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STATISTICS for BRAZIL

STATISTICS FOR BRAZIL


GEMS/WATER - STATISTICAL SUMMARY BY STATION     2002-02-15   PAGE  65

 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  - 1982-01-01 TO 1984-12-31
 PERIOD OF RECORD FROM  - 1982-01-05 TO 1984-12-04

 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          2
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          3         36          9          1
 MEAN                          1.        67.       21.8         3.      0.009
 MINIMUM                       1.                  17.0         2.           
 DATE OF MINIMUM       1982-01-05            1982-08-03 1984-06-05           
 10TH PERCENTILE               1.                  17.6                      
 MEDIAN                        1.                  22.0         3.           
 90TH PERCENTILE               1.                  26.3                      
 MAXIMUM                       1.                  31.0         4.           
 DATE OF MAXIMUM       1984-12-04            1984-03-01 1984-04-02           
 STANDARD DEVIATION            0.                   3.5         1.           




                           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        0         14          0          2          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         22         36         34         36
 MEAN                         0.7       0.01       0.28       0.07        7.5
 MINIMUM                      0.1       0.00       0.02       0.00        2.4
 DATE OF MINIMUM       1982-10-04 1982-02-02 1983-01-04 1984-03-01 1982-08-03
 10TH PERCENTILE              0.3       0.00       0.07       0.01        6.5
 MEDIAN                       0.6       0.01       0.29       0.06        7.6
 90TH PERCENTILE              1.2       0.03       0.42       0.13        8.5
 MAXIMUM                      1.9       0.09       0.63       0.28        9.2
 DATE OF MAXIMUM       1984-01-02 1983-05-03 1982-03-02 1983-02-02 1984-09-03
 STANDARD DEVIATION           0.4       0.02       0.13       0.05        1.2




                              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        6          5          0          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       30         31          3         36          2
 MEAN                          1.        14.      10.33        6.9         7.
 MINIMUM                       1.         5.                   6.2           
 DATE OF MINIMUM       1982-01-05 1982-02-02            1984-09-03           
 10TH PERCENTILE               1.         6.                   6.4           
 MEDIAN                        1.        12.                   6.8           
 90TH PERCENTILE               2.        26.                   7.3           
 MAXIMUM                       3.        34.                   9.0           
 DATE OF MAXIMUM       1984-11-06 1984-10-01            1983-01-04           
 STANDARD DEVIATION            1.         8.                   0.5           





                          P ORTHO        PO4         Cl         Cl         Mn
                             DISS      TOTAL       DISS       DISS      TOTAL
                            15255      15408      17201      17203      25004
                           mg/L P     mg/L P    mg/L Cl    mg/L Cl    mg/L Mn


 NO. OF L-FLAGGED VALUES        2          0          0          0          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       33         36         22         14         35
 MEAN                       0.028      0.067         8.         6.       0.02
 MINIMUM                    0.003      0.025         5.         4.       0.01
 DATE OF MINIMUM       1983-05-03 1982-04-07 1983-07-04 1983-12-01 1982-07-07
 10TH PERCENTILE            0.005      0.028         5.         4.       0.01
 MEDIAN                     0.025      0.053         6.         6.       0.02
 90TH PERCENTILE            0.057      0.128         7.         8.       0.03
 MAXIMUM                    0.095      0.275        59.         8.       0.07
 DATE OF MAXIMUM       1982-01-05 1984-07-03 1982-05-04 1984-10-01 1984-03-01
 STANDARD DEVIATION         0.022      0.049        11.         1.       0.01




                               Fe         Cu         Zn         As   COLIFORM
                            TOTAL       DISS       DISS      TOTAL      TOTAL
                            26004      29106      30104      33003      36001
                          mg/L Fe    mg/L Cu    mg/L Zn    mg/L As   No/100ml


 NO. OF L-FLAGGED VALUES        0          0         11          3          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       24         36         25          0         27
 MEAN                        1.20      0.011      0.011      0.017      7957.
 MINIMUM                     0.15      0.001      0.001                    9.
 DATE OF MINIMUM       1984-04-02 1982-03-02 1982-03-02            1983-12-01
 10TH PERCENTILE             0.46      0.001      0.001                  140.
 MEDIAN                      1.08      0.010      0.010                 1300.
 90TH PERCENTILE             1.91      0.020      0.020                26000.
 MAXIMUM                     2.80      0.040      0.040                79000.
 DATE OF MAXIMUM       1984-06-05 1982-09-02 1983-04-05            1983-10-05
 STANDARD DEVIATION          0.60      0.011      0.010                15450.




