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STATISTICS FOR CANADA

STATISTICS FOR CANADA


GEMS/WATER - STATISTICAL SUMMARY BY STATION     2002-01-08   PAGE  63

 STATION - MACKENZIE RIVER                          STATION NO. 039001
 COUNTRY - CANADA                                   DEPTH(M)      25.0
 LOCATION - OCT. 1  LAT. 67/27/30  LONG. 133/42/00  ELEVATION(M)  15.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1988-01-04 TO 1990-11-08

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP          B     NO3NO2          F
                             COND                  DISS                  DISS
                            02041      02061      05105      07105      09106
                            us/cm      deg C     mg/L B     mg/L N     mg/L F


 NO. OF L-FLAGGED VALUES        0          0          0          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1         20          1         17         16
 MEAN                        306.       10.7        0.1       0.06        0.1
 MINIMUM                                 0.0                  0.00        0.1
 DATE OF MINIMUM                  1989-01-06            1990-04-26 1988-08-17
 10TH PERCENTILE                         0.0                  0.02        0.1
 MEDIAN                                 11.5                  0.05        0.1
 90TH PERCENTILE                        25.0                  0.12        0.1
 MAXIMUM                                25.0                  0.15        0.1
 DATE OF MAXIMUM                  1988-06-03            1989-04-28 1989-09-26
 STANDARD DEVIATION                      8.9                  0.04        0.0




                               pH   SUSP SOL         Na         Mg         Si
                                     105 DEG       DISS       DISS   REACTIVE
                            10301      10401      11103      12102      14101
                         pH UNITS       mg/L    mg/L Na    mg/L Mg   mg/LSiO2


 NO. OF L-FLAGGED VALUES        0          1          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       22         17         22         18         12
 MEAN                         7.9        31.         8.         8.       3.52
 MINIMUM                      7.1         1.         0.         0.       3.15
 DATE OF MINIMUM       1990-04-26 1990-04-26 1990-04-26 1990-04-26 1988-09-28
 10TH PERCENTILE              7.5         1.         5.         5.       3.15
 MEDIAN                       8.0        29.         8.         9.       3.47
 90TH PERCENTILE              8.1        64.        11.        10.       3.79
 MAXIMUM                      8.1        76.        13.        10.       4.09
 DATE OF MAXIMUM       1988-10-13 1988-08-17 1989-04-28 1989-01-06 1989-01-06
 STANDARD DEVIATION           0.2        28.         3.         2.       0.29




                                P          P   SULPHATE         Cl          K
                             DISS       PART                  DISS       DISS
                            15103      15901      16306      17203      19103
                           mg/L P     mg/L P   mg/L SO4    mg/L Cl     mg/L K


 NO. OF L-FLAGGED VALUES        2          1          1          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          0         21         18         21
 MEAN                       0.005      0.006        32.         9.        0.9
 MINIMUM                    0.003                    0.         0.        0.0
 DATE OF MINIMUM       1988-01-04            1990-04-26 1990-04-26 1990-04-26
 10TH PERCENTILE                                    23.         3.        0.7
 MEDIAN                     0.003                   34.         8.        0.9
 90TH PERCENTILE                                    39.        14.        1.0
 MAXIMUM                    0.010                   48.        16.        1.2
 DATE OF MAXIMUM       1988-06-03            1990-10-11 1989-04-28 1989-04-28
 STANDARD DEVIATION         0.004                    9.         4.        0.2



                               Ca         Ni         Cu         Zn         Cd
                             DISS      TOTAL      TOTAL      TOTAL      TOTAL
                            20103      28002      29005      30005      48002
                          mg/L Ca    mg/L Ni    mg/L Cu    MG/L ZN    mg/L Cd


 NO. OF L-FLAGGED VALUES        1          1          1          0         15
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       21         21         20         19          7
 MEAN                      34.025      0.005      0.004      0.011      0.000
 MINIMUM                    0.050      0.001      0.001      0.001      0.000
 DATE OF MINIMUM       1990-04-26 1990-04-26 1990-04-26 1990-04-26 1988-01-04
 10TH PERCENTILE           30.060      0.001      0.001      0.001      0.000
 MEDIAN                    36.750      0.002      0.002      0.004      0.000
 90TH PERCENTILE           38.780      0.009      0.007      0.025      0.000
 MAXIMUM                   42.400      0.023      0.018      0.068      0.001
 DATE OF MAXIMUM       1988-01-04 1988-07-11 1988-07-11 1988-07-11 1988-07-11
 STANDARD DEVIATION         8.444      0.006      0.004      0.016      0.000




                               Ba         Pb
                            TOTAL      TOTAL
                            56001      82002
                          mg/L Ba    mg/L Pb


 NO. OF L-FLAGGED VALUES        2          9
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        2         13
 MEAN                         0.1      0.002
 MINIMUM                      0.1      0.001
 DATE OF MINIMUM       1988-02-09 1988-01-04
 10TH PERCENTILE                       0.001
 MEDIAN                       0.1      0.001
 90TH PERCENTILE                       0.004
 MAXIMUM                      0.2      0.008
 DATE OF MAXIMUM       1988-06-03 1988-07-11
 STANDARD DEVIATION           0.0      0.002





 STATION - NELSON RIVER                             STATION NO. 039002
 COUNTRY - CANADA                                   DEPTH(M)    9999.9
 LOCATION - OCT. 1  LAT. 56/22/59  LONG. 094/34/59  ELEVATION(M)9999.9
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1988-04-15 TO 1990-05-25

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             TEMP          B     NO3NO2          F         pH
                                        DISS                  DISS           
                            02061      05105      07105      09106      10301
                            deg C     mg/L B     mg/L N     mg/L F   pH UNITS


 NO. OF L-FLAGGED VALUES        0          0          3          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6          5          3          6          7
 MEAN                        11.4        0.1       0.01        0.1        7.9
 MINIMUM                      0.5        0.0       0.01        0.1        7.8
 DATE OF MINIMUM       1990-05-25 1988-10-19 1989-05-18 1988-10-19 1988-04-15
 10TH PERCENTILE                                                             
 MEDIAN                      11.5        0.1       0.01        0.1        7.8
 90TH PERCENTILE                                                             
 MAXIMUM                     25.0        0.1       0.01        0.1        8.2
 DATE OF MAXIMUM       1988-04-15 1989-08-03 1989-08-03 1989-11-03 1988-10-19
 STANDARD DEVIATION          10.8        0.0       0.00        0.0        0.1




                         SUSP SOL         Na         Mg         Si          P
                          105 DEG       DISS       DISS   REACTIVE       DISS
                            10401      11103      12102      14101      15103
                             mg/L    mg/L Na    mg/L Mg   mg/LSiO2     mg/L P


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6          7          6          5          1
 MEAN                          8.        11.         8.       1.53      0.011
 MINIMUM                       5.         8.         7.       0.83           
 DATE OF MINIMUM       1989-08-03 1988-10-19 1988-10-19 1989-05-18           
 10TH PERCENTILE                                                             
 MEDIAN                        6.        11.         8.       1.42           
 90TH PERCENTILE                                                             
 MAXIMUM                      15.        14.        10.       2.56           
 DATE OF MAXIMUM       1989-11-03 1989-11-03 1989-11-03 1988-10-19           
 STANDARD DEVIATION            4.         2.         1.       0.63           




                                P          P   SULPHATE         Cl          K
                            TOTAL       PART                  DISS       DISS
                            15405      15901      16306      17203      19103
                           mg/L P     mg/L P   mg/L SO4    mg/L Cl     mg/L K


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        5          1          7          6          7
 MEAN                       0.035      0.014        17.        12.        1.8
 MINIMUM                    0.023                   12.         8.        1.5
 DATE OF MINIMUM       1989-08-03            1988-10-19 1988-10-19 1988-10-19
 10TH PERCENTILE                                                             
 MEDIAN                     0.033                   17.        12.        1.9
 90TH PERCENTILE                                                             
 MAXIMUM                    0.060                   23.        15.        2.0
 DATE OF MAXIMUM       1989-05-18            1989-11-03 1989-11-03 1990-05-25
 STANDARD DEVIATION         0.015                    4.         3.        0.2



