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STATISTICS for BRAZIL

STATISTICS FOR BRAZIL


GEMS/WATER - STATISTICAL SUMMARY BY STATION     2002-02-18   PAGE  60

 STATION - RESERVATORIO DE GUARAPIRANGA             STATION NO. 002001
 COUNTRY - BRAZIL                                   DEPTH(M)      15.0
 LOCATION - OCT. 5  LAT. 23/40/11  LONG. 046/43/28  ELEVATION(M) 710.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   LAKE       

 PERIOD REQUESTED FROM  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-01-02 TO 1987-12-07

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                            INTEG       ELEC       TEMP        TOC         CN
                           SAMPLE       COND                                 
                            00190      02041      02061      06001      06606
                              N/A      us/cm      deg C     mg/L C    mg/L Cn


 NO. OF L-FLAGGED VALUES        0          0          0          0          9
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6         18         17          6          5
 MEAN                          1.        60.       20.9         6.      0.010
 MINIMUM                       1.        51.       16.0         4.      0.007
 DATE OF MINIMUM       1985-01-02 1987-08-04 1986-07-04 1985-01-02 1985-01-02
 10TH PERCENTILE                         52.       17.4                 0.007
 MEDIAN                        1.        58.       21.0         4.      0.007
 90TH PERCENTILE                         70.       24.0                 0.012
 MAXIMUM                       1.        73.       25.0        12.      0.036
 DATE OF MAXIMUM       1985-11-06 1986-09-02 1986-01-05 1985-07-02 1985-11-06
 STANDARD DEVIATION            0.         7.        2.7         4.      0.008




                           N KJEL      NO2-N      NO3-N        NH3         O2
                                                                         DISS
                            07004      07207      07313      07556      08101
                           mg/L N     mg/L N     mg/L N     mg/L N    mg/L O2


 NO. OF L-FLAGGED VALUES        1          6          0          2          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       17         12         18         16         18
 MEAN                         0.5       0.01       0.34       0.04        7.7
 MINIMUM                      0.1       0.00       0.25       0.00        6.4
 DATE OF MINIMUM       1985-05-02 1985-05-02 1985-03-05 1985-05-02 1987-02-03
 10TH PERCENTILE              0.1       0.00       0.26       0.00        6.6
 MEDIAN                       0.4       0.01       0.31       0.05        7.6
 90TH PERCENTILE              0.8       0.02       0.42       0.07        8.3
 MAXIMUM                      1.0       0.02       0.49       0.10        9.9
 DATE OF MAXIMUM       1985-01-02 1987-08-04 1986-01-05 1985-09-05 1986-09-02
 STANDARD DEVIATION           0.3       0.01       0.07       0.03        0.9




                              BOD        COD        ALK         pH   SUSP SOL
                                                  TOTAL               105 DEG
                            08201      08301      10101      10302      10401
                          mg/L O2    mg/L O2       mg/L   pH UNITS       mg/L


 NO. OF L-FLAGGED VALUES        2          3          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       15         14         17         18         18
 MEAN                          3.        13.      12.76        6.8         8.
 MINIMUM                       1.         6.       7.00        6.3         1.
 DATE OF MINIMUM       1985-05-02 1985-03-05 1986-09-02 1985-03-05 1986-09-02
 10TH PERCENTILE               1.         6.       9.10        6.4         2.
 MEDIAN                        2.        10.      13.00        6.8         7.
 90TH PERCENTILE               3.        26.      15.00        7.1        17.
 MAXIMUM                      16.        42.      16.00        7.3        23.
 DATE OF MAXIMUM       1985-07-02 1987-02-03 1987-06-02 1985-01-02 1986-01-05
 STANDARD DEVIATION            3.        10.       2.25        0.3         6.





                          P ORTHO        PO4         Cl         Cr         Mn
                             DISS      TOTAL       DISS      TOTAL      TOTAL
                            15255      15408      17203      24002      25004
                           mg/L P     mg/L P    mg/L Cl    mg/L Cr    mg/L Mn


 NO. OF L-FLAGGED VALUES        2          0          0          6          5
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       15         18         18          0         13
 MEAN                       0.013      0.043         6.      0.050       0.02
 MINIMUM                    0.003      0.020         4.      0.050       0.01
 DATE OF MINIMUM       1986-11-04 1987-06-02 1985-07-02 1987-02-03 1985-03-05
 10TH PERCENTILE            0.003      0.024         4.                  0.01
 MEDIAN                     0.015      0.040         6.      0.050       0.01
 90TH PERCENTILE            0.025      0.062         7.                  0.03
 MAXIMUM                    0.025      0.090         8.      0.050       0.04
 DATE OF MAXIMUM       1986-07-04 1985-09-05 1987-02-03 1987-12-07 1986-01-05
 STANDARD DEVIATION         0.007      0.019         1.      0.000       0.01




                               Fe         Fe         Cu         Cu         Zn
                            TOTAL       DISS      TOTAL       DISS      TOTAL
                            26004      26102      29006      29106      30004
                          mg/L Fe    mg/L Fe    mg/L Cu    mg/L Cu    mg/L Zn


 NO. OF L-FLAGGED VALUES        0          1          4          0          7
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       14          3          2          6          8
 MEAN                        1.56       0.33      0.012      0.003      0.017
 MINIMUM                     0.49       0.05      0.010      0.001      0.003
 DATE OF MINIMUM       1987-04-08 1987-12-07 1987-02-03 1985-01-02 1985-07-02
 10TH PERCENTILE             0.67                                       0.003
 MEDIAN                      1.24       0.35      0.010      0.001      0.010
 90TH PERCENTILE             2.40                                       0.045
 MAXIMUM                     3.85       0.55      0.020      0.010      0.070
 DATE OF MAXIMUM       1986-01-05 1987-08-04 1987-10-05 1985-11-06 1985-09-05
 STANDARD DEVIATION          0.86       0.22      0.004      0.004      0.021




                               Zn         As   COLIFORM   FAEC COL         Cd
                             DISS      TOTAL      TOTAL                 TOTAL
                            30104      33003      36001      36011      48002
                          mg/L Zn    mg/L As   No/100ml   No/100ml    mg/L Cd


 NO. OF L-FLAGGED VALUES        4         15          0          0         15
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          1         18         18          0
 MEAN                       0.020      0.017      1843.       178.      0.005
 MINIMUM                    0.003      0.017        22.         2.      0.005
 DATE OF MINIMUM       1985-01-02 1985-01-02 1987-10-05 1987-06-02 1985-07-02
 10TH PERCENTILE                       0.017        68.         4.      0.005
 MEDIAN                     0.003      0.017      1100.        30.      0.005
 90TH PERCENTILE                       0.017      3200.       303.      0.005
 MAXIMUM                    0.070      0.019      8000.      1300.      0.005
 DATE OF MAXIMUM       1985-09-05 1986-05-05 1985-11-06 1986-01-05 1987-12-07
 STANDARD DEVIATION         0.028      0.000      2047.       307.      0.000




                               Cd         Ba         Hg         Pb         Pb
                             DISS      TOTAL       DISS      TOTAL       DISS
                            48101      80016      80111      82002      82101
                          mg/L Cd    ug/L Hg    ug/L Hg    mg/L Pb    mg/L Pb


 NO. OF L-FLAGGED VALUES        0         13          3          6          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3          2          0          0          6
 MEAN                       0.001      0.127      0.100      0.100      0.001
 MINIMUM                               0.100                 0.100      0.001
 DATE OF MINIMUM                  1985-09-05            1987-02-03 1985-01-02
 10TH PERCENTILE                       0.100                                 
 MEDIAN                                0.100                 0.100      0.001
 90TH PERCENTILE                       0.100                                 
 MAXIMUM                               0.500                 0.100      0.001
 DATE OF MAXIMUM                  1985-07-02            1987-12-07 1985-11-06
 STANDARD DEVIATION                    0.103                 0.000      0.000





 STATION - RIO PARAIBA DO SUL-APARECIDA             STATION NO. 002002
 COUNTRY - BRAZIL                                   DEPTH(M)       2.6
 LOCATION - OCT. 5  LAT. 22/50/37  LONG. 045/15/04  ELEVATION(M) 530.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-01-02 TO 1987-12-10

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                            INTEG       ELEC       TEMP        TOC         CN
                           SAMPLE       COND                                 
                            00190      02041      02061      06001      06606
                              N/A      us/cm      deg C     mg/L C    mg/L Cn


 NO. OF L-FLAGGED VALUES        0          0          0          0         18
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6         18         18          5          0
 MEAN                          1.        56.       22.5         5.      0.006
 MINIMUM                       1.        25.       18.0         3.      0.006
 DATE OF MINIMUM       1985-01-02 1986-09-17 1985-09-04 1985-07-03 1985-01-02
 10TH PERCENTILE                         37.       18.0                 0.006
 MEDIAN                        1.        56.       23.5         5.      0.006
 90TH PERCENTILE                         66.       25.0                 0.006
 MAXIMUM                       1.        71.       26.0         6.      0.006
 DATE OF MAXIMUM       1985-11-06 1987-12-10 1986-11-20 1985-05-08 1987-12-10
 STANDARD DEVIATION            0.        11.        2.7         1.      0.000