                         FAEC COL         Cd         Hg         Pb       INST
                                        DISS       DISS       DISS     DISCHG
                            36011      48101      80111      82101      97160
                         No/100ml    mg/L Cd    ug/L Hg    mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES        2          0         36          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       34         36          0         36         12
 MEAN                       1588.      0.001      0.200      0.001       10.2
 MINIMUM                       2.      0.001      0.200      0.001        8.4
 DATE OF MINIMUM       1983-01-04 1982-01-05 1982-01-05 1982-01-05 1984-04-02
 10TH PERCENTILE               2.      0.001      0.200      0.001        8.5
 MEDIAN                       94.      0.001      0.200      0.001       10.4
 90TH PERCENTILE            3780.      0.001      0.200      0.001       11.1
 MAXIMUM                   17000.      0.001      0.200      0.010       12.3
 DATE OF MAXIMUM       1982-08-03 1984-12-04 1984-12-04 1983-05-03 1984-03-01
 STANDARD DEVIATION         3715.      0.000      0.000      0.002        1.1





 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  - 1982-01-01 TO 1984-12-31
 PERIOD OF RECORD FROM  - 1982-01-06 TO 1984-12-05

 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          4
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         35         36          9          0
 MEAN                          1.        54.       22.8         4.      0.007
 MINIMUM                       1.        36.       18.0         3.      0.007
 DATE OF MINIMUM       1982-01-06 1983-06-08 1982-05-05 1984-06-06 1984-09-05
 10TH PERCENTILE               1.        44.       19.0                      
 MEDIAN                        1.        50.       23.0         3.      0.007
 90TH PERCENTILE               1.        65.       26.0                      
 MAXIMUM                       1.        75.       27.0         5.      0.007
 DATE OF MAXIMUM       1984-12-05 1982-05-05 1984-02-08 1984-05-09 1984-12-05
 STANDARD DEVIATION            0.         9.        2.5         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         33          0          2          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          3         36         34         36
 MEAN                         0.7       0.01       0.28       0.18        6.2
 MINIMUM                      0.3       0.01       0.10       0.04        4.5
 DATE OF MINIMUM       1982-08-04 1982-01-06 1983-07-06 1982-03-03 1982-03-03
 10TH PERCENTILE              0.5       0.01       0.11       0.05        5.1
 MEDIAN                       0.7       0.01       0.22       0.17        6.2
 90TH PERCENTILE              1.0       0.01       0.63       0.28        7.4
 MAXIMUM                      1.4       0.01       0.85       0.39        8.9
 DATE OF MAXIMUM       1984-01-04 1984-12-05 1982-05-05 1983-08-03 1982-01-06
 STANDARD DEVIATION           0.2       0.00       0.20       0.09        1.0




                              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          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36          4         36          4
 MEAN                          2.        14.       9.50        6.4        53.
 MINIMUM                       1.         7.       8.00        5.3        38.
 DATE OF MINIMUM       1982-03-03 1984-03-14 1984-12-05 1983-07-06 1984-11-07
 10TH PERCENTILE               1.        10.                   5.8           
 MEDIAN                        1.        13.       9.50        6.5        48.
 90TH PERCENTILE               2.        21.                   6.8           
 MAXIMUM                       5.        25.      11.00        7.6        77.
 DATE OF MAXIMUM       1984-07-04 1983-02-02 1984-09-05 1983-03-02 1984-12-05
 STANDARD DEVIATION            1.         5.       1.29        0.5        17.




                              PO4         Cl         Mn         Fe         Cu
                            TOTAL       DISS      TOTAL      TOTAL       DISS
                            15408      17201      25004      26004      29106
                           mg/L P    mg/L Cl    mg/L Mn    mg/L Fe    mg/L Cu


 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         24         36
 MEAN                       0.101         5.       0.10       3.74      0.009
 MINIMUM                    0.039         2.       0.06       1.53      0.001
 DATE OF MINIMUM       1984-08-01 1983-10-05 1984-11-07 1984-09-05 1983-05-04
 10TH PERCENTILE            0.050         3.       0.07       1.73      0.001
 MEDIAN                     0.098         4.       0.09       3.20      0.010
 90TH PERCENTILE            0.136         6.       0.12       6.45      0.020
 MAXIMUM                    0.184         9.       0.20       8.46      0.030
 DATE OF MAXIMUM       1982-02-03 1982-05-05 1983-09-05 1983-02-02 1982-02-03
 STANDARD DEVIATION         0.035         1.       0.03       1.81      0.008




                               Zn         As         Se   COLIFORM   FAEC COL
                             DISS      TOTAL      TOTAL      TOTAL           
                            30104      33003      34002      36001      36011
                          mg/L Zn    mg/L As    mg/L Se   No/100ml   No/100ml


 NO. OF L-FLAGGED VALUES        0          4         32          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          0          4         36         36
 MEAN                       0.045      0.017      0.002    3.0E+04     13309.
 MINIMUM                    0.020      0.017      0.002    2.3E+03       330.
 DATE OF MINIMUM       1983-04-06 1984-09-05 1982-01-06 1984-06-06 1982-09-01
 10TH PERCENTILE            0.026                 0.002    4.3E+03      1336.
 MEDIAN                     0.040      0.017      0.002    2.3E+04      5950.
 90TH PERCENTILE            0.060                 0.002    4.9E+04     33000.
 MAXIMUM                    0.100      0.017      0.002    1.3E+05     49000.
 DATE OF MAXIMUM       1983-09-05 1984-12-05 1984-12-05 1983-11-03 1983-01-05
 STANDARD DEVIATION         0.017      0.000      0.000    2.5E+04     14978.




