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STATISTICS FOR SPAIN

STATISTICS FOR SPAIN


GEMS/WATER - STATISTICAL SUMMARY BY STATION     2002-01-24   PAGE 842

 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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-17 TO 1993-12-21

 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       36         36         36         36         35
 MEAN                        358.       12.0        9.0         2.        12.
 MINIMUM                     248.        3.5        5.1         1.         2.
 DATE OF MINIMUM       1993-08-11 1992-02-06 1993-08-11 1992-02-06 1993-03-09
 10TH PERCENTILE             253.        5.4        6.9         1.         5.
 MEDIAN                      358.        9.8        9.0         2.        11.
 90TH PERCENTILE             441.       19.9       10.9         3.        20.
 MAXIMUM                     475.       24.5       13.2        12.        30.
 DATE OF MAXIMUM       1992-03-04 1992-08-03 1993-01-26 1993-04-14 1993-04-14
 STANDARD DEVIATION           71.        5.6        1.8         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       35         32         34         14         14
 MEAN                         7.8    1.7E+04    4.5E+03       149.         0.
 MINIMUM                      6.4    6.0E+01    0.0E+00         0.         0.
 DATE OF MINIMUM       1991-01-17 1992-03-04 1992-11-19 1992-11-19 1992-11-19
 10TH PERCENTILE              7.2    7.6E+02    0.0E+00         0.         0.
 MEDIAN                       7.8    5.4E+03    3.7E+02       105.         0.
 90TH PERCENTILE              8.4    5.6E+04    3.5E+03       280.         0.
 MAXIMUM                      8.8    1.0E+05    1.0E+05       680.         0.
 DATE OF MAXIMUM       1993-05-04 1993-08-11 1993-04-14 1993-11-16 1993-12-21
 STANDARD DEVIATION           0.5    3.0E+04    1.7E+04       190.         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       36         36         36
 MEAN                       0.000      0.000       13.6
 MINIMUM                    0.000      0.000        6.9
 DATE OF MINIMUM       1991-01-17 1991-01-17 1993-04-14
 10TH PERCENTILE            0.000      0.000        7.6
 MEDIAN                     0.000      0.000       11.6
 90TH PERCENTILE            0.000      0.000       22.7
 MAXIMUM                    0.003      0.000       42.7
 DATE OF MAXIMUM       1993-04-14 1993-12-21 1991-03-04
 STANDARD DEVIATION         0.001      0.000        7.7





 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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-07 TO 1993-12-27

 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       36         36         36         36         34
 MEAN                        557.       13.3        7.1         4.        20.
 MINIMUM                     339.        2.0        2.9         1.         3.
 DATE OF MINIMUM       1993-04-14 1992-01-17 1992-08-04 1992-11-09 1993-10-04
 10TH PERCENTILE             442.        5.6        4.7         1.         7.
 MEDIAN                      544.       12.7        7.2         3.        19.
 90TH PERCENTILE             639.       22.1        9.4         6.        29.
 MAXIMUM                     768.       25.5       11.2        14.        59.
 DATE OF MAXIMUM       1992-04-02 1993-08-09 1993-03-15 1993-04-14 1992-04-02
 STANDARD DEVIATION           85.        6.6        1.9         3.        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       29         35         34         12         12
 MEAN                         7.6    3.8E+04    8.8E+03       337.         0.
 MINIMUM                      7.0    0.0E+00    0.0E+00         0.         0.
 DATE OF MINIMUM       1993-12-27 1993-01-18 1992-12-28 1993-01-18 1993-01-18
 10TH PERCENTILE              7.2    1.1E+03    0.0E+00         0.         0.
 MEDIAN                       7.6    1.5E+04    2.2E+03       105.         0.
 90TH PERCENTILE              8.0    1.0E+05    1.8E+04       826.         0.
 MAXIMUM                      8.2    1.8E+05    1.0E+05      1700.         0.
 DATE OF MAXIMUM       1993-07-07 1992-06-01 1993-04-14 1993-11-22 1993-12-27
 STANDARD DEVIATION           0.3    4.7E+04    2.1E+04       521.         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       35         36         33
 MEAN                       0.000      0.139       55.6
 MINIMUM                    0.000      0.000       13.7
 DATE OF MINIMUM       1991-01-07 1991-04-08 1991-09-02
 10TH PERCENTILE            0.000      0.000       20.9
 MEDIAN                     0.000      0.000       37.0
 90TH PERCENTILE            0.000      0.300       90.1
 MAXIMUM                    0.003      2.000      394.0
 DATE OF MAXIMUM       1993-04-14 1991-02-04 1991-03-08
 STANDARD DEVIATION         0.001      0.424       65.6





