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STATISTICS FOR CHILE

STATISTICS FOR CHILE


GEMS/WATER - STATISTICAL SUMMARY BY STATION     2002-01-08   PAGE  89

 STATION - RIO MAPOCHO EN LOS ALMENDROS             STATION NO. 004001
 COUNTRY - CHILE                                    DEPTH(M)       0.3
 LOCATION - OCT. 5  LAT. 33/22/02  LONG. 070/26/53  ELEVATION(M)1024.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1988-01-05 TO 1988-06-08

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP     NO3NO2        NH3         O2
                             COND                                        DISS
                            02041      02061      07105      07551      08102
                            us/cm      deg C     mg/L N     mg/L N    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        6          6          5          6          6
 MEAN                        278.       11.9       0.49       0.21        9.8
 MINIMUM                     187.        8.0       0.04       0.01        9.0
 DATE OF MINIMUM       1988-01-05 1988-06-08 1988-01-05 1988-01-05 1988-01-05
 10TH PERCENTILE                                                             
 MEDIAN                      288.       12.9       0.52       0.19       10.0
 90TH PERCENTILE                                                             
 MAXIMUM                     352.       14.5       0.82       0.36       11.0
 DATE OF MAXIMUM       1988-06-08 1988-03-09 1988-02-09 1988-03-09 1988-06-08
 STANDARD DEVIATION           62.        2.5       0.26       0.12        0.8




                              BOD        COD        ALK         pH   SUSP SOL
                                                  TOTAL               105 DEG
                            08201      08301      10101      10301      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        5          5          6          6          6
 MEAN                          1.         5.      15.25        7.6        55.
 MINIMUM                       1.         4.       9.00        6.9        23.
 DATE OF MINIMUM       1988-04-12 1988-01-05 1988-01-05 1988-02-09 1988-05-11
 10TH PERCENTILE                                                             
 MEDIAN                        1.         4.      16.00        7.7        40.
 90TH PERCENTILE                                                             
 MAXIMUM                       1.         8.      20.00        7.9       122.
 DATE OF MAXIMUM       1988-05-11 1988-06-08 1988-05-11 1988-05-11 1988-01-05
 STANDARD DEVIATION            0.         2.       4.00        0.4        37.




                               Na         Mg    P ORTHO   SULPHATE         Cl
                             DISS       DISS      TOTAL                  DISS
                            11103      12102      15205      16302      17201
                          mg/L Na    mg/L Mg     mg/L P   mg/L SO4    mg/L Cl


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6          6          5          6          6
 MEAN                          8.         6.      0.000       106.         8.
 MINIMUM                       4.         4.      0.000        65.         6.
 DATE OF MINIMUM       1988-01-05 1988-01-05 1988-01-05 1988-01-05 1988-01-05
 10TH PERCENTILE                                                             
 MEDIAN                        8.         6.      0.000       110.         8.
 90TH PERCENTILE                                                             
 MAXIMUM                      12.         7.      0.000       130.         9.
 DATE OF MAXIMUM       1988-06-08 1988-05-11 1988-06-08 1988-04-12 1988-06-08
 STANDARD DEVIATION            3.         1.      0.000        23.         1.



                                K         Ca         Fe         Cu         As
                             DISS       DISS      TOTAL      TOTAL      TOTAL
                            19103      20103      26004      29006      33003
                           mg/L K    mg/L Ca    mg/L Fe    mg/L Cu    mg/L As


 NO. OF L-FLAGGED VALUES        0          0          0          0          2
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6          6          6          6          4
 MEAN                         1.8     40.275       1.68      3.902      0.007
 MINIMUM                      1.0     25.650       0.70      2.590      0.005
 DATE OF MINIMUM       1988-01-05 1988-01-05 1988-05-11 1988-01-05 1988-01-05
 10TH PERCENTILE                                                             
 MEDIAN                       1.8     41.350       1.19      3.925      0.007
 90TH PERCENTILE                                                             
 MAXIMUM                      3.0     51.500       4.35      5.380      0.011
 DATE OF MAXIMUM       1988-06-08 1988-06-08 1988-03-09 1988-02-09 1988-02-09
 STANDARD DEVIATION           0.8     10.354       1.35      1.093      0.003