                           N KJEL      NO2-N      NO3-N        NH3         O2
                                                                         DISS
                            07001      07207      07313      07554      08101
                           mg/L N     mg/L N     mg/L N     mg/L N    mg/L O2


 NO. OF L-FLAGGED VALUES        0         10          0          2          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       17          8         18         16         18
 MEAN                         0.6       0.01       0.29       0.15        5.9
 MINIMUM                      0.2       0.00       0.16       0.04        4.4
 DATE OF MINIMUM       1987-04-09 1987-02-19 1985-01-02 1986-01-08 1986-03-05
 10TH PERCENTILE              0.2       0.00       0.16       0.04        4.9
 MEDIAN                       0.5       0.01       0.28       0.12        5.8
 90TH PERCENTILE              0.9       0.01       0.39       0.26        6.8
 MAXIMUM                      1.4       0.10       0.49       0.59        7.4
 DATE OF MAXIMUM       1986-05-21 1985-07-03 1987-02-19 1986-05-21 1986-07-16
 STANDARD DEVIATION           0.3       0.02       0.09       0.13        0.8




                              BOD        COD        ALK         pH   SUSP SOL
                                                  TOTAL               105 DEG
                            08201      08301      10101      10302      10401
                          mg/L O2    mg/L O2       mg/L   pH UNITS       mg/L


 NO. OF L-FLAGGED VALUES        0          4          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       18         13         18         18         17
 MEAN                          2.        18.      10.33        6.6        88.
 MINIMUM                       1.         9.       6.00        5.6        20.
 DATE OF MINIMUM       1987-04-09 1986-01-08 1986-01-08 1985-11-06 1987-08-27
 10TH PERCENTILE               2.        10.       6.80        5.7        22.
 MEDIAN                        2.        15.      10.50        6.8        62.
 90TH PERCENTILE               4.        27.      12.00        7.1       138.
 MAXIMUM                       5.        50.      14.00        7.5       365.
 DATE OF MAXIMUM       1986-09-17 1986-03-05 1987-10-29 1987-08-27 1987-02-19
 STANDARD DEVIATION            1.        10.       1.85        0.6        85.




                              PO4         Cl         Cr         Mn         Fe
                            TOTAL       DISS      TOTAL      TOTAL      TOTAL
                            15408      17201      24002      25004      26004
                           mg/L P    mg/L Cl    mg/L Cr    mg/L Mn    mg/L Fe


 NO. OF L-FLAGGED VALUES        1          0          6          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       17         18          0         18         13
 MEAN                       0.076         5.      0.050       0.11       5.23
 MINIMUM                    0.012         3.      0.050       0.05       1.48
 DATE OF MINIMUM       1986-05-21 1985-01-02 1987-02-19 1986-09-17 1985-07-03
 10TH PERCENTILE            0.034         4.                  0.05       1.54
 MEDIAN                     0.061         5.      0.050       0.10       3.07
 90TH PERCENTILE            0.122         7.                  0.19      10.23
 MAXIMUM                    0.196         8.      0.050       0.25      16.60
 DATE OF MAXIMUM       1986-01-08 1987-02-19 1987-12-10 1987-02-19 1987-02-19
 STANDARD DEVIATION         0.044         1.      0.000       0.06       4.50




                               Fe         Cu         Cu         Zn         Zn
                             DISS      TOTAL       DISS      TOTAL       DISS
                            26102      29006      29106      30004      30104
                          mg/L Fe    mg/L Cu    mg/L Cu    mg/L Zn    mg/L Zn


 NO. OF L-FLAGGED VALUES        0          3          0          5          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          3          6         10          2
 MEAN                        0.29      0.010      0.004      0.030      0.014
 MINIMUM                               0.010      0.001      0.003           
 DATE OF MINIMUM                  1987-02-19 1985-01-02 1985-07-03           
 10TH PERCENTILE                                             0.003           
 MEDIAN                                0.010      0.001      0.020           
 90TH PERCENTILE                                             0.075           
 MAXIMUM                               0.010      0.010      0.090           
 DATE OF MAXIMUM                  1987-12-10 1985-11-06 1985-11-06           
 STANDARD DEVIATION                    0.000      0.005      0.029           




                               As         Se   COLIFORM   FAEC COL         Cd
                            TOTAL      TOTAL      TOTAL                 TOTAL
                            33003      34002      36001      36011      48002
                          mg/L As    mg/L Se   No/100ml   No/100ml    mg/L Cd


 NO. OF L-FLAGGED VALUES       17          6          0          0         15
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         12         17         17          0
 MEAN                       0.017      0.002    8.1E+04    3.8E+04      0.005
 MINIMUM                    0.017      0.001    5.0E+03    3.0E+03      0.005
 DATE OF MINIMUM       1985-01-02 1985-01-02 1986-05-21 1986-07-16 1985-07-03
 10TH PERCENTILE            0.017      0.001    5.0E+03    3.0E+03      0.005
 MEDIAN                     0.017      0.001    3.0E+04    1.1E+04      0.005
 90TH PERCENTILE            0.017      0.002    1.6E+05    1.2E+05      0.005
 MAXIMUM                    0.017      0.006    5.0E+05    1.7E+05      0.005
 DATE OF MAXIMUM       1987-12-10 1987-06-25 1987-08-27 1987-08-27 1987-12-10
 STANDARD DEVIATION         0.000      0.001    1.2E+05    5.4E+04      0.000




                               Cd         Ba         Hg         Pb         Pb
                             DISS      TOTAL       DISS      TOTAL       DISS
                            48101      80016      80111      82002      82101
                          mg/L Cd    ug/L Hg    ug/L Hg    mg/L Pb    mg/L Pb


 NO. OF L-FLAGGED VALUES        0         12          3          6          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3          3          0          0          6
 MEAN                       0.001      0.120      0.100      0.100      0.001
 MINIMUM                               0.100                 0.100      0.001
 DATE OF MINIMUM                  1985-07-03            1987-02-19 1985-01-02
 10TH PERCENTILE                       0.100                                 
 MEDIAN                                0.100                 0.100      0.001
 90TH PERCENTILE                       0.150                                 
 MAXIMUM                               0.300                 0.100      0.001
 DATE OF MAXIMUM                  1987-02-19            1987-12-10 1985-11-06
 STANDARD DEVIATION                    0.056                 0.000      0.000




                             INST
                           DISCHG
                            97160
                             m3/S


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES       18
 MEAN                       190.5
 MINIMUM                     97.6
 DATE OF MINIMUM       1986-01-08
 10TH PERCENTILE            110.7
 MEDIAN                     173.0
 90TH PERCENTILE            287.5
 MAXIMUM                    385.0
 DATE OF MAXIMUM       1987-04-09
 STANDARD DEVIATION          79.0





 STATION - RESERVATORIO DE PROMISSAO                STATION NO. 002003
 COUNTRY - BRAZIL                                   DEPTH(M)      12.0
 LOCATION - OCT. 5  LAT. 21/38/25  LONG. 049/17/07  ELEVATION(M) 380.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   LAKE       

 PERIOD REQUESTED FROM  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-01-02 TO 1987-12-03

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                            INTEG       ELEC       TEMP        TOC         CN
                           SAMPLE       COND                                 
                            00190      02041      02061      06001      06606
                              N/A      us/cm      deg C     mg/L C    mg/L Cn


 NO. OF L-FLAGGED VALUES        0          0          0          1         14
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6         18         18          5          3
 MEAN                          1.       118.       22.7         5.      0.010
 MINIMUM                       1.        84.       17.0         2.      0.007
 DATE OF MINIMUM       1985-01-02 1985-07-24 1985-07-24 1985-05-02 1985-01-02
 10TH PERCENTILE                         93.       18.6                 0.007
 MEDIAN                        1.       116.       22.5         5.      0.007
 90TH PERCENTILE                        140.       27.0                 0.014
 MAXIMUM                       1.       150.       28.0         7.      0.033
 DATE OF MAXIMUM       1985-11-07 1985-01-02 1987-12-03 1985-11-07 1986-01-09
 STANDARD DEVIATION            0.        19.        3.1         2.      0.008




                           N KJEL     N KJEL      NO2-N      NO3-N        NH3
                                                                             
                            07001      07004      07207      07313      07554
                           mg/L N     mg/L N     mg/L N     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          4          1          2
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2         16         14         17          0
 MEAN                         0.5        0.5       0.00       0.18       0.08
 MINIMUM                                 0.2       0.00       0.03           
 DATE OF MINIMUM                  1985-05-02 1985-05-02 1986-11-06           
 10TH PERCENTILE                         0.2       0.00       0.06           
 MEDIAN                                  0.4       0.00       0.14           
 90TH PERCENTILE                         0.8       0.01       0.31           
 MAXIMUM                                 1.3       0.01       0.47           
 DATE OF MAXIMUM                  1987-12-03 1987-08-06 1985-07-24           
 STANDARD DEVIATION                      0.3       0.00       0.12           