 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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-17 TO 1993-12-13

 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       36         36         36         36         34
 MEAN                        406.       14.4        7.3         2.        15.
 MINIMUM                     263.        6.0        2.6         1.         2.
 DATE OF MINIMUM       1993-12-13 1991-01-17 1993-04-27 1991-12-10 1993-10-13
 10TH PERCENTILE             295.        6.1        3.7         1.         4.
 MEDIAN                      369.       13.7        7.1         2.        13.
 90TH PERCENTILE             549.       22.4       10.8         3.        26.
 MAXIMUM                     646.       25.0       12.7        12.        66.
 DATE OF MAXIMUM       1992-04-07 1991-08-07 1993-03-08 1993-04-27 1991-08-07
 STANDARD DEVIATION          104.        6.2        2.8         2.        12.




                               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       35         30         29         14         14
 MEAN                         7.8      1378.       421.         5.         0.
 MINIMUM                      6.5         0.         0.         0.         0.
 DATE OF MINIMUM       1992-04-07 1993-07-20 1992-07-06 1992-11-03 1992-11-03
 10TH PERCENTILE              6.8        11.         0.         0.         0.
 MEDIAN                       7.7       500.         4.         0.         0.
 90TH PERCENTILE              8.6      3900.      1010.        10.         0.
 MAXIMUM                      9.2     10600.      4500.        40.         0.
 DATE OF MAXIMUM       1991-08-07 1991-08-07 1991-08-07 1993-11-08 1993-12-13
 STANDARD DEVIATION           0.7      2235.       914.        11.         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       36         36         24
 MEAN                       0.000      0.000      173.3
 MINIMUM                    0.000      0.000       11.3
 DATE OF MINIMUM       1991-01-17 1991-01-17 1991-08-07
 10TH PERCENTILE            0.000      0.000       37.2
 MEDIAN                     0.000      0.000      117.5
 90TH PERCENTILE            0.000      0.000      334.5
 MAXIMUM                    0.003      0.000      393.0
 DATE OF MAXIMUM       1993-12-13 1993-12-13 1993-12-13
 STANDARD DEVIATION         0.001      0.000      121.2





 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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-03 TO 1993-12-10

 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       36         36         36         36         36
 MEAN                        505.       12.7       10.1         1.         2.
 MINIMUM                     394.        2.0        7.0         1.         1.
 DATE OF MINIMUM       1992-11-05 1992-02-04 1991-09-03 1991-01-03 1991-07-08
 10TH PERCENTILE             426.        6.0        8.2         1.         1.
 MEDIAN                      504.       12.0       10.4         1.         2.
 90TH PERCENTILE             577.       21.0       11.6         1.         3.
 MAXIMUM                     606.       23.0       12.6         4.         5.
 DATE OF MAXIMUM       1992-08-17 1991-09-03 1993-03-03 1992-05-05 1992-05-05
 STANDARD DEVIATION           53.        5.5        1.3         1.         1.




