DICHLOR       DICHLO-       DACTHAL     CLOPYR-
                                                          DINOSEB        PROP,         BENIL,        MONO-       ALID,
                                                           WATER,        WATER,        WATER,        ACID,       WATER,
                                                           FLTRD,        FLTRD,        FLTRD,       WAT,FLT      FLTRD,
                                                          GF 0.7U       GF 0.7U       GF 0.7U       GF 0.7U     GF 0.7U
    WELL NUMBER        STATION   NUMBER       DATE          REC           REC           REC           REC         REC
                                                           (UG/L)        (UG/L)        (UG/L)       (UG/L)       (UG/L)
                                                          (49301)       (49302)       (49303)       (49304)     (49305)

         1             261615081245901      05-05-98       <.0350        <.0320        <1.20          --           --
         2             261656081245901      05-07-98       <.0350        <.0320        <1.20        <.0170       <.230
         3             261947081171401      05-04-98       <.0350        <.0320        <1.20        <.0170       <.230
         4             262006081242601      05-06-98       <.0350        <.0320        <1.20          --           --
         5             262109081243001      05-06-98       <.0350        <.0320        <1.20        <.0170       <.230
         6             262140081335201      05-07-98       <.0350        <.0320        <1.20        <.0170       <.230
         7             262151081335401      05-07-98       <.0350        <.0320        <1.20        <.0170       <.230
         8             262245081241801      05-05-98       <.0350        <.0320        <1.20          --           --
         9             262529081120701      05-04-98       <.0350        <.0320        <1.20        <.0170       <.230
         10            262717081155601      06-26-98       <.0350        <.0320        <1.20        <.0170       <.230
         11            262808081294201      04-13-98       <.0350        <.0320        <1.20        <.0170       <.230
         12            262854081241301      06-25-98       <.0350        <.0320        <1.20        <.0170       <.230
         13            262916081285401      04-13-98       <.0350        <.0320        <1.20        <.0170       <.230
         14            263059081245901      04-30-98       <.0350        <.0320        <1.20        <.0170       <.230
         15            263110081255601      06-25-98       <.0350        <.0320        <1.20        <.0170       <.230
         16            263143081242401      04-30-98       <.0350        <.0320        <1.20        <.0170       <.230
         17            263447081290301      04-14-98       <.0350        <.0320        <1.20        <.0170       <.230
         18            263658081291701      04-14-98       <.0350        <.0320        <1.20        <.0170       <.230
         19            264022081054101      04-28-98       <.0350        <.0320        <1.20        <.0170       <.230
         20            264024081074001      04-28-98       <.0350        <.0320        <1.20        <.0170       <.230
         21            264148081051001      04-27-98       <.0350        <.0320        <1.20        <.0170       <.230
         22            264157081262601      04-15-98       <.0350        <.0320        <1.20        <.0170       <.230
         23            264333081275201      04-15-98       <.0350        <.0320        <1.20        <.0170       <.230
         24            264401081312501      04-16-98       <.0350        <.0320        <1.20        <.0170       <.230
         25            264401081313101      04-16-98       <.0350        <.0320        <1.20        <.0170       <.230
         26            264401081313801      04-16-98       <.0350        <.0320        <1.20        <.0170       <.230
         27            264417081035401      04-27-98       <.0350        <.0320        <1.20        <.0170       <.230
         28            264501081141901      04-29-98       <.0350        <.0320        <1.20        <.0170       <.230
         29            264508081142901      04-29-98       <.0350        <.0320        <1.20        <.0170       <.230
         30            264520081285501      06-24-98       <.0350        <.0320        <1.20        <.0170       <.230
         31            264607081292901      06-24-98       <.0350        <.0320        <1.20        <.0170       <.230