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STATISTICS for SENEGAL

STATISTICS FOR SENEGAL


GEMS/WATER - STATISTICAL SUMMARY BY STATION     2002-02-04   PAGE  16

 STATION - LAC DE GUIERS                            STATION NO. 100001
 COUNTRY - SENEGAL                                  DEPTH(M)       1.2
 LOCATION - OCT. 0  LAT. 15/04/00  LONG. 015/25/00  ELEVATION(M)   0.8
 REGIONAL CENTRE - AFRA                             WATER TYPE   LAKE       

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1998-03-13 TO 1998-03-13

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP      NO2-N      NO3-N        NH3
                             COND                                            
                            02041      02061      07207      07306      07551
                            us/cm      deg C     mg/L N     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          1          1          1
 MEAN                        247.       26.0       0.00       0.00       0.10
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                              ALK         pH         Mg         Si   SULPHATE
                            TOTAL                  DISS   REACTIVE           
                            10102      10301      12103      14101      16306
                             mg/L   pH UNITS    mg/L Mg   mg/LSiO2   mg/L SO4


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          1          1          1
 MEAN                      200.00        8.0        12.       6.00         3.
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Cl         Ca         Mn         Fe
                             DISS       DISS       DISS       DISS
                            17204      20103      25101      26102
                          mg/L Cl    mg/L Ca    mg/L Mn    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          1          1
 MEAN                         50.     20.000       0.00       0.28
 MINIMUM                                                          
 DATE OF MINIMUM                                                  
 10TH PERCENTILE                                                  
 MEDIAN                                                           
 90TH PERCENTILE                                                  
 MAXIMUM                                                          
 DATE OF MAXIMUM                                                  
 STANDARD DEVIATION                                               





 STATION - PRISE D'EAU A ST. LOUIS                  STATION NO. 100002
 COUNTRY - SENEGAL                                  DEPTH(M)       0.0
 LOCATION - OCT. 0  LAT. 16/00/00  LONG. 016/25/00  ELEVATION(M)   0.0
 REGIONAL CENTRE - AFRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1998-03-20 TO 1998-03-20

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC      NO2-N        NH3        ALK         pH
                             COND                            TOTAL           
                            02041      07207      07551      10102      10301
                            us/cm     mg/L N     mg/L N       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        1          1          1          1          1
 MEAN                        482.       0.10       0.25     160.00        7.5
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Mg         Si   SULPHATE         Cl         Ca
                             DISS   REACTIVE                  DISS       DISS
                            12103      14101      16306      17204      20103
                          mg/L Mg   mg/LSiO2   mg/L SO4    mg/L Cl    mg/L Ca


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          1          1          1
 MEAN                         10.       3.00         0.       114.     20.000
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Fe
                             DISS
                            26102
                          mg/L Fe


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES        1
 MEAN                        0.10
 MINIMUM                         
 DATE OF MINIMUM                 
 10TH PERCENTILE                 
 MEDIAN                          
 90TH PERCENTILE                 
 MAXIMUM                         
 DATE OF MAXIMUM                 
 STANDARD DEVIATION              





 STATION - FORAGE N4 SEBLKOTANE                     STATION NO. 100003
 COUNTRY - SENEGAL                                  DEPTH(M)    9999.9
 LOCATION - OCT. 0  LAT. 14/30/00  LONG. 016/54/00  ELEVATION(M)9999.9
 REGIONAL CENTRE - AFRA                             WATER TYPE   GROUNDWATER

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1998-03-03 TO 1998-03-03

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC      NO2-N      NO3-N        NH3        ALK
                             COND                                       TOTAL
                            02041      07207      07306      07551      10102
                            us/cm     mg/L N     mg/L N     mg/L N       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        1          1          1          1          1
 MEAN                       1670.       0.00      13.40       0.10     520.00
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               pH         Mg         Si         Cl         Ca
                                        DISS   REACTIVE       DISS       DISS
                            10301      12103      14101      17204      20103
                         pH UNITS    mg/L Mg   mg/LSiO2    mg/L Cl    mg/L Ca


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          1          1          1
 MEAN                         6.5        44.      10.00       618.    104.000
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Fe
                             DISS
                            26102
                          mg/L Fe


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES        1
 MEAN                        0.80
 MINIMUM                         
 DATE OF MINIMUM                 
 10TH PERCENTILE                 
 MEDIAN                          
 90TH PERCENTILE                 
 MAXIMUM                         
 DATE OF MAXIMUM                 
 STANDARD DEVIATION              





 STATION - FORAGE N6 POUT NORD                      STATION NO. 100004
 COUNTRY - SENEGAL                                  DEPTH(M)    9999.9
 LOCATION - OCT. 0  LAT. 14/27/00  LONG. 017/00/00  ELEVATION(M)9999.9
 REGIONAL CENTRE - AFRA                             WATER TYPE   GROUNDWATER

