      0.082      0.179        22.        15.
 MINIMUM                    0.010      0.040      0.060        11.         8.
 DATE OF MINIMUM       1985-07-24 1985-04-03 1986-07-16 1986-07-16 1985-10-16
 10TH PERCENTILE            0.020                 0.086        13.         9.
 MEDIAN                     0.085      0.070      0.180        22.        16.
 90TH PERCENTILE            0.140                 0.249        30.        20.
 MAXIMUM                    0.200      0.160      0.320        38.        22.
 DATE OF MAXIMUM       1986-12-10 1985-01-23 1987-02-18 1985-01-23 1985-01-23
 STANDARD DEVIATION         0.043      0.041      0.063         6.         4.





                              DDT     ALDRIN   DIELDRIN       PCBS          K
                            TOTAL                                        DISS
                            18002      18130      18150      18165      19105
                             ug/L       ug/L       ug/L       ug/L     mg/L K


 NO. OF L-FLAGGED VALUES        3          3          3          3          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          0         36
 MEAN                       0.010      0.001      0.001      0.500        3.1
 MINIMUM                                                                  1.4
 DATE OF MINIMUM                                                   1985-07-24
 10TH PERCENTILE                                                          2.0
 MEDIAN                                                                   2.8
 90TH PERCENTILE                                                          4.6
 MAXIMUM                                                                  6.1
 DATE OF MAXIMUM                                                   1986-02-19
 STANDARD DEVIATION                                                       1.1




                               Ca         Cr         Cr         Mn         Mn
                             DISS      TOTAL        HEX      TOTAL       DISS
                            20101      24002      24101      25004      25104
                          mg/L Ca    mg/L Cr    mg/L Cr    mg/L Mn    mg/L Mn


 NO. OF L-FLAGGED VALUES        0         36          6          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          0          0         30          6
 MEAN                      13.742      0.010      0.010       0.06       0.05
 MINIMUM                   10.000      0.010      0.010       0.03       0.03
 DATE OF MINIMUM       1986-05-21 1985-01-23 1985-01-23 1985-07-24 1985-04-03
 10TH PERCENTILE           11.800      0.010                  0.04           
 MEDIAN                    14.000      0.010      0.010       0.05       0.05
 90TH PERCENTILE           15.260      0.010                  0.10           
 MAXIMUM                   16.200      0.010      0.010       0.18       0.08
 DATE OF MAXIMUM       1986-12-10 1987-12-16 1985-06-12 1986-06-18 1985-02-20
 STANDARD DEVIATION         1.413      0.000      0.000       0.03       0.02




                               Fe         Cu         Zn         As         As
                            TOTAL      TOTAL      TOTAL      TOTAL       DISS
                            26004      29006      30004      33003      33103
                          mg/L Fe    mg/L Cu    mg/L Zn    mg/L As    mg/L As


 NO. OF L-FLAGGED VALUES        0         15          1         30          6
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         21         35          0          0
 MEAN                        0.82      0.010      0.016      0.010      0.010
 MINIMUM                     0.26      0.010      0.010      0.010      0.010
 DATE OF MINIMUM       1985-06-12 1985-01-23 1985-04-03 1985-07-24 1985-01-23
 10TH PERCENTILE             0.33      0.010      0.010      0.010           
 MEDIAN                      0.53      0.010      0.010      0.010      0.010
 90TH PERCENTILE             1.42      0.010      0.023      0.010           
 MAXIMUM                     3.95      0.020      0.040      0.010      0.010
 DATE OF MAXIMUM       1986-06-18 1986-06-18 1986-06-18 1987-12-16 1985-06-12
 STANDARD DEVIATION          0.73      0.002      0.008      0.000      0.000




