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STATISTICS FOR SPAIN

STATISTICS FOR SPAIN


GEMS/WATER - STATISTICAL SUMMARY BY STATION     2002-01-30   PAGE 735

 STATION - SAN ESTEBAN DE GORMAZ-D                  STATION NO. 075007
 COUNTRY - SPAIN                                    DEPTH(M)       0.0
 LOCATION - OCT. 0  LAT. 41/34/12  LONG. 003/13/12  ELEVATION(M)   0.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-19 TO 1995-12-13

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        BOD        COD
                             COND                  DISS                      
                            02040      02061      08101      08201      08301
                            us/cm      deg C    mg/L O2    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         24         24         24         24
 MEAN                        361.       14.2        8.5         2.        12.
 MINIMUM                     205.        4.5        4.6         1.         2.
 DATE OF MINIMUM       1994-07-13 1994-01-19 1995-08-02 1994-01-19 1994-01-19
 10TH PERCENTILE             219.        6.3        5.8         1.         4.
 MEDIAN                      359.       14.1        8.2         1.        10.
 90TH PERCENTILE             496.       21.6       11.1         5.        20.
 MAXIMUM                     550.       25.3       11.7        10.        28.
 DATE OF MAXIMUM       1995-01-24 1995-07-20 1994-02-09 1994-04-18 1994-08-10
 STANDARD DEVIATION          104.        5.9        2.2         2.         6.




                               pH   COLIFORM   FAEC COL       FAEC    SALMON-
                                       TOTAL                 STREP       ELLA
                            10301      36001      36011      36101      36220
                         pH UNITS   No/100ml   No/100ml   No/100ml      No./L


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         24         24         24         24
 MEAN                         8.0    1.5E+04      4285.       673.         0.
 MINIMUM                      7.2    1.6E+03       480.         0.         0.
 DATE OF MINIMUM       1994-10-06 1994-06-28 1994-08-10 1995-12-13 1994-01-19
 10TH PERCENTILE              7.6    3.1E+03       626.       100.         0.
 MEDIAN                       8.1    1.0E+04      3115.       440.         0.
 90TH PERCENTILE              8.4    2.1E+04      7450.      1060.         0.
 MAXIMUM                      8.7    1.0E+05     22400.      4500.         0.
 DATE OF MAXIMUM       1995-03-22 1994-10-06 1995-02-14 1995-02-14 1995-12-13
 STANDARD DEVIATION           0.3    2.0E+04      4627.       877.         0.




                               Cd         Ba       INST
                            TOTAL      TOTAL     DISCHG
                            48001      80011      97160
                          mg/L Cd    ug/L Hg       m3/S


 NO. OF L-FLAGGED VALUES        0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES       22         24         24
 MEAN                       0.000      0.017       13.1
 MINIMUM                    0.000      0.000        1.8
 DATE OF MINIMUM       1994-01-19 1994-01-19 1995-10-10
 10TH PERCENTILE            0.000      0.000        4.1
 MEDIAN                     0.000      0.000       12.3
 90TH PERCENTILE            0.001      0.000       19.4
 MAXIMUM                    0.002      0.400       27.4
 DATE OF MAXIMUM       1994-06-28 1994-03-02 1994-01-19
 STANDARD DEVIATION         0.001      0.082        6.0





 STATION - VILLAMARCIEL-DVERO R.                    STATION NO. 075008
 COUNTRY - SPAIN                                    DEPTH(M)       0.0
 LOCATION - OCT. 0  LAT. 41/28/48  LONG. 004/58/12  ELEVATION(M)   0.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-24 TO 1995-12-11

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        BOD        COD
                             COND                  DISS                      
                            02040      02061      08101      08201      08301
                            us/cm      deg C    mg/L O2    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         24         23         24         24
 MEAN                        625.       14.8        7.7         5.        12.
 MINIMUM                     428.        5.0        3.3         1.         0.
 DATE OF MINIMUM       1994-02-07 1994-02-07 1994-07-04 1994-01-24 1994-01-24
 10TH PERCENTILE             457.        6.3        4.1         1.         0.
 MEDIAN                      636.       15.2        7.9         4.         8.
 90TH PERCENTILE             803.       22.9       10.4        14.        30.
 MAXIMUM                     875.       25.9       11.4        21.        36.
 DATE OF MAXIMUM       1995-11-13 1994-08-03 1995-01-09 1995-07-10 1995-11-13
 STANDARD DEVIATION          138.        6.2        2.2         6.        13.




                               pH   COLIFORM   FAEC COL       FAEC    SALMON-
                                       TOTAL                 STREP       ELLA
                            10301      36001      36011      36101      36220
                         pH UNITS   No/100ml   No/100ml   No/100ml      No./L


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         24         24         24         24
 MEAN                         7.8    3.4E+04      9517.      1485.         0.
 MINIMUM                      7.1    3.2E+03       250.         0.         0.
 DATE OF MINIMUM       1994-07-04 1994-08-03 1994-07-04 1994-05-10 1994-01-24
 10TH PERCENTILE              7.3    4.7E+03      1018.        12.         0.
 MEDIAN                       7.8    2.6E+04      7400.       505.         0.
 90TH PERCENTILE              8.2    8.6E+04     18200.      3640.         0.
 MAXIMUM                      8.4    1.0E+05     38000.     10000.         0.
 DATE OF MAXIMUM       1995-07-10 1994-11-07 1994-09-26 1995-03-13 1995-12-11
 STANDARD DEVIATION           0.3    3.1E+04      9043.      2303.         0.