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1998-03-05 TO 1998-03-05

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                            NO2-N      NO3-N        NH3        ALK         pH
                                                             TOTAL           
                            07207      07306      07551      10102      10301
                           mg/L N     mg/L N     mg/L N       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        1          1          1          1          1
 MEAN                        0.00       1.90       0.00     520.00        6.4
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Mg         Si   SULPHATE         Cl         Ca
                             DISS   REACTIVE                  DISS       DISS
                            12103      14101      16306      17204      20103
                          mg/L Mg   mg/LSiO2   mg/L SO4    mg/L Cl    mg/L Ca


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          1          1          1
 MEAN                         51.      10.00        16.        92.     28.000
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Fe
                             DISS
                            26102
                          mg/L Fe


 NO. OF L-FLAGGED VALUES        1
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES        0
 MEAN                        0.06
 MINIMUM                         
 DATE OF MINIMUM                 
 10TH PERCENTILE                 
 MEDIAN                          
 90TH PERCENTILE                 
 MAXIMUM                         
 DATE OF MAXIMUM                 
 STANDARD DEVIATION              





 STATION - FLEUVE SENEGAL-RICHARD TOOL              STATION NO. 100006
 COUNTRY - SENEGAL                                  DEPTH(M)       0.5
 LOCATION - OCT. 0  LAT. 16/27/16  LONG. 015/42/27  ELEVATION(M)   0.0
 REGIONAL CENTRE - AFRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1998-03-19 TO 1998-03-19

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC      NO2-N        NH3        ALK         pH
                             COND                            TOTAL           
                            02041      07207      07551      10102      10301
                            us/cm     mg/L N     mg/L N       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        1          1          1          1          1
 MEAN                        102.       0.00       0.30     120.00        7.6
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Mg         Si   SULPHATE         Cl         Ca
                             DISS   REACTIVE                  DISS       DISS
                            12103      14101      16306      17204      20103
                          mg/L Mg   mg/LSiO2   mg/L SO4    mg/L Cl    mg/L Ca


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          1          1          1
 MEAN                          7.       3.00         0.        21.     12.000
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Mn         Fe
                             DISS       DISS
                            25109      26102
                          mg/L Mn    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        1          1
 MEAN                        0.00       0.10
 MINIMUM                                    
 DATE OF MINIMUM                            
 10TH PERCENTILE                            
 MEDIAN                                     
 90TH PERCENTILE                            
 MAXIMUM                                    
 DATE OF MAXIMUM                            
 STANDARD DEVIATION                         





 STATION - FLEUVE SENEGAL - DAGANA                  STATION NO. 100007
 COUNTRY - SENEGAL                                  DEPTH(M)       4.0
 LOCATION - OCT. 0  LAT. 16/31/00  LONG. 015/30/00  ELEVATION(M)   0.0
 REGIONAL CENTRE - AFRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1998-03-19 TO 1998-03-19

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC      NO2-N        NH3        ALK         pH
                             COND                            TOTAL           
                            02041      07207      07551      10102      10301
                            us/cm     mg/L N     mg/L N       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        1          1          1          1          1
 MEAN                         85.       0.25       0.25     120.00        7.4
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Mg         Si   SULPHATE         Cl         Ca
                             DISS   REACTIVE                  DISS       DISS
                            12103      14101      16306      17204      20103
                          mg/L Mg   mg/LSiO2   mg/L SO4    mg/L Cl    mg/L Ca


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          1          1          1
 MEAN                          5.       6.00         0.        21.     12.000
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Mn         Fe
                             DISS       DISS
                            25109      26102
                          mg/L Mn    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        1          1
 MEAN                        0.00       0.06
 MINIMUM                                    
 DATE OF MINIMUM                            
 10TH PERCENTILE                            
 MEDIAN                                     
 90TH PERCENTILE                            
 MAXIMUM                                    
 DATE OF MAXIMUM                            
 STANDARD DEVIATION                         





 STATION - FLEUVE SENEGAL-PODOR                     STATION NO. 100008
 COUNTRY - SENEGAL                                  DEPTH(M)       4.5
 LOCATION - OCT. 0  LAT. 16/39/16  LONG. 014/57/44  ELEVATION(M)   0.0
 REGIONAL CENTRE - AFRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1998-03-19 TO 1998-03-19

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC      NO2-N        NH3        ALK         pH
                             COND                            TOTAL           
                            02041      07207      07551      10102      10301
                            us/cm     mg/L N     mg/L N       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        1          1          1          1          1
 MEAN                         55.       0.25       0.25      80.00        7.3
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Mg         Si   SULPHATE         Cl         Ca
                             DISS   REACTIVE                  DISS       DISS
                            12103      14101      16306      17204      20103
                          mg/L Mg   mg/LSiO2   mg/L SO4    mg/L Cl    mg/L Ca