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


 NO. OF L-FLAGGED VALUES        0          0         36         36         36
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       21         15          0          0          0
 MEAN                     1.8E+05    2.2E+05      0.009      0.292      0.010
 MINIMUM                  2.3E+04    1.5E+04      0.000      0.000      0.000
 DATE OF MINIMUM       1986-04-16 1985-03-13 1985-06-12 1985-06-12 1985-06-12
 10TH PERCENTILE          4.3E+04    2.9E+04      0.001      0.001      0.010
 MEDIAN                   2.3E+05    2.3E+05      0.010      0.500      0.010
 90TH PERCENTILE          2.3E+05    4.3E+05      0.010      0.500      0.010
 MAXIMUM                  4.3E+05    9.3E+05      0.010      0.500      0.010
 DATE OF MAXIMUM       1987-11-11 1985-05-15 1987-12-16 1987-12-16 1985-05-15
 STANDARD DEVIATION       1.2E+05    2.4E+05      0.003      0.250      0.002




                             INST
                           DISCHG
                            97160
                             m3/S


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES       36
 MEAN                       195.8
 MINIMUM                     66.1
 DATE OF MINIMUM       1986-12-10
 10TH PERCENTILE             86.2
 MEDIAN                     140.7
 90TH PERCENTILE            353.2
 MAXIMUM                    821.0
 DATE OF MAXIMUM       1986-07-16
 STANDARD DEVIATION         171.0





 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  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-01-09 TO 1987-12-16

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP    PHENOLS         CN     N KJEL
                             COND                                            
                            02041      02061      06532      06606      07001
                            us/cm      deg C       mg/L    mg/L Cn     mg/L N


 NO. OF L-FLAGGED VALUES        0          0         15         36          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       72         72          0          0         36
 MEAN                         70.       13.6      0.002      0.005        0.1
 MINIMUM                      50.        3.7      0.002      0.005        0.0
 DATE OF MINIMUM       1986-04-17 1985-02-25 1985-01-09 1985-01-09 1986-06-27
 10TH PERCENTILE              56.        4.3      0.002      0.005        0.0
 MEDIAN                       69.       13.9      0.002      0.005        0.1
 90TH PERCENTILE              85.       22.2      0.002      0.005        0.2
 MAXIMUM                      99.       26.1      0.002      0.005        0.2
 DATE OF MAXIMUM       1986-03-03 1985-09-04 1986-03-24 1987-12-07 1987-03-25
 STANDARD DEVIATION           11.        6.7      0.000      0.000        0.0




                           NO3NO2      NO2-N      NO3-N        NH3         O2
                                                                         DISS
                            07105      07207      07313      07556      08101
                           mg/L N     mg/L N     mg/L N     mg/L N    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       30         36         42         72         72
 MEAN                        0.42       0.00       0.41       0.03       10.4
 MINIMUM                     0.35       0.00       0.29       0.01        7.0
 DATE OF MINIMUM       1985-11-25 1986-07-03 1987-09-02 1986-06-27 1986-03-24
 10TH PERCENTILE             0.36       0.00       0.34       0.02        8.5
 MEDIAN                      0.41       0.00       0.42       0.03       10.2
 90TH PERCENTILE             0.47       0.01       0.48       0.05       12.6
 MAXIMUM                     0.49       0.01       0.61       0.08       13.2
 DATE OF MAXIMUM       1985-06-27 1987-03-25 1986-08-25 1985-09-18 1985-02-25
 STANDARD DEVIATION          0.04       0.00       0.06       0.02        1.6




                              BOD     PERM V          F        ALK        ALK
                                                   DISS      TOTAL      TOTAL
                            08201      08401      09110      10102      10120
                          mg/L O2    mg/L O2     mg/L F       mg/L      MEQ/L


 NO. OF L-FLAGGED VALUES        0          0         13          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       72         30          8         42         30
 MEAN                          1.         1.        0.1      14.49       0.29
 MINIMUM                       0.         1.        0.1       9.00       0.20
 DATE OF MINIMUM       1987-07-29 1985-01-09 1986-04-17 1986-04-03 1985-03-04
 10TH PERCENTILE               0.         1.        0.1      10.76       0.21
 MEDIAN                        1.         1.        0.1      14.10       0.28
 90TH PERCENTILE               1.         1.        0.1      19.44       0.36
 MAXIMUM                       2.         1.        0.1      21.20       0.44
 DATE OF MAXIMUM       1986-12-15 1985-06-27 1986-12-03 1986-12-15 1985-09-18
 STANDARD DEVIATION            0.         0.        0.0       3.13       0.06