                               Cd         Hg         Pb       INST
                             DISS       DISS       DISS     DISCHG
                            48101      80111      82101      97160
                          mg/L Cd    ug/L Hg    mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES        0         36          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0
 NO. OF UNFLAGGED VALUES       36          0         36         24
 MEAN                       0.001      0.200      0.002      225.9
 MINIMUM                    0.001      0.200      0.001      127.0
 DATE OF MINIMUM       1982-01-06 1982-01-06 1982-01-06 1984-11-07
 10TH PERCENTILE            0.001      0.200      0.001      137.8
 MEDIAN                     0.001      0.200      0.001      216.5
 90TH PERCENTILE            0.001      0.200      0.001      296.0
 MAXIMUM                    0.001      0.200      0.010      516.0
 DATE OF MAXIMUM       1984-12-05 1984-12-05 1982-08-04 1983-06-08
 STANDARD DEVIATION         0.000      0.000      0.003       85.4





 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  - 1982-01-01 TO 1984-12-31
 PERIOD OF RECORD FROM  - 1982-01-05 TO 1984-12-04

 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          3
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          4         36          9          0
 MEAN                          1.       118.       22.8         3.      0.007
 MINIMUM                       1.        92.       18.0         2.           
 DATE OF MINIMUM       1982-01-05 1984-09-04 1983-08-02 1984-06-05           
 10TH PERCENTILE               1.                  19.0                      
 MEDIAN                        1.       122.       23.0         3.           
 90TH PERCENTILE               1.                  26.0                      
 MAXIMUM                       1.       138.       29.0         4.           
 DATE OF MAXIMUM       1984-12-04 1984-12-04 1982-03-02 1984-07-03           
 STANDARD DEVIATION            0.        20.        2.9         1.           




                           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         31          0         10          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36          5         36         26         36
 MEAN                         0.4       0.01       0.20       0.04        8.1
 MINIMUM                      0.0       0.01       0.03       0.01        5.9
 DATE OF MINIMUM       1984-12-04 1982-01-05 1982-07-06 1982-01-05 1984-03-13
 10TH PERCENTILE              0.1       0.01       0.05       0.01        6.8
 MEDIAN                       0.4       0.01       0.19       0.03        8.1
 90TH PERCENTILE              0.6       0.01       0.36       0.08        9.4
 MAXIMUM                      0.7       0.02       0.44       0.24        9.8
 DATE OF MAXIMUM       1982-03-02 1984-11-06 1983-12-05 1984-11-06 1984-09-04
 STANDARD DEVIATION           0.2       0.00       0.11       0.05        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          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       34         36          4         35          4
 MEAN                          2.        10.      50.25        6.9        28.
 MINIMUM                       1.         4.      25.00        6.0         3.
 DATE OF MINIMUM       1982-02-01 1982-06-01 1984-10-02 1984-11-06 1984-12-04
 10TH PERCENTILE               1.         5.                   6.5           
 MEDIAN                        2.        10.      50.50        6.9        28.
 90TH PERCENTILE               3.        13.                   7.3           
 MAXIMUM                       5.        30.      75.00        8.1        52.
 DATE OF MAXIMUM       1982-03-02 1982-03-02 1984-12-04 1984-12-04 1984-10-02
 STANDARD DEVIATION            1.         5.      26.92        0.4        28.





                              PO4         Cl         Mn         Fe         Cu
                            TOTAL       DISS      TOTAL      TOTAL       DISS
                            15408      17201      25004      26004      29106
                           mg/L P    mg/L Cl    mg/L Mn    mg/L Fe    mg/L Cu


 NO. OF L-FLAGGED VALUES        3          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       33         36         36         24         36
 MEAN                       0.027         6.       0.03       1.52      0.004
 MINIMUM                    0.005         3.       0.01       0.11      0.001
 DATE OF MINIMUM       1982-02-01 1983-09-01 1982-05-04 1984-04-03 1982-01-05
 10TH PERCENTILE            0.005         4.       0.01       0.17      0.001
 MEDIAN                     0.010         5.       0.03       1.08      0.001
 90TH PERCENTILE            0.030         8.       0.05       3.49      0.010
 MAXIMUM                    0.460        10.       0.19       4.06      0.020
 DATE OF MAXIMUM       1984-06-05 1984-12-04 1983-11-03 1983-02-01 1983-02-01
 STANDARD DEVIATION         0.075         2.       0.03       1.31      0.005