                               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       36         36         36         36         36
 MEAN                         7.9      3622.        47.       148.         0.
 MINIMUM                      7.3         0.         0.         0.         0.
 DATE OF MINIMUM       1992-09-09 1993-12-10 1991-02-06 1992-11-05 1991-01-03
 10TH PERCENTILE              7.6      1000.         0.         1.         0.
 MEDIAN                       8.0      3000.         2.        34.         0.
 90TH PERCENTILE              8.1      4580.        51.       348.         0.
 MAXIMUM                      8.3     24000.       916.      1070.         1.
 DATE OF MAXIMUM       1991-04-02 1992-07-01 1991-12-02 1993-08-04 1991-12-02
 STANDARD DEVIATION           0.2      3927.       164.       243.         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       36         36         36
 MEAN                       0.000      0.000       17.8
 MINIMUM                    0.000      0.000        0.0
 DATE OF MINIMUM       1991-01-03 1991-01-03 1992-10-01
 10TH PERCENTILE            0.000      0.000        0.0
 MEDIAN                     0.000      0.000       18.2
 90TH PERCENTILE            0.000      0.000       25.6
 MAXIMUM                    0.000      0.000       37.0
 DATE OF MAXIMUM       1993-12-10 1993-12-10 1991-04-02
 STANDARD DEVIATION         0.000      0.000        8.6





 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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-04 TO 1993-11-02

 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       35         35         35         35         35
 MEAN                       1340.       15.2        9.6         2.         3.
 MINIMUM                    1000.        6.0        5.8         1.         2.
 DATE OF MINIMUM       1991-07-02 1993-01-11 1992-04-03 1991-02-04 1993-07-06
 10TH PERCENTILE            1110.        7.0        7.7         1.         2.
 MEDIAN                     1340.       14.0        9.6         1.         2.
 90TH PERCENTILE            1555.       23.0       11.6         3.         4.
 MAXIMUM                    1900.       28.0       12.7         5.         6.
 DATE OF MAXIMUM       1993-11-02 1991-09-04 1993-01-11 1992-08-13 1992-08-13
 STANDARD DEVIATION          188.        5.9        1.5         1.         1.




                               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       35         35         35         35         35
 MEAN                         7.9      5400.        11.       221.         0.
 MINIMUM                      7.1      1000.         0.         0.         0.
 DATE OF MINIMUM       1991-09-04 1991-01-04 1991-02-04 1992-11-03 1991-01-04
 10TH PERCENTILE              7.4      1800.         0.         2.         0.
 MEDIAN                       7.9      4000.         7.       110.         0.
 90TH PERCENTILE              8.1     10000.        20.       542.         0.
 MAXIMUM                      8.7     36000.       141.      1610.         0.
 DATE OF MAXIMUM       1991-06-06 1991-09-04 1991-01-04 1991-10-14 1993-11-02
 STANDARD DEVIATION           0.3      6159.        24.       322.         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       34         34         34
 MEAN                       0.000      0.000        8.0
 MINIMUM                    0.000      0.000        0.0
 DATE OF MINIMUM       1991-01-04 1991-01-04 1992-05-12
 10TH PERCENTILE            0.000      0.000        1.8
 MEDIAN                     0.000      0.000        7.5
 90TH PERCENTILE            0.000      0.000       11.3
 MAXIMUM                    0.000      0.000       30.7
 DATE OF MAXIMUM       1993-11-02 1993-11-02 1993-07-06
 STANDARD DEVIATION         0.000      0.000        5.1





 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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-09 TO 1993-12-20

 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       36         36         36         36         36
 MEAN                       1240.       14.2        9.0         7.        12.
 MINIMUM                     500.        1.0        5.4         1.         3.
 DATE OF MINIMUM       1993-11-17 1993-04-01 1991-03-07 1993-03-01 1993-12-20
 10TH PERCENTILE             815.        5.6        7.5         2.         4.
 MEDIAN                     1200.       13.5        8.8         6.         8.
 90TH PERCENTILE            1733.       23.0       10.8        16.        25.
 MAXIMUM                    1810.       25.0       12.3        25.        42.
 DATE OF MAXIMUM       1992-08-25 1993-07-19 1993-04-01 1993-07-19 1993-06-08
 STANDARD DEVIATION          311.        7.0        1.5         6.        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       36         36         36         36         36
 MEAN                         7.8    3.4E+04        79.       600.         0.
 MINIMUM                      7.1    4.4E+03         0.         0.         0.
 DATE OF MINIMUM       1991-03-07 1991-03-07 1991-03-07 1991-03-07 1991-01-09
 10TH PERCENTILE              7.3    7.2E+03         0.        11.         0.
 MEDIAN                       7.7    3.0E+04         4.       190.         0.
 90TH PERCENTILE              8.1    5.0E+04        38.      1610.         0.
 MAXIMUM                      8.8    1.4E+05      1610.      1610.         1.
 DATE OF MAXIMUM       1993-07-19 1991-12-03 1992-08-25 1991-06-19 1991-09-10
 STANDARD DEVIATION           0.4    3.0E+04       303.       678.         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       36         36
 MEAN                       0.000      0.000
 MINIMUM                    0.000      0.000
 DATE OF MINIMUM       1991-01-09 1991-01-09
 10TH PERCENTILE            0.000      0.000
 MEDIAN                     0.000      0.000
 90TH PERCENTILE            0.000      0.000
 MAXIMUM                    0.000      0.000
 DATE OF MAXIMUM       1993-12-20 1993-12-20
 STANDARD DEVIATION         0.000      0.000