                               pH   SUSP SOL       TENS         Na         Na
                                     105 DEG    ANIONIC      TOTAL       DISS
                            10301      10401      10702      11002      11102
                         pH UNITS       mg/L       mg/L    mg/L Na    mg/L Na


 NO. OF L-FLAGGED VALUES        0          0         15          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       72         72          0         15         21
 MEAN                         7.3         4.        0.1         6.         5.
 MINIMUM                      7.0         2.        0.1         4.         3.
 DATE OF MINIMUM       1985-02-06 1985-01-09 1985-01-09 1985-05-13 1986-04-17
 10TH PERCENTILE              7.1         2.        0.1         4.         4.
 MEDIAN                       7.3         3.        0.1         6.         5.
 90TH PERCENTILE              7.4         8.        0.1         9.         6.
 MAXIMUM                      7.6        14.        0.1        10.         6.
 DATE OF MAXIMUM       1985-10-02 1987-03-25 1986-03-24 1985-01-09 1987-12-07
 STANDARD DEVIATION           0.2         3.        0.0         2.         1.




                               Mg         Mg    P ORTHO          P   SULPHATE
                            TOTAL       DISS      TOTAL      TOTAL           
                            12003      12103      15205      15405      16306
                          mg/L Mg    mg/L Mg     mg/L P     mg/L P   mg/L SO4


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       15         21         36         36         36
 MEAN                          1.         1.      0.010      0.022         5.
 MINIMUM                       1.         1.      0.004      0.008         4.
 DATE OF MINIMUM       1985-03-25 1986-07-17 1985-08-26 1987-12-07 1985-06-27
 10TH PERCENTILE               1.         1.      0.006      0.013         4.
 MEDIAN                        1.         1.      0.009      0.021         5.
 90TH PERCENTILE               1.         1.      0.014      0.034         7.
 MAXIMUM                       2.         1.      0.022      0.047         9.
 DATE OF MAXIMUM       1985-01-09 1986-08-25 1986-08-25 1986-08-25 1987-08-03
 STANDARD DEVIATION            0.         0.      0.004      0.008         1.




                               Cl    P,P-DDT        DDT    O,P-DDT    P,P-DDD
                             DISS                 TOTAL                      
                            17204      18000      18002      18005      18010
                          mg/L Cl       ug/L       ug/L       ug/L       ug/L


 NO. OF L-FLAGGED VALUES        0          5          6          5          5
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       72          0          0          0          0
 MEAN                          7.      0.100      0.100      0.100      0.100
 MINIMUM                       4.      0.100      0.100      0.100      0.100
 DATE OF MINIMUM       1987-07-29 1985-03-25 1986-09-08 1985-03-25 1985-03-25
 10TH PERCENTILE               5.                                            
 MEDIAN                        7.      0.100      0.100      0.100      0.100
 90TH PERCENTILE              11.                                            
 MAXIMUM                      14.      0.100      0.100      0.100      0.100
 DATE OF MAXIMUM       1986-03-03 1986-03-24 1987-10-28 1986-03-24 1986-03-24
 STANDARD DEVIATION            2.      0.000      0.000      0.000      0.000




                          P,P-DDE     ALPHA-     ALDRIN   DIELDRIN       PCBS
                                         BHC                                 
                            18020      18075      18130      18150      18165
                             ug/L       ug/L       ug/L       ug/L       ug/L


 NO. OF L-FLAGGED VALUES        5          5         12         12         12
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          0          0
 MEAN                       0.100      0.010      0.010      0.100      0.500
 MINIMUM                    0.100      0.010      0.010      0.100      0.500
 DATE OF MINIMUM       1985-03-25 1985-03-25 1985-03-25 1985-03-25 1985-03-25
 10TH PERCENTILE                                  0.010      0.100      0.500
 MEDIAN                     0.100      0.010      0.010      0.100      0.500
 90TH PERCENTILE                                  0.010      0.100      0.500
 MAXIMUM                    0.100      0.010      0.010      0.100      0.500
 DATE OF MAXIMUM       1986-03-24 1986-03-24 1987-10-28 1987-10-28 1987-10-28
 STANDARD DEVIATION         0.000      0.000      0.000      0.000      0.000