                               Ca         Ni         Cu         Zn         Cd
                             DISS      TOTAL      TOTAL      TOTAL      TOTAL
                            20103      28002      29005      30005      48002
                          mg/L Ca    mg/L Ni    mg/L Cu    MG/L ZN    mg/L Cd


 NO. OF L-FLAGGED VALUES        0          0          0          0          2
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        7          7          7          7          4
 MEAN                      25.957      0.001      0.001      0.003      0.000
 MINIMUM                   24.500      0.001      0.001      0.002      0.000
 DATE OF MINIMUM       1988-10-19 1989-08-03 1990-05-25 1989-08-03 1988-10-19
 10TH PERCENTILE                                                             
 MEDIAN                    25.500      0.001      0.001      0.002      0.000
 90TH PERCENTILE                                                             
 MAXIMUM                   28.200      0.002      0.002      0.003      0.000
 DATE OF MAXIMUM       1989-11-03 1989-11-03 1989-11-03 1989-05-18 1989-11-03
 STANDARD DEVIATION         1.413      0.000      0.000      0.001      0.000




                               Ba         Pb
                            TOTAL      TOTAL
                            56001      82002
                          mg/L Ba    mg/L Pb


 NO. OF L-FLAGGED VALUES        1          3
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        0          3
 MEAN                         0.1      0.001
 MINIMUM                               0.001
 DATE OF MINIMUM                  1988-10-19
 10TH PERCENTILE                            
 MEDIAN                                0.001
 90TH PERCENTILE                            
 MAXIMUM                               0.001
 DATE OF MAXIMUM                  1989-08-03
 STANDARD DEVIATION                    0.000




 STATION - ST. LAWRENCE RIVER                       STATION NO. 039003
 COUNTRY - CANADA                                   DEPTH(M)       5.0
 LOCATION - OCT. 0  LAT. 45/24/00  LONG. 073/38/00  ELEVATION(M)  15.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1988-03-01 TO 1988-10-24

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


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


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          2          2          3          2
 MEAN                       2.885      2.895       298.       13.3       0.14
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               O2        ALK         pH   SUSP SOL         Na
                             DISS      TOTAL               105 DEG       DISS
                            08102      10101      10301      10401      11105
                          mg/L O2       mg/L   pH UNITS       mg/L    mg/L Na


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          2          3          3          4
 MEAN                        11.5      86.20        8.2         4.        11.
 MINIMUM                                                                  10.
 DATE OF MINIMUM                                                   1988-05-03
 10TH PERCENTILE                                                             
 MEDIAN                                                                   11.
 90TH PERCENTILE                                                             
 MAXIMUM                                                                  11.
 DATE OF MAXIMUM                                                   1988-08-01
 STANDARD DEVIATION                                                        1.




                               Mg   SULPHATE         Cl          K         Ca
                             DISS                  DISS       DISS       DISS
                            12102      16306      17203      19102      20103
                          mg/L Mg   mg/L SO4    mg/L Cl     mg/L K    mg/L Ca


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3          4          1          3          4
 MEAN                          8.        27.        22.        1.4     34.925
 MINIMUM                                 24.                           33.600
 DATE OF MINIMUM                  1988-05-03                       1988-05-03
 10TH PERCENTILE                                                             
 MEDIAN                                  27.                           34.700
 90TH PERCENTILE                                                             
 MAXIMUM                                 29.                           36.700
 DATE OF MAXIMUM                  1988-08-01                       1988-03-01
 STANDARD DEVIATION                       2.                            1.355



                               Mn         Ni         Cu         Cd         Ba
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            25004      28002      29005      48002      80011
                          mg/L Mn    mg/L Ni    mg/L Cu    mg/L Cd    ug/L Hg


 NO. OF L-FLAGGED VALUES        0          0          0          2          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          2          2          0          0
 MEAN                        0.01      0.001      0.001      0.000      0.010
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Pb
                            TOTAL
                            82002
                          mg/L Pb


 NO. OF L-FLAGGED VALUES        2
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES        0
 MEAN                       0.001
 MINIMUM                         
 DATE OF MINIMUM                 
 10TH PERCENTILE                 
 MEDIAN                          
 90TH PERCENTILE                 
 MAXIMUM                         
 DATE OF MAXIMUM                 
 STANDARD DEVIATION              





 STATION - SASKATCHEWAN RIVER                       STATION NO. 039004
 COUNTRY - CANADA                                   DEPTH(M)       5.0
 LOCATION - OCT. 1  LAT. 53/50/30  LONG. 101/20/06  ELEVATION(M) 258.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1988-01-20 TO 1990-12-12

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP          B     NO3NO2         O2
                             COND                  DISS                  DISS
                            02041      02061      05105      07105      08101
                            us/cm      deg C     mg/L B     mg/L N    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          6          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2         31         25         22         30
 MEAN                        476.       11.2        0.1       0.10       10.3
 MINIMUM                                 0.0        0.0       0.01        7.2
 DATE OF MINIMUM                  1989-02-16 1989-05-23 1988-05-25 1990-07-24
 10TH PERCENTILE                         0.0        0.0       0.01        8.1
 MEDIAN                                 12.0        0.1       0.03       10.3
 90TH PERCENTILE                        22.0        0.1       0.30       12.1
 MAXIMUM                                25.0        0.1       0.35       12.6
 DATE OF MAXIMUM                  1988-03-16 1989-03-21 1990-03-28 1988-12-12
 STANDARD DEVIATION                      9.5        0.0       0.11        1.6




                                F          F         pH   SUSP SOL         Na
                             DISS       DISS               105 DEG       DISS
                            09105      09106      10301      10401      11103
                           mg/L F     mg/L F   pH UNITS       mg/L    mg/L Na


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        9         13         31         30         31
 MEAN                         0.2        0.2        7.9        34.        18.
 MINIMUM                      0.1        0.1        7.2         3.         6.
 DATE OF MINIMUM       1989-10-11 1988-08-22 1989-03-21 1989-04-18 1990-06-20
 10TH PERCENTILE                         0.1        7.6         9.        13.
 MEDIAN                       0.2        0.2        7.9        26.        18.
 90TH PERCENTILE                         0.2        8.2        64.        23.
 MAXIMUM                      0.2        0.2        8.3        90.        41.
 DATE OF MAXIMUM       1989-07-11 1989-01-10 1989-08-01 1989-09-13 1990-09-17
 STANDARD DEVIATION           0.0        0.0        0.3        24.         6.




                               Mg         Al         Si          P          P
                             DISS       DISS   REACTIVE       DISS      TOTAL
                            12102      13102      14101      15103      15405
                          mg/L Mg    mg/L Al   mg/LSiO2     mg/L P     mg/L P


 NO. OF L-FLAGGED VALUES        0         31          1          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       30          0         20          3         21
 MEAN                         16.      0.100       1.70      0.010      0.043
 MINIMUM                      12.      0.100       0.02                 0.020
 DATE OF MINIMUM       1990-05-16 1988-01-20 1989-09-13            1989-04-18
 10TH PERCENTILE              13.      0.100       0.03                 0.025
 MEDIAN                       15.      0.100       1.45                 0.039
 90TH PERCENTILE              19.      0.100       2.90                 0.070
 MAXIMUM                      42.      0.100       7.71                 0.077
 DATE OF MAXIMUM       1990-09-17 1990-12-12 1988-05-25            1989-09-13
 STANDARD DEVIATION            6.      0.000       1.75                 0.017



                                P   SULPHATE         Cl    P,P-DDT    O,P-DDT
                             PART                  DISS                      
                            15901      16306      17203      18000      18005
                           mg/L P   mg/L SO4    mg/L Cl       ug/L       ug/L


 NO. OF L-FLAGGED VALUES        0          0          0          3          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3         31         28          0          0
 MEAN                       0.015        52.        11.      0.004      0.001
 MINIMUM                                 36.         4.                      
 DATE OF MINIMUM                  1990-08-14 1990-07-24                      
 10TH PERCENTILE                         38.         5.                      
 MEDIAN                                  51.         9.                      
 90TH PERCENTILE                         66.        11.                      
 MAXIMUM                                 70.        54.                      
 DATE OF MAXIMUM                  1988-02-16 1990-06-20                      
 STANDARD DEVIATION                      10.        11.                      