                              NH3         O2        BOD        COD        ALK
                                        DISS                            TOTAL
                            07556      08101      08201      08301      10101
                           mg/L N    mg/L O2    mg/L O2    mg/L O2       mg/L


 NO. OF L-FLAGGED VALUES        1          0          0         12          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       15         18         18          6         18
 MEAN                        0.07        8.4         2.        16.      30.67
 MINIMUM                     0.01        6.6         1.        14.      25.00
 DATE OF MINIMUM       1985-09-05 1987-04-02 1985-05-02 1985-01-02 1985-05-02
 10TH PERCENTILE             0.02        7.0         1.        14.      25.00
 MEDIAN                      0.06        8.8         2.        14.      31.00
 90TH PERCENTILE             0.11        9.1         2.        19.      34.20
 MAXIMUM                     0.20       10.0         3.        28.      38.00
 DATE OF MAXIMUM       1986-03-06 1987-10-08 1987-04-02 1987-10-08 1986-05-08
 STANDARD DEVIATION          0.05        0.9         1.         4.       3.91





                               pH   SUSP SOL        PO4         Cl         Cr
                                     105 DEG      TOTAL       DISS      TOTAL
                            10302      10401      15408      17201      24002
                         pH UNITS       mg/L     mg/L P    mg/L Cl    mg/L Cr


 NO. OF L-FLAGGED VALUES        0          0          2          0          6
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       18         18         16         18          0
 MEAN                         7.5         9.      0.047         9.      0.050
 MINIMUM                      7.0         1.      0.010         6.      0.050
 DATE OF MINIMUM       1985-07-24 1987-12-03 1986-05-08 1987-06-04 1987-02-05
 10TH PERCENTILE              7.0         2.      0.011         7.           
 MEDIAN                       7.4         6.      0.029         8.      0.050
 90TH PERCENTILE              7.9        18.      0.065        12.           
 MAXIMUM                      8.7        27.      0.298        14.      0.050
 DATE OF MAXIMUM       1987-10-08 1987-02-05 1986-11-06 1985-01-02 1987-12-03
 STANDARD DEVIATION           0.4         7.      0.065         2.      0.000




                               Mn         Fe         Fe         Cu         Cu
                            TOTAL      TOTAL       DISS      TOTAL       DISS
                            25004      26004      26102      29006      29106
                          mg/L Mn    mg/L Fe    mg/L Fe    mg/L Cu    mg/L Cu


 NO. OF L-FLAGGED VALUES        0          0          1          3          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       18         14          3          3          6
 MEAN                        0.04       0.90       0.34      0.010      0.003
 MINIMUM                     0.01       0.10       0.05      0.010      0.001
 DATE OF MINIMUM       1986-09-04 1985-01-02 1987-12-03 1987-02-05 1985-01-02
 10TH PERCENTILE             0.02       0.14                                 
 MEDIAN                      0.03       0.61       0.32      0.010      0.001
 90TH PERCENTILE             0.05       1.88                                 
 MAXIMUM                     0.12       2.57       0.68      0.010      0.010
 DATE OF MAXIMUM       1985-11-07 1985-11-07 1987-06-04 1987-12-03 1985-07-24
 STANDARD DEVIATION          0.02       0.77       0.30      0.000      0.004




                               Zn         Zn         As   COLIFORM   FAEC COL
                            TOTAL       DISS      TOTAL      TOTAL           
                            30004      30104      33003      36001      36011
                          mg/L Zn    mg/L Zn    mg/L As   No/100ml   No/100ml


 NO. OF L-FLAGGED VALUES        7          1         18          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        8          2          0         18         18
 MEAN                       0.031      0.008      0.017       809.       329.
 MINIMUM                    0.003                 0.017        23.         8.
 DATE OF MINIMUM       1985-09-05            1985-01-02 1987-06-04 1987-06-04
 10TH PERCENTILE            0.003                 0.017        23.         8.
 MEDIAN                     0.010                 0.017       540.       104.
 90TH PERCENTILE            0.045                 0.017      1600.       920.
 MAXIMUM                    0.260                 0.017      5400.      2400.
 DATE OF MAXIMUM       1985-07-24            1987-12-03 1987-02-05 1987-02-05
 STANDARD DEVIATION         0.066                 0.000      1252.       589.




                               Cd         Cd         Ba         Hg         Pb
                            TOTAL       DISS      TOTAL       DISS      TOTAL
                            48002      48101      80016      80111      82002
                          mg/L Cd    mg/L Cd    ug/L Hg    ug/L Hg    mg/L Pb


 NO. OF L-FLAGGED VALUES       15          0         12          3          6
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          3          2          0          0
 MEAN                       0.005      0.001      0.114      0.100      0.100
 MINIMUM                    0.005                 0.100                 0.100
 DATE OF MINIMUM       1985-07-24            1985-07-24            1987-02-05
 10TH PERCENTILE            0.005                 0.100                      
 MEDIAN                     0.005                 0.100                 0.100
 90TH PERCENTILE            0.005                 0.150                      
 MAXIMUM                    0.005                 0.200                 0.100
 DATE OF MAXIMUM       1987-12-03            1987-10-08            1987-12-03
 STANDARD DEVIATION         0.000                 0.036                 0.000




                               Pb
                             DISS
                            82101
                          mg/L Pb


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES        6
 MEAN                       0.001
 MINIMUM                    0.001
 DATE OF MINIMUM       1985-01-02
 10TH PERCENTILE                 
 MEDIAN                     0.001
 90TH PERCENTILE                 
 MAXIMUM                    0.001
 DATE OF MAXIMUM       1985-11-07
 STANDARD DEVIATION         0.000





 STATION - RIO PARAGUACU PEDRA DO CAVALO            STATION NO. 002004
 COUNTRY - BRAZIL                                   DEPTH(M)     116.0
 LOCATION - OCT. 5  LAT. 12/35/16  LONG. 039/00/00  ELEVATION(M) 136.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   LAKE       

 PERIOD REQUESTED FROM  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-01-25 TO 1987-12-29

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                              H2S       ELEC       TEMP         CN     N KJEL
                                        COND                                 
                            01000      02041      02061      06606      07001
                             mg/L      us/cm      deg C    mg/L Cn     mg/L N


 NO. OF L-FLAGGED VALUES        5          0          0         15          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0         16         17          2          5
 MEAN                        1.00       326.       25.4      0.007        1.0
 MINIMUM                     1.00       114.       20.0      0.002        0.8
 DATE OF MINIMUM       1987-08-13 1985-01-25 1985-06-13 1985-01-25 1987-08-13
 10TH PERCENTILE                        131.       22.1      0.002           
 MEDIAN                      1.00       339.       26.0      0.002        0.9
 90TH PERCENTILE                        456.       27.0      0.020           
 MAXIMUM                     1.00       462.       27.0      0.020        1.3
 DATE OF MAXIMUM       1987-12-29 1987-12-29 1985-04-03 1987-12-29 1987-12-29
 STANDARD DEVIATION          0.00       121.        1.7      0.008        0.2




                            NO2-N      NO3-N        NH3         O2        BOD
                                                              DISS           
                            07207      07313      07554      08101      08201
                           mg/L N     mg/L N     mg/L N    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        3          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          2          5         17         14
 MEAN                        0.01       0.13       0.30        6.2         2.
 MINIMUM                     0.00                  0.20        2.8         0.
 DATE OF MINIMUM       1987-10-15            1987-09-24 1985-11-14 1985-08-02
 10TH PERCENTILE                                               4.0         0.
 MEDIAN                      0.00                  0.35        6.4         2.
 90TH PERCENTILE                                               7.5         4.
 MAXIMUM                     0.02                  0.40        8.0         4.
 DATE OF MAXIMUM       1987-08-13            1987-12-29 1985-07-11 1987-09-24
 STANDARD DEVIATION          0.01                  0.10        1.3         1.




                              ALK         pH   SUSP SOL          P         Cl
                            TOTAL               105 DEG      TOTAL       DISS
                            10102      10302      10401      15405      17201
                             mg/L   pH UNITS       mg/L     mg/L P    mg/L Cl


 NO. OF L-FLAGGED VALUES        0          0          2          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       15         17         14          3         17
 MEAN                       36.30        7.3        22.      0.040        64.
 MINIMUM                    17.50        6.0         5.      0.007        24.
 DATE OF MINIMUM       1985-05-23 1987-12-29 1987-08-13 1987-10-15 1985-05-23
 10TH PERCENTILE            18.75        6.3         5.                   28.
 MEDIAN                     40.00        7.3        10.      0.044        61.
 90TH PERCENTILE            51.00        7.8        24.                   96.
 MAXIMUM                    53.00        9.0       172.      0.065       101.
 DATE OF MAXIMUM       1985-08-02 1985-02-22 1985-08-02 1987-09-24 1987-08-13
 STANDARD DEVIATION         12.94        0.7        41.      0.026        25.