                               Zn         As   COLIFORM   FAEC COL         Cd
                             DISS      TOTAL      TOTAL                  DISS
                            30104      33003      36001      36011      48101
                          mg/L Zn    mg/L As   No/100ml   No/100ml    mg/L Cd


 NO. OF L-FLAGGED VALUES       17          3          0          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       19          0         36         35         36
 MEAN                       0.011      0.017      4418.      2891.      0.001
 MINIMUM                    0.001                   20.         2.      0.001
 DATE OF MINIMUM       1982-02-01            1984-09-04 1982-10-05 1982-01-05
 10TH PERCENTILE            0.001                   50.         2.      0.001
 MEDIAN                     0.010                  330.        50.      0.001
 90TH PERCENTILE            0.020                 5600.       350.      0.001
 MAXIMUM                    0.150                92000.     92000.      0.001
 DATE OF MAXIMUM       1982-07-06            1983-05-03 1983-05-03 1984-12-04
 STANDARD DEVIATION         0.025                16037.     15317.      0.000




                               Hg         Pb       INST
                             DISS       DISS     DISCHG
                            80111      82101      97160
                          ug/L Hg    mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES       31          0          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES        4         36         11
 MEAN                       0.211      0.001     1615.9
 MINIMUM                    0.200      0.001      858.5
 DATE OF MINIMUM       1982-01-05 1982-01-05 1984-11-06
 10TH PERCENTILE            0.200      0.001      904.7
 MEDIAN                     0.200      0.001     1651.9
 90TH PERCENTILE            0.200      0.001     2002.7
 MAXIMUM                    0.400      0.001     2037.1
 DATE OF MAXIMUM       1983-08-02 1984-12-04 1984-05-08
 STANDARD DEVIATION         0.047      0.000      358.1





 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  - 1982-01-01 TO 1984-12-31
 PERIOD OF RECORD FROM  - 1982-01-13 TO 1984-12-26

 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          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        4         34          4         34         28
 MEAN                        207.       26.0      0.002        6.6         1.
 MINIMUM                     142.       22.0      0.002        3.2         0.
 DATE OF MINIMUM       1984-12-26 1982-07-30 1982-01-13 1983-10-14 1982-08-25
 10TH PERCENTILE                        24.0      0.002        5.4         0.
 MEDIAN                      220.       26.0      0.002        6.6         1.
 90TH PERCENTILE                        29.0      0.002        7.5         3.
 MAXIMUM                     245.       30.0      0.009        8.6         4.
 DATE OF MAXIMUM       1984-10-18 1982-03-24 1982-10-20 1983-07-28 1983-07-28
 STANDARD DEVIATION           46.        1.9      0.001        1.0         1.




                              ALK         pH   SUSP SOL         Cl         Cu
                            TOTAL               105 DEG       DISS       DISS
                            10102      10302      10401      17201      29106
                             mg/L   pH UNITS       mg/L    mg/L Cl    mg/L Cu


 NO. OF L-FLAGGED VALUES        0          0          1          1          5
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        5         33          3         33          0
 MEAN                       27.60        7.4        16.        53.      0.200
 MINIMUM                    14.00        6.4         5.         1.      0.200
 DATE OF MINIMUM       1984-09-19 1982-12-17 1984-12-26 1982-06-16 1984-08-17
 10TH PERCENTILE                         6.6                   15.           
 MEDIAN                     26.00        7.4        13.        40.      0.200
 90TH PERCENTILE                         8.0                  109.           
 MAXIMUM                    45.00        8.8        32.       166.      0.200
 DATE OF MAXIMUM       1984-12-26 1982-03-24 1984-11-09 1982-01-13 1984-12-26
 STANDARD DEVIATION         13.35        0.6        12.        41.      0.000




                               Zn         As   FAEC COL         Cd         Hg
                             DISS       DISS                  DISS       DISS
                            30104      33103      36011      48101      80111
                          mg/L Zn    mg/L As   No/100ml    mg/L Cd    ug/L Hg


 NO. OF L-FLAGGED VALUES        3          5          0          5         27
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          0         30          0          3
 MEAN                       0.140      0.020        49.      0.008      0.217
 MINIMUM                    0.100      0.020         0.      0.005      0.020
 DATE OF MINIMUM       1984-08-17 1984-08-17 1983-02-25 1984-08-17 1984-07-18
 10TH PERCENTILE                                     2.                 0.200
 MEDIAN                     0.100      0.020        22.      0.005      0.200
 90TH PERCENTILE                                   130.                 0.200
 MAXIMUM                    0.300      0.020       400.      0.020      0.600
 DATE OF MAXIMUM       1984-12-26 1984-12-26 1984-05-10 1984-12-26 1982-02-25
 STANDARD DEVIATION         0.089      0.000        80.      0.007      0.097




