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STATISTICS for THE UNITED STATES OF AMERICA

STATISTICS FOR THE UNITED STATES OF AMERICA


GEMS/WATER - STATISTICAL SUMMARY BY STATION     2002-02-04   PAGE 354

 STATION - COLUMBIA RIVER                           STATION NO. 028002
 COUNTRY - UNITED STATES                            DEPTH(M)      18.0
 LOCATION - OCT. 1  LAT. 45/36/45  LONG. 122/01/35  ELEVATION(M)   3.7
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-04-07 TO 1997-06-04

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP          B         O2          F
                             COND                  DISS       DISS       DISS
                            02041      02061      05101      08102      09104
                            us/cm      deg C     mg/L B    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        5          5          2          5          2
 MEAN                        125.       11.5        0.0       13.0        0.2
 MINIMUM                      96.        7.8                  12.6           
 DATE OF MINIMUM       1997-06-04 1997-04-07            1997-05-05           
 10TH PERCENTILE                                                             
 MEDIAN                      137.       12.1                  12.9           
 90TH PERCENTILE                                                             
 MAXIMUM                     144.       14.1                  13.8           
 DATE OF MAXIMUM       1997-04-07 1997-06-04            1997-05-28           
 STANDARD DEVIATION           22.        2.4                   0.5           




                               pH         Na         Mg         Al         Si
                                        DISS       DISS       DISS   REACTIVE
                            10301      11102      12102      13102      14101
                         pH UNITS    mg/L Na    mg/L Mg    mg/L Al   mg/LSiO2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        5          2          2          2          2
 MEAN                         7.9         6.         5.      0.004      13.50
 MINIMUM                      7.6                                            
 DATE OF MINIMUM       1997-06-04                                            
 10TH PERCENTILE                                                             
 MEDIAN                       7.9                                            
 90TH PERCENTILE                                                             
 MAXIMUM                      8.1                                            
 DATE OF MAXIMUM       1997-04-07                                            
 STANDARD DEVIATION           0.2                                            




                         SULPHATE         Cl          K         Ca         Cr
                                        DISS       DISS       DISS       DISS
                            16303      17203      19102      20103      24052
                         mg/L SO4    mg/L Cl     mg/L K    mg/L Ca    mg/L Cr


 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          2          2
 MEAN                         10.         2.        1.3     17.550      0.001
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          





                               Mn         Fe         Ni         Cu         Zn
                             DISS      TOTAL       DISS       DISS       DISS
                            25104      26004      28102      29105      30104
                          mg/L Mn    mg/L Fe    mg/L Ni    mg/L Cu    mg/L Zn


 NO. OF L-FLAGGED VALUES        1          0          2          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          2          0          2          2
 MEAN                        0.00       0.00      0.001      0.002      0.003
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               As         Se         Cd         Pb
                             DISS       DISS       DISS       DISS
                            33104      34102      48101      82101
                          mg/L As    mg/L Se    mg/L Cd    mg/L Pb


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





 STATION - MISSOURI RIVER                           STATION NO. 028004
 COUNTRY - UNITED STATES                            DEPTH(M)       4.6
 LOCATION - OCT. 1  LAT. 38/42/36  LONG. 091/26/21  ELEVATION(M) 150.3
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-06 TO 1997-03-10

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP          B   ORG CARB     NO3NO2
                             COND                  DISS       DISS           
                            02041      02061      05101      06101      07105
                            us/cm      deg C     mg/L B     mg/L 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        3          3          2          2          2
 MEAN                        584.        4.2        0.1        3.7       1.55
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                              NH3         O2          F         pH         Na
                                        DISS       DISS                  DISS
                            07551      08102      09104      10301      11102
                           mg/L N    mg/L O2     mg/L F   pH UNITS    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          3          2          3          2
 MEAN                        0.12       12.6        0.4        7.9        48.
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Mg         Al         Si          P    P TOTAL
                             DISS       DISS   REACTIVE      TOTAL       DISS
                            12102      13102      14101      15405      15417
                          mg/L Mg    mg/L Al   mg/LSiO2     mg/L P     mg/L P


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          2          2          2          2
 MEAN                         21.      0.019      12.50      0.190      0.085
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                         SULPHATE         Cl          K         Ca         Cr
                                        DISS       DISS       DISS       DISS
                            16303      17203      19102      20103      24052
                         mg/L SO4    mg/L Cl     mg/L K    mg/L Ca    mg/L Cr