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          1          1          1
 MEAN                          5.       3.00         0.        21.      8.000
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Mn         Fe
                             DISS       DISS
                            25109      26102
                          mg/L Mn    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        1          1
 MEAN                        0.00       0.06
 MINIMUM                                    
 DATE OF MINIMUM                            
 10TH PERCENTILE                            
 MEDIAN                                     
 90TH PERCENTILE                            
 MAXIMUM                                    
 DATE OF MAXIMUM                            
 STANDARD DEVIATION                         





 STATION - FORAGE NO. 2 - FATICK                    STATION NO. 100009
 COUNTRY - SENEGAL                                  DEPTH(M)     379.0
 LOCATION - OCT. 0  LAT. 14/20/22  LONG. 016/25/00  ELEVATION(M)   0.0
 REGIONAL CENTRE - AFRA                             WATER TYPE   GROUNDWATER

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1998-03-11 TO 1998-03-11

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC      NO2-N      NO3-N        NH3        ALK
                             COND                                       TOTAL
                            02041      07207      07306      07551      10102
                            us/cm     mg/L N     mg/L N     mg/L N       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        1          1          1          1          1
 MEAN                       2370.       0.35       7.13       0.25     880.00
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               pH         Mg         Si   SULPHATE         Cl
                                        DISS   REACTIVE                  DISS
                            10301      12103      14101      16306      17204
                         pH UNITS    mg/L Mg   mg/LSiO2   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        1          1          1          1          1
 MEAN                         5.0         5.      10.00        50.       667.
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Ca         Fe
                             DISS       DISS
                            20103      26102
                          mg/L Ca    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        1          1
 MEAN                      12.000       0.15
 MINIMUM                                    
 DATE OF MINIMUM                            
 10TH PERCENTILE                            
 MEDIAN                                     
 90TH PERCENTILE                            
 MAXIMUM                                    
 DATE OF MAXIMUM                            
 STANDARD DEVIATION                         





 STATION - FORAGE NO. 3-ZINGUINCHOR-BIS             STATION NO. 100010
 COUNTRY - SENEGAL                                  DEPTH(M)     200.0
 LOCATION - OCT. 0  LAT. 12/33/44  LONG. 016/16/26  ELEVATION(M)   0.0
 REGIONAL CENTRE - AFRA                             WATER TYPE   GROUNDWATER

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1998-03-23 TO 1998-03-23

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                            NO2-N      NO3-N        NH3        ALK         pH
                                                             TOTAL           
                            07207      07306      07551      10102      10301
                           mg/L N     mg/L N     mg/L N       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        1          1          1          1          1
 MEAN                        0.10       1.70       0.80     640.00        7.2
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Mg         Si   SULPHATE         Cl         Ca
                             DISS   REACTIVE                  DISS       DISS
                            12103      14101      16306      17204      20103
                          mg/L Mg   mg/LSiO2   mg/L SO4    mg/L Cl    mg/L Ca


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          1          1          1
 MEAN                         34.       8.00       256.       320.     64.000
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Fe
                             DISS
                            26102
                          mg/L Fe


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES        1
 MEAN                        0.15
 MINIMUM                         
 DATE OF MINIMUM                 
 10TH PERCENTILE                 
 MEDIAN                          
 90TH PERCENTILE                 
 MAXIMUM                         
 DATE OF MAXIMUM                 
 STANDARD DEVIATION              





 STATION - FORAGE NO. 2-NEMA 21 GUINCHOR            STATION NO. 100011
 COUNTRY - SENEGAL                                  DEPTH(M)      49.0
 LOCATION - OCT. 0  LAT. 12/33/06  LONG. 016/17/14  ELEVATION(M)   0.0
 REGIONAL CENTRE - AFRA                             WATER TYPE   GROUNDWATER

 PERIOD REQUESTED FROM  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1998-03-23 TO 1998-03-23

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC      NO2-N      NO3-N        NH3        ALK
                             COND                                       TOTAL
                            02041      07207      07306      07551      10102
                            us/cm     mg/L N     mg/L N     mg/L N       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        1          1          1          1          1
 MEAN                         79.       0.00       7.00       0.10     160.00
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               pH         Mg         Si   SULPHATE         Cl
                                        DISS   REACTIVE                  DISS
                            10301      12103      14101      16306      17204
                         pH UNITS    mg/L Mg   mg/LSiO2   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        1          1          1          1          1
 MEAN                         6.0         5.      10.00         7.        28.
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Ca         Fe
                             DISS       DISS
                            20103      26102
                          mg/L Ca    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        1          1
 MEAN                      16.000       0.15
 MINIMUM                                    
 DATE OF MINIMUM                            
 10TH PERCENTILE                            
 MEDIAN                                     
 90TH PERCENTILE                            
 MAXIMUM                                    
 DATE OF MAXIMUM                            
 STANDARD DEVIATION                         




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GEMS/WATER
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Last updated: 2001-07-30