                               Cr         Fe         Cu         Cu         Zn
                            TOTAL      TOTAL      TOTAL       DISS      TOTAL
                            24002      26004      29006      29106      30004
                          mg/L Cr    mg/L Fe    mg/L Cu    mg/L Cu    mg/L Zn


 NO. OF L-FLAGGED VALUES        5          2          5         10          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        0          3          0          2          1
 MEAN                       0.040       0.28      0.024      0.200      0.118
 MINIMUM                    0.040       0.20      0.020      0.200      0.100
 DATE OF MINIMUM       1987-08-13 1987-08-13 1987-12-29 1985-01-25 1987-10-15
 10TH PERCENTILE                                             0.200           
 MEDIAN                     0.040       0.22      0.025      0.200      0.100
 90TH PERCENTILE                                             0.200           
 MAXIMUM                    0.040       0.50      0.025      0.200      0.170
 DATE OF MAXIMUM       1987-12-29 1987-10-15 1987-11-26 1985-12-05 1987-09-24
 STANDARD DEVIATION         0.000       0.13      0.002      0.000      0.035




                               Zn         As         As   FAEC COL         Cd
                             DISS      TOTAL       DISS                 TOTAL
                            30104      33003      33103      36011      48001
                          mg/L Zn    mg/L As    mg/L As   No/100ml    mg/L Cd


 NO. OF L-FLAGGED VALUES        6          5         10          0          5
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6          0          2         14          0
 MEAN                       0.185      0.020      0.020       228.      0.003
 MINIMUM                    0.100      0.020      0.020         0.      0.001
 DATE OF MINIMUM       1985-01-25 1987-08-13 1985-01-25 1987-08-13 1987-08-13
 10TH PERCENTILE            0.100                 0.020         2.           
 MEDIAN                     0.100      0.020      0.020        17.      0.005
 90TH PERCENTILE            0.376                 0.020       565.           
 MAXIMUM                    0.600      0.020      0.020      1700.      0.005
 DATE OF MAXIMUM       1985-04-03 1987-12-29 1985-12-05 1985-01-25 1987-12-29
 STANDARD DEVIATION         0.166      0.000      0.000       472.      0.002




                               Cd         Ba         Hg         Pb         Pb
                             DISS      TOTAL       DISS      TOTAL       DISS
                            48101      80011      80111      82001      82101
                          mg/L Cd    ug/L Hg    ug/L Hg    mg/L Pb    mg/L Pb


 NO. OF L-FLAGGED VALUES       10          4          9          5         10
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          0          2          0          2
 MEAN                       0.005      0.375      0.200      0.034      0.050
 MINIMUM                    0.005      0.200      0.200      0.010      0.050
 DATE OF MINIMUM       1985-01-25 1987-09-24 1985-01-25 1987-08-13 1985-01-25
 10TH PERCENTILE            0.005                 0.200                 0.050
 MEDIAN                     0.005      0.200      0.200      0.050      0.050
 90TH PERCENTILE            0.005                 0.200                 0.050
 MAXIMUM                    0.005      0.900      0.200      0.050      0.050
 DATE OF MAXIMUM       1985-12-05 1987-12-29 1985-12-05 1987-12-29 1985-12-05
 STANDARD DEVIATION         0.000      0.350      0.000      0.022      0.000




                             INST
                           DISCHG
                            97160
                             m3/S


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES       12
 MEAN                        81.0
 MINIMUM                      5.0
 DATE OF MINIMUM       1985-11-14
 10TH PERCENTILE              5.0
 MEDIAN                      55.7
 90TH PERCENTILE            154.6
 MAXIMUM                    277.0
 DATE OF MAXIMUM       1985-01-25
 STANDARD DEVIATION          77.3





 STATION - RIO GUANDU-TOMADA D'AGUA                 STATION NO. 002005
 COUNTRY - BRAZIL                                   DEPTH(M)       2.0
 LOCATION - OCT. 5  LAT. 22/48/30  LONG. 043/36/43  ELEVATION(M)  12.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-03-12 TO 1987-10-27

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP    PHENOLS         CN     N KJEL
                             COND                                            
                            02041      02061      06532      06606      07001
                            us/cm      deg C       mg/L    mg/L Cn     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          5          5          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         14         25         32         38
 MEAN                         65.       22.8      0.001      0.010        1.0
 MINIMUM                      31.       20.0      0.000      0.000        0.1
 DATE OF MINIMUM       1986-11-26 1987-06-23 1985-03-12 1985-03-22 1986-05-13
 10TH PERCENTILE              47.       20.0      0.000      0.000        0.3
 MEDIAN                       66.       22.5      0.000      0.010        0.7
 90TH PERCENTILE              78.       26.0      0.001      0.025        1.3
 MAXIMUM                     100.       29.0      0.004      0.035        7.3
 DATE OF MAXIMUM       1986-07-21 1987-03-18 1987-03-18 1987-07-06 1986-10-02
 STANDARD DEVIATION           14.        2.8      0.001      0.009        1.2




                            NO2-N      NO3-N        NH3         O2        BOD
                                                              DISS           
                            07207      07313      07556      08101      08201
                           mg/L N     mg/L N     mg/L N    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        1          0          0          0          4
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         38         38         38         33
 MEAN                        0.02       0.47       0.13        7.6         1.
 MINIMUM                     0.00       0.04       0.01        6.0         0.
 DATE OF MINIMUM       1985-03-12 1986-05-28 1985-03-22 1986-02-05 1985-03-27
 10TH PERCENTILE             0.00       0.30       0.02        6.4         0.
 MEDIAN                      0.01       0.45       0.07        7.7         1.
 90TH PERCENTILE             0.03       0.65       0.26        8.6         2.
 MAXIMUM                     0.13       0.81       0.72        9.0         2.
 DATE OF MAXIMUM       1985-05-21 1986-10-02 1986-09-02 1987-08-04 1986-02-05
 STANDARD DEVIATION          0.02       0.15       0.17        0.8         1.




                              COD          F        ALK         pH   SUSP SOL
                                        DISS      TOTAL               105 DEG
                            08301      09104      10102      10302      10401
                          mg/L O2     mg/L F       mg/L   pH UNITS       mg/L


 NO. OF L-FLAGGED VALUES        0          4          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       33         34         38         38         38
 MEAN                         13.        0.1      15.68        6.8        28.
 MINIMUM                       2.        0.0      12.00        4.2         1.
 DATE OF MINIMUM       1985-09-27 1985-03-22 1985-04-17 1987-10-27 1986-11-26
 10TH PERCENTILE               4.        0.0      12.80        6.5         9.
 MEDIAN                       10.        0.1      15.00        6.8        22.
 90TH PERCENTILE              19.        0.3      18.00        7.1        42.
 MAXIMUM                      79.        0.6      25.00        8.1       196.
 DATE OF MAXIMUM       1986-01-24 1986-11-26 1985-07-30 1987-05-14 1985-11-28
 STANDARD DEVIATION           13.        0.1       2.58        0.5        32.





                               Na    P ORTHO          P   SULPHATE         Cl
                             DISS      TOTAL      TOTAL                  DISS
                            11103      15205      15405      16302      17204
                          mg/L Na     mg/L P     mg/L P   mg/L SO4    mg/L Cl


 NO. OF L-FLAGGED VALUES        0          2          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6         35         38         35         23
 MEAN                          3.      0.023      0.131         9.         6.
 MINIMUM                       2.      0.000      0.050         1.         1.
 DATE OF MINIMUM       1987-05-14 1985-10-16 1985-07-30 1986-05-28 1985-05-03
 10TH PERCENTILE                       0.000      0.050         6.         2.
 MEDIAN                        3.      0.020      0.070         8.         6.
 90TH PERCENTILE                       0.040      0.268        10.         8.
 MAXIMUM                       4.      0.130      0.610        58.        10.
 DATE OF MAXIMUM       1987-09-23 1986-11-26 1987-03-18 1985-07-30 1985-03-12
 STANDARD DEVIATION            1.      0.025      0.140         9.         2.