                               Cd         Ba       INST
                            TOTAL      TOTAL     DISCHG
                            48001      80011      97160
                          mg/L Cd    ug/L Hg       m3/S


 NO. OF L-FLAGGED VALUES        0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES       24         24         24
 MEAN                       0.000      0.021       66.5
 MINIMUM                    0.000      0.000       16.0
 DATE OF MINIMUM       1994-01-24 1994-01-24 1995-08-21
 10TH PERCENTILE            0.000      0.000       20.4
 MEDIAN                     0.000      0.000       46.1
 90TH PERCENTILE            0.000      0.000      132.5
 MAXIMUM                    0.004      0.500      188.0
 DATE OF MAXIMUM       1995-02-13 1994-03-07 1994-01-24
 STANDARD DEVIATION         0.001      0.102       48.6





 STATION - PUENTE PINO-DUERO R.                     STATION NO. 075009
 COUNTRY - SPAIN                                    DEPTH(M)       0.0
 LOCATION - OCT. 0  LAT. 41/31/12  LONG. 006/07/48  ELEVATION(M)   0.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-24 TO 1995-12-27

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        BOD        COD
                             COND                  DISS                      
                            02040      02061      08101      08201      08301
                            us/cm      deg C    mg/L O2    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         24         24         24         24
 MEAN                        410.       14.9        7.5         3.        11.
 MINIMUM                     278.        5.7        2.3         1.         0.
 DATE OF MINIMUM       1994-01-24 1994-02-16 1994-10-19 1994-01-24 1995-03-28
 10TH PERCENTILE             308.        7.2        3.1         1.         2.
 MEDIAN                      388.       15.2        7.2         1.         8.
 90TH PERCENTILE             522.       21.8       10.8         7.        22.
 MAXIMUM                     645.       24.0       11.3        11.        36.
 DATE OF MAXIMUM       1994-08-03 1994-08-03 1994-03-09 1995-12-27 1994-08-03
 STANDARD DEVIATION           91.        5.7        2.9         3.         9.




                               pH   COLIFORM   FAEC COL       FAEC    SALMON-
                                       TOTAL                 STREP       ELLA
                            10301      36001      36011      36101      36220
                         pH UNITS   No/100ml   No/100ml   No/100ml      No./L


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         23         23         24         24
 MEAN                         8.1      1987.       429.        71.         0.
 MINIMUM                      7.1         0.         0.         0.         0.
 DATE OF MINIMUM       1994-01-24 1994-08-03 1994-04-12 1994-04-12 1994-01-24
 10TH PERCENTILE              7.5         0.         0.         0.         0.
 MEDIAN                       8.0       650.       100.         0.         0.
 90TH PERCENTILE              8.9      4920.      1100.       180.         0.
 MAXIMUM                      9.0     18000.      3500.       880.         0.
 DATE OF MAXIMUM       1995-03-28 1994-05-30 1994-05-30 1995-12-27 1995-12-27
 STANDARD DEVIATION           0.5      3906.       792.       190.         0.




                               Cd         Ba
                            TOTAL      TOTAL
                            48001      80011
                          mg/L Cd    ug/L Hg


 NO. OF L-FLAGGED VALUES        0          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES       22         24
 MEAN                       0.001      0.000
 MINIMUM                    0.000      0.000
 DATE OF MINIMUM       1994-01-24 1994-01-24
 10TH PERCENTILE            0.000      0.000
 MEDIAN                     0.000      0.000
 90TH PERCENTILE            0.000      0.000
 MAXIMUM                    0.013      0.000
 DATE OF MAXIMUM       1995-01-31 1995-12-27
 STANDARD DEVIATION         0.003      0.000





 STATION - TRILLO - TAJO R.                         STATION NO. 075010
 COUNTRY - SPAIN                                    DEPTH(M)       0.0
 LOCATION - OCT. 0  LAT. 40/40/48  LONG. 002/34/48  ELEVATION(M)   0.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-13 TO 1995-12-12

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        BOD        COD
                             COND                  DISS                      
                            02040      02061      08101      08201      08301
                            us/cm      deg C    mg/L O2    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         24         24         23         24
 MEAN                        591.       13.2        9.6         1.        10.
 MINIMUM                     424.        4.9        7.4         1.         1.
 DATE OF MINIMUM       1994-01-13 1995-01-04 1995-08-02 1994-01-13 1994-04-06
 10TH PERCENTILE             460.        6.0        7.7         1.         2.
 MEDIAN                      614.       12.8        9.3         1.         5.
 90TH PERCENTILE             645.       20.0       11.4         1.        22.
 MAXIMUM                     668.       22.2       13.0         3.        43.
 DATE OF MAXIMUM       1995-11-15 1995-08-02 1995-01-04 1994-04-06 1994-06-01
 STANDARD DEVIATION           65.        5.3        1.5         0.        11.




                               pH   COLIFORM   FAEC COL       FAEC    SALMON-
                                       TOTAL                 STREP       ELLA
                            10301      36001      36011      36101      36220
                         pH UNITS   No/100ml   No/100ml   No/100ml      No./L


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         24         24         24         24
 MEAN                         7.8       814.       109.       162.         0.
 MINIMUM                      6.1         0.         0.         0.         0.
 DATE OF MINIMUM       1995-01-04 1994-12-01 1994-03-02 1994-02-02 1994-01-13
 10TH PERCENTILE              7.1        61.         1.         7.         0.
 MEDIAN                       7.8       380.        95.       108.         0.
 90TH PERCENTILE              8.3      2215.       240.       362.         0.
 MAXIMUM                      8.6      3000.       320.       700.         0.
 DATE OF MAXIMUM       1994-04-06 1994-01-13 1995-08-02 1994-08-03 1995-12-12
 STANDARD DEVIATION           0.5       971.        98.       188.         0.




