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STATISTICS for SWITZERLAND

STATISTICS FOR SWITZERLAND


GEMS/WATER - STATISTICAL SUMMARY BY STATION     2002-02-04   PAGE  26

 STATION - RHINE - DIEPOLDSAU                       STATION NO. 200001
 COUNTRY - SWITZERLAND                              DEPTH(M)       1.7
 LOCATION - OCT. 0  LAT. 47/23/04  LONG. 009/38/32  ELEVATION(M) 410.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-06 TO 1998-12-21

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                            INTEG       ELEC       TEMP        TOC   ORG CARB
                           SAMPLE       COND                             DISS
                            00190      02041      02062      06001      06101
                              N/A      us/cm      deg C     mg/L C     mg/L C


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       52         52         52         52         52
 MEAN                          3.       264.        8.1         3.        1.5
 MINIMUM                       3.       171.        2.5         1.        0.5
 DATE OF MINIMUM       1997-01-06 1997-06-23 1997-01-06 1997-09-15 1997-09-29
 10TH PERCENTILE               3.       201.        3.9         2.        0.9
 MEDIAN                        3.       275.        7.9         3.        1.5
 90TH PERCENTILE               3.       312.       12.6         5.        2.1
 MAXIMUM                       3.       378.       14.3         9.        3.1
 DATE OF MAXIMUM       1998-12-21 1998-01-05 1998-08-17 1997-07-07 1997-07-07
 STANDARD DEVIATION            0.        44.        3.3         1.        0.5




                            NO3-N    PERCENT         O2        ALK         pH
                                      DO SAT       DISS      TOTAL           
                            07313      08001      08102      10101      10301
                           mg/L N    PERCENT    mg/L O2       mg/L   pH UNITS


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       52         52         52         52         29
 MEAN                        0.54       101.       11.4      96.88        8.0
 MINIMUM                     0.28        99.       10.0      75.50        2.0
 DATE OF MINIMUM       1997-07-07 1997-01-06 1998-08-17 1997-06-23 1998-02-16
 10TH PERCENTILE             0.38        99.       10.2      82.00        7.9
 MEDIAN                      0.53       102.       11.4      96.00        8.2
 90TH PERCENTILE             0.73       103.       12.6     109.80        8.3
 MAXIMUM                     0.89       104.       13.0     134.00       11.3
 DATE OF MAXIMUM       1998-01-05 1997-09-29 1998-02-16 1998-01-05 1998-01-19
 STANDARD DEVIATION          0.14         1.        0.9      11.66        1.4




                         SUSP SOL         Na         Mg         Si    P ORTHO
                          105 DEG       DISS       DISS   REACTIVE       DISS
                            10401      11105      12102      14101      15255
                             mg/L    mg/L Na    mg/L Mg   mg/LSiO2     mg/L P


 NO. OF L-FLAGGED VALUES        0          0          0          0          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       52         52         52         52         49
 MEAN                         64.         3.         9.      26.02      0.008
 MINIMUM                       2.         2.         5.       2.63      0.003
 DATE OF MINIMUM       1997-02-03 1997-05-12 1997-06-23 1997-06-23 1997-08-04
 10TH PERCENTILE               8.         2.         7.       3.13      0.004
 MEDIAN                        8.         3.        10.      16.69      0.006
 90TH PERCENTILE             193.         5.        11.      58.60      0.012
 MAXIMUM                     692.         6.        14.      72.00      0.040
 DATE OF MAXIMUM       1997-07-07 1998-05-11 1998-01-05 1998-01-05 1998-07-06
 STANDARD DEVIATION          128.         1.         2.      24.35      0.007





                                P   SULPHATE         Cl          K         Ca
                            TOTAL                  DISS       DISS       DISS
                            15405      16309      17207      19105      20105
                           mg/L P   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       52         52         52         52         52
 MEAN                       0.077        25.         3.        1.0     43.394
 MINIMUM                    0.014         3.         1.        0.7     32.460
 DATE OF MINIMUM       1998-02-16 1998-02-02 1997-06-09 1997-05-12 1997-06-23
 10TH PERCENTILE            0.019         3.         1.        0.7     35.270
 MEDIAN                     0.049        14.         3.        1.1     44.090
 90TH PERCENTILE            0.126        57.         4.        1.3     50.020
 MAXIMUM                    0.971        65.         5.        1.4     60.920
 DATE OF MAXIMUM       1997-07-07 1997-01-06 1998-03-02 1997-11-24 1998-01-05
 STANDARD DEVIATION         0.133        24.         1.        0.2      6.213