                              DDT     ALDRIN     ENDRIN   DIELDRIN          K
                            TOTAL                                        DISS
                            18002      18130      18140      18150      19103
                             ug/L       ug/L       ug/L       ug/L     mg/L K


 NO. OF L-FLAGGED VALUES        2         12         13         11          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       14         12         12         12          6
 MEAN                       0.001      0.001      0.003      0.001        2.2
 MINIMUM                    0.000      0.000      0.000      0.000        2.0
 DATE OF MINIMUM       1985-03-12 1985-03-12 1985-03-12 1985-03-12 1987-05-14
 10TH PERCENTILE            0.000      0.000      0.000      0.000           
 MEDIAN                     0.000      0.001      0.005      0.000        2.2
 90TH PERCENTILE            0.002      0.001      0.005      0.002           
 MAXIMUM                    0.010      0.002      0.005      0.002        2.4
 DATE OF MAXIMUM       1986-05-28 1986-09-02 1987-10-27 1987-10-27 1987-09-23
 STANDARD DEVIATION         0.003      0.001      0.003      0.001        0.2




                               Cr         Mn         Fe         Ni         Cu
                            TOTAL      TOTAL      TOTAL      TOTAL      TOTAL
                            24002      25004      26004      28001      29006
                          mg/L Cr    mg/L Mn    mg/L Fe    mg/L Ni    mg/L Cu


 NO. OF L-FLAGGED VALUES       28          1          1         31         25
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        7         35         31          5         12
 MEAN                       0.024       0.08       2.46      0.014      0.039
 MINIMUM                    0.020       0.01       0.02      0.010      0.002
 DATE OF MINIMUM       1985-03-12 1985-03-22 1985-03-22 1985-03-12 1986-02-05
 10TH PERCENTILE            0.020       0.04       0.90      0.010      0.005
 MEDIAN                     0.020       0.07       1.67      0.010      0.005
 90TH PERCENTILE            0.020       0.14       4.14      0.010      0.010
 MAXIMUM                    0.130       0.20      15.71      0.120      1.220
 DATE OF MAXIMUM       1986-09-02 1985-11-28 1985-11-28 1986-09-02 1985-03-27
 STANDARD DEVIATION         0.019       0.05       2.70      0.018      0.200




                               Zn         As         As   COLIFORM   FAEC COL
                            TOTAL      TOTAL       DISS      TOTAL           
                            30004      33007      33103      36001      36011
                          mg/L Zn    mg/L As    mg/L As   No/100ml   No/100ml


 NO. OF L-FLAGGED VALUES        8          6          3          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       19          0          4         34         36
 MEAN                       0.013      0.002      0.004        45.        22.
 MINIMUM                    0.005      0.002      0.000         0.         0.
 DATE OF MINIMUM       1987-05-14 1987-05-14 1985-03-12 1986-11-26 1986-11-26
 10TH PERCENTILE            0.005                               3.         1.
 MEDIAN                     0.010      0.002      0.000        15.         5.
 90TH PERCENTILE            0.020                              50.        59.
 MAXIMUM                    0.030      0.002      0.010       500.       170.
 DATE OF MAXIMUM       1986-09-02 1987-10-27 1985-06-19 1986-07-21 1986-07-21
 STANDARD DEVIATION         0.006      0.000      0.005       100.        38.




                               Cd         Ba         Pb
                            TOTAL      TOTAL      TOTAL
                            48001      80016      82001
                          mg/L Cd    ug/L Hg    mg/L Pb


 NO. OF L-FLAGGED VALUES       33         26         30
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES        4          7          7
 MEAN                       0.002      0.123      0.024
 MINIMUM                    0.002      0.100      0.020
 DATE OF MINIMUM       1985-03-12 1985-03-12 1985-03-22
 10TH PERCENTILE            0.002      0.100      0.020
 MEDIAN                     0.002      0.100      0.020
 90TH PERCENTILE            0.002      0.134      0.040
 MAXIMUM                    0.010      0.440      0.060
 DATE OF MAXIMUM       1985-10-16 1986-05-28 1985-07-05
 STANDARD DEVIATION         0.001      0.071      0.010





 STATION - RIO PARAIBA DO SUL-BARRA MANSA           STATION NO. 002006
 COUNTRY - BRAZIL                                   DEPTH(M)       2.7
 LOCATION - OCT. 5  LAT. 22/32/11  LONG. 044/10/30  ELEVATION(M) 376.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-03-06 TO 1987-11-29

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP    PHENOLS         CN     N KJEL
                             COND                                            
                            02041      02061      06532      06606      07001
                            us/cm      deg C       mg/L    mg/L Cn     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          3          3          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         34          7         26         27
 MEAN                         60.       21.9      0.001      0.012        0.6
 MINIMUM                      45.       15.0      0.000      0.000        0.1
 DATE OF MINIMUM       1985-04-17 1985-07-30 1985-04-17 1985-03-14 1986-04-23
 10TH PERCENTILE              49.       18.4      0.000      0.000        0.2
 MEDIAN                       58.       22.0      0.001      0.010        0.6
 90TH PERCENTILE              68.       25.3      0.001      0.025        0.9
 MAXIMUM                      87.       29.0      0.004      0.030        1.3
 DATE OF MAXIMUM       1986-05-14 1987-02-24 1986-11-13 1987-07-09 1985-11-18
 STANDARD DEVIATION            8.        2.9      0.001      0.008        0.3




                            NO2-N      NO3-N        NH3         O2        BOD
                                                              DISS           
                            07207      07313      07556      08101      08201
                           mg/L N     mg/L N     mg/L N    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        1          0          0          0          2
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         27         21         40         37
 MEAN                        0.01       0.42       0.04        7.5         1.
 MINIMUM                     0.00       0.19       0.01        2.0         0.
 DATE OF MINIMUM       1985-11-18 1985-03-14 1985-04-02 1985-07-22 1987-07-09
 10TH PERCENTILE             0.00       0.29       0.01        6.6         0.
 MEDIAN                      0.01       0.43       0.04        7.7         1.
 90TH PERCENTILE             0.02       0.55       0.07        8.4         2.
 MAXIMUM                     0.06       0.71       0.09        8.8         4.
 DATE OF MAXIMUM       1985-07-08 1985-09-04 1985-11-18 1985-08-08 1986-03-19
 STANDARD DEVIATION          0.01       0.12       0.02        1.1         1.




                              COD          F        ALK         pH   SUSP SOL
                                        DISS      TOTAL               105 DEG
                            08301      09104      10102      10302      10401
                          mg/L O2     mg/L F       mg/L   pH UNITS       mg/L


 NO. OF L-FLAGGED VALUES        0          1          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       21         20         38         38         38
 MEAN                         13.        0.1      14.26        6.8        23.
 MINIMUM                       2.        0.0       9.00        6.3         5.
 DATE OF MINIMUM       1985-07-01 1985-03-06 1985-08-13 1985-08-13 1985-09-17
 10TH PERCENTILE               5.        0.0      12.00        6.5         9.
 MEDIAN                       10.        0.1      14.00        6.9        15.
 90TH PERCENTILE              19.        0.1      17.00        7.2        35.
 MAXIMUM                      54.        0.3      25.00        7.6       194.
 DATE OF MAXIMUM       1985-03-14 1986-04-23 1985-07-30 1986-07-28 1985-03-06
 STANDARD DEVIATION           10.        0.1       2.83        0.2        31.





                               Na    P ORTHO          P   SULPHATE         Cl
                             DISS      TOTAL      TOTAL                  DISS
                            11103      15205      15405      16302      17204
                          mg/L Na     mg/L P     mg/L P   mg/L SO4    mg/L Cl


 NO. OF L-FLAGGED VALUES        0          2          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        5          9         26         10         32
 MEAN                          4.      0.012      0.071         7.         6.
 MINIMUM                       3.      0.000      0.040         4.         1.
 DATE OF MINIMUM       1987-07-09 1986-05-14 1985-05-13 1987-07-09 1985-06-11
 10TH PERCENTILE                       0.000      0.040         4.         3.
 MEDIAN                        3.      0.010      0.062         8.         6.
 90TH PERCENTILE                       0.010      0.090         9.         8.
 MAXIMUM                       7.      0.050      0.250        10.        10.
 DATE OF MAXIMUM       1987-08-25 1987-02-24 1987-02-24 1987-02-24 1986-05-14
 STANDARD DEVIATION            2.      0.013      0.040         2.         2.




                              DDT     ALDRIN     ENDRIN   DIELDRIN          K
                            TOTAL                                        DISS
                            18002      18130      18140      18150      19103
                             ug/L       ug/L       ug/L       ug/L     mg/L K


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          2          2          1          5
 MEAN                       0.000      0.000      0.000      0.000        2.2
 MINIMUM                                                                  2.0
 DATE OF MINIMUM                                                   1987-07-09
 10TH PERCENTILE                                                             
 MEDIAN                                                                   2.1
 90TH PERCENTILE                                                             
 MAXIMUM                                                                  2.6
 DATE OF MAXIMUM                                                   1987-09-16
 STANDARD DEVIATION                                                       0.2




                               Cr         Mn         Fe         Fe         Ni
                            TOTAL      TOTAL      TOTAL       DISS      TOTAL
                            24002      25004      26004      26104      28001
                          mg/L Cr    mg/L Mn    mg/L Fe    mg/L Fe    mg/L Ni


 NO. OF L-FLAGGED VALUES       20          0          0          0         24
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6         25         23          2          2
 MEAN                       0.020       0.06       2.05       0.30      0.010
 MINIMUM                    0.020       0.02       0.50                 0.010
 DATE OF MINIMUM       1985-03-06 1985-09-17 1985-09-17            1985-03-06
 10TH PERCENTILE            0.020       0.03       0.56                 0.010
 MEDIAN                     0.020       0.05       1.63                 0.010
 90TH PERCENTILE            0.020       0.08       3.16                 0.010
 MAXIMUM                    0.030       0.20      10.20                 0.020
 DATE OF MAXIMUM       1985-05-07 1985-03-06 1985-03-06            1985-06-11
 STANDARD DEVIATION         0.002       0.03       2.01                 0.002




                               Cu         Cu         Zn         Zn         As
                            TOTAL       DISS      TOTAL       DISS      TOTAL
                            29006      29106      30004      30104      33007
                          mg/L Cu    mg/L Cu    mg/L Zn    mg/L Zn    mg/L As