 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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-23 TO 1993-12-14

 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       35         35         35         35         35
 MEAN                        410.       19.6        9.1         3.         5.
 MINIMUM                     109.       11.0        2.0         1.         2.
 DATE OF MINIMUM       1991-04-16 1991-02-19 1993-06-15 1993-08-24 1992-10-26
 10TH PERCENTILE             161.       12.0        7.2         2.         2.
 MEDIAN                      464.       20.0        9.0         2.         4.
 90TH PERCENTILE             578.       27.0       11.0         4.         6.
 MAXIMUM                     601.       30.0       12.0        29.        33.
 DATE OF MAXIMUM       1993-05-15 1991-09-18 1991-06-23 1993-06-15 1993-06-15
 STANDARD DEVIATION          146.        5.6        1.8         5.         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       35         35         35         35         35
 MEAN                         8.1     21771.         7.         9.         0.
 MINIMUM                      6.7         0.         0.         0.         0.
 DATE OF MINIMUM       1992-06-01 1993-12-14 1991-01-23 1991-02-19 1991-01-23
 10TH PERCENTILE              6.9      9000.         0.         0.         0.
 MEDIAN                       8.1     20000.         0.         0.         0.
 90TH PERCENTILE              9.3     38000.         3.        21.         0.
 MAXIMUM                      9.5     60000.       240.       109.         0.
 DATE OF MAXIMUM       1993-08-24 1992-06-01 1993-07-19 1991-11-13 1993-12-14
 STANDARD DEVIATION           0.9     11798.        40.        21.         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       35         35         32
 MEAN                       0.000      0.000      104.8
 MINIMUM                    0.000      0.000        0.0
 DATE OF MINIMUM       1991-01-23 1991-01-23 1993-04-19
 10TH PERCENTILE            0.000      0.000       11.6
 MEDIAN                     0.000      0.000       64.5
 90TH PERCENTILE            0.000      0.000      226.4
 MAXIMUM                    0.000      0.000      664.0
 DATE OF MAXIMUM       1993-12-14 1993-12-14 1993-11-15
 STANDARD DEVIATION         0.000      0.000      131.1





 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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-02 TO 1993-12-01

 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                       1520.       11.2        5.6         5.        46.
 MINIMUM                    1150.        3.0        2.1         2.        20.
 DATE OF MINIMUM       1993-01-04 1993-01-04 1993-06-01 1991-01-02 1991-04-02
 10TH PERCENTILE            1238.        5.0        2.9         3.        20.
 MEDIAN                     1480.       10.0        5.3         5.        40.
 90TH PERCENTILE            1755.       18.5        7.9         7.        70.
 MAXIMUM                    2190.       21.0       12.6        16.       100.
 DATE OF MAXIMUM       1991-06-04 1992-07-02 1992-11-03 1992-11-03 1993-12-01
 STANDARD DEVIATION          238.        5.0        2.6         3.        23.