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


 NO. OF L-FLAGGED VALUES        4          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        1         35
 MEAN                       0.082       54.8
 MINIMUM                    0.050        3.2
 DATE OF MINIMUM       1984-08-17 1984-03-16
 10TH PERCENTILE                        10.9
 MEDIAN                     0.050       35.0
 90TH PERCENTILE                       101.5
 MAXIMUM                    0.200      308.0
 DATE OF MAXIMUM       1984-12-26 1982-06-16
 STANDARD DEVIATION         0.066       61.8





 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  - 1982-01-01 TO 1984-12-31
 PERIOD OF RECORD FROM  - 1982-01-12 TO 1984-12-12

 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          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       30         32         35         30         30
 MEAN                         77.       24.0      0.000        7.9         1.
 MINIMUM                      51.       20.0      0.000        6.0         0.
 DATE OF MINIMUM       1982-03-17 1984-07-06 1982-01-12 1982-01-12 1982-04-12
 10TH PERCENTILE              52.       20.6      0.000        6.6         0.
 MEDIAN                       60.       24.0      0.000        7.9         1.
 90TH PERCENTILE              75.       26.4      0.000        8.6         2.
 MAXIMUM                     514.       28.0      0.010       11.0         5.
 DATE OF MAXIMUM       1984-01-17 1984-01-17 1984-09-16 1984-11-09 1983-02-07
 STANDARD DEVIATION           83.        2.2      0.002        1.0         1.




                              ALK         pH   SUSP SOL         Cl         Cu
                            TOTAL               105 DEG       DISS       DISS
                            10102      10302      10401      17201      29106
                             mg/L   pH UNITS       mg/L    mg/L Cl    mg/L Cu


 NO. OF L-FLAGGED VALUES        0          0          0          0         18
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       23         30         30         30         17
 MEAN                       14.48        6.8        41.         5.      0.009
 MINIMUM                    11.00        6.2        11.         2.      0.005
 DATE OF MINIMUM       1982-05-11 1984-01-17 1984-01-17 1984-02-13 1982-02-16
 10TH PERCENTILE            11.30        6.6        14.         3.      0.005
 MEDIAN                     14.00        6.8        40.         5.      0.005
 90TH PERCENTILE            17.00        7.0        74.         7.      0.015
 MAXIMUM                    17.00        7.2       100.        15.      0.030
 DATE OF MAXIMUM       1982-12-07 1984-09-16 1984-01-26 1984-05-04 1984-08-23
 STANDARD DEVIATION          2.11        0.2        23.         2.      0.006




                               Zn         As   FAEC COL         Cd         Hg
                             DISS       DISS                  DISS       DISS
                            30104      33103      36011      48101      80111
                          mg/L Zn    mg/L As   No/100ml    mg/L Cd    ug/L Hg


 NO. OF L-FLAGGED VALUES        6          0          0         29         25
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       29         14         30          6         10
 MEAN                       0.028      0.000        64.      0.003      0.550
 MINIMUM                    0.005      0.000         8.      0.002      0.100
 DATE OF MINIMUM       1982-06-04 1982-01-12 1982-11-10 1982-02-16 1982-01-12
 10TH PERCENTILE            0.005      0.000        13.      0.002      0.100
 MEDIAN                     0.021      0.000        41.      0.002      0.100
 90TH PERCENTILE            0.059      0.000        79.      0.004      2.150
 MAXIMUM                    0.091      0.000       790.      0.010      2.700
 DATE OF MAXIMUM       1982-03-17 1984-12-12 1983-11-17 1982-01-12 1983-03-08
 STANDARD DEVIATION         0.022      0.000       139.      0.002      0.870




                               Pb
                             DISS
                            82101
                          mg/L Pb


 NO. OF L-FLAGGED VALUES       16
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES       19
 MEAN                       0.037
 MINIMUM                    0.002
 DATE OF MINIMUM       1984-01-17
 10TH PERCENTILE            0.020
 MEDIAN                     0.025
 90TH PERCENTILE            0.076
 MAXIMUM                    0.125
 DATE OF MAXIMUM       1982-06-04
 STANDARD DEVIATION         0.028





 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  - 1982-01-01 TO 1984-12-31
 PERIOD OF RECORD FROM  - 1982-01-12 TO 1984-12-27

 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          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       32         35         33         32         32
 MEAN                         62.       22.6      0.002        7.5         1.
 MINIMUM                      42.       18.0      0.000        5.0         0.
 DATE OF MINIMUM       1983-04-12 1984-08-27 1982-01-12 1982-01-12 1982-02-16
 10TH PERCENTILE              45.       19.5      0.000        6.4         0.
 MEDIAN                       55.       23.0      0.000        7.6         1.
 90TH PERCENTILE              70.       26.0      0.007        8.4         2.
 MAXIMUM                     270.       27.0      0.040        8.6         5.
 DATE OF MAXIMUM       1982-06-09 1984-12-11 1982-04-12 1984-07-23 1983-02-07
 STANDARD DEVIATION           39.        2.3      0.007        0.8         1.