                          P,P-DDD    P,P-DDE    LINDANE     ALPHA-      MIREX
                                                               BHC           
                            18010      18020      18070      18075      18125
                             ug/L       ug/L       ug/L       ug/L       ug/L


 NO. OF L-FLAGGED VALUES        1          2          7          0          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0         20          2          0
 MEAN                       0.002      0.001      0.002      0.002      0.001
 MINIMUM                                          0.001                      
 DATE OF MINIMUM                             1988-05-25                      
 10TH PERCENTILE                                  0.001                      
 MEDIAN                                           0.001                      
 90TH PERCENTILE                                  0.005                      
 MAXIMUM                                          0.007                      
 DATE OF MAXIMUM                             1990-05-16                      
 STANDARD DEVIATION                               0.002                      




                           ALDRIN     ENDRIN   DIELDRIN   ATRAZINE      2,4-D
                                                                             
                            18130      18140      18150      18415      18503
                             ug/L       ug/L       ug/L       ug/L       ug/L


 NO. OF L-FLAGGED VALUES       30          3         29         27         19
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          1          8
 MEAN                       0.001      0.002      0.002        0.1       0.04
 MINIMUM                    0.001                 0.002        0.1       0.03
 DATE OF MINIMUM       1988-01-20            1988-01-20 1988-08-22 1988-05-25
 10TH PERCENTILE            0.001                 0.002        0.1       0.03
 MEDIAN                     0.001                 0.002        0.1       0.03
 90TH PERCENTILE            0.001                 0.002        0.1       0.05
 MAXIMUM                    0.001                 0.002        0.1       0.08
 DATE OF MAXIMUM       1990-12-12            1990-12-12 1988-07-12 1989-02-16
 STANDARD DEVIATION         0.000                 0.000        0.0       0.01



                                K         Ca         Cr         Mn         Fe
                             DISS       DISS      TOTAL       DISS       DISS
                            19103      20103      24002      25104      26104
                           mg/L K    mg/L Ca    mg/L Cr    mg/L Mn    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0          2          7          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       31         31         26         22         28
 MEAN                         2.7     45.477      0.002       0.02       0.02
 MINIMUM                      1.9     31.600      0.000       0.00       0.01
 DATE OF MINIMUM       1989-12-12 1990-05-16 1989-08-01 1988-05-25 1988-07-12
 10TH PERCENTILE              2.0     34.840      0.000       0.00       0.01
 MEDIAN                       2.3     44.700      0.001       0.00       0.02
 90TH PERCENTILE              2.5     53.970      0.004       0.01       0.03
 MAXIMUM                      9.5     73.500      0.016       0.29       0.06
 DATE OF MAXIMUM       1990-09-17 1990-09-17 1990-08-14 1988-08-22 1989-09-13
 STANDARD DEVIATION           1.6      9.524      0.003       0.05       0.01




                               Ni         Cu         Zn   COLIFORM   FAEC COL
                            TOTAL      TOTAL      TOTAL      TOTAL           
                            28002      29005      30005      36002      36012
                          mg/L Ni    mg/L Cu    MG/L ZN   No/100ml   No/100ml


 NO. OF L-FLAGGED VALUES        0          0          0          4         14
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       31         31         29         21         17
 MEAN                       0.003      0.002      0.006         4.         3.
 MINIMUM                    0.001      0.001      0.002         2.         2.
 DATE OF MINIMUM       1989-04-18 1989-01-10 1988-06-22 1988-05-25 1988-01-20
 10TH PERCENTILE            0.002      0.001      0.003         2.         2.
 MEDIAN                     0.002      0.002      0.004         3.         2.
 90TH PERCENTILE            0.004      0.003      0.010         9.         5.
 MAXIMUM                    0.009      0.007      0.016        17.        15.
 DATE OF MAXIMUM       1990-08-14 1988-03-16 1989-04-18 1990-06-20 1988-06-22
 STANDARD DEVIATION         0.002      0.001      0.003         4.         3.




                               Cd         Ba         Ba         Pb
                            TOTAL      TOTAL      TOTAL      TOTAL
                            48002      56001      80011      82002
                          mg/L Cd    mg/L Ba    ug/L Hg    mg/L Pb


 NO. OF L-FLAGGED VALUES       22          3         29         14
 NO. OF G-FLAGGED VALUES        0          0          0          0
 NO. OF UNFLAGGED VALUES        8          0          0         16
 MEAN                       0.000        0.1      0.010      0.001
 MINIMUM                    0.000                 0.010      0.001
 DATE OF MINIMUM       1988-01-20            1988-03-16 1988-01-20
 10TH PERCENTILE            0.000                 0.010      0.001
 MEDIAN                     0.000                 0.010      0.001
 90TH PERCENTILE            0.000                 0.010      0.002
 MAXIMUM                    0.000                 0.010      0.002
 DATE OF MAXIMUM       1989-04-18            1990-12-12 1990-10-23
 STANDARD DEVIATION         0.000                 0.000      0.001





 STATION - SLAVE RIVER                              STATION NO. 039005
 COUNTRY - CANADA                                   DEPTH(M)      10.0
 LOCATION - OCT. 1  LAT. 59/52/10  LONG. 111/35/10  ELEVATION(M) 170.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1988-01-20 TO 1990-11-19

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP          B   CARBONAT     NO3NO2
                             COND                  DISS                      
                            02041      02061      05105      06301      07105
                            us/cm      deg C     mg/L B   mg/LHC03     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1         16          1         38         12
 MEAN                        236.        2.6        0.1         7.       0.04
 MINIMUM                                 0.0                    3.       0.01
 DATE OF MINIMUM                  1988-04-21            1989-03-02 1988-07-25
 10TH PERCENTILE                         0.0                    3.       0.01
 MEDIAN                                  0.1                    5.       0.05
 90TH PERCENTILE                         8.6                   10.       0.08
 MAXIMUM                                15.0                   20.       0.08
 DATE OF MAXIMUM                  1988-08-08            1988-07-25 1989-03-02
 STANDARD DEVIATION                      4.9                    3.       0.03




                                F         pH   SUSP SOL         Na         Mg
                             DISS               105 DEG       DISS       DISS
                            09106      10301      10401      11103      12102
                           mg/L F   pH UNITS       mg/L    mg/L Na    mg/L Mg


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       15         16         16         15         16
 MEAN                         0.1        7.4        23.         6.         6.
 MINIMUM                      0.1        1.6         0.         5.         0.
 DATE OF MINIMUM       1988-10-31 1989-12-11 1988-08-08 1988-09-29 1989-12-11
 10TH PERCENTILE              0.1        4.9         0.         5.         3.
 MEDIAN                       0.1        7.8        10.         6.         6.
 90TH PERCENTILE              0.1        8.2        48.         7.         7.
 MAXIMUM                      0.1        8.2        81.         8.         7.
 DATE OF MAXIMUM       1988-07-25 1988-08-08 1988-05-09 1988-12-19 1988-07-25
 STANDARD DEVIATION           0.0        1.6        24.         1.         2.




                               Al         Si          P   SULPHATE         Cl
                            TOTAL   REACTIVE      TOTAL                  DISS
                            13009      14101      15405      16306      17203
                          mg/L Al   mg/LSiO2     mg/L P   mg/L SO4    mg/L Cl


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         15         15         15         15
 MEAN                      82.381       4.08      0.111        17.         6.
 MINIMUM                   64.000       3.06      0.012        11.         3.
 DATE OF MINIMUM       1988-09-29 1988-09-29 1989-03-02 1989-03-02 1988-07-25
 10TH PERCENTILE           74.660       3.19      0.013        12.         4.
 MEDIAN                    80.950       3.99      0.050        16.         6.
 90TH PERCENTILE           92.380       4.87      0.297        22.         7.
 MAXIMUM                   95.700       4.98      0.520        28.        10.
 DATE OF MAXIMUM       1990-07-11 1989-01-24 1988-07-25 1988-07-25 1988-10-31
 STANDARD DEVIATION         6.975       0.65      0.150         4.         2.