                               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         3.         2.         2.         0.
 MINIMUM                      7.5         0.         0.         0.         0.
 DATE OF MINIMUM       1991-03-05 1992-06-01 1992-06-01 1992-07-02 1991-01-02
 10TH PERCENTILE              7.7         0.         0.         0.         0.
 MEDIAN                       7.9         3.         3.         3.         0.
 90TH PERCENTILE              8.1         4.         3.         4.         0.
 MAXIMUM                      8.9         9.         3.         9.         0.
 DATE OF MAXIMUM       1992-11-03 1992-11-03 1992-05-04 1993-12-01 1993-12-01
 STANDARD DEVIATION           0.3         2.         2.         2.         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          8
 MEAN                       0.000      0.000        0.0
 MINIMUM                    0.000      0.000        0.0
 DATE OF MINIMUM       1991-01-02 1991-01-02 1991-01-02
 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       1993-12-01 1993-12-01 1991-12-02
 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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-14 TO 1993-12-09

 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       36         36         36         36         36
 MEAN                        587.       15.1        7.4         5.        28.
 MINIMUM                     160.        6.0        1.6         2.        20.
 DATE OF MINIMUM       1991-03-11 1992-01-13 1992-09-09 1992-09-09 1991-01-14
 10TH PERCENTILE             312.        8.0        3.8         2.        20.
 MEDIAN                      615.       14.5        7.4         5.        20.
 90TH PERCENTILE             742.       22.3        9.2         9.        40.
 MAXIMUM                     835.       23.0       13.6        13.        70.
 DATE OF MAXIMUM       1993-04-13 1991-08-12 1993-02-08 1992-07-08 1991-07-08
 STANDARD DEVIATION          156.        5.5        2.5         3.        12.




                               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       36         36         36         34         34
 MEAN                         8.0       170.         2.         6.         0.
 MINIMUM                      7.1         0.         0.         0.         0.
 DATE OF MINIMUM       1991-04-08 1992-06-08 1992-06-08 1992-06-08 1991-01-14
 10TH PERCENTILE              7.6         0.         0.         0.         0.
 MEDIAN                       8.0         3.         3.         3.         0.
 90TH PERCENTILE              8.6        39.         3.        17.         0.
 MAXIMUM                      8.8      2400.        20.        23.         0.
 DATE OF MAXIMUM       1993-02-08 1993-12-09 1991-08-12 1993-09-13 1993-12-09
 STANDARD DEVIATION           0.4       578.         3.         7.         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       36         36         36
 MEAN                       0.000      0.000       25.9
 MINIMUM                    0.000      0.000        2.4
 DATE OF MINIMUM       1991-01-14 1991-01-14 1993-02-08
 10TH PERCENTILE            0.000      0.000        2.8
 MEDIAN                     0.000      0.000        9.2
 90TH PERCENTILE            0.000      0.000       24.2
 MAXIMUM                    0.000      0.000      475.0
 DATE OF MAXIMUM       1993-12-09 1993-12-09 1991-03-11
 STANDARD DEVIATION         0.000      0.000       78.4





 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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-02 TO 1993-12-15

 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       36         36         36         36         29
 MEAN                       1376.       16.2        8.7        11.        24.
 MINIMUM                     490.        3.4        5.3         2.         4.
 DATE OF MINIMUM       1993-08-15 1991-01-02 1993-06-15 1992-07-11 1991-05-03
 10TH PERCENTILE             785.        8.1        5.6         4.         9.
 MEDIAN                     1420.       13.8        7.9        10.        24.
 90TH PERCENTILE            1780.       24.7       11.0        19.        38.
 MAXIMUM                    2540.       28.2       18.8        31.        47.
 DATE OF MAXIMUM       1993-05-15 1992-05-10 1993-07-15 1992-02-07 1993-11-15
 STANDARD DEVIATION          416.        6.6        2.9         6.        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          1          0          0          0
 NO. OF UNFLAGGED VALUES       36         35         35         35         29
 MEAN                         8.0    1.3E+05      5934.    5.4E+03         0.
 MINIMUM                      7.4    1.0E+02         0.    7.0E+00         0.
 DATE OF MINIMUM       1993-07-15 1992-09-12 1991-05-03 1992-10-12 1991-01-02
 10TH PERCENTILE              7.6    1.4E+03        92.    3.8E+01         0.
 MEDIAN                       8.0    2.6E+04      1420.    2.5E+02         0.
 90TH PERCENTILE              8.2    3.9E+05      9535.    9.4E+02         1.
 MAXIMUM                      8.7    1.0E+06     63300.    1.7E+05         1.
 DATE OF MAXIMUM       1992-02-07 1993-12-15 1993-04-15 1993-12-15 1992-05-10
 STANDARD DEVIATION           0.3    2.5E+05     13591.    2.9E+04         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       25         22         35
 MEAN                       0.000      0.109       12.3
 MINIMUM                    0.000      0.000        0.6
 DATE OF MINIMUM       1991-01-02 1991-01-02 1993-03-15
 10TH PERCENTILE            0.000      0.000        0.6
 MEDIAN                     0.000      0.000        1.5
 90TH PERCENTILE            0.001      0.200       25.0
 MAXIMUM                    0.001      1.000      102.0
 DATE OF MAXIMUM       1993-11-15 1991-04-02 1991-03-05
 STANDARD DEVIATION         0.000      0.294       19.1





