PENDI-     NAPROP-      PRO-     METHYL
                                                    DCPA      METH-      AMIDE     PARGITE     AZIN-
                                                   WATER      ALIN       WATER      WATER      PHOS
                                                   FLTRD     WAT FLT     FLTRD      FLTRD     WAT FLT
                                                   0.7 U      0.7 U      0.7 U      0.7 U      0.7 U
   WELL NUMBER     STATION   NUMBER      DATE     GF, REC    GF, REC    GF, REC    GF, REC    GF, REC
                                                   (UG/L)    (UG/L)      (UG/L)     (UG/L)    (UG/L)
                                                   82682      82683      82684      82685      82686

        1           252505080302501     1/28/98    <.0020    <.0040      <.0030     <.0130    <.0010
        2           252624080302901     1/28/98    <.0020    <.0040      <.0030     <.0130    <.0010
        3           252716080290601     1/27/98    <.0020    <.0040      <.0030     <.0130    <.0010
        4           252842080290501     1/27/98    <.0020    <.0040      <.0030     <.0130    <.0010
        5           252940080261204     1/29/98    <.0020    <.0040      <.0030     <.0130    <.0010
        6           252951080251201     1/29/98    <.0020    <.0040      <.0030     <.0130    <.0010
        7           254131080234401     2/11/98    <.0020    <.0040      <.0030     <.0130    <.0010
        8           254156080214601     2/10/98    <.0020    <.0040      <.0030     <.0130    <.0010
        9           254201080281701     2/11/98    <.0020    <.0040      <.0030     <.0130    <.0010
       10           254207080202201     2/10/98    <.0020    <.0040      <.0030     <.0130    <.0010
       11           254938080170902     2/9/98     <.0020    <.0040      <.0030     <.0130    <.0010
       12           254958080171601     2/12/98    <.0020    <.0040      <.0030     <.0130    <.0010
       13           255052080245001     3/18/98    <.0020    <.0040      <.0030     <.0130    <.0010
       14           260053080144701     2/12/98    <.0020    <.0040      <.0030     <.0130    <.0010
       15           260223080143301     3/16/98    <.0020    <.0040      <.0030     <.0130    <.0010
       16           260234080211701     1/26/98    <.0020    <.0040      <.0030     <.0130    <.0010
       17           260322080162103     3/17/98    <.0020    <.0040      <.0030     <.0130    <.0010
       18           260332080182101     3/17/98    <.0020    <.0040      <.0030     <.0130    <.0010
       19           260539080155101     3/12/98    <.0020    <.0040      <.0030     <.0130    <.0010
       20           260738080162701     3/9/98     <.0020    <.0040      <.0030     <.0130    <.0010
       21           261028080154901     3/12/98    <.0020    <.0040      <.0030     <.0130    <.0010
       22           261158080151301     3/11/98    <.0020    <.0040      <.0030     <.0130    <.0010
       23           261404080100601     3/10/98    <.0020    <.0040      <.0030     <.0130    <.0010
       24           261533080141101     3/11/98    <.0020    <.0040      <.0030     <.0130    <.0010
       25           261830080073101     3/10/98    <.0020    <.0040      <.0030     <.0130    <.0010
       26           262156080063601     1/22/98    <.0020    <.0040      <.0030     <.0130    <.0010
       27           262649080053801     1/21/98    <.0020    <.0040      0.0085     <.0130    <.0010
       28           262858080083901     1/22/98    <.0020    <.0040      <.0030     <.0130    <.0010
       29           263638080040301     1/21/98    <.0020    <.0040      <.0030     <.0130    <.0010
       30           263656080121901     1/20/98    <.0020    <.0040      0.0349     <.0130    <.0010