                              ALK         pH   SUSP SOL         Cl         Cu
                            TOTAL               105 DEG       DISS       DISS
                            10102      10302      10401      17201      29106
                             mg/L   pH UNITS       mg/L    mg/L Cl    mg/L Cu


 NO. OF L-FLAGGED VALUES        0          0          0          0         16
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       25         32         32         32         19
 MEAN                       13.76        6.9        47.         6.      0.009
 MINIMUM                    10.00        6.5         0.         2.      0.005
 DATE OF MINIMUM       1983-03-08 1984-11-19 1983-02-07 1983-12-20 1982-02-16
 10TH PERCENTILE            11.00        6.6         7.         3.      0.005
 MEDIAN                     13.00        6.8        24.         4.      0.007
 90TH PERCENTILE            17.00        7.1        85.         7.      0.018
 MAXIMUM                    24.00        7.7       500.        60.      0.035
 DATE OF MAXIMUM       1983-01-13 1984-01-31 1982-03-17 1982-06-09 1982-01-12
 STANDARD DEVIATION          2.89        0.2        88.        10.      0.006




                               Zn         As   FAEC COL         Cd         Hg
                             DISS       DISS                  DISS       DISS
                            30104      33103      36011      48101      80111
                          mg/L Zn    mg/L As   No/100ml    mg/L Cd    ug/L Hg


 NO. OF L-FLAGGED VALUES        8          0          0         28         26
 NO. OF G-FLAGGED VALUES        0          0          2          0          0
 NO. OF UNFLAGGED VALUES       27         10         30          7          9
 MEAN                       0.034      0.000       451.      0.003      0.114
 MINIMUM                    0.005      0.000        49.      0.002      0.100
 DATE OF MINIMUM       1982-06-09 1982-01-12 1982-02-16 1982-02-16 1982-01-12
 10TH PERCENTILE            0.005      0.000        49.      0.002      0.100
 MEDIAN                     0.026      0.000       130.      0.002      0.100
 90TH PERCENTILE            0.060      0.000      1300.      0.005      0.143
 MAXIMUM                    0.204      0.000      2400.      0.010      0.225
 DATE OF MAXIMUM       1984-01-31 1984-12-27 1982-10-20 1984-08-27 1984-07-23
 STANDARD DEVIATION         0.038      0.000       661.      0.002      0.032




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


 NO. OF L-FLAGGED VALUES       15          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES       20         24
 MEAN                       0.051      413.2
 MINIMUM                    0.020      237.8
 DATE OF MINIMUM       1982-04-12 1982-06-09
 10TH PERCENTILE            0.020      242.5
 MEDIAN                     0.026      312.0
 90TH PERCENTILE            0.106      729.2
 MAXIMUM                    0.286      879.5
 DATE OF MAXIMUM       1983-05-30 1983-06-06
 STANDARD DEVIATION         0.053      203.1





 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  - 1982-01-01 TO 1984-12-31
 PERIOD OF RECORD FROM  - 1982-01-22 TO 1984-12-27

 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        4         27         31         32         33
 MEAN                          9.       22.3        6.4       2.84        6.4
 MINIMUM                       9.       20.0        5.0       2.10        5.6
 DATE OF MINIMUM       1984-11-29 1982-06-08 1984-02-28 1982-10-11 1983-02-18
 10TH PERCENTILE                        20.0        5.2       2.30        5.8
 MEDIAN                        9.       23.0        6.3       2.90        6.5
 90TH PERCENTILE                        24.0        7.3       3.20        6.7
 MAXIMUM                       9.       25.0        8.0       3.70        6.8
 DATE OF MAXIMUM       1984-12-27 1984-12-27 1984-07-23 1984-10-08 1982-03-12
 STANDARD DEVIATION            0.        1.4        0.7       0.36        0.3




                               Cl   FAEC COL
                             DISS           
                            17201      36012
                          mg/L Cl   No/100ml


 NO. OF L-FLAGGED VALUES        0          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES       33          2
 MEAN                          0.         3.
 MINIMUM                       0.           
 DATE OF MINIMUM       1983-11-30           
 10TH PERCENTILE               0.           
 MEDIAN                        0.           
 90TH PERCENTILE               1.           
 MAXIMUM                       1.           
 DATE OF MAXIMUM       1982-10-11           
 STANDARD DEVIATION            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  - 1982-01-01 TO 1984-12-31
 PERIOD OF RECORD FROM  - 1983-03-23 TO 1984-12-16

 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        5         18         17         18         16
 MEAN                         41.       20.1        8.4         1.      13.11
 MINIMUM                      34.       13.0        6.5         1.       8.31
 DATE OF MINIMUM       1984-08-16 1983-06-09 1984-01-08 1983-03-23 1984-06-10
 10TH PERCENTILE                        13.8        6.5         1.       8.72
 MEDIAN                       42.       20.0        8.3         1.      13.34
 90TH PERCENTILE                        25.3        9.8         1.      15.64
 MAXIMUM                      46.       31.0       11.0         3.      17.10
 DATE OF MAXIMUM       1984-11-15 1984-01-08 1984-08-16 1983-06-09 1984-03-12
 STANDARD DEVIATION            5.        5.1        1.2         0.       2.31




