PROP-     BUTYL-      PRO-      CYANA-
                                                CHLOR,     ATE,      METON,     ZINE,     FONOFOS
                                                WATER,    WATER,     WATER,     WATER,     WATER
                                                DISS,      DISS,      DISS,     DISS,       DISS
   WELL NUMBER     STATION   NUMBER    DATE      REC        REC        REC       REC        REC
                                                (UG/L)    (UG/L)     (UG/L)     (UG/L)     (UG/L)
                                                04024      04028      04037     04041      04095

        1          252505080302501    1/28/98   <.0070    <.0020     <.0180     <.0040     <.0030
        2          252624080302901    1/28/98   <.0070    <.0020     <.0180     <.0040     <.0030
        3          252716080290601    1/27/98   <.0070    <.0020     <.0180     <.0040     <.0030
        4          252842080290501    1/27/98   <.0070    <.0020     <.0180     <.0040     <.0030
        5          252940080261204    1/29/98   <.0070    <.0020     E.0076     <.0040     <.0030
        6          252951080251201    1/29/98   <.0070    <.0020     0.0313     <.0040     <.0030
        7          254131080234401    2/11/98   <.0070    <.0020     E.0037     <.0040     <.0030
        8          254156080214601    2/10/98   <.0070    <.0020     E.0045     <.0040     <.0030
        9          254201080281701    2/11/98   <.0070    <.0020     <.0180     <.0040     <.0030
       10          254207080202201    2/10/98   <.0070    <.0020     E.0048     <.0040     <.0030
       11          254938080170902    2/9/98    <.0070    <.0020     E.0045     <.0040     <.0030
       12          254958080171601    2/12/98   <.0070    <.0020     <.0180     <.0040     <.0030
       13          255052080245001    3/18/98   <.0070    <.0020     <.0180     <.0040     <.0030
       14          260053080144701    2/12/98   <.0070    <.0020     E.0041     <.0040     <.0030
       15          260223080143301    3/16/98   <.0070    <.0020     E.0083     <.0040     <.0030
       16          260234080211701    1/26/98   <.0070    <.0020     <.0180     <.0040     <.0030
       17          260322080162103    3/17/98   <.0070    <.0020     <.0180     <.0040     <.0030
       18          260332080182101    3/17/98   <.0070    <.0020     <.0180     <.0040     <.0030
       19          260539080155101    3/12/98   <.0070    <.0020     <.0180     <.0040     <.0030
       20          260738080162701    3/9/98    <.0070     0.045     <.0180     <.0040     <.0030
       21          261028080154901    3/12/98   <.0070    <.0020     <.0180     <.0040     <.0030
       22          261158080151301    3/11/98   <.0070    <.0020     <.0180     <.0040     <.0030
       23          261404080100601    3/10/98   <.0070    <.0020     <.0180     <.0040     <.0030
       24          261533080141101    3/11/98   <.0070    <.0020     E.0047     <.0040     <.0030
       25          261830080073101    3/10/98   <.0070    <.0020     <.0180     <.0040     <.0030
       26          262156080063601    1/22/98   <.0070    <.0020     E.0072     <.0040     <.0030
       27          262649080053801    1/21/98   <.0070    <.0020     E.0082     <.0040     <.0030
       28          262858080083901    1/22/98   <.0070    <.0020     E.0045     <.0040     <.0030
       29          263638080040301    1/21/98   <.0070    <.0020     E.0096     <.0040     <.0030
       30          263656080121901    1/20/98   <.0070    E.0037     E.0047     <.0040     <.0030