                                K         Ca         Cr         Fe         Ni
                             DISS       DISS      TOTAL      TOTAL      TOTAL
                            19103      20103      24009      26009      28002
                           mg/L K    mg/L Ca    mg/L Cr    mg/L Fe    mg/L Ni


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       16         16          1          1         16
 MEAN                         7.6     26.238      7.100       4.59      0.008
 MINIMUM                      0.7     16.400                            0.001
 DATE OF MINIMUM       1988-10-31 1989-12-11                       1989-03-02
 10TH PERCENTILE              0.7     19.100                            0.001
 MEDIAN                       0.9     26.750                            0.003
 90TH PERCENTILE              2.7     29.660                            0.014
 MAXIMUM                    103.4     30.700                            0.060
 DATE OF MAXIMUM       1989-12-11 1988-07-25                       1989-12-11
 STANDARD DEVIATION          25.6      3.618                            0.015




                               Cu         Zn         Cd         Ba         Pb
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            29005      30005      48002      80011      82002
                          mg/L Cu    MG/L ZN    mg/L Cd    ug/L Hg    mg/L Pb


 NO. OF L-FLAGGED VALUES        0          0          5          4          5
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       16         16         10          2         10
 MEAN                       0.007      0.455      0.008      0.013      0.002
 MINIMUM                    0.001      0.001      0.000      0.010      0.001
 DATE OF MINIMUM       1988-10-31 1988-10-31 1988-10-31 1988-10-31 1988-10-31
 10TH PERCENTILE            0.001      0.001      0.000                 0.001
 MEDIAN                     0.003      0.007      0.000      0.010      0.001
 90TH PERCENTILE            0.013      0.037      0.002                 0.004
 MAXIMUM                    0.054      7.100      0.112      0.020      0.007
 DATE OF MAXIMUM       1989-12-11 1989-12-11 1988-09-29 1988-12-19 1988-07-25
 STANDARD DEVIATION         0.013      1.772      0.029      0.005      0.002





 STATION - ROSEAU RIVER                             STATION NO. 039006
 COUNTRY - CANADA                                   DEPTH(M)       5.0
 LOCATION - OCT. 1  LAT. 49/05/30  LONG. 096/41/30  ELEVATION(M) 230.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1988-01-06 TO 1990-12-07

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             TEMP          B     NO3NO2         O2          F
                                        DISS                  DISS       DISS
                            02061      05105      07105      08101      09106
                            deg C     mg/L B     mg/L N    mg/L O2     mg/L F


 NO. OF L-FLAGGED VALUES        0          0         22          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         23         17         35         27
 MEAN                         8.7        0.1       0.05        8.0        0.2
 MINIMUM                      0.0        0.1       0.01        1.7        0.1
 DATE OF MINIMUM       1988-01-06 1988-05-17 1988-01-06 1990-01-24 1989-05-01
 10TH PERCENTILE              0.0        0.1       0.01        4.9        0.1
 MEDIAN                       5.3        0.1       0.01        8.0        0.2
 90TH PERCENTILE             22.0        0.2       0.09       11.1        0.3
 MAXIMUM                     25.0        0.2       0.60       12.7        0.3
 DATE OF MAXIMUM       1988-06-01 1989-07-06 1988-04-14 1990-11-26 1988-02-08
 STANDARD DEVIATION           9.3        0.0       0.11        2.5        0.1




                               pH   SUSP SOL         Na         Mg         Al
                                     105 DEG       DISS       DISS       DISS
                            10301      10401      11103      12102      13102
                         pH UNITS       mg/L    mg/L Na    mg/L Mg    mg/L Al


 NO. OF L-FLAGGED VALUES        0          2          0          0          4
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         43         36         36          0
 MEAN                         7.9        10.        15.        31.      0.100
 MINIMUM                      7.4         1.         2.        11.      0.100
 DATE OF MINIMUM       1990-04-11 1989-11-15 1989-05-01 1988-04-14 1988-08-17
 10TH PERCENTILE              7.5         2.         4.        15.           
 MEDIAN                       7.8         6.         8.        27.      0.100
 90TH PERCENTILE              8.2        22.        31.        51.           
 MAXIMUM                      8.5        51.        95.        65.      0.100
 DATE OF MAXIMUM       1989-08-16 1988-04-14 1990-01-24 1988-02-08 1988-08-17
 STANDARD DEVIATION           0.3        12.        18.        14.      0.000




                               Si          P   SULPHATE         Cl    LINDANE
                         REACTIVE      TOTAL                  DISS           
                            14101      15405      16306      17203      18070
                         mg/LSiO2     mg/L P   mg/L SO4    mg/L Cl       ug/L


 NO. OF L-FLAGGED VALUES        0          0          0          0         15
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       27         30         36         36          6
 MEAN                       12.41      0.067        30.        10.      0.001
 MINIMUM                     0.99      0.024         7.         2.      0.001
 DATE OF MINIMUM       1988-05-17 1989-11-15 1990-07-18 1988-08-17 1988-01-06
 10TH PERCENTILE             1.33      0.031         9.         2.      0.001
 MEDIAN                     13.20      0.065        24.         5.      0.001
 90TH PERCENTILE            23.00      0.092        51.        22.      0.002
 MAXIMUM                    23.77      0.240        92.        45.      0.002
 DATE OF MAXIMUM       1988-02-08 1988-04-14 1989-01-04 1990-01-24 1989-04-06
 STANDARD DEVIATION          7.65      0.040        19.        12.      0.000



                           ALDRIN   DIELDRIN   ATRAZINE      2,4-D          K
                                                                         DISS
                            18130      18150      18415      18503      19103
                             ug/L       ug/L       ug/L       ug/L     mg/L K


 NO. OF L-FLAGGED VALUES       21         21         11         15          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0         10          6         36
 MEAN                       0.001      0.002        0.1       0.08        3.9
 MINIMUM                    0.001      0.002        0.0       0.03        1.3
 DATE OF MINIMUM       1988-01-06 1988-01-06 1988-03-30 1988-01-06 1990-07-18
 10TH PERCENTILE            0.001      0.002        0.0       0.03        1.5
 MEDIAN                     0.001      0.002        0.1       0.03        3.5
 90TH PERCENTILE            0.001      0.002        0.1       0.20        6.1
 MAXIMUM                    0.001      0.002        0.1       0.36       10.9
 DATE OF MAXIMUM       1990-11-26 1990-11-26 1989-07-06 1990-04-11 1990-01-24
 STANDARD DEVIATION         0.000      0.000        0.0       0.10        2.0




                               Ca         Mn         Fe         Ni         Cu
                             DISS       DISS       DISS      TOTAL      TOTAL
                            20103      25104      26104      28002      29005
                          mg/L Ca    mg/L Mn    mg/L Fe    mg/L Ni    mg/L Cu


 NO. OF L-FLAGGED VALUES        0          1          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         25         26         26         26
 MEAN                      53.431       0.10       0.07      0.002      0.002
 MINIMUM                    0.000       0.00       0.01      0.001      0.001
 DATE OF MINIMUM       1988-01-06 1988-07-11 1988-08-17 1990-11-26 1990-10-30
 10TH PERCENTILE           24.000       0.00       0.02      0.001      0.001
 MEDIAN                    49.250       0.04       0.06      0.002      0.002
 90TH PERCENTILE           88.180       0.26       0.13      0.002      0.002
 MAXIMUM                   98.200       0.75       0.21      0.006      0.006
 DATE OF MAXIMUM       1988-12-05 1988-03-01 1989-07-06 1990-01-24 1988-02-08
 STANDARD DEVIATION        24.105       0.16       0.05      0.001      0.001