                             INST
                           DISCHG
                            97160
                             m3/S


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES       52
 MEAN                       221.1
 MINIMUM                     88.0
 DATE OF MINIMUM       1998-01-05
 10TH PERCENTILE            117.5
 MEDIAN                     174.9
 90TH PERCENTILE            388.2
 MAXIMUM                    592.4
 DATE OF MAXIMUM       1997-07-07
 STANDARD DEVIATION         113.6





 STATION - RHINE - REKINGEN                         STATION NO. 200002
 COUNTRY - SWITZERLAND                              DEPTH(M)       2.5
 LOCATION - OCT. 0  LAT. 47/34/18  LONG. 008/19/51  ELEVATION(M) 323.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-06 TO 1998-12-21

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                            INTEG       ELEC       TEMP        TOC   ORG CARB
                           SAMPLE       COND                             DISS
                            00190      02041      02062      06001      06101
                              N/A      us/cm      deg C     mg/L C     mg/L C


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       52         52         52         52         52
 MEAN                          3.       303.       11.8         3.        2.3
 MINIMUM                       3.       257.        2.8         2.        1.6
 DATE OF MINIMUM       1997-01-06 1997-09-01 1997-01-20 1997-01-20 1997-09-29
 10TH PERCENTILE               3.       263.        4.2         2.        1.7
 MEDIAN                        3.       305.       10.5         3.        2.1
 90TH PERCENTILE               3.       335.       19.8         4.        2.8
 MAXIMUM                       3.       348.       22.2         5.        4.2
 DATE OF MAXIMUM       1998-12-21 1997-03-03 1998-08-17 1998-09-14 1998-08-31
 STANDARD DEVIATION            0.        27.        5.9         1.        0.5




                            NO3-N    PERCENT         O2        ALK         pH
                                      DO SAT       DISS      TOTAL           
                            07313      08001      08102      10101      10301
                           mg/L N    PERCENT    mg/L O2       mg/L   pH UNITS


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       51         50         50         52         43
 MEAN                        1.20       106.       11.1     130.48        7.9
 MINIMUM                     0.69       102.        8.8      83.00        1.3
 DATE OF MINIMUM       1998-08-03 1997-10-27 1997-09-01 1998-08-17 1998-02-02
 10TH PERCENTILE             0.80       103.        9.1     110.10        4.6
 MEDIAN                      1.21       106.       11.0     131.75        8.2
 90TH PERCENTILE             1.58       109.       13.2     147.00       10.6
 MAXIMUM                     1.94       115.       13.7     154.00       13.0
 DATE OF MAXIMUM       1997-03-03 1997-08-04 1997-02-03 1997-03-03 1998-08-03
 STANDARD DEVIATION          0.32         3.        1.6      14.64        2.4




                         SUSP SOL         Na         Mg         Si    P ORTHO
                          105 DEG       DISS       DISS   REACTIVE       DISS
                            10401      11105      12102      14101      15255
                             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       50         52         52         52         52
 MEAN                         11.         7.        10.      17.00      0.016
 MINIMUM                       1.         5.         9.       0.94      0.005
 DATE OF MINIMUM       1997-02-03 1997-08-04 1997-06-09 1997-09-29 1997-09-01
 10TH PERCENTILE               3.         6.         9.       2.04      0.009
 MEDIAN                        8.         7.        10.      15.15      0.016
 90TH PERCENTILE              17.         7.        11.      33.00      0.024
 MAXIMUM                      53.         8.        11.      35.00      0.036
 DATE OF MAXIMUM       1997-07-07 1997-04-01 1997-04-01 1998-08-17 1997-03-03
 STANDARD DEVIATION           10.         1.         1.      14.84      0.007




                                P   SULPHATE         Cl          K         Ca
                            TOTAL                  DISS       DISS       DISS
                            15405      16309      17207      19105      20105
                           mg/L P   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       52         52         52         52         52
 MEAN                       0.043        17.         8.        1.9     49.290
 MINIMUM                    0.022         1.         6.        1.5     39.280
 DATE OF MINIMUM       1998-04-27 1998-07-06 1997-07-21 1997-07-21 1998-08-03
 10TH PERCENTILE            0.028         2.         6.        1.5     41.680
 MEDIAN                     0.035        14.         8.        1.9     50.100
 90TH PERCENTILE            0.066        33.         9.        2.0     55.550
 MAXIMUM                    0.136        34.        10.        2.2     57.310
 DATE OF MAXIMUM       1998-05-11 1997-09-29 1998-12-21 1997-12-22 1997-03-03
 STANDARD DEVIATION         0.019        14.         1.        0.2      5.220




