TEBU-       BENTA-
                                                            SI-                       EPTC        THIURON       ZON,
                                                          MAZINE,       METO-        WATER         WATER       WATER,
                                                           WATER,      LACHLOR       FLTRD         FLTRD       FLTRD,
                                                           DISS,        WATER        0.7 U         0.7 U       GF 0.7U
     WELL NUMBER        STATION   NUMBER        DATE        REC        DISSOLV      GF, REC       GF, REC        REC
                                                           (UG/L)      (UG/L)        (UG/L)       (UG/L)       (UG/L)
                                                          (04035)      (39415)      (82668)       (82670)      (38711)

          1              261615081245901      05-05-98     <.0050       <.002        <.0020       <.0100         --
          2              261656081245901      05-07-98     <.0050       <.002        <.0020       <.0100        .0500
          3              261947081171401      05-04-98     <.0050       <.002        <.0020       <.0100       <.0140
          4              262006081242601      05-06-98     <.0050       <.002        <.0020       <.0100         --
          5              262109081243001      05-06-98     <.0050       <.002        <.0020       <.0100       <.0140
          6              262140081335201      05-07-98     <.0050       <.002        <.0020       <.0100       <.0140
          7              262151081335401      05-07-98     <.0050       <.002        <.0020       <.0100       <.0140
          8              262245081241801      05-05-98     <.0050       <.002        <.0020       <.0100         --
          9              262529081120701      05-04-98     .0282        <.002        <.0020       <.0100       <.0140
         10              262717081155601      06-26-98     <.0050       .011         <.0020       <.0100       <.0140
         11              262808081294201      04-13-98     E.0042       <.002        <.0020       <.0100       <.0140
         12              262854081241301      06-25-98     <.0050       <.002        <.0020       <.0100       <.0140
         13              262916081285401      04-13-98     <.0050       <.002        <.0020       <.0100       <.0140
         14              263059081245901      04-30-98     .0396        <.002        <.0020       <.0100       <.0140
         15              263110081255601      06-25-98     <.0050       <.002        <.0020       <.0100       <.0140
         16              263143081242401      04-30-98     <.0050       <.002        <.0020       <.0100       <.0140
         17              263447081290301      04-14-98     <.0050       <.002        <.0020        .0110       <.0140
         18              263658081291701      04-14-98     E.0043       <.002        <.0020       <.0100       <.0140
         19              264022081054101      04-28-98     .0722        <.002        <.0020       <.0100       <.0140
         20              264024081074001      04-28-98     .0194        <.002        <.0020       <.0100       <.0140
         21              264148081051001      04-27-98     .0403        <.002        <.0020       <.0100       <.0140
         22              264157081262601      04-15-98     .0080        <.002        <.0020       <.0100       <.0140
         23              264333081275201      04-15-98      .263        <.002        <.0020       <.0100       <.0140
         24              264401081312501      04-16-98     .0100        <.002        <.0020       <.0100       <.0140
         25              264401081313101      04-16-98     .0079        <.002        <.0020       <.0100       <.0140
         26              264401081313801      04-16-98     <.0050       <.002        <.0020       <.0100       <.0140
         27              264417081035401      04-27-98      .118        <.002        <.0020       <.0100       <.0140
         28              264501081141901      04-29-98     <.0050       <.002        <.0020       <.0100       <.0140
         29              264508081142901      04-29-98     <.0050       <.002        <.0020       <.0100       <.0140
         30              264520081285501      06-24-98     <.0050       <.002        <.0020       <.0100       <.0140
         31              264607081292901      06-24-98     <.0050       <.002        <.0020       <.0100       <.0140