                               Zn   COLIFORM   FAEC COL         Cd         Ba
                            TOTAL      TOTAL                 TOTAL      TOTAL
                            30005      36002      36012      48002      80011
                          MG/L ZN   No/100ml   No/100ml    mg/L Cd    ug/L Hg


 NO. OF L-FLAGGED VALUES        0          1          6         20         24
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       26         30         31          6          2
 MEAN                       0.003        16.        20.      0.000      0.010
 MINIMUM                    0.001         0.         0.      0.000      0.010
 DATE OF MINIMUM       1988-05-17 1988-08-17 1988-08-17 1988-02-08 1988-01-06
 10TH PERCENTILE            0.002         0.         0.      0.000      0.010
 MEDIAN                     0.002         5.         7.      0.000      0.010
 90TH PERCENTILE            0.006        46.        55.      0.000      0.010
 MAXIMUM                    0.017        63.        89.      0.001      0.010
 DATE OF MAXIMUM       1989-03-10 1989-09-06 1990-05-17 1988-03-01 1990-11-26
 STANDARD DEVIATION         0.003        19.        25.      0.000      0.000


                               Pb
                            TOTAL
                            82002
                          mg/L Pb


 NO. OF L-FLAGGED VALUES       16
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES       10
 MEAN                       0.001
 MINIMUM                    0.001
 DATE OF MINIMUM       1988-01-06
 10TH PERCENTILE            0.001
 MEDIAN                     0.001
 90TH PERCENTILE            0.001
 MAXIMUM                    0.002
 DATE OF MAXIMUM       1989-02-02
 STANDARD DEVIATION         0.000





 STATION - FRASER RIVER                             STATION NO. 039007
 COUNTRY - CANADA                                   DEPTH(M)      10.0
 LOCATION - OCT. 1  LAT. 49/23/15  LONG. 121/27/00  ELEVATION(M)  45.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1988-01-07 TO 1990-03-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             TEMP     NO3NO2          F         pH   SUSP SOL
                                                   DISS               105 DEG
                            02061      07105      09105      10301      10401
                            deg C     mg/L N     mg/L F   pH UNITS       mg/L


 NO. OF L-FLAGGED VALUES        0          0         17          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       16         19          2         19          9
 MEAN                         6.2       0.11        0.1        7.5        34.
 MINIMUM                      0.0       0.03        0.1        6.8        10.
 DATE OF MINIMUM       1988-01-07 1988-08-29 1988-01-07 1988-02-01 1988-02-15
 10TH PERCENTILE              0.0       0.04        0.1        6.9        10.
 MEDIAN                       4.0       0.12        0.1        7.2        23.
 90TH PERCENTILE             11.8       0.15        0.0        8.0        73.
 MAXIMUM                     17.0       0.18        0.1        8.1        76.
 DATE OF MAXIMUM       1988-08-29 1988-04-13 1990-03-14 1988-12-12 1988-08-15
 STANDARD DEVIATION           5.2       0.04        0.0        0.5        26.




                               Na         Mg         Si          P   SULPHATE
                             DISS       DISS   REACTIVE      TOTAL           
                            11103      12102      14101      15405      16306
                          mg/L Na    mg/L Mg   mg/LSiO2     mg/L P   mg/L SO4


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       18         18         19         19         19
 MEAN                          4.         4.       5.47      0.046        10.
 MINIMUM                       2.         1.       3.60      0.012         6.
 DATE OF MINIMUM       1988-04-25 1988-04-25 1988-08-15 1988-01-18 1988-05-27
 10TH PERCENTILE               2.         2.       3.87      0.013         6.
 MEDIAN                        4.         4.       6.10      0.020        10.
 90TH PERCENTILE               6.         5.       6.47      0.083        13.
 MAXIMUM                       6.         5.       6.59      0.245        14.
 DATE OF MAXIMUM       1988-02-08 1988-02-08 1988-02-08 1988-05-27 1988-01-07
 STANDARD DEVIATION            1.         1.       1.07      0.063         3.




                               Cl          K         Ca         Cr         Mn
                             DISS       DISS       DISS      TOTAL      TOTAL
                            17203      19103      20103      24002      25004
                          mg/L Cl     mg/L K    mg/L Ca    mg/L Cr    mg/L Mn


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       19         18         18          8         17
 MEAN                          4.        0.7     17.600      0.005       0.03
 MINIMUM                       1.        0.4     10.500      0.002       0.01
 DATE OF MINIMUM       1988-05-27 1988-04-25 1988-04-25 1988-04-25 1988-02-29
 10TH PERCENTILE               2.        0.6     14.260                  0.01
 MEDIAN                        4.        0.8     17.800      0.005       0.01
 90TH PERCENTILE               6.        0.8     20.410                  0.05
 MAXIMUM                       7.        0.9     21.000      0.007       0.11
 DATE OF MAXIMUM       1988-02-08 1988-03-28 1988-01-18 1988-02-15 1988-05-27
 STANDARD DEVIATION            2.        0.1      2.638      0.002       0.03



                               Fe         Ni         Cu         Zn         Cd
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            26004      28002      29005      30005      48002
                          mg/L Fe    mg/L Ni    mg/L Cu    MG/L ZN    mg/L Cd


 NO. OF L-FLAGGED VALUES        0          0          0          0         10
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       17          8         17         17          7
 MEAN                        0.84      0.002      0.026      0.004      0.000
 MINIMUM                     0.15      0.001      0.002      0.002      0.000
 DATE OF MINIMUM       1988-02-01 1988-02-08 1988-01-07 1988-02-08 1988-01-07
 10TH PERCENTILE             0.15                 0.003      0.002      0.000
 MEDIAN                      0.47      0.002      0.005      0.003      0.000
 90TH PERCENTILE             1.68                 0.074      0.007      0.000
 MAXIMUM                     4.71      0.002      0.159      0.013      0.000
 DATE OF MAXIMUM       1988-05-27 1988-03-28 1988-08-29 1988-05-27 1988-05-27
 STANDARD DEVIATION          1.11      0.000      0.044      0.003      0.000




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


 NO. OF L-FLAGGED VALUES        8          8
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        9          9
 MEAN                       0.022      0.002
 MINIMUM                    0.010      0.001
 DATE OF MINIMUM       1988-01-07 1988-01-18
 10TH PERCENTILE            0.010      0.001
 MEDIAN                     0.010      0.001
 90TH PERCENTILE            0.050      0.004
 MAXIMUM                    0.060      0.009
 DATE OF MAXIMUM       1988-10-24 1988-12-12
 STANDARD DEVIATION         0.018      0.002





 STATION - GREAT BEAR RIVER                         STATION NO. 039009
 COUNTRY - CANADA                                   DEPTH(M)       7.0
 LOCATION - OCT. 1  LAT. 65/08/00  LONG. 123/31/00  ELEVATION(M) 155.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1988-01-21 TO 1990-11-20

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP     NO3NO2          F         pH
                             COND                             DISS           
                            02041      02061      07105      09106      10301
                            us/cm      deg C     mg/L N     mg/L F   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        2         13         13         11         16
 MEAN                        168.        4.8       0.14        0.1        7.8
 MINIMUM                                 0.0       0.01        0.1        7.3
 DATE OF MINIMUM                  1989-02-03 1989-11-14 1988-08-14 1988-01-21
 10TH PERCENTILE                         0.0       0.04        0.1        7.5
 MEDIAN                                  2.5       0.14        0.1        7.9
 90TH PERCENTILE                         8.5       0.18        0.1        8.0
 MAXIMUM                                25.0       0.20        0.1        8.1
 DATE OF MAXIMUM                  1988-01-21 1990-02-21 1990-02-21 1988-11-01
 STANDARD DEVIATION                      6.8       0.05        0.0        0.2