 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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-02 TO 1993-12-15

 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       36         36         36         36         32
 MEAN                       1657.       17.6        7.5        16.        32.
 MINIMUM                     600.        8.4        3.0         1.         8.
 DATE OF MINIMUM       1991-05-03 1991-01-02 1993-10-15 1992-07-03 1991-05-03
 10TH PERCENTILE             802.       11.3        4.7         5.        13.
 MEDIAN                     1540.       17.2        6.9        14.        29.
 90TH PERCENTILE            2050.       24.3        9.9        27.        44.
 MAXIMUM                    5100.       28.0       14.4        54.        79.
 DATE OF MAXIMUM       1992-02-02 1992-08-01 1991-04-02 1992-02-02 1992-02-02
 STANDARD DEVIATION          834.        5.2        2.5        10.        16.




                               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       36         36         35         35         30
 MEAN                         7.9    6.2E+04      3111.       926.         0.
 MINIMUM                      7.4    7.5E+02       150.        20.         0.
 DATE OF MINIMUM       1993-08-15 1991-05-03 1992-09-05 1992-09-05 1991-01-02
 10TH PERCENTILE              7.6    2.4E+03       177.        45.         0.
 MEDIAN                       7.8    1.9E+04      1460.       360.         0.
 90TH PERCENTILE              8.4    1.2E+05      8645.      1040.         1.
 MAXIMUM                      9.3    8.8E+05     15000.     11000.         1.
 DATE OF MAXIMUM       1992-02-02 1992-12-10 1993-08-15 1992-12-10 1992-11-09
 STANDARD DEVIATION           0.4    1.5E+05      4133.      2300.         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       26         23         29
 MEAN                       0.001      0.000       15.2
 MINIMUM                    0.000      0.000        0.0
 DATE OF MINIMUM       1991-01-02 1991-01-02 1992-09-05
 10TH PERCENTILE            0.000      0.000        0.1
 MEDIAN                     0.000      0.000        5.0
 90TH PERCENTILE            0.001      0.000       41.4
 MAXIMUM                    0.005      0.000       61.6
 DATE OF MAXIMUM       1993-11-15 1993-12-15 1991-07-08
 STANDARD DEVIATION         0.001      0.000       19.5





 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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-02 TO 1993-12-15

 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       35         36         36         36         34
 MEAN                       1542.       19.2        3.5        16.        33.
 MINIMUM                     900.        9.1        1.2         4.        13.
 DATE OF MINIMUM       1991-08-08 1992-01-05 1991-11-04 1991-09-09 1991-02-05
 10TH PERCENTILE            1035.       11.8        1.4         8.        18.
 MEDIAN                     1510.       18.5        2.7        14.        32.
 90TH PERCENTILE            2015.       27.6        7.6        23.        48.
 MAXIMUM                    2130.       29.9       11.7        39.        53.
 DATE OF MAXIMUM       1993-04-15 1992-08-09 1993-01-15 1992-03-03 1992-04-07
 STANDARD DEVIATION          380.        5.7        2.6         7.        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          2          0          0          0
 NO. OF UNFLAGGED VALUES       36         34         34         34         29
 MEAN                         7.6    1.7E+05     10267.      2017.         1.
 MINIMUM                      7.1    6.2E+02       200.        25.         0.
 DATE OF MINIMUM       1993-12-15 1991-07-08 1993-09-15 1993-04-15 1991-03-05
 10TH PERCENTILE              7.3    5.1E+03      1000.       140.         0.
 MEDIAN                       7.6    9.2E+04      6540.       873.         0.
 90TH PERCENTILE              7.9    3.2E+05     22180.      4232.         1.
 MAXIMUM                      8.3    1.0E+06     55000.     14600.        20.
 DATE OF MAXIMUM       1992-08-09 1992-05-06 1992-09-11 1992-03-03 1993-04-15
 STANDARD DEVIATION           0.2    2.5E+05     12914.      3062.         4.