                               Cr         Ni         Cu         Zn         Cd
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            24002      28001      29005      30005      48002
                          mg/L Cr    mg/L Ni    mg/L Cu    MG/L ZN    mg/L Cd


 NO. OF L-FLAGGED VALUES       13          6          2          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       32         42         46         47         43
 MEAN                       0.001      0.001      0.001      0.003      0.000
 MINIMUM                    0.000      0.000      0.000      0.001      0.000
 DATE OF MINIMUM       1997-02-03 1997-03-03 1997-03-03 1997-04-14 1997-01-06
 10TH PERCENTILE            0.000      0.000      0.001      0.002      0.000
 MEDIAN                     0.001      0.001      0.001      0.002      0.000
 90TH PERCENTILE            0.001      0.001      0.002      0.006      0.000
 MAXIMUM                    0.003      0.002      0.005      0.015      0.000
 DATE OF MAXIMUM       1998-03-16 1998-07-06 1998-07-06 1998-07-06 1998-12-21
 STANDARD DEVIATION         0.001      0.000      0.001      0.002      0.000




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


 NO. OF L-FLAGGED VALUES        9          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES       39         52
 MEAN                       0.021      402.9
 MINIMUM                    0.000      214.7
 DATE OF MINIMUM       1997-01-06 1997-12-08
 10TH PERCENTILE            0.000      255.8
 MEDIAN                     0.000      383.5
 90TH PERCENTILE            0.001      582.9
 MAXIMUM                    1.000      790.9
 DATE OF MAXIMUM       1998-03-02 1997-08-04
 STANDARD DEVIATION         0.144      128.2





 STATION - RHINE - BASLE                            STATION NO. 200003
 COUNTRY - SWITZERLAND                              DEPTH(M)       6.2
 LOCATION - OCT. 0  LAT. 47/37/07  LONG. 007/34/08  ELEVATION(M) 243.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-06 TO 1998-12-21

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                            INTEG       ELEC       TEMP        TOC   ORG CARB
                           SAMPLE       COND                             DISS
                            00190      02041      02062      06001      06101
                              N/A      us/cm      deg C     mg/L C     mg/L C


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       52         52         52         52         52
 MEAN                          3.       317.       12.5         4.        2.5
 MINIMUM                       3.       260.        3.8         3.        1.5
 DATE OF MINIMUM       1997-01-06 1998-08-31 1997-01-20 1997-01-06 1997-09-15
 10TH PERCENTILE               3.       268.        5.1         3.        1.9
 MEDIAN                        3.       320.       11.4         4.        2.4
 90TH PERCENTILE               3.       359.       20.2         5.        3.1
 MAXIMUM                       3.       372.       22.5         6.        3.6
 DATE OF MAXIMUM       1998-12-21 1998-02-16 1998-08-17 1997-07-07 1998-06-22
 STANDARD DEVIATION            0.        34.        5.8         1.        0.5




                            NO3-N    PERCENT         O2        ALK         pH
                                      DO SAT       DISS      TOTAL           
                            07313      08001      08102      10101      10301
                           mg/L N    PERCENT    mg/L O2       mg/L   pH UNITS


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       52         51         51         52         48
 MEAN                        1.44       100.       10.5     132.89        7.5
 MINIMUM                     0.86        94.        8.1     109.00        1.0
 DATE OF MINIMUM       1997-08-04 1997-11-24 1998-08-31 1998-08-31 1998-04-14
 10TH PERCENTILE             0.96        96.        8.5     111.80        3.0
 MEDIAN                      1.42       100.       10.3     135.25        8.1
 90TH PERCENTILE             1.92       104.       12.3     149.80        9.8
 MAXIMUM                     2.07       110.       12.6     151.00       12.3
 DATE OF MAXIMUM       1997-02-17 1997-08-04 1998-02-16 1998-02-02 1998-08-31
 STANDARD DEVIATION          0.37         4.        1.5      13.58        2.5




                         SUSP SOL         Na         Mg         Si    P ORTHO
                          105 DEG       DISS       DISS   REACTIVE       DISS
                            10401      11105      12102      14101      15255
                             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       52         52         52         52         52
 MEAN                         12.         9.         8.      15.72      0.020
 MINIMUM                       1.         6.         7.       1.56      0.007
 DATE OF MINIMUM       1997-12-08 1997-08-04 1998-07-06 1997-09-01 1997-07-21
 10TH PERCENTILE               3.         7.         8.       1.86      0.009
 MEDIAN                        8.         9.         8.      13.50      0.020
 90TH PERCENTILE              20.        12.         9.      31.00      0.028
 MAXIMUM                      76.        14.        10.      34.00      0.035
 DATE OF MAXIMUM       1997-06-23 1997-12-08 1997-02-17 1998-02-16 1997-01-06
 STANDARD DEVIATION           14.         2.         1.      13.41      0.007