                               pH   SUSP SOL         Cl         Cu         Zn
                                     105 DEG       DISS       DISS       DISS
                            10302      10401      17201      29106      30104
                         pH UNITS       mg/L    mg/L Cl    mg/L Cu    mg/L Zn


 NO. OF L-FLAGGED VALUES        0          1          0          9          1
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       18          4         15          9         17
 MEAN                         6.9        11.         3.      0.009      0.026
 MINIMUM                      6.3        10.         2.      0.002      0.002
 DATE OF MINIMUM       1983-06-09 1984-08-16 1984-08-16 1984-10-18 1984-10-18
 10TH PERCENTILE              6.5                    2.      0.004      0.005
 MEDIAN                       6.9        10.         3.      0.007      0.016
 90TH PERCENTILE              7.2                    5.      0.015      0.054
 MAXIMUM                      7.3        15.         6.      0.020      0.120
 DATE OF MAXIMUM       1984-11-15 1984-10-18 1983-06-09 1983-10-12 1983-10-12
 STANDARD DEVIATION           0.3         2.         1.      0.005      0.031




                         FAEC COL         Cd         Hg         Pb       INST
                                        DISS       DISS       DISS     DISCHG
                            36011      48101      80111      82101      97160
                         No/100ml    mg/L Cd    ug/L Hg    mg/L Pb       m3/S


 NO. OF L-FLAGGED VALUES        0         18         10         13          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       11          0          5          5         18
 MEAN                        542.      0.003      0.080      0.024     2238.1
 MINIMUM                      79.      0.001      0.060      0.009      108.8
 DATE OF MINIMUM       1984-12-16 1984-04-15 1983-03-23 1984-08-16 1983-03-23
 10TH PERCENTILE              82.      0.001      0.060      0.009      332.2
 MEDIAN                      330.      0.002      0.080      0.019     1220.0
 90TH PERCENTILE            1219.      0.004      0.095      0.033     3295.0
 MAXIMUM                    2300.      0.010      0.100      0.100    12221.0
 DATE OF MAXIMUM       1984-09-18 1983-03-23 1984-01-08 1983-03-23 1984-06-10
 STANDARD DEVIATION          672.      0.002      0.012      0.023     2824.3





 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  - 1982-01-01 TO 1984-12-31
 PERIOD OF RECORD FROM  - 1984-06-08 TO 1984-11-27

 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          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        5          5          6          4          5
 MEAN                        610.       26.6        5.2        10.      84.00
 MINIMUM                     379.       24.0        0.0         3.      62.50
 DATE OF MINIMUM       1984-07-24 1984-07-24 1984-11-27 1984-08-25 1984-07-24
 10TH PERCENTILE                                                             
 MEDIAN                      444.       26.0        6.5         4.      80.00
 90TH PERCENTILE                                                             
 MAXIMUM                     947.       30.0        8.8        32.     105.00
 DATE OF MAXIMUM       1984-09-25 1984-11-27 1984-09-25 1984-11-27 1984-09-25
 STANDARD DEVIATION          287.        2.4        3.7        14.      17.19




                               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          3          2
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        5          4          5          2          3
 MEAN                         7.6        44.       226.      0.026      0.012
 MINIMUM                      6.8        16.        99.      0.011      0.003
 DATE OF MINIMUM       1984-07-24 1984-10-17 1984-11-27 1984-07-24 1984-07-24
 10TH PERCENTILE                                                             
 MEDIAN                       7.5        28.       170.      0.020      0.009
 90TH PERCENTILE                                                             
 MAXIMUM                      8.3       106.       426.      0.060      0.024
 DATE OF MAXIMUM       1984-09-25 1984-08-25 1984-09-25 1984-08-25 1984-09-25
 STANDARD DEVIATION           0.6        42.       133.      0.020      0.010




                         FAEC COL         Cd         Ba         Pb
                                       TOTAL      TOTAL      TOTAL
                            36011      48001      80011      82001
                         No/100ml    mg/L Cd    ug/L Hg    mg/L Pb


 NO. OF L-FLAGGED VALUES        0          5          4          4
 NO. OF G-FLAGGED VALUES        0          0          0          0
 NO. OF UNFLAGGED VALUES        5          0          0          1
 MEAN                      19050.      0.003      0.040      0.064
 MINIMUM                     450.      0.003      0.040      0.040
 DATE OF MINIMUM       1984-07-24 1984-07-24 1984-07-24 1984-11-27
 10TH PERCENTILE                                                  
 MEDIAN                      930.      0.003      0.040      0.050
 90TH PERCENTILE                                                  
 MAXIMUM                   92000.      0.003      0.040      0.120
 DATE OF MAXIMUM       1984-11-27 1984-11-27 1984-10-17 1984-09-25
 STANDARD DEVIATION        40781.      0.000      0.000      0.032