                               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       25         21         35
 MEAN                       0.001      0.029       15.9
 MINIMUM                    0.000      0.000        0.0
 DATE OF MINIMUM       1991-02-05 1991-01-02 1992-03-03
 10TH PERCENTILE            0.000      0.000        0.0
 MEDIAN                     0.000      0.000       11.4
 90TH PERCENTILE            0.004      0.000       34.1
 MAXIMUM                    0.010      0.500       68.3
 DATE OF MAXIMUM       1993-09-15 1993-03-15 1991-03-05
 STANDARD DEVIATION         0.003      0.110       15.8





 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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-07 TO 1993-12-02

 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       36         36         36         36         36
 MEAN                        477.       15.2        9.4         6.         5.
 MINIMUM                     262.        7.4        6.3         3.         3.
 DATE OF MINIMUM       1991-05-06 1991-05-06 1991-10-08 1991-06-03 1993-10-05
 10TH PERCENTILE             330.        8.7        6.8         3.         4.
 MEDIAN                      454.       13.2        9.9         5.         5.
 90TH PERCENTILE             639.       22.1       12.0        10.         7.
 MAXIMUM                     790.       25.3       12.7        16.         7.
 DATE OF MAXIMUM       1991-11-05 1991-09-03 1991-05-06 1992-06-03 1991-10-08
 STANDARD DEVIATION          124.        5.6        2.0         3.         1.




                               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       36         36         36         36         35
 MEAN                         7.8    6.3E+03       804.        74.         0.
 MINIMUM                      7.3    2.8E+02        30.         4.         0.
 DATE OF MINIMUM       1992-07-05 1993-12-02 1991-07-03 1992-03-03 1991-01-07
 10TH PERCENTILE              7.6    4.0E+02        36.        10.         0.
 MEDIAN                       7.8    2.8E+03       440.        30.         0.
 90TH PERCENTILE              8.1    1.0E+04      1275.       164.         0.
 MAXIMUM                      8.2    1.0E+05      8300.       850.         1.
 DATE OF MAXIMUM       1993-12-02 1991-08-06 1991-08-06 1993-05-04 1993-07-05
 STANDARD DEVIATION           0.2    1.6E+04      1466.       146.         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       36         36         36
 MEAN                       0.000      1.528       67.5
 MINIMUM                    0.000      0.000       10.9
 DATE OF MINIMUM       1991-01-07 1991-01-07 1991-10-08
 10TH PERCENTILE            0.000      0.000       16.0
 MEDIAN                     0.000      0.000       36.8
 90TH PERCENTILE            0.000      0.000      106.4
 MAXIMUM                    0.002     55.000      477.0
 DATE OF MAXIMUM       1991-10-08 1991-09-03 1991-05-06
 STANDARD DEVIATION         0.000      9.167      103.2





 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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-14 TO 1993-12-01

 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       36         36         36         36         36
 MEAN                       1100.       14.4       10.2        10.         6.
 MINIMUM                     443.        5.2        6.8         2.         3.
 DATE OF MINIMUM       1992-11-02 1993-03-01 1992-08-02 1991-05-15 1993-01-06
 10TH PERCENTILE             531.        5.8        7.7         4.         3.
 MEDIAN                     1055.       14.4       10.1         7.         5.
 90TH PERCENTILE            1628.       23.3       12.4        17.         9.
 MAXIMUM                    1970.       26.0       13.4        24.        20.
 DATE OF MAXIMUM       1991-09-01 1992-08-02 1992-02-02 1992-07-01 1992-07-01
 STANDARD DEVIATION          414.        6.4        1.8         6.         3.