                                P   SULPHATE         Cl          K         Ca
                            TOTAL                  DISS       DISS       DISS
                            15405      16309      17207      19105      20105
                           mg/L P   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       52         52         52         52         52
 MEAN                       0.045        16.        11.        2.0     51.727
 MINIMUM                    0.023         2.         6.        1.5     42.080
 DATE OF MINIMUM       1997-09-15 1998-05-25 1997-08-04 1997-07-21 1998-09-14
 10TH PERCENTILE            0.031         2.         8.        1.6     43.290
 MEDIAN                     0.042        12.        10.        2.0     52.905
 90TH PERCENTILE            0.068        32.        14.        2.3     58.040
 MAXIMUM                    0.093        33.        15.        2.6     60.520
 DATE OF MAXIMUM       1998-11-09 1997-12-08 1998-02-16 1997-12-08 1998-02-02
 STANDARD DEVIATION         0.015        13.         2.        0.3      5.617




                               Cr         Ni         Cu         Zn         Cd
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            24002      28001      29005      30005      48002
                          mg/L Cr    mg/L Ni    mg/L Cu    MG/L ZN    mg/L Cd


 NO. OF L-FLAGGED VALUES        8          2          0          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       37         49         51         51         49
 MEAN                       0.001      0.001      0.002      0.004      0.000
 MINIMUM                    0.000      0.000      0.001      0.001      0.000
 DATE OF MINIMUM       1997-01-06 1997-04-28 1997-01-06 1997-04-28 1997-01-06
 10TH PERCENTILE            0.000      0.001      0.001      0.002      0.000
 MEDIAN                     0.001      0.001      0.001      0.003      0.000
 90TH PERCENTILE            0.001      0.001      0.002      0.006      0.000
 MAXIMUM                    0.003      0.003      0.004      0.028      0.000
 DATE OF MAXIMUM       1998-09-28 1998-08-17 1998-08-17 1998-08-17 1998-12-21
 STANDARD DEVIATION         0.001      0.000      0.001      0.004      0.000




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


 NO. OF L-FLAGGED VALUES       18          5          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES       29         46         52
 MEAN                       0.013      0.000      950.6
 MINIMUM                    0.010      0.000      482.0
 DATE OF MINIMUM       1997-01-20 1997-01-06 1997-12-08
 10TH PERCENTILE            0.010      0.000      572.6
 MEDIAN                     0.010      0.000      917.0
 90TH PERCENTILE            0.020      0.001     1340.0
 MAXIMUM                    0.050      0.003     1836.0
 DATE OF MAXIMUM       1997-02-17 1998-04-27 1997-08-04
 STANDARD DEVIATION         0.008      0.001      320.2





 STATION - AARE - BRUGG                             STATION NO. 200004
 COUNTRY - SWITZERLAND                              DEPTH(M)       4.1
 LOCATION - OCT. 0  LAT. 47/29/02  LONG. 008/11/45  ELEVATION(M) 332.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-06 TO 1998-12-21

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                            INTEG       ELEC       TEMP        TOC   ORG CARB
                           SAMPLE       COND                             DISS
                            00190      02041      02062      06001      06101
                              N/A      us/cm      deg C     mg/L C     mg/L C


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       52         51         52         52         52
 MEAN                          3.       343.       12.2         4.        2.7
 MINIMUM                       3.       276.        4.0         3.        1.7
 DATE OF MINIMUM       1997-01-06 1998-08-31 1997-01-20 1997-05-12 1997-05-12
 10TH PERCENTILE               3.       286.        4.9         4.        2.1
 MEDIAN                        3.       346.       11.5         4.        2.7
 90TH PERCENTILE               3.       388.       19.9         6.        3.4
 MAXIMUM                       3.       405.       21.5         7.        3.8
 DATE OF MAXIMUM       1998-12-21 1998-02-16 1998-08-03 1997-06-23 1997-04-01
 STANDARD DEVIATION            0.        39.        5.5         1.        0.4




                            NO3-N    PERCENT         O2        ALK         pH
                                      DO SAT       DISS      TOTAL           
                            07313      08001      08102      10101      10301
                           mg/L N    PERCENT    mg/L O2       mg/L   pH UNITS