                         SUSP SOL         Na         Mg         Si          P
                          105 DEG       DISS       DISS   REACTIVE       DISS
                            10401      11103      12102      14101      15103
                             mg/L    mg/L Na    mg/L Mg   mg/LSiO2     mg/L P


 NO. OF L-FLAGGED VALUES       12          0          0          0          2
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3         16         15         10          1
 MEAN                          2.         4.         7.       2.35      0.003
 MINIMUM                       1.         3.         6.       1.73           
 DATE OF MINIMUM       1988-03-22 1989-07-11 1989-07-11 1989-07-11           
 10TH PERCENTILE               1.         3.         6.       1.73           
 MEDIAN                        1.         4.         7.       2.34           
 90TH PERCENTILE               4.         5.         8.       2.55           
 MAXIMUM                       9.         5.         8.       2.83           
 DATE OF MAXIMUM       1988-11-01 1989-02-03 1989-02-03 1989-02-03           
 STANDARD DEVIATION            2.         0.         1.       0.29           




                                P   SULPHATE         Cl          K         Ca
                             PART                  DISS       DISS       DISS
                            15901      16306      17203      19103      20103
                           mg/L P   mg/L SO4    mg/L Cl     mg/L K    mg/L Ca


 NO. OF L-FLAGGED VALUES        3          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         16         13         16         16
 MEAN                       0.006        14.         5.        0.7     16.625
 MINIMUM                                 12.         4.        0.6     13.900
 DATE OF MINIMUM                  1989-07-11 1989-06-08 1989-07-11 1989-07-11
 10TH PERCENTILE                         12.         4.        0.6     14.080
 MEDIAN                                  14.         5.        0.7     16.850
 90TH PERCENTILE                         15.         5.        0.8     18.100
 MAXIMUM                                 16.         6.        0.8     18.800
 DATE OF MAXIMUM                  1988-03-22 1990-02-21 1989-02-03 1989-02-03
 STANDARD DEVIATION                       1.         1.        0.1      1.398



                               Ni         Cu         Zn         Cd         Ba
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            28002      29005      30005      48002      56001
                          mg/L Ni    mg/L Cu    MG/L ZN    mg/L Cd    mg/L Ba


 NO. OF L-FLAGGED VALUES        8         12          0         11          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        8          4         16          2          0
 MEAN                       0.001      0.001      0.001      0.000        0.1
 MINIMUM                    0.001      0.001      0.001      0.000           
 DATE OF MINIMUM       1988-03-22 1988-01-21 1988-03-22 1988-08-14           
 10TH PERCENTILE            0.001      0.001      0.001      0.000           
 MEDIAN                     0.001      0.001      0.001      0.000           
 90TH PERCENTILE            0.001      0.001      0.003      0.000           
 MAXIMUM                    0.001      0.001      0.004      0.000           
 DATE OF MAXIMUM       1990-05-10 1990-05-10 1989-06-08 1990-09-25           
 STANDARD DEVIATION         0.000      0.000      0.001      0.000           




                               Pb
                            TOTAL
                            82002
                          mg/L Pb


 NO. OF L-FLAGGED VALUES       10
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES        3
 MEAN                       0.001
 MINIMUM                    0.001
 DATE OF MINIMUM       1988-08-14
 10TH PERCENTILE            0.001
 MEDIAN                     0.001
 90TH PERCENTILE            0.001
 MAXIMUM                    0.001
 DATE OF MAXIMUM       1989-11-14
 STANDARD DEVIATION         0.000




 STATION - LAKE ONTARIO MID LAKE                    STATION NO. 039010
 COUNTRY - CANADA                                   DEPTH(M)     130.0
 LOCATION - OCT. 0  LAT. 43/43/00  LONG. 078/01/36  ELEVATION(M)  74.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   LAKE       

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1988-04-07 TO 1990-11-02

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


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


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES      245        465         79        107        171
 MEAN                        327.        9.8        8.0     0.0022       0.32
 MINIMUM                     245.        1.9        2.0     0.0003       0.14
 DATE OF MINIMUM       1990-08-15 1988-04-07 1988-08-04 1988-09-09 1989-08-24
 10TH PERCENTILE             285.        2.6        2.5     0.0005       0.20
 MEDIAN                      327.        6.7        6.0     0.0020       0.34
 90TH PERCENTILE             372.       21.0       10.0     0.0040       0.38
 MAXIMUM                     383.       25.7       85.0     0.0055       0.51
 DATE OF MAXIMUM       1989-07-19 1988-08-04 1989-06-07 1989-07-19 1988-08-11
 STANDARD DEVIATION           33.        7.2       12.7     0.0014       0.07




                              NH3         O2         pH         Na         Mg
                                        DISS                  DISS       DISS
                            07555      08101      10301      11103      12102
                           mg/L N    mg/L O2   pH UNITS    mg/L Na    mg/L Mg


 NO. OF L-FLAGGED VALUES      109          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       62        270        280          3          3
 MEAN                        0.01       12.8        8.2        12.         8.
 MINIMUM                     0.00        7.9        6.9                      
 DATE OF MINIMUM       1988-04-07 1990-08-14 1990-08-14                      
 10TH PERCENTILE             0.00       10.2        7.8                      
 MEDIAN                      0.00       13.2        8.2                      
 90TH PERCENTILE             0.03       14.4        8.6                      
 MAXIMUM                     0.10       15.9        8.8                      
 DATE OF MAXIMUM       1990-08-30 1990-08-02 1989-07-19                      
 STANDARD DEVIATION          0.02        1.5        0.3                      




                               Si      PO4-P          P   SULPHATE         Cl
                         REACTIVE        SOL      TOTAL                  DISS
                            14101      15254      15405      16306      17201
                         mg/LSiO2   mg/L PO4     mg/L P   mg/L SO4    mg/L Cl


 NO. OF L-FLAGGED VALUES        9         39          0          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES      177        132        185        170        186
 MEAN                        0.23      0.003      0.010        26.        23.
 MINIMUM                     0.02      0.000      0.004         1.         0.
 DATE OF MINIMUM       1988-07-14 1988-06-02 1988-09-22 1989-09-27 1989-09-27
 10TH PERCENTILE             0.03      0.002      0.006        22.        22.
 MEDIAN                      0.16      0.002      0.010        26.        23.
 90TH PERCENTILE             0.47      0.007      0.013        28.        23.
 MAXIMUM                     1.62      0.023      0.051        50.        24.
 DATE OF MAXIMUM       1989-08-15 1989-08-11 1990-07-12 1989-04-04 1988-06-22
 STANDARD DEVIATION          0.23      0.003      0.005         4.         2.



                                K         Ca
                             DISS       DISS
                            19103      20103
                           mg/L K    mg/L Ca


 NO. OF L-FLAGGED VALUES        0          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        3         14
 MEAN                         1.4     37.421
 MINIMUM                              34.600
 DATE OF MINIMUM                  1990-08-14
 10TH PERCENTILE                      34.800
 MEDIAN                               38.000
 90TH PERCENTILE                      39.150
 MAXIMUM                              39.300
 DATE OF MAXIMUM                  1990-08-14
 STANDARD DEVIATION                    1.773




 STATION - SUPERIOR MID LAKE                        STATION NO. 039011
 COUNTRY - CANADA                                   DEPTH(M)     164.0
 LOCATION - OCT. 0  LAT. 47/50/48  LONG. 087/27/24  ELEVATION(M) 183.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   LAKE       

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1989-05-03 TO 1990-09-03

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP     NO3NO2        NH3         O2
                             COND                                        DISS
                            02041      02061      07105      07555      08101
                            us/cm      deg C     mg/L N     mg/L N    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          2          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        8          9          2          0          9
 MEAN                        107.        5.1       0.34       0.00       13.4
 MINIMUM                     102.        1.3                             12.1
 DATE OF MINIMUM       1990-05-04 1989-05-03                       1990-09-03
 10TH PERCENTILE                                                             
 MEDIAN                      109.        3.7                             13.4
 90TH PERCENTILE                                                             
 MAXIMUM                     111.       11.0                             14.1
 DATE OF MAXIMUM       1990-09-03 1990-09-03                       1990-05-04
 STANDARD DEVIATION            4.        3.7                              0.7




                               pH         Si      PO4-P          P   SULPHATE
                                    REACTIVE        SOL      TOTAL           
                            10301      14101      15254      15405      16306
                         pH UNITS   mg/LSiO2   mg/L PO4     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        9          9          2          9          9
 MEAN                         7.3       2.45      0.002      0.003         3.
 MINIMUM                      7.0       2.38                 0.002         3.
 DATE OF MINIMUM       1990-09-03 1989-05-03            1990-05-04 1990-05-04
 10TH PERCENTILE                                                             
 MEDIAN                       7.2       2.43                 0.003         3.
 90TH PERCENTILE                                                             
 MAXIMUM                      7.9       2.55                 0.005         5.
 DATE OF MAXIMUM       1989-05-03 1990-09-03            1989-05-03 1990-09-03
 STANDARD DEVIATION           0.3       0.06                 0.001         1.