                               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       36         36         36         36         36
 MEAN                         7.8    7.2E+04    1.2E+04       436.        14.
 MINIMUM                      7.3    8.0E+02    6.0E+01         0.         0.
 DATE OF MINIMUM       1992-09-06 1992-03-01 1993-12-01 1992-02-02 1991-01-14
 10TH PERCENTILE              7.5    2.2E+03    2.1E+02        20.         0.
 MEDIAN                       7.9    2.4E+04    4.0E+03       240.         0.
 90TH PERCENTILE              8.2    1.8E+05    2.7E+04       844.         4.
 MAXIMUM                      8.3    8.3E+05    1.3E+05      3000.       460.
 DATE OF MAXIMUM       1992-02-02 1992-09-06 1991-11-03 1992-07-01 1993-08-01
 STANDARD DEVIATION           0.2    1.5E+05    2.3E+04       570.        77.




                               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       36         35         36
 MEAN                       0.000      0.000      149.8
 MINIMUM                    0.000      0.000       31.0
 DATE OF MINIMUM       1991-01-14 1991-01-14 1991-09-01
 10TH PERCENTILE            0.000      0.000       43.8
 MEDIAN                     0.000      0.000      108.0
 90TH PERCENTILE            0.000      0.000      272.0
 MAXIMUM                    0.003      0.000      677.0
 DATE OF MAXIMUM       1991-06-26 1993-12-01 1991-05-15
 STANDARD DEVIATION         0.000      0.000      142.5





 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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-16 TO 1993-12-15

 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       36         36         36         35         35
 MEAN                        931.       17.1        9.2         6.         4.
 MINIMUM                     632.        7.3        6.7         3.         3.
 DATE OF MINIMUM       1992-06-16 1993-02-16 1993-08-16 1991-06-17 1991-06-17
 10TH PERCENTILE             657.        9.8        7.1         3.         3.
 MEDIAN                      922.       17.0        9.0         6.         4.
 90TH PERCENTILE            1220.       24.8       10.9         9.         6.
 MAXIMUM                    1300.       27.9       11.5        16.         7.
 DATE OF MAXIMUM       1992-07-15 1991-09-17 1992-12-14 1992-08-18 1993-06-20
 STANDARD DEVIATION          196.        5.8        1.3         3.         1.




                               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       36         36         36         36         36
 MEAN                         7.9    1.0E+05    2.2E+04       426.         2.
 MINIMUM                      7.3    3.8E+01    7.0E+00         0.         0.
 DATE OF MINIMUM       1993-02-16 1992-03-15 1992-03-15 1993-06-20 1991-01-16
 10TH PERCENTILE              7.5    8.8E+02    1.1E+02         8.         0.
 MEDIAN                       7.9    2.7E+04    5.3E+03        98.         0.
 90TH PERCENTILE              8.1    2.7E+05    3.0E+04      1122.         1.
 MAXIMUM                      8.2    8.1E+05    4.6E+05      2500.        23.
 DATE OF MAXIMUM       1991-08-20 1991-08-20 1991-10-20 1991-11-19 1993-10-20
 STANDARD DEVIATION           0.2    1.9E+05    7.6E+04       605.         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       36         36         35
 MEAN                       0.000      0.000      252.4
 MINIMUM                    0.000      0.000       84.0
 DATE OF MINIMUM       1991-02-04 1991-01-16 1991-06-17
 10TH PERCENTILE            0.000      0.000       86.0
 MEDIAN                     0.000      0.000      186.0
 90TH PERCENTILE            0.001      0.000      610.0
 MAXIMUM                    0.002      0.000      836.0
 DATE OF MAXIMUM       1992-05-19 1993-12-15 1991-05-15
 STANDARD DEVIATION         0.000      0.000      213.8




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GEMS/WATER
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Last updated: 2001-07-30