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       52         50         50         52         40
 MEAN                        1.84       101.       10.6     151.84        7.8
 MINIMUM                     1.19        94.        8.2     120.50        1.3
 DATE OF MINIMUM       1997-09-15 1997-06-23 1998-08-31 1998-08-31 1998-03-30
 10TH PERCENTILE             1.24        95.        8.6     125.30        4.3
 MEDIAN                      1.86       100.       10.3     155.25        8.0
 90TH PERCENTILE             2.42       109.       12.2     172.40       10.0
 MAXIMUM                     2.60       110.       12.9     176.50       11.0
 DATE OF MAXIMUM       1997-02-17 1998-04-27 1998-02-02 1998-03-02 1998-07-06
 STANDARD DEVIATION          0.45         5.        1.4      17.83        1.9




                         SUSP SOL         Na         Mg         Si    P ORTHO
                          105 DEG       DISS       DISS   REACTIVE       DISS
                            10401      11105      12102      14101      15255
                             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       52         52         52         52         52
 MEAN                         15.         7.         8.      15.71      0.026
 MINIMUM                       2.         5.         7.       2.06      0.014
 DATE OF MINIMUM       1997-11-10 1997-07-07 1997-06-23 1997-04-28 1998-05-25
 10TH PERCENTILE               4.         5.         7.       2.39      0.016
 MEDIAN                        8.         7.         8.      14.62      0.026
 90TH PERCENTILE              37.         9.         9.      30.00      0.033
 MAXIMUM                     105.        10.         9.      32.00      0.041
 DATE OF MAXIMUM       1997-06-23 1997-04-28 1997-03-17 1998-06-08 1997-02-03
 STANDARD DEVIATION           19.         1.         1.      13.05      0.007




                                P   SULPHATE         Cl          K         Ca
                            TOTAL                  DISS       DISS       DISS
                            15405      16309      17207      19105      20105
                           mg/L P   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       52         52         52         52         52
 MEAN                       0.057        15.         9.        2.1     61.438
 MINIMUM                    0.028         2.         6.        1.5     48.900
 DATE OF MINIMUM       1998-05-25 1998-05-25 1997-07-07 1997-08-04 1998-08-31
 10TH PERCENTILE            0.037         2.         6.        1.6     50.580
 MEDIAN                     0.051        14.         9.        2.2     62.725
 90TH PERCENTILE            0.084        29.        12.        2.4     69.980
 MAXIMUM                    0.147        30.        13.        2.7     71.340
 DATE OF MAXIMUM       1997-06-23 1997-05-26 1998-12-21 1998-12-07 1998-03-02
 STANDARD DEVIATION         0.024        12.         2.        0.3      7.143




                             INST
                           DISCHG
                            97160
                             m3/S


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES       52
 MEAN                       276.1
 MINIMUM                    142.1
 DATE OF MINIMUM       1997-11-10
 10TH PERCENTILE            163.2
 MEDIAN                     255.0
 90TH PERCENTILE            391.9
 MAXIMUM                    578.5
 DATE OF MAXIMUM       1998-11-09
 STANDARD DEVIATION          96.5





 STATION - RHONE - PORTE DU SCEX                    STATION NO. 200005
 COUNTRY - SWITZERLAND                              DEPTH(M)       2.1
 LOCATION - OCT. 0  LAT. 46/21/03  LONG. 006/53/22  ELEVATION(M) 377.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-06 TO 1998-12-21

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                            INTEG       ELEC       TEMP        TOC   ORG CARB
                           SAMPLE       COND                             DISS
                            00190      02041      02062      06001      06101
                              N/A      us/cm      deg C     mg/L C     mg/L C


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       52         50         52         52         52
 MEAN                          3.       263.        7.6         3.        1.0
 MINIMUM                       3.       139.        3.8         1.        0.4
 DATE OF MINIMUM       1997-01-06 1998-08-17 1998-02-02 1997-09-15 1997-09-29
 10TH PERCENTILE               3.       164.        4.3         2.        0.7
 MEDIAN                        3.       268.        7.8         3.        1.0
 90TH PERCENTILE               3.       343.       10.2         4.        1.4
 MAXIMUM                       3.       407.       10.7         5.        2.2
 DATE OF MAXIMUM       1998-12-21 1998-01-05 1997-07-21 1998-10-26 1997-10-27
 STANDARD DEVIATION            0.        66.        2.2         1.        0.3




                            NO3-N    PERCENT         O2        ALK         pH
                                      DO SAT       DISS      TOTAL           
                            07313      08001      08102      10101      10301
                           mg/L N    PERCENT    mg/L O2       mg/L   pH UNITS