                               Cd         Ba       INST
                            TOTAL      TOTAL     DISCHG
                            48001      80011      97160
                          mg/L Cd    ug/L Hg       m3/S


 NO. OF L-FLAGGED VALUES        0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES       22         23         24
 MEAN                       0.000      2.796       16.6
 MINIMUM                    0.000      0.010        4.9
 DATE OF MINIMUM       1994-01-13 1994-06-01 1994-07-05
 10TH PERCENTILE            0.000      1.000        6.6
 MEDIAN                     0.000      1.000       14.8
 90TH PERCENTILE            0.000      7.920       26.0
 MAXIMUM                    0.000     16.000       55.6
 DATE OF MAXIMUM       1995-12-12 1995-06-08 1994-01-13
 STANDARD DEVIATION         0.000      4.286       10.2





 STATION - ARANJUEZ - TAJO R.                       STATION NO. 075011
 COUNTRY - SPAIN                                    DEPTH(M)       0.0
 LOCATION - OCT. 0  LAT. 40/01/48  LONG. 003/36/00  ELEVATION(M)   0.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-14 TO 1995-12-04

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        BOD        COD
                             COND                  DISS                      
                            02040      02061      08101      08201      08301
                            us/cm      deg C    mg/L O2    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         24         24         23         24
 MEAN                       1707.       15.6        9.4         2.        11.
 MINIMUM                    1280.        5.0        6.1         1.         2.
 DATE OF MINIMUM       1995-06-01 1994-02-01 1995-08-03 1994-02-01 1994-01-14
 10TH PERCENTILE            1318.        6.9        6.9         1.         2.
 MEDIAN                     1620.       16.2        9.1         1.         6.
 90TH PERCENTILE            2185.       23.0       11.4         4.        24.
 MAXIMUM                    2390.       23.5       16.3        10.        40.
 DATE OF MAXIMUM       1995-11-02 1994-07-12 1995-01-03 1994-11-03 1994-09-01
 STANDARD DEVIATION          341.        6.0        2.2         2.        10.




                               pH   COLIFORM   FAEC COL       FAEC    SALMON-
                                       TOTAL                 STREP       ELLA
                            10301      36001      36011      36101      36220
                         pH UNITS   No/100ml   No/100ml   No/100ml      No./L


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       23         23         24         24         24
 MEAN                         7.7       943.       173.      1821.         0.
 MINIMUM                      6.4         0.         0.         2.         0.
 DATE OF MINIMUM       1995-01-03 1994-06-06 1994-01-14 1994-02-01 1994-01-14
 10TH PERCENTILE              7.3         3.         0.        19.         0.
 MEDIAN                       7.8       200.        17.       226.         0.
 90TH PERCENTILE              8.1      2760.       410.      3250.         0.
 MAXIMUM                      8.5      5400.      1200.     17000.         0.
 DATE OF MAXIMUM       1994-03-07 1995-03-02 1995-08-03 1995-09-04 1995-12-04
 STANDARD DEVIATION           0.4      1433.       328.      4329.         0.




                               Cd         Ba       INST
                            TOTAL      TOTAL     DISCHG
                            48001      80011      97160
                          mg/L Cd    ug/L Hg       m3/S


 NO. OF L-FLAGGED VALUES        0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES       23         23         24
 MEAN                       0.000      1.487        6.8
 MINIMUM                    0.000      0.100        2.4
 DATE OF MINIMUM       1994-01-14 1994-05-12 1995-08-03
 10TH PERCENTILE            0.000      0.370        3.3
 MEDIAN                     0.000      1.000        6.2
 90TH PERCENTILE            0.000      3.200        7.7
 MAXIMUM                    0.000      6.000       25.9
 DATE OF MAXIMUM       1995-12-04 1994-09-01 1994-09-01
 STANDARD DEVIATION         0.000      1.368        4.4





 STATION - TALAVERA DE LA REINA                     STATION NO. 075012
 COUNTRY - SPAIN                                    DEPTH(M)       0.0
 LOCATION - OCT. 0  LAT. 39/57/00  LONG. 004/49/12  ELEVATION(M)   0.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-24 TO 1995-12-11

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        BOD        COD
                             COND                  DISS                      
                            02040      02061      08101      08201      08301
                            us/cm      deg C    mg/L O2    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         24         23         23         24
 MEAN                       1479.       16.4       10.2         8.        35.
 MINIMUM                     580.        6.0        7.5         1.         4.
 DATE OF MINIMUM       1994-01-24 1995-01-16 1994-11-10 1995-01-16 1994-01-24
 10TH PERCENTILE             701.        7.0        8.0         2.         5.
 MEDIAN                     1570.       17.0        9.2         8.        38.
 90TH PERCENTILE            1890.       23.2       14.2        14.        54.
 MAXIMUM                    2000.       25.0       16.7        27.        93.
 DATE OF MAXIMUM       1995-10-17 1994-07-27 1995-10-17 1995-11-06 1994-07-27
 STANDARD DEVIATION          410.        6.1        2.5         6.        22.




                               pH   COLIFORM   FAEC COL       FAEC    SALMON-
                                       TOTAL                 STREP       ELLA
                            10301      36001      36011      36101      36220
                         pH UNITS   No/100ml   No/100ml   No/100ml      No./L


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         21         24         24         24
 MEAN                         8.0      6992.       640.      1974.         0.
 MINIMUM                      7.0         0.         0.         9.         0.
 DATE OF MINIMUM       1994-10-19 1994-07-27 1994-02-08 1994-03-10 1994-01-24
 10TH PERCENTILE              7.0         0.         0.        21.         0.
 MEDIAN                       7.9      4100.        30.       471.         0.
 90TH PERCENTILE              8.9     15900.       740.      6500.         0.
 MAXIMUM                      9.2     40000.     11000.     10700.         0.
 DATE OF MAXIMUM       1995-06-12 1995-08-08 1995-08-08 1994-08-10 1995-12-11
 STANDARD DEVIATION           0.7      9679.      2238.      3178.         0.