 NO. OF L-FLAGGED VALUES        0          0          0          0          2
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          2          2          2          0
 MEAN                        135.        23.        6.1     67.000      0.001
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Mn         Fe         Ni         Cu         Zn
                             DISS      TOTAL       DISS       DISS       DISS
                            25104      26004      28102      29105      30104
                          mg/L Mn    mg/L Fe    mg/L Ni    mg/L Cu    mg/L Zn


 NO. OF L-FLAGGED VALUES        0          1          0          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          1          2          2          1
 MEAN                        0.01       0.01      0.003      0.001      0.002
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               As         Se   FAEC COL         Cd         Pb
                             DISS       DISS                  DISS       DISS
                            33104      34102      36012      48101      82101
                          mg/L As    mg/L Se   No/100ml    mg/L Cd    mg/L Pb


 NO. OF L-FLAGGED VALUES        0          1          0          2          2
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          1          3          0          0
 MEAN                       0.002      0.002       452.      0.001      0.001
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                             INST
                           DISCHG
                            97160
                             m3/S


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES        3
 MEAN                      2469.5
 MINIMUM                         
 DATE OF MINIMUM                 
 10TH PERCENTILE                 
 MEDIAN                          
 90TH PERCENTILE                 
 MAXIMUM                         
 DATE OF MAXIMUM                 
 STANDARD DEVIATION              





 STATION - COLORADO RIVER                           STATION NO. 028006
 COUNTRY - UNITED STATES                            DEPTH(M)       7.7
 LOCATION - OCT. 1  LAT. 36/00/55  LONG. 114/44/16  ELEVATION(M) 196.6
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-05-28 TO 1997-05-28

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2         pH       INST
                             COND                  DISS                DISCHG
                            02041      02061      08102      10301      97160
                            us/cm      deg C    mg/L O2   pH UNITS       m3/S


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          1          1          1
 MEAN                        963.       13.0        8.8        7.6      914.7
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




1GEMS/WATER - STATISTICAL SUMMARY BY STATION     2002-02-04   PAGE 360

 STATION - DELAWARE RIVER                           STATION NO. 028008
 COUNTRY - UNITED STATES                            DEPTH(M)       1.4
 LOCATION - OCT. 0  LAT. 40/13/18  LONG. 074/46/42  ELEVATION(M)   3.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-29 TO 1997-01-29

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP   ORG CARB     NO3NO2        NH3
                             COND                  DISS                      
                            02041      02061      06101      07105      07551
                            us/cm      deg C     mg/L C     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          1          1          1
 MEAN                        217.        1.0        2.2       1.40       0.09
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               O2        BOD          F         pH         Na
                             DISS                  DISS                  DISS
                            08102      08201      09104      10301      11102
                          mg/L O2    mg/L O2     mg/L F   pH UNITS    mg/L Na


 NO. OF L-FLAGGED VALUES        0          0          1          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          0          1          1
 MEAN                        14.3         2.        0.1        7.5        16.
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Mg         Si          P    P TOTAL   SULPHATE
                             DISS   REACTIVE      TOTAL       DISS           
                            12102      14101      15405      15417      16303
                          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        1          1          1          1          1
 MEAN                          5.       6.10      0.080      0.020        18.
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          





 STATION - DELAWARE RIVER                           STATION NO. 028008
 COUNTRY - UNITED STATES                            DEPTH(M)       1.4
 LOCATION - OCT. 0  LAT. 40/13/18  LONG. 074/46/42  ELEVATION(M)   3.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-29 TO 1997-01-29

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                               Cl    LINDANE          K         Ca         Ni
                             DISS                  DISS       DISS      TOTAL
                            17203      18070      19102      20103      28001
                          mg/L Cl       ug/L     mg/L K    mg/L Ca    mg/L Ni


 NO. OF L-FLAGGED VALUES        0          1          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          0          1          1          1
 MEAN                         25.      0.030        1.6     15.000      0.002
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Cu         Zn         Ba         Pb    BENZENE
                            TOTAL      TOTAL      TOTAL      TOTAL           
                            29006      30004      80016      82001      95100
                          mg/L Cu    mg/L Zn    ug/L Hg    mg/L Pb       ug/L