                               Cl         Ca
                             DISS       DISS
                            17201      20103
                          mg/L Cl    mg/L Ca


 NO. OF L-FLAGGED VALUES        0          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        9          9
 MEAN                          1.     13.322
 MINIMUM                       1.     13.200
 DATE OF MINIMUM       1989-05-03 1990-09-03
 10TH PERCENTILE                            
 MEDIAN                        1.     13.300
 90TH PERCENTILE                            
 MAXIMUM                       1.     13.400
 DATE OF MAXIMUM       1990-09-03 1990-09-03
 STANDARD DEVIATION            0.      0.066





 STATION - CHURCHILL RIVER                          STATION NO. 039020
 COUNTRY - CANADA                                   DEPTH(M)    9999.9
 LOCATION - OCT. 1  LAT. 55/36/29  LONG. 102/11/44  ELEVATION(M)9999.9
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1988-01-19 TO 1990-10-23

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP          B     NO3NO2         O2
                             COND                  DISS                  DISS
                            02041      02061      05105      07105      08101
                            us/cm      deg C     mg/L B     mg/L N    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          3         13          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3         23         18          6         21
 MEAN                         65.       11.9        0.0       0.02       11.4
 MINIMUM                                 0.0        0.0       0.01        8.0
 DATE OF MINIMUM                  1989-02-15 1988-10-19 1988-06-23 1989-08-22
 10TH PERCENTILE                         0.0        0.0       0.01        8.2
 MEDIAN                                 14.0        0.0       0.01       12.0
 90TH PERCENTILE                        25.0        0.1       0.04       13.6
 MAXIMUM                                25.0        0.1       0.05       14.2
 DATE OF MAXIMUM                  1988-05-25 1989-06-27 1989-03-22 1990-03-28
 STANDARD DEVIATION                      9.5        0.0       0.01        2.0




                                F          F         pH   SUSP SOL         Na
                             DISS       DISS               105 DEG       DISS
                            09105      09106      10301      10401      11103
                           mg/L F     mg/L F   pH UNITS       mg/L    mg/L Na


 NO. OF L-FLAGGED VALUES        0          0          0          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        8         10         23         21         23
 MEAN                         0.1        0.1        7.3         3.         3.
 MINIMUM                      0.1        0.1        6.2         1.         2.
 DATE OF MINIMUM       1990-03-28 1988-09-26 1990-02-27 1988-01-19 1988-05-25
 10TH PERCENTILE                         0.1        6.4         1.         2.
 MEDIAN                       0.1        0.1        7.4         3.         3.
 90TH PERCENTILE                         0.1        7.7         5.         4.
 MAXIMUM                      0.2        0.1        7.8        13.         4.
 DATE OF MAXIMUM       1989-07-12 1989-03-22 1988-10-19 1989-02-15 1989-09-14
 STANDARD DEVIATION           0.0        0.0        0.5         3.         1.




                               Mg         Al         Si          P          P
                             DISS       DISS   REACTIVE       DISS      TOTAL
                            12102      13102      14101      15103      15405
                          mg/L Mg    mg/L Al   mg/LSiO2     mg/L P     mg/L P


 NO. OF L-FLAGGED VALUES        0         23          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       22          0         17          4         17
 MEAN                          3.      0.100       1.21      0.005      0.027
 MINIMUM                       2.      0.100       0.20      0.003      0.007
 DATE OF MINIMUM       1988-02-16 1988-01-19 1989-10-11 1988-03-17 1990-03-28
 10TH PERCENTILE               2.      0.100       0.29                 0.008
 MEDIAN                        3.      0.100       1.40      0.004      0.016
 90TH PERCENTILE               4.      0.100       1.70                 0.029
 MAXIMUM                       4.      0.100       1.76      0.009      0.195
 DATE OF MAXIMUM       1989-09-14 1990-10-23 1988-06-23 1988-01-19 1989-02-15
 STANDARD DEVIATION            0.      0.000       0.53      0.003      0.044




                                P   SULPHATE         Cl    P,P-DDT    O,P-DDT
                             PART                  DISS                      
                            15901      16306      17203      18000      18005
                           mg/L P   mg/L SO4    mg/L Cl       ug/L       ug/L


 NO. OF L-FLAGGED VALUES        3          0          0          4          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1         23         19          0          0
 MEAN                       0.007         2.         1.      0.004      0.001
 MINIMUM                    0.006         1.         1.      0.004           
 DATE OF MINIMUM       1988-01-19 1990-02-27 1988-06-23 1988-01-19           
 10TH PERCENTILE                          1.         1.                      
 MEDIAN                     0.006         2.         1.      0.004           
 90TH PERCENTILE                          3.         2.                      
 MAXIMUM                    0.008         6.         2.      0.004           
 DATE OF MAXIMUM       1988-05-25 1988-01-19 1989-08-22 1988-05-25           
 STANDARD DEVIATION         0.001         1.         0.      0.000           




                          P,P-DDD    P,P-DDE    LINDANE     ALPHA-      MIREX
                                                               BHC           
                            18010      18020      18070      18075      18125
                             ug/L       ug/L       ug/L       ug/L       ug/L


 NO. OF L-FLAGGED VALUES        2          3         17          2          4
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          1          1          0
 MEAN                       0.002      0.001      0.001      0.001      0.001
 MINIMUM                                          0.001                 0.001
 DATE OF MINIMUM                             1988-06-23            1988-01-19
 10TH PERCENTILE                                  0.001                      
 MEDIAN                                           0.001                 0.001
 90TH PERCENTILE                                  0.001                      
 MAXIMUM                                          0.002                 0.001
 DATE OF MAXIMUM                             1989-10-11            1988-05-25
 STANDARD DEVIATION                               0.000                 0.000




                           ALDRIN     ENDRIN   DIELDRIN   ATRAZINE      2,4-D
                                                                             
                            18130      18140      18150      18415      18503
                             ug/L       ug/L       ug/L       ug/L       ug/L


 NO. OF L-FLAGGED VALUES       22          4         21         18         17
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          0          0          0          0
 MEAN                       0.001      0.002      0.002        0.1       0.03
 MINIMUM                    0.001      0.002      0.002        0.1       0.03
 DATE OF MINIMUM       1988-01-19 1988-01-19 1988-01-19 1988-08-23 1988-06-23
 10TH PERCENTILE            0.001                 0.002        0.1       0.03
 MEDIAN                     0.001      0.002      0.002        0.1       0.03
 90TH PERCENTILE            0.001                 0.002        0.1       0.03
 MAXIMUM                    0.001      0.002      0.002        0.1       0.03
 DATE OF MAXIMUM       1990-06-20 1988-05-25 1990-06-20 1988-07-13 1990-06-20
 STANDARD DEVIATION         0.000      0.000      0.000        0.0       0.00