                               Cd         Ba       INST
                            TOTAL      TOTAL     DISCHG
                            48001      80011      97160
                          mg/L Cd    ug/L Hg       m3/S


 NO. OF L-FLAGGED VALUES        0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES       23         24         24
 MEAN                       0.000      1.325       21.6
 MINIMUM                    0.000      0.100        4.2
 DATE OF MINIMUM       1994-01-24 1994-05-11 1995-07-06
 10TH PERCENTILE            0.000      0.820        4.5
 MEDIAN                     0.000      1.000       18.8
 90TH PERCENTILE            0.000      2.000       39.0
 MAXIMUM                    0.001      4.000       70.0
 DATE OF MAXIMUM       1994-05-11 1994-04-11 1994-01-24
 STANDARD DEVIATION         0.000      0.817       15.0





 STATION - ALCANTARA - TAJO R.                      STATION NO. 075013
 COUNTRY - SPAIN                                    DEPTH(M)       0.0
 LOCATION - OCT. 0  LAT. 39/43/12  LONG. 006/55/48  ELEVATION(M)   0.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-19 TO 1995-12-27

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        BOD        COD
                             COND                  DISS                      
                            02040      02061      08101      08201      08301
                            us/cm      deg C    mg/L O2    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         24         24         24         24
 MEAN                        283.       19.8        9.6         3.        13.
 MINIMUM                     105.       10.0        6.3         1.         4.
 DATE OF MINIMUM       1994-07-27 1994-01-19 1994-11-22 1994-01-19 1994-02-09
 10TH PERCENTILE             118.       12.4        6.3         1.         4.
 MEDIAN                      286.       18.9        9.9         2.         9.
 90TH PERCENTILE             454.       27.1       12.1         6.        23.
 MAXIMUM                     507.       28.4       15.2        20.        46.
 DATE OF MAXIMUM       1994-02-09 1995-07-18 1994-09-06 1994-09-06 1994-09-06
 STANDARD DEVIATION          121.        5.6        2.5         4.        10.




                               pH   COLIFORM   FAEC COL       FAEC    SALMON-
                                       TOTAL                 STREP       ELLA
                            10301      36001      36011      36101      36220
                         pH UNITS   No/100ml   No/100ml   No/100ml      No./L


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         22         24         24         24
 MEAN                         8.3      1594.        21.      2374.         0.
 MINIMUM                      6.8         0.         0.         0.         0.
 DATE OF MINIMUM       1995-02-20 1995-06-29 1994-02-09 1994-02-09 1994-01-19
 10TH PERCENTILE              7.0         0.         0.         0.         0.
 MEDIAN                       8.2       162.         4.        62.         0.
 90TH PERCENTILE              9.8      5520.        65.       745.         0.
 MAXIMUM                     10.0     12000.       110.     53000.         0.
 DATE OF MAXIMUM       1995-08-30 1994-03-15 1994-04-06 1995-08-30 1995-12-27
 STANDARD DEVIATION           1.0      3359.        31.     10789.         0.




                               Cd         Ba
                            TOTAL      TOTAL
                            48001      80011
                          mg/L Cd    ug/L Hg


 NO. OF L-FLAGGED VALUES        0          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES       19         24
 MEAN                       0.000      0.796
 MINIMUM                    0.000      0.100
 DATE OF MINIMUM       1994-01-19 1994-05-24
 10TH PERCENTILE            0.000      0.100
 MEDIAN                     0.000      1.000
 90TH PERCENTILE            0.000      1.000
 MAXIMUM                    0.000      2.000
 DATE OF MAXIMUM       1995-09-27 1995-06-29
 STANDARD DEVIATION         0.000      0.471





 STATION - BALBUENA - GUADIANA R.                   STATION NO. 075014
 COUNTRY - SPAIN                                    DEPTH(M)       0.0
 LOCATION - OCT. 0  LAT. 38/55/48  LONG. 004/10/48  ELEVATION(M)   0.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-03 TO 1995-12-04

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        BOD        COD
                             COND                  DISS                      
                            02040      02061      08101      08201      08301
                            us/cm      deg C    mg/L O2    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       16         16         16         16         16
 MEAN                       1805.       14.1        5.4         6.        48.
 MINIMUM                    1570.        5.0        1.3         2.        25.
 DATE OF MINIMUM       1994-03-02 1994-02-01 1995-04-06 1995-07-06 1995-01-10
 10TH PERCENTILE            1582.        6.2        1.4         3.        25.
 MEDIAN                     1765.       12.2        4.8         6.        38.
 90TH PERCENTILE            1982.       21.7        8.9         8.        94.
 MAXIMUM                    2400.       28.5       10.6        14.       120.
 DATE OF MAXIMUM       1995-11-10 1994-06-07 1995-03-07 1994-11-08 1994-01-03
 STANDARD DEVIATION          206.        6.1        2.9         3.        29.




                               pH   COLIFORM   FAEC COL       FAEC    SALMON-
                                       TOTAL                 STREP       ELLA
                            10301      36001      36011      36101      36220
                         pH UNITS   No/100ml   No/100ml   No/100ml      No./L


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       16         16         16         16         16
 MEAN                         8.0       167.         0.        43.         0.
 MINIMUM                      7.7         0.         0.         0.         0.
 DATE OF MINIMUM       1995-06-08 1994-01-03 1994-01-03 1995-01-10 1994-01-03
 10TH PERCENTILE              7.7         0.         0.         0.         0.
 MEDIAN                       7.9         0.         0.         9.         0.
 90TH PERCENTILE              8.0       110.         0.        51.         0.
 MAXIMUM                     10.2      2400.         0.       460.         0.
 DATE OF MAXIMUM       1994-06-07 1994-11-08 1995-12-04 1994-06-07 1995-12-04
 STANDARD DEVIATION           0.6       598.         0.       114.         0.