 NO. OF L-FLAGGED VALUES        0          0          1          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          0          1          0
 MEAN                       0.002      0.030      0.100      0.004        0.2
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          





 STATION - RIO GRANDE                               STATION NO. 028010
 COUNTRY - UNITED STATES                            DEPTH(M)       1.9
 LOCATION - OCT. 1  LAT. 25/52/35  LONG. 097/27/15  ELEVATION(M)   2.7
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

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

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP          B   ORG CARB     NO3NO2
                             COND                  DISS       DISS           
                            02041      02061      05101      06101      07105
                            us/cm      deg C     mg/L B     mg/L 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        1          1          1          1          1
 MEAN                       1590.       16.0        0.4        3.6       0.10
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                              NH3         O2          F         pH         Na
                                        DISS       DISS                  DISS
                            07551      08102      09104      10301      11102
                           mg/L N    mg/L O2     mg/L F   pH UNITS    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        1          1          1          1          1
 MEAN                        0.20        9.7        0.7        8.2       170.
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Mg         Al         Si          P    P TOTAL
                             DISS       DISS   REACTIVE      TOTAL       DISS
                            12102      13102      14101      15405      15417
                          mg/L Mg    mg/L Al   mg/LSiO2     mg/L P     mg/L P


 NO. OF L-FLAGGED VALUES        0          1          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          0          1          1          1
 MEAN                         28.      0.001       9.90      0.180      0.050
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                         SULPHATE         Cl          K         Ca         Cr
                                        DISS       DISS       DISS       DISS
                            16303      17203      19102      20103      24052
                         mg/L SO4    mg/L Cl     mg/L K    mg/L Ca    mg/L Cr


 NO. OF L-FLAGGED VALUES        0          0          0          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          1          1          0
 MEAN                        290.       220.        6.6      0.000      0.001
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Mn         Fe         Ni         Cu         Zn
                             DISS      TOTAL       DISS       DISS       DISS
                            25104      26004      28102      29105      30104
                          mg/L Mn    mg/L Fe    mg/L Ni    mg/L Cu    mg/L Zn


 NO. OF L-FLAGGED VALUES        0          1          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          0          1          1          1
 MEAN                        0.00       0.00      0.002      0.001      0.002
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               As         Se         Cd         Pb       INST
                             DISS       DISS       DISS       DISS     DISCHG
                            33104      34102      48101      82101      97160
                          mg/L As    mg/L Se    mg/L Cd    mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES        0          1          1          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          0          0          0          1
 MEAN                       0.003      0.001      0.001      0.001        1.1
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          





 STATION - ARKANSAS RIVER                           STATION NO. 028012
 COUNTRY - UNITED STATES                            DEPTH(M)       5.3
 LOCATION - OCT. 1  LAT. 34/40/07  LONG. 092/09/18  ELEVATION(M)  70.4
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-09 TO 1997-05-05

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP          B   ORG CARB     NO3NO2
                             COND                  DISS       DISS           
                            02041      02061      05101      06101      07105
                            us/cm      deg C     mg/L B     mg/L 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        5          5          4          3          3
 MEAN                        501.       11.6        0.0        4.0       0.50
 MINIMUM                     382.        6.8        0.0                      
 DATE OF MINIMUM       1997-04-14 1997-02-12 1997-01-09                      
 10TH PERCENTILE                                                             
 MEDIAN                      391.       11.6        0.0                      
 90TH PERCENTILE                                                             
 MAXIMUM                     706.       18.1        0.0                      
 DATE OF MAXIMUM       1997-05-05 1997-05-05 1997-04-14                      
 STANDARD DEVIATION          158.        4.6        0.0                      




                              NH3         O2          F         pH         Na
                                        DISS       DISS                  DISS
                            07551      08102      09104      10301      11102
                           mg/L N    mg/L O2     mg/L F   pH UNITS    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        3          5          4          5          4
 MEAN                        0.08        9.4        0.2        7.8        45.
 MINIMUM                                 5.8        0.1        7.6        34.
 DATE OF MINIMUM                  1997-05-05 1997-01-09 1997-03-10 1997-03-10
 10TH PERCENTILE                                                             
 MEDIAN                                 10.0        0.2        7.9        38.
 90TH PERCENTILE                                                             
 MAXIMUM                                11.2        0.2        8.0        70.
 DATE OF MAXIMUM                  1997-02-12 1997-04-14 1997-02-12 1997-02-12
 STANDARD DEVIATION                      2.1        0.1        0.2        17.