 NO. OF L-FLAGGED VALUES        8         16          2          3          5
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6         11          8         12          0
 MEAN                       0.007      0.007      0.098      0.034      0.002
 MINIMUM                    0.005      0.001      0.005      0.010      0.002
 DATE OF MINIMUM       1986-04-23 1985-04-02 1987-07-28 1985-07-30 1987-06-02
 10TH PERCENTILE            0.005      0.005      0.005      0.010           
 MEDIAN                     0.005      0.005      0.020      0.010      0.002
 90TH PERCENTILE            0.010      0.010      0.100      0.090           
 MAXIMUM                    0.010      0.012      0.760      0.160      0.002
 DATE OF MAXIMUM       1985-03-14 1985-11-26 1987-06-02 1985-11-18 1987-09-16
 STANDARD DEVIATION         0.002      0.003      0.234      0.045      0.000




                               As   COLIFORM   FAEC COL         Cd         Ba
                             DISS      TOTAL                 TOTAL      TOTAL
                            33103      36001      36011      48001      80016
                          mg/L As   No/100ml   No/100ml    mg/L Cd    ug/L Hg


 NO. OF L-FLAGGED VALUES       21          0          0         34         30
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          2         21          3          5
 MEAN                       0.009       128.       348.      0.004      0.106
 MINIMUM                    0.000                    5.      0.002      0.010
 DATE OF MINIMUM       1985-03-14            1986-11-13 1985-03-06 1985-05-13
 10TH PERCENTILE            0.003                    8.      0.002      0.100
 MEDIAN                     0.010                   49.      0.002      0.100
 90TH PERCENTILE            0.010                  724.      0.002      0.135
 MAXIMUM                    0.010                 4900.      0.042      0.200
 DATE OF MAXIMUM       1985-11-26            1985-09-17 1985-08-13 1986-04-23
 STANDARD DEVIATION         0.003                 1067.      0.007      0.028




                               Pb       INST
                            TOTAL     DISCHG
                            82001      97160
                          mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES       24          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES       13         12
 MEAN                       0.042      326.0
 MINIMUM                    0.020      122.0
 DATE OF MINIMUM       1985-03-06 1985-05-13
 10TH PERCENTILE            0.020      143.6
 MEDIAN                     0.020      258.5
 90TH PERCENTILE            0.060      578.1
 MAXIMUM                    0.460      583.0
 DATE OF MAXIMUM       1985-08-13 1985-10-14
 STANDARD DEVIATION         0.074      158.0





 STATION - RESERVATORIO DO RIO DESCOBERTO           STATION NO. 002007
 COUNTRY - BRAZIL                                   DEPTH(M)       7.0
 LOCATION - OCT. 5  LAT. 15/46/39  LONG. 048/16/04  ELEVATION(M)1040.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   LAKE       

 PERIOD REQUESTED FROM  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-01-14 TO 1987-12-09

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        ALK         pH
                             COND                  DISS      TOTAL           
                            02041      02061      08101      10102      10302
                            us/cm      deg C    mg/L O2       mg/L   pH UNITS


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       25         31         31         31         31
 MEAN                         13.       23.3        7.0       3.46        6.6
 MINIMUM                       7.       17.0        5.2       2.40        5.7
 DATE OF MINIMUM       1985-01-14 1985-08-12 1987-10-09 1986-01-13 1986-01-13
 10TH PERCENTILE               9.       20.6        5.7       2.50        5.8
 MEDIAN                       11.       24.0        7.0       3.00        6.6
 90TH PERCENTILE              13.       24.0        8.0       4.88        7.2
 MAXIMUM                      53.       25.0        9.0       5.80        7.6
 DATE OF MAXIMUM       1985-12-10 1985-01-14 1987-06-08 1987-08-06 1986-08-28
 STANDARD DEVIATION            9.        1.6        1.0       1.01        0.5




                         SUSP SOL         Cl         Cl         Cu         Zn
                          105 DEG       DISS       DISS      TOTAL      TOTAL
                            10401      17201      17204      29006      30004
                             mg/L    mg/L Cl    mg/L Cl    mg/L Cu    mg/L Zn


 NO. OF L-FLAGGED VALUES        0          0          0          2          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3         19         12          0          1
 MEAN                          7.         0.         0.      0.010      0.020
 MINIMUM                                  0.         0.                      
 DATE OF MINIMUM                  1985-05-14 1987-01-07                      
 10TH PERCENTILE                          0.         0.                      
 MEDIAN                                   0.         0.                      
 90TH PERCENTILE                          1.         0.                      
 MAXIMUM                                  1.         0.                      
 DATE OF MAXIMUM                  1986-07-29 1987-12-09                      
 STANDARD DEVIATION                       0.         0.                      




                         FAEC COL   FAEC COL       INST
                                                 DISCHG
                            36011      36012      97160
                         No/100ml   No/100ml       m3/S


 NO. OF L-FLAGGED VALUES        0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES        6          8          8
 MEAN                         20.         6.        2.4
 MINIMUM                       0.         2.        2.3
 DATE OF MINIMUM       1987-08-06 1985-08-12 1985-03-18
 10TH PERCENTILE                                       
 MEDIAN                        6.         6.        2.4
 90TH PERCENTILE                                       
 MAXIMUM                      70.         9.        2.4
 DATE OF MAXIMUM       1987-12-09 1985-04-25 1985-12-10
 STANDARD DEVIATION           28.         2.        0.0





 STATION - RIO JACUI,JA 042                         STATION NO. 002008
 COUNTRY - BRAZIL                                   DEPTH(M)       3.7
 LOCATION - OCT. 5  LAT. 29/56/28  LONG. 051/40/50  ELEVATION(M)   1.6
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-01-15 TO 1987-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        BOD        ALK
                             COND                  DISS                 TOTAL
                            02041      02061      08101      08201      10101
                            us/cm      deg C    mg/L O2    mg/L O2       mg/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       21         30         30         30         23
 MEAN                         45.       22.2        7.8         3.      13.79
 MINIMUM                      32.       14.0        4.9         1.       6.20
 DATE OF MINIMUM       1985-02-14 1985-06-13 1987-01-15 1985-01-15 1987-04-14
 10TH PERCENTILE              34.       15.0        6.1         1.       7.64
 MEDIAN                       41.       21.8        7.8         1.      14.30
 90TH PERCENTILE              60.       29.0       10.2         2.      17.44
 MAXIMUM                      75.       32.0       11.2        48.      20.80
 DATE OF MAXIMUM       1986-01-15 1986-01-15 1985-06-13 1985-08-14 1986-02-16
 STANDARD DEVIATION           11.        5.5        1.5         9.       3.58




                               pH   SUSP SOL         Cl         Mn         Fe
                                     105 DEG       DISS      TOTAL      TOTAL
                            10302      10401      17201      25004      26004
                         pH UNITS       mg/L    mg/L Cl    mg/L Mn    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          7          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       30         15         30          4          5
 MEAN                         6.9        19.         3.       0.11       6.41
 MINIMUM                      6.0         5.         1.       0.05       2.86
 DATE OF MINIMUM       1985-08-14 1985-02-14 1987-05-14 1987-07-15 1987-06-16
 10TH PERCENTILE              6.4        10.         2.                      
 MEDIAN                       6.9        12.         2.       0.11       4.47
 90TH PERCENTILE              7.4        30.         4.                      
 MAXIMUM                      7.9        67.         4.       0.19      10.41
 DATE OF MAXIMUM       1986-02-16 1987-08-16 1987-08-16 1987-08-16 1987-04-14
 STANDARD DEVIATION           0.4        14.         1.       0.06       3.57




                               Cu         Cu         Zn         Zn   COLIFORM
                            TOTAL       DISS      TOTAL       DISS      TOTAL
                            29006      29106      30004      30104      36001
                          mg/L Cu    mg/L Cu    mg/L Zn    mg/L Zn   No/100ml


 NO. OF L-FLAGGED VALUES        1          2          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       11          6         12          7          9
 MEAN                       0.007      0.006      0.023      0.010     17122.
 MINIMUM                    0.002      0.004      0.004      0.007       300.
 DATE OF MINIMUM       1986-12-15 1985-05-14 1986-09-15 1985-03-14 1987-12-15
 10TH PERCENTILE            0.002                 0.005                      
 MEDIAN                     0.006      0.007      0.012      0.009      9000.
 90TH PERCENTILE            0.010                 0.028                      
 MAXIMUM                    0.018      0.009      0.125      0.015     90000.
 DATE OF MAXIMUM       1987-04-14 1985-09-15 1987-01-15 1985-08-14 1987-08-16
 STANDARD DEVIATION         0.004      0.002      0.033      0.003     28337.