                               Cd         Ba       INST
                            TOTAL      TOTAL     DISCHG
                            48001      80011      97160
                          mg/L Cd    ug/L Hg       m3/S


 NO. OF L-FLAGGED VALUES        0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES       16         16          5
 MEAN                       0.000      0.000        0.0
 MINIMUM                    0.000      0.000        0.0
 DATE OF MINIMUM       1994-01-03 1994-01-03 1995-01-10
 10TH PERCENTILE            0.000      0.000           
 MEDIAN                     0.000      0.000        0.0
 90TH PERCENTILE            0.000      0.000           
 MAXIMUM                    0.000      0.000        0.0
 DATE OF MAXIMUM       1995-12-04 1995-12-04 1995-05-09
 STANDARD DEVIATION         0.000      0.000        0.0





 STATION - BADAJOZ - GUADIANA R.                    STATION NO. 075015
 COUNTRY - SPAIN                                    DEPTH(M)       0.0
 LOCATION - OCT. 0  LAT. 38/46/12  LONG. 007/12/00  ELEVATION(M)   0.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-10 TO 1995-12-04

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        BOD        COD
                             COND                  DISS                      
                            02040      02061      08101      08201      08301
                            us/cm      deg C    mg/L O2    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       23         23         23         23         23
 MEAN                        550.       18.1        8.7         7.        29.
 MINIMUM                     230.        8.0        0.7         2.        15.
 DATE OF MINIMUM       1994-03-07 1994-02-07 1994-09-07 1994-03-07 1995-12-04
 10TH PERCENTILE             311.       10.2        4.3         3.        20.
 MEDIAN                      595.       18.8        8.4         7.        30.
 90TH PERCENTILE             733.       24.9       12.6        11.        40.
 MAXIMUM                     795.       27.0       14.3        12.        40.
 DATE OF MAXIMUM       1995-11-08 1994-08-03 1995-02-09 1995-09-06 1994-03-07
 STANDARD DEVIATION          148.        5.9        3.2         3.         7.




                               pH   COLIFORM   FAEC COL       FAEC    SALMON-
                                       TOTAL                 STREP       ELLA
                            10301      36001      36011      36101      36220
                         pH UNITS   No/100ml   No/100ml   No/100ml      No./L


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       23         23         23         23         23
 MEAN                         8.0       204.         1.        35.         0.
 MINIMUM                      7.2         0.         0.         0.         0.
 DATE OF MINIMUM       1994-03-07 1994-04-11 1994-04-11 1994-02-07 1994-01-10
 10TH PERCENTILE              7.3         0.         0.         0.         0.
 MEDIAN                       8.1        10.         0.         9.         0.
 90TH PERCENTILE              8.8       460.         4.        62.         0.
 MAXIMUM                      8.9      2400.         9.       460.         0.
 DATE OF MAXIMUM       1994-08-03 1995-04-05 1994-03-07 1994-11-07 1995-12-04
 STANDARD DEVIATION           0.5       542.         3.        95.         0.




                               Cd         Ba       INST
                            TOTAL      TOTAL     DISCHG
                            48001      80011      97160
                          mg/L Cd    ug/L Hg       m3/S


 NO. OF L-FLAGGED VALUES        0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES       23         23          8
 MEAN                       0.000      0.000        1.0
 MINIMUM                    0.000      0.000        0.0
 DATE OF MINIMUM       1994-01-10 1994-01-10 1995-08-02
 10TH PERCENTILE            0.000      0.000           
 MEDIAN                     0.000      0.000        0.1
 90TH PERCENTILE            0.000      0.000           
 MAXIMUM                    0.000      0.000        4.4
 DATE OF MAXIMUM       1995-12-04 1995-12-04 1995-01-09
 STANDARD DEVIATION         0.000      0.000        1.7





 STATION - MENJIBAR-GUADALQUIVIR R                  STATION NO. 075016
 COUNTRY - SPAIN                                    DEPTH(M)       0.0
 LOCATION - OCT. 0  LAT. 37/58/12  LONG. 003/49/48  ELEVATION(M)   0.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-15 TO 1995-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        BOD        COD
                             COND                  DISS                      
                            02040      02061      08101      08201      08301
                            us/cm      deg C    mg/L O2    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       21         21         21         20         15
 MEAN                       1693.       18.8        5.6        86.       228.
 MINIMUM                     586.        9.3        0.0         1.         4.
 DATE OF MINIMUM       1994-04-15 1994-01-15 1995-02-15 1994-09-15 1994-06-15
 10TH PERCENTILE             944.        9.7        0.0         5.         9.
 MEDIAN                     1460.       18.7        6.7        27.        66.
 90TH PERCENTILE            2936.       26.3        9.4       270.       400.
 MAXIMUM                    3250.       29.3       15.2       428.      1820.
 DATE OF MAXIMUM       1995-05-15 1994-07-15 1995-12-15 1995-01-15 1995-02-15
 STANDARD DEVIATION          739.        5.9        4.3       130.       461.