                               Mg         Al         Si          P    P TOTAL
                             DISS       DISS   REACTIVE      TOTAL       DISS
                            12102      13102      14101      15405      15417
                          mg/L Mg    mg/L Al   mg/LSiO2     mg/L P     mg/L P


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        4          4          4          3          3
 MEAN                          7.      0.008       5.07      0.068      0.038
 MINIMUM                       6.      0.007       4.20                      
 DATE OF MINIMUM       1997-01-09 1997-03-10 1997-02-12                      
 10TH PERCENTILE                                                             
 MEDIAN                        7.      0.008       5.00                      
 90TH PERCENTILE                                                             
 MAXIMUM                       8.      0.009       6.10                      
 DATE OF MAXIMUM       1997-02-12 1997-02-12 1997-01-09                      
 STANDARD DEVIATION            1.      0.001       0.88                      





                         SULPHATE         Cl          K         Ca         Cr
                                        DISS       DISS       DISS       DISS
                            16303      17203      19102      20103      24052
                         mg/L SO4    mg/L Cl     mg/L K    mg/L Ca    mg/L Cr


 NO. OF L-FLAGGED VALUES        0          0          0          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        4          4          4          4          3
 MEAN                         41.        71.        2.6     26.400      0.001
 MINIMUM                      31.        50.        2.5     21.000      0.001
 DATE OF MINIMUM       1997-01-09 1997-03-10 1997-03-10 1997-01-09 1997-01-09
 10TH PERCENTILE                                                             
 MEDIAN                       40.        57.        2.6     27.800      0.001
 90TH PERCENTILE                                                             
 MAXIMUM                      53.       120.        2.7     29.000      0.001
 DATE OF MAXIMUM       1997-02-12 1997-02-12 1997-02-12 1997-03-10 1997-04-14
 STANDARD DEVIATION            9.        33.        0.1      3.648      0.000




                               Mn         Fe         Ni         Cu         Zn
                             DISS      TOTAL       DISS       DISS       DISS
                            25104      26004      28102      29105      30104
                          mg/L Mn    mg/L Fe    mg/L Ni    mg/L Cu    mg/L Zn


 NO. OF L-FLAGGED VALUES        0          0          0          1          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        4          4          4          3          3
 MEAN                        0.01       0.04      0.001      0.002      0.002
 MINIMUM                     0.00       0.02      0.001      0.001      0.001
 DATE OF MINIMUM       1997-03-10 1997-02-12 1997-01-09 1997-01-09 1997-04-14
 10TH PERCENTILE                                                             
 MEDIAN                      0.00       0.03      0.001      0.002      0.002
 90TH PERCENTILE                                                             
 MAXIMUM                     0.03       0.06      0.002      0.004      0.003
 DATE OF MAXIMUM       1997-01-09 1997-01-09 1997-02-12 1997-02-12 1997-02-12
 STANDARD DEVIATION          0.01       0.02      0.001      0.001      0.001




                               As         Se         Cd         Pb       INST
                             DISS       DISS       DISS       DISS     DISCHG
                            33104      34102      48101      82101      97160
                          mg/L As    mg/L Se    mg/L Cd    mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES        3          4          4          4          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          0          0          0          4
 MEAN                       0.001      0.001      0.001      0.001     2093.6
 MINIMUM                    0.001      0.001      0.001      0.001      509.8
 DATE OF MINIMUM       1997-01-09 1997-01-09 1997-01-09 1997-01-09 1997-01-09
 10TH PERCENTILE                                                             
 MEDIAN                     0.001      0.001      0.001      0.001     1893.2
 90TH PERCENTILE                                                             
 MAXIMUM                    0.001      0.001      0.001      0.001     4078.1
 DATE OF MAXIMUM       1997-04-14 1997-04-14 1997-04-14 1997-04-14 1997-03-10
 STANDARD DEVIATION         0.000      0.000      0.000      0.000     1767.9







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GEMS/WATER
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Last updated: 2001-07-30