                         COLIFORM   FAEC COL       FAEC       INST
                            TOTAL                 STREP     DISCHG
                            36001      36011      36101      97160
                         No/100ml   No/100ml   No/100ml       m3/S


 NO. OF L-FLAGGED VALUES        4          4          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          4          6
 MEAN                          4.         4.        81.        7.5
 MINIMUM                       2.         2.         2.        0.5
 DATE OF MINIMUM       1988-01-05 1988-01-05 1988-04-12 1988-05-11
 10TH PERCENTILE                                                  
 MEDIAN                        2.         2.        49.        5.0
 90TH PERCENTILE                                                  
 MAXIMUM                      13.        13.       220.       23.0
 DATE OF MAXIMUM       1988-03-09 1988-03-09 1988-05-11 1988-01-05
 STANDARD DEVIATION            5.         5.        93.        8.1





 STATION - RIO MAIPO EN EL MANZANO                  STATION NO. 004002
 COUNTRY - CHILE                                    DEPTH(M)       2.1
 LOCATION - OCT. 5  LAT. 33/35/36  LONG. 070/22/38  ELEVATION(M) 850.0
 REGIONAL CENTRE - AMRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1988-01-05 TO 1988-06-08

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP     NO3NO2        NH3         O2
                             COND                                        DISS
                            02041      02061      07105      07551      08102
                            us/cm      deg C     mg/L N     mg/L N    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        6          6          5          5          6
 MEAN                       1005.       10.0       0.15       0.04       11.0
 MINIMUM                     710.        7.5       0.07       0.01       10.0
 DATE OF MINIMUM       1988-02-09 1988-06-08 1988-01-05 1988-01-05 1988-01-05
 10TH PERCENTILE                                                             
 MEDIAN                      996.       10.4       0.11       0.04       11.0
 90TH PERCENTILE                                                             
 MAXIMUM                    1342.       11.5       0.30       0.06       12.2
 DATE OF MAXIMUM       1988-06-08 1988-03-09 1988-02-09 1988-04-12 1988-06-08
 STANDARD DEVIATION          270.        1.4       0.09       0.02        0.9




                              BOD        COD        ALK         pH   SUSP SOL
                                                  TOTAL               105 DEG
                            08201      08301      10101      10301      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        5          5          6          6          6
 MEAN                          1.         4.      75.00        8.3       430.
 MINIMUM                       1.         4.      59.00        7.9        40.
 DATE OF MINIMUM       1988-04-12 1988-01-05 1988-01-05 1988-02-09 1988-06-08
 10TH PERCENTILE                                                             
 MEDIAN                        1.         4.      75.50        8.3       375.
 90TH PERCENTILE                                                             
 MAXIMUM                       1.         4.      89.00        8.4       930.
 DATE OF MAXIMUM       1988-03-09 1988-06-08 1988-05-11 1988-04-12 1988-01-05
 STANDARD DEVIATION            0.         0.      11.61        0.2       407.




                               Na         Mg    P ORTHO   SULPHATE         Cl
                             DISS       DISS      TOTAL                  DISS
                            11103      12102      15205      16302      17201
                          mg/L Na    mg/L Mg     mg/L P   mg/L SO4    mg/L Cl


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6          6          5          6          6
 MEAN                         60.        12.      0.000       294.        83.
 MINIMUM                      28.         7.      0.000       230.        43.
 DATE OF MINIMUM       1988-01-05 1988-01-05 1988-01-05 1988-02-09 1988-01-05
 10TH PERCENTILE                                                             
 MEDIAN                       56.        11.      0.000       296.        87.
 90TH PERCENTILE                                                             
 MAXIMUM                     104.        18.      0.000       360.       118.
 DATE OF MAXIMUM       1988-06-08 1988-05-11 1988-06-08 1988-05-11 1988-06-08
 STANDARD DEVIATION           30.         4.      0.000        52.        30.