                               pH   COLIFORM   FAEC COL       FAEC    SALMON-
                                       TOTAL                 STREP       ELLA
                            10301      36001      36011      36101      36220
                         pH UNITS   No/100ml   No/100ml   No/100ml      No./L


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0         10          1          0          0
 NO. OF UNFLAGGED VALUES       21         10          8         10         15
 MEAN                         7.7    5.6E+05    1.2E+05      2508.         0.
 MINIMUM                      7.0    2.2E+02    0.0E+00         0.         0.
 DATE OF MINIMUM       1994-08-15 1995-12-15 1995-12-15 1994-10-15 1994-01-15
 10TH PERCENTILE              7.1    5.0E+03                    0.         0.
 MEDIAN                       7.8    7.5E+05    3.3E+03       224.         0.
 90TH PERCENTILE              8.1    1.0E+06                 3000.         0.
 MAXIMUM                      8.6    1.0E+06    1.0E+06     20000.         1.
 DATE OF MAXIMUM       1994-09-15 1995-09-15 1995-11-15 1995-11-15 1995-11-15
 STANDARD DEVIATION           0.4    4.7E+05    3.3E+05      6215.         0.




                               Cd         Ba       INST
                            TOTAL      TOTAL     DISCHG
                            48001      80011      97160
                          mg/L Cd    ug/L Hg       m3/S


 NO. OF L-FLAGGED VALUES        0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES       20         20          7
 MEAN                       0.002      0.150       11.7
 MINIMUM                    0.000      0.000        0.6
 DATE OF MINIMUM       1994-03-15 1994-01-15 1994-04-15
 10TH PERCENTILE            0.000      0.000           
 MEDIAN                     0.000      0.000        4.2
 90TH PERCENTILE            0.004      1.000           
 MAXIMUM                    0.014      1.000       25.0
 DATE OF MAXIMUM       1994-02-15 1994-10-15 1994-07-15
 STANDARD DEVIATION         0.003      0.366       12.5





 STATION - PENAFLOR-GUADALQUIVIR R                  STATION NO. 075017
 COUNTRY - SPAIN                                    DEPTH(M)       0.0
 LOCATION - OCT. 0  LAT. 37/40/48  LONG. 005/21/00  ELEVATION(M)   0.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-15 TO 1995-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        BOD        COD
                             COND                  DISS                      
                            02040      02061      08101      08201      08301
                            us/cm      deg C    mg/L O2    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       22         22         20         22         18
 MEAN                       1542.       18.8        7.8        17.        35.
 MINIMUM                     680.        9.3        2.5         6.         9.
 DATE OF MINIMUM       1995-02-15 1995-01-15 1994-03-15 1994-09-15 1994-06-15
 10TH PERCENTILE             949.       10.0        4.3         8.        15.
 MEDIAN                     1610.       18.6        7.6        15.        33.
 90TH PERCENTILE            2070.       26.0       10.4        24.        55.
 MAXIMUM                    2390.       26.7       17.5        44.        62.
 DATE OF MAXIMUM       1995-03-15 1994-08-15 1995-12-15 1995-12-15 1995-03-15
 STANDARD DEVIATION          452.        5.3        3.1         8.        15.




                               pH   COLIFORM   FAEC COL       FAEC    SALMON-
                                       TOTAL                 STREP       ELLA
                            10301      36001      36011      36101      36220
                         pH UNITS   No/100ml   No/100ml   No/100ml      No./L


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       22         22         15         16         17
 MEAN                         7.8    3.5E+04      6117.       383.         1.
 MINIMUM                      7.2    1.6E+03        52.         0.         0.
 DATE OF MINIMUM       1995-11-15 1995-10-15 1995-01-15 1994-10-15 1994-01-15
 10TH PERCENTILE              7.3    2.6E+03       335.        14.         0.
 MEDIAN                       7.9    2.1E+04      4060.       350.         0.
 90TH PERCENTILE              8.5    5.3E+04     14235.       868.         0.
 MAXIMUM                      8.8    2.7E+05     27700.      1050.        20.
 DATE OF MAXIMUM       1995-03-15 1994-03-15 1994-03-15 1994-03-15 1994-05-15
 STANDARD DEVIATION           0.4    5.5E+04      7755.       322.         5.




                               Cd         Ba       INST
                            TOTAL      TOTAL     DISCHG
                            48001      80011      97160
                          mg/L Cd    ug/L Hg       m3/S


 NO. OF L-FLAGGED VALUES        0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES       22         22          6
 MEAN                       0.001      0.182        1.0
 MINIMUM                    0.000      0.000        0.0
 DATE OF MINIMUM       1994-01-15 1994-01-15 1994-01-15
 10TH PERCENTILE            0.000      0.000           
 MEDIAN                     0.001      0.000        0.9
 90TH PERCENTILE            0.002      0.800           
 MAXIMUM                    0.004      2.000        2.0
 DATE OF MAXIMUM       1994-09-15 1994-10-15 1994-06-15
 STANDARD DEVIATION         0.001      0.501        0.9





 STATION - SEVILLE-GUADALQUIVIR R.                  STATION NO. 075018
 COUNTRY - SPAIN                                    DEPTH(M)       0.0
 LOCATION - OCT. 0  LAT. 37/22/12  LONG. 005/58/48  ELEVATION(M)   0.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-15 TO 1995-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        BOD        COD
                             COND                  DISS                      
                            02040      02061      08101      08201      08301
                            us/cm      deg C    mg/L O2    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       22         22         22         22         17
 MEAN                       2386.       19.6        4.5        17.        42.
 MINIMUM                     858.        9.2        0.5         6.        10.
 DATE OF MINIMUM       1994-08-15 1995-01-15 1994-12-15 1994-07-15 1994-07-15
 10TH PERCENTILE            1116.       11.2        1.2         6.        11.
 MEDIAN                     1860.       19.9        2.8        17.        46.
 90TH PERCENTILE            4976.       26.9        7.5        23.        62.
 MAXIMUM                    6430.       28.2       22.7        30.        66.
 DATE OF MAXIMUM       1995-10-15 1994-08-15 1994-01-15 1995-12-15 1995-05-15
 STANDARD DEVIATION         1521.        5.7        5.6         6.        17.