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       52         50         50         52         28
 MEAN                        0.57       100.       11.5      70.98        8.2
 MINIMUM                     0.33        97.       10.5      50.00        6.7
 DATE OF MINIMUM       1998-07-06 1998-10-12 1997-07-21 1998-08-17 1998-03-01
 10TH PERCENTILE             0.37        99.       10.6      55.90        8.0
 MEDIAN                      0.55       100.       11.4      69.25        8.1
 90TH PERCENTILE             0.78       102.       12.4      89.10        8.3
 MAXIMUM                     1.05       103.       12.9      98.00       11.0
 DATE OF MAXIMUM       1998-04-13 1998-02-02 1998-02-02 1998-01-05 1998-02-02
 STANDARD DEVIATION          0.17         1.        0.7      12.31        0.6




                         SUSP SOL         Na         Mg         Si    P ORTHO
                          105 DEG       DISS       DISS   REACTIVE       DISS
                            10401      11105      12102      14101      15255
                             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       47         52         52         52         50
 MEAN                         71.         8.         6.      28.11      0.011
 MINIMUM                       8.         4.         3.       2.06      0.004
 DATE OF MINIMUM       1998-01-05 1997-06-23 1998-08-02 1997-09-15 1997-07-21
 10TH PERCENTILE               8.         4.         4.       2.57      0.006
 MEDIAN                       16.         8.         6.      15.90      0.010
 90TH PERCENTILE             235.        11.         9.      65.80      0.019
 MAXIMUM                     411.        13.        10.      95.00      0.027
 DATE OF MAXIMUM       1997-08-18 1997-02-03 1998-01-05 1998-01-05 1998-01-05
 STANDARD DEVIATION          108.         3.         2.      28.09      0.005




                                P   SULPHATE         Cl          K         Ca
                            TOTAL                  DISS       DISS       DISS
                            15405      16309      17207      19105      20105
                           mg/L P   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       52         52         52         52         52
 MEAN                       0.116        28.        10.        1.6     40.249
 MINIMUM                    0.027         2.         4.        1.1     24.850
 DATE OF MINIMUM       1998-02-16 1998-07-20 1998-08-02 1997-08-18 1998-08-17
 10TH PERCENTILE            0.045         2.         5.        1.3     28.940
 MEDIAN                     0.082        18.        11.        1.6     38.880
 90TH PERCENTILE            0.238        69.        15.        1.9     52.260
 MAXIMUM                    0.378        81.        16.        2.4     63.330
 DATE OF MAXIMUM       1998-10-26 1997-01-06 1997-02-17 1998-01-05 1998-01-05
 STANDARD DEVIATION         0.087        28.         4.        0.3      8.676




                               Cr         Ni         Cu         Zn         Cd
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            24002      28001      29005      30005      48002
                          mg/L Cr    mg/L Ni    mg/L Cu    MG/L ZN    mg/L Cd


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       43         50         51         51         51
 MEAN                       0.002      0.005      0.003      0.009      0.000
 MINIMUM                    0.001      0.001      0.001      0.002      0.000
 DATE OF MINIMUM       1997-02-03 1997-12-08 1997-01-06 1998-03-16 1997-01-06
 10TH PERCENTILE            0.001      0.002      0.001      0.003      0.000
 MEDIAN                     0.002      0.004      0.002      0.006      0.000
 90TH PERCENTILE            0.004      0.011      0.007      0.018      0.000
 MAXIMUM                    0.009      0.022      0.010      0.057      0.000
 DATE OF MAXIMUM       1997-08-18 1998-08-17 1997-09-01 1997-08-18 1998-12-21
 STANDARD DEVIATION         0.002      0.005      0.002      0.009      0.000




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


 NO. OF L-FLAGGED VALUES        8          0          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES       40         51         52
 MEAN                       0.016      0.004      177.7
 MINIMUM                    0.010      0.000       71.6
 DATE OF MINIMUM       1997-01-06 1997-01-06 1998-01-05
 10TH PERCENTILE            0.010      0.001      113.2
 MEDIAN                     0.010      0.002      143.3
 90TH PERCENTILE            0.030      0.009      286.3
 MAXIMUM                    0.050      0.013      325.2
 DATE OF MAXIMUM       1997-09-15 1997-09-01 1997-06-23
 STANDARD DEVIATION         0.010      0.003       71.1





 STATION - RHONE - CHANCY                           STATION NO. 200006
 COUNTRY - SWITZERLAND                              DEPTH(M)       2.5
 LOCATION - OCT. 0  LAT. 46/09/46  LONG. 005/58/40  ELEVATION(M) 347.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-06 TO 1998-12-21