 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  - 1982-01-01 TO 1984-12-31
 PERIOD OF RECORD FROM  - 1982-01-11 TO 1984-10-20

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2         O2        BOD
                             COND                  DISS       DISS           
                            02041      02061      08101      08102      08201
                            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       13         13          3         10          3
 MEAN                        125.       28.8       10.3        7.1         4.
 MINIMUM                      54.       25.0                   5.0           
 DATE OF MINIMUM       1984-08-24 1984-09-20            1983-02-17           
 10TH PERCENTILE              54.       25.0                   5.0           
 MEDIAN                       90.       29.5                   6.9           
 90TH PERCENTILE             104.       31.4                   9.0           
 MAXIMUM                     650.       35.0                   9.2           
 DATE OF MAXIMUM       1984-02-15 1983-02-17            1982-01-11           
 STANDARD DEVIATION          159.        2.9                   1.6           




                              ALK         pH   SUSP SOL         Cl         Cu
                            TOTAL               105 DEG       DISS       DISS
                            10102      10302      10401      17201      29106
                             mg/L   pH UNITS       mg/L    mg/L Cl    mg/L Cu


 NO. OF L-FLAGGED VALUES        0          0          0          0          2
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        3         13          3          3          1
 MEAN                       23.33        6.1         7.         6.      0.027
 MINIMUM                                 5.0                                 
 DATE OF MINIMUM                  1982-03-18                                 
 10TH PERCENTILE                         5.0                                 
 MEDIAN                                  6.0                                 
 90TH PERCENTILE                         7.8                                 
 MAXIMUM                                 8.2                                 
 DATE OF MAXIMUM                  1984-09-20                                 
 STANDARD DEVIATION                      1.0                                 




                               Zn   FAEC COL         Cd         Hg         Pb
                             DISS                  DISS       DISS       DISS
                            30104      36011      48101      80111      82101
                          mg/L Zn   No/100ml    mg/L Cd    ug/L Hg    mg/L Pb


 NO. OF L-FLAGGED VALUES        1          0          3          3          2
 NO. OF G-FLAGGED VALUES        0          2          0          0          0
 NO. OF UNFLAGGED VALUES        2          1          0          0          1
 MEAN                       0.058       270.      0.003      0.000      0.127
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                             INST
                           DISCHG
                            97160
                             m3/S


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES       10
 MEAN                      4026.7
 MINIMUM                   1727.3
 DATE OF MINIMUM       1982-07-27
 10TH PERCENTILE           1727.3
 MEDIAN                    3776.8
 90TH PERCENTILE           6482.7
 MAXIMUM                   6701.8
 DATE OF MAXIMUM       1983-03-14
 STANDARD DEVIATION        2024.8





 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  - 1982-01-01 TO 1984-12-31
 PERIOD OF RECORD FROM  - 1982-02-10 TO 1983-06-09

 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        9          9          9          9          9
 MEAN                         41.       21.3        8.9         2.      18.32
 MINIMUM                      28.       18.0        7.9         0.      14.60
 DATE OF MINIMUM       1983-02-08 1982-08-10 1982-02-10 1982-06-14 1982-02-10
 10TH PERCENTILE                                                             
 MEDIAN                       39.       21.0        8.2         1.      18.60
 90TH PERCENTILE                                                             
 MAXIMUM                      49.       26.0       13.0         6.      22.50
 DATE OF MAXIMUM       1982-10-08 1983-04-13 1982-12-09 1982-12-09 1982-08-10
 STANDARD DEVIATION            7.        2.6        1.6         2.       2.73




                               pH   SUSP SOL         Cl   FAEC COL
                                     105 DEG       DISS           
                            10302      10401      17203      36011
                         pH UNITS       mg/L    mg/L Cl   No/100ml


 NO. OF L-FLAGGED VALUES        0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          5
 NO. OF UNFLAGGED VALUES        9          9          9          4
 MEAN                         6.8       639.         5.     14083.
 MINIMUM                      6.2        33.         1.       130.
 DATE OF MINIMUM       1982-06-14 1982-08-10 1982-12-09 1983-02-08
 10TH PERCENTILE                                                  
 MEDIAN                       6.7       282.         2.     24000.
 90TH PERCENTILE                                                  
 MAXIMUM                      7.5      3343.        21.     24000.
 DATE OF MAXIMUM       1982-10-08 1982-12-09 1982-02-10 1982-12-09
 STANDARD DEVIATION           0.5      1051.         7.     11806.




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Important Notices
GEMS/WATER
URL of this page: http://www.cciw.ca/summary82/braz82-e.html
Last updated: 2001-07-30