                               pH   COLIFORM   FAEC COL       FAEC    SALMON-
                                       TOTAL                 STREP       ELLA
                            10301      36001      36011      36101      36220
                         pH UNITS   No/100ml   No/100ml   No/100ml      No./L


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       22         22         12         13         18
 MEAN                         7.5    1.5E+05    7.6E+04      2561.         0.
 MINIMUM                      7.1    3.7E+03    2.7E+03         0.         0.
 DATE OF MINIMUM       1995-10-15 1994-10-15 1994-01-15 1994-10-15 1994-01-15
 10TH PERCENTILE              7.1    1.8E+04    3.4E+03       150.         0.
 MEDIAN                       7.4    6.8E+04    1.8E+04      1160.         0.
 90TH PERCENTILE              7.9    3.6E+05    6.9E+04      3780.         1.
 MAXIMUM                      8.1    6.5E+05    6.5E+05     15000.         2.
 DATE OF MAXIMUM       1995-01-15 1995-11-15 1995-11-15 1995-11-15 1994-06-15
 STANDARD DEVIATION           0.3    1.7E+05    1.8E+05      3909.         1.




                               Cd         Ba       INST
                            TOTAL      TOTAL     DISCHG
                            48001      80011      97160
                          mg/L Cd    ug/L Hg       m3/S


 NO. OF L-FLAGGED VALUES        0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES       22         22          8
 MEAN                       0.002      0.182        5.8
 MINIMUM                    0.000      0.000        0.0
 DATE OF MINIMUM       1994-05-15 1994-01-15 1994-04-15
 10TH PERCENTILE            0.000      0.000           
 MEDIAN                     0.001      0.000        3.9
 90TH PERCENTILE            0.004      1.000           
 MAXIMUM                    0.015      1.000       18.5
 DATE OF MAXIMUM       1994-01-15 1995-10-15 1994-07-15
 STANDARD DEVIATION         0.003      0.395        7.1





 STATION - MIRANDA DE EBRO-EBRO R.                  STATION NO. 075019
 COUNTRY - SPAIN                                    DEPTH(M)       0.0
 LOCATION - OCT. 0  LAT. 42/40/48  LONG. 003/01/12  ELEVATION(M)   0.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-17 TO 1995-12-06

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        BOD        COD
                             COND                  DISS                      
                            02040      02061      08101      08201      08301
                            us/cm      deg C    mg/L O2    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         24         24         24         24
 MEAN                        543.       16.7        9.6         7.        14.
 MINIMUM                     305.        8.3        6.9         3.         5.
 DATE OF MINIMUM       1995-03-06 1994-01-17 1995-10-23 1994-03-06 1994-04-06
 10TH PERCENTILE             333.        8.7        7.3         5.         8.
 MEDIAN                      542.       16.2        9.2         6.        13.
 90TH PERCENTILE             710.       23.0       11.5        11.        20.
 MAXIMUM                    1010.       28.3       14.6        17.        30.
 DATE OF MAXIMUM       1994-12-04 1994-07-05 1995-03-06 1994-10-03 1995-03-06
 STANDARD DEVIATION          164.        6.0        2.0         3.         5.




                               pH   COLIFORM   FAEC COL       FAEC    SALMON-
                                       TOTAL                 STREP       ELLA
                            10301      36001      36011      36101      36220
                         pH UNITS   No/100ml   No/100ml   No/100ml      No./L


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         24         24         24         24
 MEAN                         7.9    8.9E+03      1104.       222.        11.
 MINIMUM                      7.6    2.0E+02        20.         2.         0.
 DATE OF MINIMUM       1994-07-05 1994-05-04 1995-07-04 1995-06-06 1994-01-17
 10TH PERCENTILE              7.7    2.5E+02        42.         3.         0.
 MEDIAN                       7.9    1.6E+03       235.        22.         0.
 90TH PERCENTILE              8.1    8.8E+03      2150.       360.         6.
 MAXIMUM                      8.2    1.3E+05     12700.      3100.       240.
 DATE OF MAXIMUM       1995-01-10 1994-04-06 1994-04-06 1994-04-06 1994-04-06
 STANDARD DEVIATION           0.2    2.7E+04      2600.       641.        49.




                               Cd         Ba       INST
                            TOTAL      TOTAL     DISCHG
                            48001      80011      97160
                          mg/L Cd    ug/L Hg       m3/S


 NO. OF L-FLAGGED VALUES        0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES       23         22         24
 MEAN                       0.000      0.000       74.7
 MINIMUM                    0.000      0.000       10.0
 DATE OF MINIMUM       1994-01-17 1994-01-17 1995-05-03
 10TH PERCENTILE            0.000      0.000       10.5
 MEDIAN                     0.000      0.000       27.8
 90TH PERCENTILE            0.000      0.000       94.8
 MAXIMUM                    0.000      0.000      865.0
 DATE OF MAXIMUM       1995-03-06 1995-12-06 1995-03-06
 STANDARD DEVIATION         0.000      0.000      174.7





 STATION - ZARAGOZA - EBRO R.                       STATION NO. 075020
 COUNTRY - SPAIN                                    DEPTH(M)       0.0
 LOCATION - OCT. 0  LAT. 41/40/48  LONG. 000/55/12  ELEVATION(M)   0.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-03 TO 1995-12-04

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        BOD        COD
                             COND                  DISS                      
                            02040      02061      08101      08201      08301
                            us/cm      deg C    mg/L O2    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         24         24         24         24
 MEAN                       1319.       16.8       11.2         8.        12.
 MINIMUM                     446.        7.0        3.4         5.         6.
 DATE OF MINIMUM       1995-01-08 1995-01-08 1994-07-03 1994-03-01 1994-03-01
 10TH PERCENTILE             533.        7.8        8.7         5.         7.
 MEDIAN                     1345.       16.2       10.9         8.        11.
 90TH PERCENTILE            2005.       25.9       13.5        10.        17.
 MAXIMUM                    2440.       31.3       20.1        15.        25.
 DATE OF MAXIMUM       1995-11-12 1994-07-03 1995-08-01 1994-07-03 1995-01-08
 STANDARD DEVIATION          569.        7.0        3.0         2.         5.