                              BHC          K          K         Ca         Cr
                                       TOTAL       DISS       DISS      TOTAL
                            18814      19002      19102      20101      24002
                             ug/L     mg/L K     mg/L K    mg/L Ca    mg/L Cr


 NO. OF L-FLAGGED VALUES        5          0          0          0         36
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         15         21         36          0
 MEAN                       0.010        0.9        0.9      5.333      0.005
 MINIMUM                    0.010        0.7        0.5      3.600      0.005
 DATE OF MINIMUM       1985-03-25 1985-02-06 1986-04-17 1986-04-17 1985-01-09
 10TH PERCENTILE                         0.7        0.7      3.760      0.005
 MEDIAN                     0.010        0.9        0.9      5.300      0.005
 90TH PERCENTILE                         1.2        1.1      7.030      0.005
 MAXIMUM                    0.010        1.3        1.4      7.600      0.005
 DATE OF MAXIMUM       1986-03-24 1985-09-04 1986-08-25 1986-08-25 1987-12-07
 STANDARD DEVIATION         0.000        0.2        0.2      1.141      0.000




                               Cr         Mn         Fe         Cu         Zn
                              HEX      TOTAL      TOTAL      TOTAL      TOTAL
                            24101      25004      26002      29006      30004
                          mg/L Cr    mg/L Mn    mg/L Fe    mg/L Cu    mg/L Zn


 NO. OF L-FLAGGED VALUES       15          0          0         36         30
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         36         36          0          6
 MEAN                       0.005       0.02       0.17      0.005      0.005
 MINIMUM                    0.005       0.01       0.09      0.005      0.005
 DATE OF MINIMUM       1985-01-09 1985-03-25 1985-08-26 1985-01-09 1985-01-09
 10TH PERCENTILE            0.005       0.01       0.09      0.005      0.005
 MEDIAN                     0.005       0.02       0.14      0.005      0.005
 90TH PERCENTILE            0.005       0.02       0.26      0.005      0.005
 MAXIMUM                    0.005       0.04       0.57      0.005      0.007
 DATE OF MAXIMUM       1986-03-24 1987-12-07 1985-06-27 1987-12-07 1987-05-08
 STANDARD DEVIATION         0.000       0.01       0.09      0.000      0.000




                               As         Se   COLIFORM   FAEC COL         Cd
                            TOTAL      TOTAL      TOTAL                 TOTAL
                            33007      34002      36001      36011      48002
                          mg/L As    mg/L Se   No/100ml   No/100ml    mg/L Cd


 NO. OF L-FLAGGED VALUES       36         36          0          0         36
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0         42         72          0
 MEAN                       0.005      0.001     14286.      1882.      0.001
 MINIMUM                    0.005      0.001      1100.        79.      0.001
 DATE OF MINIMUM       1985-01-09 1985-01-09 1987-02-23 1985-01-09 1985-01-09
 10TH PERCENTILE            0.005      0.001      2400.       272.      0.001
 MEDIAN                     0.005      0.001      7900.       790.      0.001
 90TH PERCENTILE            0.005      0.001     32800.      4900.      0.001
 MAXIMUM                    0.005      0.001     92000.     13000.      0.001
 DATE OF MAXIMUM       1987-12-07 1987-12-07 1986-12-15 1986-12-15 1987-12-07
 STANDARD DEVIATION         0.000      0.000     17625.      2498.      0.000




                               Ba         Pb       INST
                            TOTAL      TOTAL     DISCHG
                            80011      82002      97160
                          ug/L Hg    mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES       36         36          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES        0          0         72
 MEAN                       0.500      0.005       79.9
 MINIMUM                    0.500      0.005       10.6
 DATE OF MINIMUM       1985-01-09 1985-01-09 1986-12-03
 10TH PERCENTILE            0.500      0.005       20.6
 MEDIAN                     0.500      0.005       52.4
 90TH PERCENTILE            0.500      0.005      154.3
 MAXIMUM                    0.500      0.005      474.3
 DATE OF MAXIMUM       1987-12-07 1987-12-07 1985-06-27
 STANDARD DEVIATION         0.000      0.000       77.5



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GEMS/WATER
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Last updated: 2001-07-30