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                            INTEG       ELEC       TEMP        TOC   ORG CARB
                           SAMPLE       COND                             DISS
                            00190      02041      02062      06001      06101
                              N/A      us/cm      deg C     mg/L C     mg/L C


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       52         52         52         52         52
 MEAN                          3.       280.       11.7         3.        1.7
 MINIMUM                       3.       240.        5.5         2.        1.1
 DATE OF MINIMUM       1997-01-06 1998-08-17 1997-01-20 1997-01-06 1998-08-03
 10TH PERCENTILE               3.       245.        5.8         2.        1.3
 MEDIAN                        3.       287.       10.6         3.        1.7
 90TH PERCENTILE               3.       306.       18.0         4.        2.0
 MAXIMUM                       3.       310.       21.7         5.        2.8
 DATE OF MAXIMUM       1998-12-21 1997-02-17 1997-08-18 1998-06-22 1997-03-17
 STANDARD DEVIATION            0.        23.        4.8         1.        0.3




                            NO3-N    PERCENT         O2        ALK         pH
                                      DO SAT       DISS      TOTAL           
                            07313      08001      08102      10101      10301
                           mg/L N    PERCENT    mg/L O2       mg/L   pH UNITS


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       52         52         52         51         38
 MEAN                        0.58       104.       10.9      99.04        7.4
 MINIMUM                     0.33        90.        9.0      75.00        1.0
 DATE OF MINIMUM       1997-08-18 1998-10-26 1997-06-23 1998-08-17 1998-03-02
 10TH PERCENTILE             0.39        97.        9.4      81.50        4.6
 MEDIAN                      0.62       105.       10.8     103.50        8.1
 90TH PERCENTILE             0.77       112.       12.4     110.90        8.4
 MAXIMUM                     0.81       114.       13.4     119.00        9.3
 DATE OF MAXIMUM       1997-02-03 1997-08-04 1997-02-03 1997-02-03 1998-02-02
 STANDARD DEVIATION          0.14         5.        1.2      11.18        1.9




                         SUSP SOL         Na         Mg         Si    P ORTHO
                          105 DEG       DISS       DISS   REACTIVE       DISS
                            10401      11105      12102      14101      15255
                             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       52         51         51         52         52
 MEAN                         16.         6.         7.      24.27      0.034
 MINIMUM                       4.         5.         6.       0.75      0.015
 DATE OF MINIMUM       1997-11-10 1997-05-26 1997-06-09 1997-08-18 1998-09-28
 10TH PERCENTILE               6.         5.         6.       1.03      0.017
 MEDIAN                        8.         6.         7.      21.66      0.035
 90TH PERCENTILE              33.         7.         8.      50.00      0.051
 MAXIMUM                     130.        10.         8.      53.00      0.059
 DATE OF MAXIMUM       1997-09-15 1997-02-03 1997-11-10 1998-03-30 1998-04-06
 STANDARD DEVIATION           20.         1.         0.      23.15      0.013




                                P   SULPHATE         Cl          K         Ca
                            TOTAL                  DISS       DISS       DISS
                            15405      16309      17207      19105      20105
                           mg/L P   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       52         52         52         51         51
 MEAN                       0.072        24.         8.        1.8     47.499
 MINIMUM                    0.040         1.         7.        1.3     37.680
 DATE OF MINIMUM       1997-08-18 1998-03-30 1997-05-26 1998-07-06 1998-08-17
 10TH PERCENTILE            0.045         1.         7.        1.5     40.080
 MEDIAN                     0.065        22.         8.        1.8     49.700
 90TH PERCENTILE            0.091        49.        10.        2.0     52.420
 MAXIMUM                    0.279        52.        11.        2.2     54.910
 DATE OF MAXIMUM       1998-09-14 1997-04-14 1998-12-21 1998-12-07 1998-01-05
 STANDARD DEVIATION         0.035        22.         1.        0.2      4.934




                             INST
                           DISCHG
                            97160
                             m3/S


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES       52
 MEAN                       323.0
 MINIMUM                    194.8
 DATE OF MINIMUM       1997-04-28
 10TH PERCENTILE            203.5
 MEDIAN                     315.6
 90TH PERCENTILE            455.1
 MAXIMUM                    654.2
 DATE OF MAXIMUM       1997-07-07
 STANDARD DEVIATION          97.4





