PER-                           NEB-
                                                METHRIN    MCPB,               URON,
                                                  CIS      WATER,     DI-      WATER,
                                                WAT FLT    FLTRD,   AZINON,    FLTRD,
                                                 0.7 U    GF 0.7U     DIS-    GF 0.7U
   WELL NUMBER     STATION   NUMBER    DATE     GF, REC     REC      SOLVED     REC
                                                (UG/L)     (UG/L)    (UG/L)    (UG/L)
                                                 82687     38487     39572     49294

        1          252505080302501    1/28/98   <.0050     <.140     <.002     <.0150
        2          252624080302901    1/28/98   <.0050     <.140     <.002     <.0150
        3          252716080290601    1/27/98   <.0050     <.140     <.002     <.0150
        4          252842080290501    1/27/98   <.0050     <.140     <.002     <.0150
        5          252940080261204    1/29/98   <.0050     <.140     <.002     <.0150
        6          252951080251201    1/29/98   <.0050     <.140     <.002     <.0150
        7          254131080234401    2/11/98   <.0050     <.140     <.002     <.0150
        8          254156080214601    2/10/98   <.0050     <.140     <.002     <.0150
        9          254201080281701    2/11/98   <.0050     <.140     <.002     <.0150
       10          254207080202201    2/10/98   <.0050     <.140     <.002     <.0150
       11          254938080170902    2/9/98    <.0050     <.140     <.002     <.0150
       12          254958080171601    2/12/98   <.0050     <.140     <.002     <.0150
       13          255052080245001    3/18/98   <.0050     <.140     <.002     <.0150
       14          260053080144701    2/12/98   <.0050     <.140     <.002     <.0150
       15          260223080143301    3/16/98   <.0050     <.140     <.002     <.0150
       16          260234080211701    1/26/98   <.0050     <.140     <.002     <.0150
       17          260322080162103    3/17/98   <.0050     <.140     <.002     <.0150
       18          260332080182101    3/17/98   <.0050     <.140     <.002     <.0150
       19          260539080155101    3/12/98   <.0050     <.140     <.002     <.0150
       20          260738080162701    3/9/98    <.0050     <.140     <.002     <.0150
       21          261028080154901    3/12/98   <.0050     <.140     <.002     <.0150
       22          261158080151301    3/11/98   <.0050     <.140     <.002     <.0150
       23          261404080100601    3/10/98   <.0050     <.140     <.002     <.0150
       24          261533080141101    3/11/98   <.0050     <.140     <.002     <.0150
       25          261830080073101    3/10/98   <.0050     <.140     <.002     <.0150
       26          262156080063601    1/22/98   <.0050     <.140     <.002     <.0150
       27          262649080053801    1/21/98   <.0050     <.140     <.002     <.0150
       28          262858080083901    1/22/98   <.0050     <.140     <.002     <.0150
       29          263638080040301    1/21/98   <.0050     <.140     <.002     <.0150
       30          263656080121901    1/20/98   <.0050     <.140     <.002     <.0150