                               pH   COLIFORM   FAEC COL       FAEC    SALMON-
                                       TOTAL                 STREP       ELLA
                            10301      36001      36011      36101      36220
                         pH UNITS   No/100ml   No/100ml   No/100ml      No./L


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         24         24         24         24
 MEAN                         7.9    3.4E+04      3584.       546.         5.
 MINIMUM                      7.4    2.0E+02         1.         4.         0.
 DATE OF MINIMUM       1994-07-03 1995-09-03 1995-09-03 1995-08-01 1994-02-01
 10TH PERCENTILE              7.6    1.1E+03        72.        15.         0.
 MEDIAN                       7.9    1.0E+04      1025.       235.         0.
 90TH PERCENTILE              8.2    8.8E+04      7700.      1000.         6.
 MAXIMUM                      8.3    2.0E+05     20000.      4000.        43.
 DATE OF MAXIMUM       1995-05-01 1994-10-02 1994-06-01 1995-01-08 1994-07-03
 STANDARD DEVIATION           0.2    4.7E+04      5437.       909.        11.




                               Cd         Ba       INST
                            TOTAL      TOTAL     DISCHG
                            48001      80011      97160
                          mg/L Cd    ug/L Hg       m3/S


 NO. OF L-FLAGGED VALUES        0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES       23         23         24
 MEAN                       0.000      0.000      211.9
 MINIMUM                    0.000      0.000       24.0
 DATE OF MINIMUM       1994-03-01 1994-01-03 1995-09-03
 10TH PERCENTILE            0.000      0.000       27.2
 MEDIAN                     0.000      0.000       78.5
 90TH PERCENTILE            0.000      0.000      646.5
 MAXIMUM                    0.006      0.000     1030.0
 DATE OF MAXIMUM       1995-09-03 1995-12-04 1995-01-08
 STANDARD DEVIATION         0.001      0.000      285.9





 STATION - TORTOSA - EBRO R.                        STATION NO. 075021
 COUNTRY - SPAIN                                    DEPTH(M)       0.0
 LOCATION - OCT. 0  LAT. 40/52/12  LONG. 000/31/48  ELEVATION(M)   0.0
 REGIONAL CENTRE - EURA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1994-01-01 TO 1996-12-31
 PERIOD OF RECORD FROM  - 1994-01-20 TO 1995-12-17

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        BOD        COD
                             COND                  DISS                      
                            02040      02061      08101      08201      08301
                            us/cm      deg C    mg/L O2    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         24         24         24         24
 MEAN                       1012.       18.6        9.8        11.        16.
 MINIMUM                     636.        9.0        7.6         4.         2.
 DATE OF MINIMUM       1994-02-15 1994-01-20 1995-10-24 1994-03-20 1995-03-20
 10TH PERCENTILE             683.        9.4        7.7         5.         7.
 MEDIAN                      940.       18.7        9.8         9.        11.
 90TH PERCENTILE            1290.       26.5       11.3        15.        25.
 MAXIMUM                    1770.       30.4       14.2        56.        60.
 DATE OF MAXIMUM       1995-12-17 1994-07-17 1995-01-22 1995-09-17 1995-09-17
 STANDARD DEVIATION          285.        6.2        1.6        10.        14.




                               pH   COLIFORM   FAEC COL       FAEC    SALMON-
                                       TOTAL                 STREP       ELLA
                            10301      36001      36011      36101      36220
                         pH UNITS   No/100ml   No/100ml   No/100ml      No./L


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          3          1          0          0
 NO. OF UNFLAGGED VALUES       24         21         23         24         24
 MEAN                         8.0    1.8E+05    5.5E+04    1.8E+04       179.
 MINIMUM                      7.6    3.0E+00    0.0E+00    0.0E+00         0.
 DATE OF MINIMUM       1994-06-20 1995-08-08 1995-08-08 1994-07-17 1994-01-20
 10TH PERCENTILE              7.7    9.4E+02    1.9E+02    4.0E+00         0.
 MEDIAN                       8.0    3.4E+04    5.0E+03    5.5E+02         4.
 90TH PERCENTILE              8.2    6.5E+05    7.0E+04    7.0E+03       305.
 MAXIMUM                      8.4    1.0E+06    1.0E+06    3.6E+05      2400.
 DATE OF MAXIMUM       1995-07-17 1995-06-20 1995-06-20 1995-09-17 1995-06-20
 STANDARD DEVIATION           0.2    3.3E+05    2.0E+05    7.3E+04       529.




                               Cd         Ba       INST
                            TOTAL      TOTAL     DISCHG
                            48001      80011      97160
                          mg/L Cd    ug/L Hg       m3/S


 NO. OF L-FLAGGED VALUES        0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES       23         23         24
 MEAN                       0.000      0.000      232.1
 MINIMUM                    0.000      0.000       57.0
 DATE OF MINIMUM       1994-01-20 1994-01-20 1995-07-17
 10TH PERCENTILE            0.000      0.000       62.8
 MEDIAN                     0.000      0.000      111.0
 90TH PERCENTILE            0.000      0.000      584.5
 MAXIMUM                    0.001      0.000      772.0
 DATE OF MAXIMUM       1994-10-10 1995-12-17 1995-01-22
 STANDARD DEVIATION         0.000      0.000      221.9



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Last updated: 2001-07-30