 STATION - TESSIN - RIAZZINO                        STATION NO. 200007
 COUNTRY - SWITZERLAND                              DEPTH(M)       1.8
 LOCATION - OCT. 0  LAT. 46/09/53  LONG. 008/54/41  ELEVATION(M) 200.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-06 TO 1998-12-21

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                            INTEG       ELEC       TEMP        TOC   ORG CARB
                           SAMPLE       COND                             DISS
                            00190      02041      02062      06001      06101
                              N/A      us/cm      deg C     mg/L C     mg/L C


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       52         51         52         52         52
 MEAN                          3.       233.        9.3         2.        1.2
 MINIMUM                       3.        97.        4.6         1.        0.4
 DATE OF MINIMUM       1997-01-06 1997-07-06 1998-02-02 1997-01-20 1997-12-22
 10TH PERCENTILE               3.       149.        5.1         1.        0.8
 MEDIAN                        3.       247.        9.2         2.        1.2
 90TH PERCENTILE               3.       288.       13.8         3.        1.8
 MAXIMUM                       3.       301.       15.2         4.        3.2
 DATE OF MAXIMUM       1998-12-21 1997-10-13 1998-08-17 1997-10-27 1997-10-27
 STANDARD DEVIATION            0.        54.        3.3         1.        0.5




                            NO3-N    PERCENT         O2        ALK         pH
                                      DO SAT       DISS      TOTAL           
                            07313      08001      08102      10101      10301
                           mg/L N    PERCENT    mg/L O2       mg/L   pH UNITS


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       52         49         49         52         44
 MEAN                        0.88        99.       11.1      49.46        6.4
 MINIMUM                     0.57        95.        9.6      29.00        1.0
 DATE OF MINIMUM       1997-07-06 1998-09-14 1998-08-31 1997-07-06 1998-02-16
 10TH PERCENTILE             0.65        97.        9.9      32.50        1.3
 MEDIAN                      0.87        99.       11.1      54.75        7.9
 90TH PERCENTILE             1.08       101.       12.1      60.30        8.5
 MAXIMUM                     1.23       106.       12.4      63.50       10.7
 DATE OF MAXIMUM       1998-02-23 1997-04-28 1998-02-16 1997-10-13 1998-11-22
 STANDARD DEVIATION          0.17         2.        0.9      10.35        2.9




                         SUSP SOL         Na         Mg         Si    P ORTHO
                          105 DEG       DISS       DISS   REACTIVE       DISS
                            10401      11105      12102      14101      15255
                             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       50         52         52         52         52
 MEAN                         10.         3.         7.      33.66      0.011
 MINIMUM                       1.         2.         3.       3.75      0.003
 DATE OF MINIMUM       1997-01-06 1997-06-09 1997-06-23 1997-06-23 1997-07-21
 10TH PERCENTILE               1.         2.         4.       4.34      0.007
 MEDIAN                        8.         3.         7.      18.38      0.010
 90TH PERCENTILE              12.         4.         9.      82.00      0.017
 MAXIMUM                      85.         5.         9.      90.00      0.020
 DATE OF MAXIMUM       1997-09-01 1998-01-19 1997-03-17 1998-03-29 1997-03-03
 STANDARD DEVIATION           13.         1.         2.      31.84      0.004




                                P   SULPHATE         Cl          K         Ca
                            TOTAL                  DISS       DISS       DISS
                            15405      16309      17207      19105      20105
                           mg/L P   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       52         52         52         52         52
 MEAN                       0.030        37.         3.        2.1     36.226
 MINIMUM                    0.013         4.         1.        1.4     17.640
 DATE OF MINIMUM       1998-08-31 1998-05-25 1997-07-06 1997-07-06 1997-07-06
 10TH PERCENTILE            0.016         4.         2.        1.6     21.962
 MEDIAN                     0.025        16.         3.        2.2     38.880
 90TH PERCENTILE            0.033        85.         4.        2.5     46.410
 MAXIMUM                    0.116       100.         5.        3.0     48.900
 DATE OF MAXIMUM       1998-09-14 1997-04-14 1998-01-19 1997-10-13 1997-04-14
 STANDARD DEVIATION         0.021        35.         1.        0.4      9.105




                             INST
                           DISCHG
                            97160
                             m3/S


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES       52
 MEAN                        70.9
 MINIMUM                     29.5
 DATE OF MINIMUM       1997-10-13
 10TH PERCENTILE             34.4
 MEDIAN                      52.8
 90TH PERCENTILE            127.4
 MAXIMUM                    306.5
 DATE OF MAXIMUM       1997-07-06
 STANDARD DEVIATION          48.0







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Last updated: 2001-07-30