                                K         Ca         Fe         Cu         As
                             DISS       DISS      TOTAL      TOTAL      TOTAL
                            19103      20103      26004      29006      33003
                           mg/L K    mg/L Ca    mg/L Fe    mg/L Cu    mg/L As


 NO. OF L-FLAGGED VALUES        0          0          0          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6          6          6          5          6
 MEAN                         3.3    135.983       3.58      0.003      0.026
 MINIMUM                      2.0    104.400       0.60      0.000      0.011
 DATE OF MINIMUM       1988-01-05 1988-02-09 1988-05-11 1988-01-05 1988-05-11
 10TH PERCENTILE                                                             
 MEDIAN                       3.0    136.350       1.45      0.000      0.025
 90TH PERCENTILE                                                             
 MAXIMUM                      5.1    162.300      11.20      0.010      0.042
 DATE OF MAXIMUM       1988-06-08 1988-06-08 1988-01-05 1988-06-08 1988-01-05
 STANDARD DEVIATION           1.3     22.339       4.15      0.005      0.011




                         COLIFORM   FAEC COL       FAEC       INST
                            TOTAL                 STREP     DISCHG
                            36001      36011      36101      97160
                         No/100ml   No/100ml   No/100ml       m3/S


 NO. OF L-FLAGGED VALUES        0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0
 NO. OF UNFLAGGED VALUES        5          5          5          6
 MEAN                       1224.       380.       616.      182.3
 MINIMUM                     920.       330.       160.       82.0
 DATE OF MINIMUM       1988-03-09 1988-04-12 1988-03-09 1988-04-12
 10TH PERCENTILE                                                  
 MEDIAN                     1100.       350.       540.      126.0
 90TH PERCENTILE                                                  
 MAXIMUM                    1700.       540.       920.      475.0
 DATE OF MAXIMUM       1988-04-12 1988-03-09 1988-04-12 1988-01-05
 STANDARD DEVIATION          298.        90.       318.      149.4





 STATION - POZO EN PANAMERICANA 1377                STATION NO. 004003
 COUNTRY - CHILE                                    DEPTH(M)       4.8
 LOCATION - OCT. 5  LAT. 33/24/32  LONG. 070/22/38  ELEVATION(M)  35.2
 REGIONAL CENTRE - AMRA                             WATER TYPE   GROUNDWATER

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1988-01-05 TO 1988-04-12

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP     NO3NO2        NH3         O2
                             COND                                        DISS
                            02041      02061      07105      07551      08102
                            us/cm      deg C     mg/L N     mg/L N    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        2          2          2          2          2
 MEAN                        721.       16.5      12.52       0.00        4.4
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                              BOD        ALK         pH   SUSP SOL         Na
                                       TOTAL               105 DEG       DISS
                            08201      10101      10301      10401      11103
                          mg/L O2       mg/L   pH UNITS       mg/L    mg/L Na


 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          1          2          2          2
 MEAN                          0.     219.00        7.3         7.        81.
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Mg    P ORTHO   SULPHATE         Cl          K
                             DISS      TOTAL                  DISS       DISS
                            12102      15205      16302      17201      19103
                          mg/L Mg     mg/L P   mg/L SO4    mg/L Cl     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          2          2
 MEAN                         30.      0.000       230.       142.        3.4
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          



                               Ca         Fe         Cu         As   COLIFORM
                             DISS      TOTAL      TOTAL      TOTAL      TOTAL
                            20103      26004      29006      33003      36001
                          mg/L Ca    mg/L Fe    mg/L Cu    mg/L As   No/100ml


 NO. OF L-FLAGGED VALUES        0          0          0          2          2
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          2          2          0          0
 MEAN                     164.850       0.02      0.025      0.005         2.
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                         FAEC COL       FAEC
                                       STREP
                            36011      36101
                         No/100ml   No/100ml


 NO. OF L-FLAGGED VALUES        2          2
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        0          0
 MEAN                          2.         2.
 MINIMUM                                    
 DATE OF MINIMUM                            
 10TH PERCENTILE                            
 MEDIAN                                     
 90TH PERCENTILE                            
 MAXIMUM                                    
 DATE OF MAXIMUM                            
 STANDARD DEVIATION                         



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Last updated: 2001-07-30