                         FAEC COL         Cd         Cd         Ba         Hg
                                       TOTAL       DISS      TOTAL       DISS
                            36011      48001      48101      80011      80111
                         No/100ml    mg/L Cd    mg/L Cd    ug/L Hg    ug/L Hg


 NO. OF L-FLAGGED VALUES        1         11          8         12         10
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24          1          0          4          0
 MEAN                       1748.      0.001      0.002      0.046      0.068
 MINIMUM                       2.      0.001      0.001      0.020      0.060
 DATE OF MINIMUM       1986-01-15 1986-09-15 1985-03-14 1987-08-16 1985-03-14
 10TH PERCENTILE              16.      0.001                 0.025      0.060
 MEDIAN                      170.      0.001      0.002      0.030      0.070
 90TH PERCENTILE            5000.      0.001                 0.070      0.075
 MAXIMUM                   17000.      0.002      0.003      0.158      0.080
 DATE OF MAXIMUM       1987-08-16 1987-06-16 1985-09-15 1986-07-15 1985-02-14
 STANDARD DEVIATION         3770.      0.000      0.001      0.034      0.007




                               Pb         Pb       INST
                            TOTAL       DISS     DISCHG
                            82001      82101      97160
                          mg/L Pb    mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES        2          6          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES       10          2         30
 MEAN                       0.011      0.137     2112.5
 MINIMUM                    0.003      0.009      100.0
 DATE OF MINIMUM       1986-12-15 1985-03-14 1985-01-15
 10TH PERCENTILE            0.003                 230.0
 MEDIAN                     0.011      0.012     1365.0
 90TH PERCENTILE            0.017                3490.0
 MAXIMUM                    0.021      1.000    10735.0
 DATE OF MAXIMUM       1987-06-16 1986-02-16 1985-08-14
 STANDARD DEVIATION         0.006      0.349     2501.4





 STATION - RIO CAPIBARIBE                           STATION NO. 002009
 COUNTRY - BRAZIL                                   DEPTH(M)       1.8
 LOCATION - OCT. 5  LAT. 08/01/00  LONG. 035/03/00  ELEVATION(M)  57.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-02-28 TO 1987-12-28

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        BOD        ALK
                             COND                  DISS                 TOTAL
                            02041      02061      08101      08201      10102
                            us/cm      deg C    mg/L O2    mg/L O2       mg/L


 NO. OF L-FLAGGED VALUES        0          0          0          2          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       33         33         33         30         33
 MEAN                        724.       27.0        4.0        22.      99.71
 MINIMUM                     111.       23.0        0.0         1.      10.50
 DATE OF MINIMUM       1985-05-15 1986-06-18 1987-01-27 1985-06-28 1987-12-28
 10TH PERCENTILE             307.       24.3        0.1         2.      73.00
 MEDIAN                      710.       27.0        4.0         6.      95.00
 90TH PERCENTILE            1146.       29.0        6.7        61.     130.50
 MAXIMUM                    1350.       31.0        7.0       249.     145.00
 DATE OF MAXIMUM       1986-02-28 1986-02-28 1986-04-18 1987-02-16 1985-05-15
 STANDARD DEVIATION          310.        1.8        2.3        46.      25.47




                               pH   SUSP SOL         Cl         Cu         Zn
                                     105 DEG       DISS      TOTAL      TOTAL
                            10302      10401      17201      29006      30004
                         pH UNITS       mg/L    mg/L Cl    mg/L Cu    mg/L Zn


 NO. OF L-FLAGGED VALUES        0          0          0         22         10
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       33         32         32         11         23
 MEAN                         7.2       107.       310.      0.108      0.078
 MINIMUM                      6.3        16.        99.      0.002      0.002
 DATE OF MINIMUM       1986-06-18 1987-07-17 1986-01-16 1986-12-22 1986-08-25
 10TH PERCENTILE              6.8        20.       110.      0.010      0.003
 MEDIAN                       7.3        38.       310.      0.020      0.020
 90TH PERCENTILE              7.7       177.       486.      0.191      0.277
 MAXIMUM                      8.0      1039.      1065.      1.940      0.600
 DATE OF MAXIMUM       1986-10-15 1985-05-15 1987-06-25 1985-07-19 1987-06-25
 STANDARD DEVIATION           0.4       211.       199.      0.341      0.137




                         FAEC COL         Cd         Ba         Pb       INST
                                       TOTAL      TOTAL      TOTAL     DISCHG
                            36011      48001      80011      82001      97160
                         No/100ml    mg/L Cd    ug/L Hg    mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES        2         24          9         17          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       29          9         20         16         29
 MEAN                       2263.      0.027      0.391      0.143       76.8
 MINIMUM                     120.      0.002      0.020      0.004        0.6
 DATE OF MINIMUM       1986-08-25 1986-07-15 1985-07-19 1986-05-15 1985-10-25
 10TH PERCENTILE             182.      0.002      0.020      0.020        2.2
 MEDIAN                      830.      0.003      0.220      0.030        8.3
 90TH PERCENTILE            2970.      0.065      1.027      0.430      132.6
 MAXIMUM                   35000.      0.300      1.700      1.150     1340.0
 DATE OF MAXIMUM       1985-04-23 1986-12-22 1985-12-19 1987-01-27 1986-06-18
 STANDARD DEVIATION         6153.      0.069      0.441      0.266      250.3





 STATION - RIO SAO FRANCISCO-PETROLANDIA            STATION NO. 002010
 COUNTRY - BRAZIL                                   DEPTH(M)      11.3
 LOCATION - OCT. 5  LAT. 09/04/00  LONG. 038/18/00  ELEVATION(M) 282.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-04-20 TO 1987-12-17

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        BOD        ALK
                             COND                  DISS                 TOTAL
                            02041      02061      08101      08201      10102
                            us/cm      deg C    mg/L O2    mg/L O2       mg/L


 NO. OF L-FLAGGED VALUES        0          0          0         16          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       32         32         32         16         31
 MEAN                         62.       25.2        8.4         2.      32.61
 MINIMUM                      11.       22.0        7.0         0.      25.00
 DATE OF MINIMUM       1987-12-17 1986-08-06 1986-01-16 1987-04-14 1987-04-14
 10TH PERCENTILE              22.       22.6        7.6         1.      25.00
 MEDIAN                       62.       25.0        8.2         2.      30.00
 90TH PERCENTILE              82.       27.0        9.6         3.      39.55
 MAXIMUM                     114.       28.0       10.0         5.      50.00
 DATE OF MAXIMUM       1985-04-20 1985-04-20 1986-09-17 1985-10-24 1985-04-20
 STANDARD DEVIATION           21.        1.6        0.8         1.       5.47




                               pH   SUSP SOL         Cl         Cu         Cu
                                     105 DEG       DISS      TOTAL       DISS
                            10302      10401      17201      29006      29106
                         pH UNITS       mg/L    mg/L Cl    mg/L Cu    mg/L Cu


 NO. OF L-FLAGGED VALUES        0          0          0         23          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       32         32         32          9          2
 MEAN                         7.1        19.        13.      0.028      0.012
 MINIMUM                      6.0         0.         4.      0.000           
 DATE OF MINIMUM       1986-08-06 1987-02-12 1985-09-27 1987-06-19           
 10TH PERCENTILE              6.3         6.         4.      0.002           
 MEDIAN                       7.1        16.        11.      0.013           
 90TH PERCENTILE              7.7        28.        17.      0.020           
 MAXIMUM                      7.9        65.       106.      0.240           
 DATE OF MAXIMUM       1987-02-12 1985-04-20 1987-02-12 1986-04-17           
 STANDARD DEVIATION           0.5        13.        18.      0.056           




                               Zn         Zn   FAEC COL         Cd         Cd
                            TOTAL       DISS                 TOTAL       DISS
                            30004      30104      36011      48001      48101
                          mg/L Zn    mg/L Zn   No/100ml    mg/L Cd    mg/L Cd


 NO. OF L-FLAGGED VALUES        8          2         20         24          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24          1         10          8          0
 MEAN                       0.097      0.020       998.      0.010      0.003
 MINIMUM                    0.000                  180.      0.000           
 DATE OF MINIMUM       1987-05-14            1985-08-30 1987-06-19           
 10TH PERCENTILE            0.002                  180.      0.001           
 MEDIAN                     0.020                  200.      0.003           
 90TH PERCENTILE            0.216                 2000.      0.038           
 MAXIMUM                    1.010                11000.      0.090           
 DATE OF MAXIMUM       1987-04-14            1985-05-29 1986-05-14           
 STANDARD DEVIATION         0.232                 2402.      0.020           



                               Ba         Hg         Pb         Pb       INST
                            TOTAL       DISS      TOTAL       DISS     DISCHG
                            80011      80111      82001      82101      97160
                          ug/L Hg    ug/L Hg    mg/L Pb    mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES        9          0         21          2          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       17          3         11          1         31
 MEAN                       0.358      0.677      0.136      0.043     2701.9
 MINIMUM                    0.000                 0.000                 375.0
 DATE OF MINIMUM       1987-07-15            1987-06-19            1985-11-21
 10TH PERCENTILE            0.020                 0.004                1614.6
 MEDIAN                     0.165                 0.030                2315.0
 90TH PERCENTILE            0.760                 0.124                4724.2
 MAXIMUM                    2.030                 2.280                7474.0
 DATE OF MAXIMUM       1985-05-29            1986-02-27            1986-01-16
 STANDARD DEVIATION         0.536                 0.415                1418.4