                                K         Ca         Cr         Mn         Fe
                             DISS       DISS      TOTAL       DISS       DISS
                            19103      20103      24002      25104      26104
                           mg/L K    mg/L Ca    mg/L Cr    mg/L Mn    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0          2         17          4
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       23         23         16          4         19
 MEAN                         1.0      8.156      0.001       0.00       0.02
 MINIMUM                      0.8      6.500      0.000       0.00       0.01
 DATE OF MINIMUM       1988-02-16 1988-02-16 1989-01-11 1988-01-19 1988-09-26
 10TH PERCENTILE              0.9      6.530      0.000       0.00       0.01
 MEDIAN                       1.0      8.100      0.001       0.00       0.02
 90TH PERCENTILE              1.2     10.020      0.001       0.00       0.03
 MAXIMUM                      1.2     10.300      0.013       0.02       0.08
 DATE OF MAXIMUM       1989-09-14 1989-09-14 1990-06-20 1988-06-23 1988-05-25
 STANDARD DEVIATION           0.1      1.309      0.003       0.00       0.02




                               Ni         Cu         Zn   COLIFORM   FAEC COL
                            TOTAL      TOTAL      TOTAL      TOTAL           
                            28002      29005      30005      36002      36012
                          mg/L Ni    mg/L Cu    MG/L ZN   No/100ml   No/100ml


 NO. OF L-FLAGGED VALUES       14          4          0         12         20
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        7         18         20          7          3
 MEAN                       0.001      0.001      0.002         4.         2.
 MINIMUM                    0.001      0.001      0.000         2.         2.
 DATE OF MINIMUM       1988-02-16 1988-08-23 1989-01-11 1988-06-23 1988-01-19
 10TH PERCENTILE            0.001      0.001      0.001         2.         2.
 MEDIAN                     0.001      0.001      0.001         2.         2.
 90TH PERCENTILE            0.002      0.002      0.004         4.         2.
 MAXIMUM                    0.013      0.004      0.005        30.         6.
 DATE OF MAXIMUM       1990-06-20 1988-02-16 1989-02-15 1988-07-13 1988-07-13
 STANDARD DEVIATION         0.003      0.001      0.001         7.         1.




                               Cd         Ba         Ba         Pb
                            TOTAL      TOTAL      TOTAL      TOTAL
                            48002      56001      80011      82002
                          mg/L Cd    mg/L Ba    ug/L Hg    mg/L Pb


 NO. OF L-FLAGGED VALUES       17          3         21         14
 NO. OF G-FLAGGED VALUES        0          0          0          0
 NO. OF UNFLAGGED VALUES        4          0          0          7
 MEAN                       0.000        0.1      0.010      0.001
 MINIMUM                    0.000                 0.010      0.001
 DATE OF MINIMUM       1988-01-19            1988-01-19 1988-01-19
 10TH PERCENTILE            0.000                 0.010      0.001
 MEDIAN                     0.000                 0.010      0.001
 90TH PERCENTILE            0.000                 0.010      0.001
 MAXIMUM                    0.000                 0.010      0.002
 DATE OF MAXIMUM       1989-10-11            1990-10-23 1989-02-15
 STANDARD DEVIATION         0.000                 0.000      0.000





 STATION - SKEENA RIVER                             STATION NO. 039021
 COUNTRY - CANADA                                   DEPTH(M)    9999.9
 LOCATION - OCT. 1  LAT. 54/37/49  LONG. 128/25/40  ELEVATION(M)9999.9
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1988-01-11 TO 1990-12-09

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             TEMP     NO3NO2          F         pH   SUSP SOL
                                                   DISS               105 DEG
                            02061      07105      09105      10301      10401
                            deg C     mg/L N     mg/L F   pH UNITS       mg/L


 NO. OF L-FLAGGED VALUES        0          1         48          0          4
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       66         71         24         72         26
 MEAN                         5.7       0.09        0.1        7.7        35.
 MINIMUM                      0.0       0.00        0.1        6.6         1.
 DATE OF MINIMUM       1989-01-08 1990-07-08 1988-01-11 1988-05-01 1988-06-12
 10TH PERCENTILE              0.5       0.02        0.1        7.0        10.
 MEDIAN                       3.8       0.09        0.1        7.8        23.
 90TH PERCENTILE             12.4       0.15        0.1        7.9        81.
 MAXIMUM                     16.0       0.31        0.2        8.1        95.
 DATE OF MAXIMUM       1990-07-22 1989-04-30 1989-11-12 1989-03-19 1989-08-07
 STANDARD DEVIATION           4.8       0.06        0.0        0.4        29.




                               Na         Mg         Si          P   SULPHATE
                             DISS       DISS   REACTIVE      TOTAL           
                            11103      12102      14101      15405      16306
                          mg/L Na    mg/L Mg   mg/LSiO2     mg/L P   mg/L SO4


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       46         46         61         72         72
 MEAN                          2.         2.       4.81      0.056         7.
 MINIMUM                       1.         1.       2.50      0.003         1.
 DATE OF MINIMUM       1989-06-10 1988-05-29 1989-09-17 1989-01-08 1990-12-09
 10TH PERCENTILE               1.         2.       3.31      0.007         5.
 MEDIAN                        2.         2.       5.00      0.021         7.
 90TH PERCENTILE               3.         3.       5.59      0.169        10.
 MAXIMUM                      14.         4.      12.30      0.385        11.
 DATE OF MAXIMUM       1989-02-07 1989-02-07 1989-02-07 1988-10-01 1990-09-30
 STANDARD DEVIATION            2.         1.       1.34      0.079         2.




                               Cl          K         Ca         Cr         Mn
                             DISS       DISS       DISS      TOTAL      TOTAL
                            17203      19103      20103      24002      25004
                          mg/L Cl     mg/L K    mg/L Ca    mg/L Cr    mg/L Mn


 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         46         46          7         45
 MEAN                          1.        0.4     14.046      0.002       0.06
 MINIMUM                       0.        0.2      9.470      0.001       0.01
 DATE OF MINIMUM       1988-07-11 1988-06-27 1988-06-12 1988-03-20 1988-01-11
 10TH PERCENTILE               0.        0.2      9.888                  0.01
 MEDIAN                        0.        0.3     12.700      0.002       0.02
 90TH PERCENTILE               1.        0.5     19.260                  0.14
 MAXIMUM                      28.        1.0     25.300      0.006       0.45
 DATE OF MAXIMUM       1989-02-07 1988-10-01 1989-02-07 1988-01-24 1988-10-01
 STANDARD DEVIATION            3.        0.2      3.889      0.002       0.09




                               Fe         Ni         Cu         Zn         Cd
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            26004      28002      29005      30005      48002
                          mg/L Fe    mg/L Ni    mg/L Cu    MG/L ZN    mg/L Cd


 NO. OF L-FLAGGED VALUES        0          4          0          0         30
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       45          3         44         45         15
 MEAN                        1.84      0.002      0.019      0.007      0.000
 MINIMUM                     0.08      0.001      0.002      0.001      0.000
 DATE OF MINIMUM       1989-02-07 1988-01-11 1988-04-04 1989-03-19 1988-01-11
 10TH PERCENTILE             0.12                 0.003      0.001      0.000
 MEDIAN                      0.76      0.001      0.007      0.004      0.000
 90TH PERCENTILE             5.34                 0.043      0.018      0.000
 MAXIMUM                     9.47      0.008      0.202      0.044      0.001
 DATE OF MAXIMUM       1988-10-01 1988-01-24 1988-06-12 1988-10-01 1989-05-13
 STANDARD DEVIATION          2.51      0.003      0.033      0.009      0.000




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


 NO. OF L-FLAGGED VALUES       28         17
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        6         28
 MEAN                       0.011      0.002
 MINIMUM                    0.010      0.001
 DATE OF MINIMUM       1988-01-11 1988-01-11
 10TH PERCENTILE            0.010      0.001
 MEDIAN                     0.010      0.001
 90TH PERCENTILE            0.010      0.004
 MAXIMUM                    0.020      0.006
 DATE OF MAXIMUM       1988-10-01 1988-10-01
 STANDARD DEVIATION         0.003      0.001



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GEMS/WATER
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Last updated: 2001-07-30