 STATION - RIB. SERRA ASUL-FAZ SOBRADINHO           STATION NO. 002011
 COUNTRY - BRAZIL                                   DEPTH(M)       0.6
 LOCATION - OCT. 5  LAT. 20/01/00  LONG. 044/22/00  ELEVATION(M) 760.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-07-02 TO 1987-11-12

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         CN         O2        BOD
                             COND                             DISS           
                            02041      02061      06606      08101      08201
                            us/cm      deg C    mg/L Cn    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0         28          0         14
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       29         29          0         29         13
 MEAN                         31.       21.4      0.025        8.2         2.
 MINIMUM                      21.       15.0      0.025        5.8         2.
 DATE OF MINIMUM       1986-05-30 1985-07-29 1985-07-02 1987-10-29 1985-07-02
 10TH PERCENTILE              24.       15.9      0.025        7.4         2.
 MEDIAN                       30.       21.0      0.025        8.0         2.
 90TH PERCENTILE              40.       25.0      0.025        9.2         3.
 MAXIMUM                      47.       29.0      0.025       10.0         5.
 DATE OF MAXIMUM       1986-11-06 1985-07-02 1987-11-12 1986-10-27 1986-11-06
 STANDARD DEVIATION            7.        3.2      0.000        0.9         1.




                              ALK         pH   SUSP SOL         Cl         Cu
                            TOTAL               105 DEG       DISS      TOTAL
                            10102      10302      10401      17203      29006
                             mg/L   pH UNITS       mg/L    mg/L Cl    mg/L Cu


 NO. OF L-FLAGGED VALUES        0          0          0          0         28
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       29         28         28         29          0
 MEAN                       16.63        6.8        30.         1.      0.066
 MINIMUM                     8.00        5.2         4.         0.      0.050
 DATE OF MINIMUM       1986-02-06 1985-11-26 1986-10-27 1986-03-26 1985-07-02
 10TH PERCENTILE            11.25        5.9         5.         1.      0.050
 MEDIAN                     15.50        6.9        15.         1.      0.050
 90TH PERCENTILE            18.51        7.3        70.         2.      0.050
 MAXIMUM                    60.00        7.5       209.         2.      0.500
 DATE OF MAXIMUM       1985-11-26 1987-04-28 1986-02-06 1986-11-06 1985-09-30
 STANDARD DEVIATION          8.76        0.6        43.         1.      0.085




                               Zn         As         As   COLIFORM   FAEC COL
                            TOTAL      TOTAL      TOTAL      TOTAL           
                            30004      33003      33007      36001      36011
                          mg/L Zn    mg/L As    mg/L As   No/100ml   No/100ml


 NO. OF L-FLAGGED VALUES        2         21         13          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          3          8
 NO. OF UNFLAGGED VALUES       26          2          3          7         18
 MEAN                       0.100      0.001      0.002      1384.      1325.
 MINIMUM                    0.010      0.001      0.001       220.         2.
 DATE OF MINIMUM       1986-06-30 1986-01-29 1985-07-02 1987-06-30 1986-07-16
 10TH PERCENTILE            0.010      0.001      0.001       220.       112.
 MEDIAN                     0.050      0.001      0.001      1600.      1300.
 90TH PERCENTILE            0.202      0.001      0.003      2400.      2400.
 MAXIMUM                    0.680      0.005      0.005      2400.      2400.
 DATE OF MAXIMUM       1986-02-06 1986-02-06 1986-02-06 1987-05-07 1986-09-04
 STANDARD DEVIATION         0.142      0.001      0.001       865.       942.





                               Cd         Ba         Pb
                            TOTAL      TOTAL      TOTAL
                            48001      80011      82001
                          mg/L Cd    ug/L Hg    mg/L Pb


 NO. OF L-FLAGGED VALUES       24          1         18
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES        4         18         10
 MEAN                       0.001      1.621      0.027
 MINIMUM                    0.001      0.500      0.010
 DATE OF MINIMUM       1985-07-02 1986-04-29 1985-07-02
 10TH PERCENTILE            0.001      0.500      0.010
 MEDIAN                     0.001      1.000      0.010
 90TH PERCENTILE            0.001      3.150      0.072
 MAXIMUM                    0.002      5.000      0.160
 DATE OF MAXIMUM       1987-09-21 1986-10-27 1986-02-06
 STANDARD DEVIATION         0.000      1.288      0.036





 STATION - RIO VELHAS - HONORIO BICALHO             STATION NO. 002012
 COUNTRY - BRAZIL                                   DEPTH(M)       0.7
 LOCATION - OCT. 5  LAT. 20/01/00  LONG. 043/49/00  ELEVATION(M) 721.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1985-01-01 TO 1987-12-31
 PERIOD OF RECORD FROM  - 1985-05-30 TO 1987-11-23

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         CN         O2        BOD
                             COND                             DISS           
                            02041      02061      06606      08101      08201
                            us/cm      deg C    mg/L Cn    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0         27          0         14
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       28         28          0         28         14
 MEAN                         43.       21.4      0.025        8.5         3.
 MINIMUM                      26.       17.0      0.025        6.4         2.
 DATE OF MINIMUM       1986-01-03 1987-06-30 1985-07-03 1987-10-29 1986-01-29
 10TH PERCENTILE              30.       18.0      0.025        7.6         2.
 MEDIAN                       41.       22.0      0.025        8.4         2.
 90TH PERCENTILE              56.       24.1      0.025        9.8         4.
 MAXIMUM                      63.       26.0      0.025       10.0        10.
 DATE OF MAXIMUM       1986-11-10 1987-04-28 1987-11-23 1986-10-27 1985-07-29
 STANDARD DEVIATION           10.        2.3      0.000        0.8         2.




                              ALK         pH   SUSP SOL         Cl         Cu
                            TOTAL               105 DEG       DISS      TOTAL
                            10102      10302      10401      17203      29006
                             mg/L   pH UNITS       mg/L    mg/L Cl    mg/L Cu


 NO. OF L-FLAGGED VALUES        0          0          0          0         26
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       28         27         27         28          2
 MEAN                       20.19        7.0       256.         1.      0.048
 MINIMUM                     8.80        6.0         4.         0.      0.020
 DATE OF MINIMUM       1986-01-03 1985-07-03 1986-09-09 1986-02-14 1987-09-15
 10TH PERCENTILE            10.94        6.1         9.         0.      0.046
 MEDIAN                     20.85        7.1        30.         1.      0.050
 90TH PERCENTILE            25.82        7.5       391.         2.      0.050
 MAXIMUM                    28.00        7.7      3683.         4.      0.050
 DATE OF MAXIMUM       1987-09-15 1987-09-15 1986-05-13 1986-10-27 1987-02-23
 STANDARD DEVIATION          4.97        0.5       723.         1.      0.007




                               Zn         As         As   COLIFORM   FAEC COL
                            TOTAL      TOTAL      TOTAL      TOTAL           
                            30004      33003      33007      36001      36011
                          mg/L Zn    mg/L As    mg/L As   No/100ml   No/100ml


 NO. OF L-FLAGGED VALUES        2          3          6          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          6         14
 NO. OF UNFLAGGED VALUES       26          9         12          2         12
 MEAN                       0.098      0.004      0.013      1860.      2460.
 MINIMUM                    0.010      0.001      0.000       130.       120.
 DATE OF MINIMUM       1985-07-29 1986-11-10 1986-12-18 1987-06-30 1985-09-30
 10TH PERCENTILE            0.010      0.001      0.001                  120.
 MEDIAN                     0.040      0.002      0.002      2400.      2400.
 90TH PERCENTILE            0.267      0.005      0.022                 3440.
 MAXIMUM                    0.560      0.024      0.083      2400.     16000.
 DATE OF MAXIMUM       1985-07-03 1987-03-17 1986-01-03 1987-01-13 1986-06-30
 STANDARD DEVIATION         0.131      0.007      0.026      1002.      3065.




                               Cd         Ba         Pb       INST
                            TOTAL      TOTAL      TOTAL     DISCHG
                            48001      80011      82001      97160
                          mg/L Cd    ug/L Hg    mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES       24          1         19          0
 NO. OF G-FLAGGED VALUES        0          0          0          0
 NO. OF UNFLAGGED VALUES        4         19          9         22
 MEAN                       0.001      1.190      0.021       30.0
 MINIMUM                    0.001      0.500      0.010       16.5
 DATE OF MINIMUM       1985-05-30 1986-02-14 1985-05-30 1986-09-09
 10TH PERCENTILE            0.001      0.500      0.010       16.6
 MEDIAN                     0.001      0.900      0.010       23.8
 90TH PERCENTILE            0.002      1.800      0.051       49.3
 MAXIMUM                    0.004      3.700      0.140       87.3
 DATE OF MAXIMUM       1987-10-29 1986-07-08 1987-02-23 1986-01-03
 STANDARD DEVIATION         0.001      0.924      0.029       17.0



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Last updated: 2001-07-30