DEETHYL
                                                     ATRA-      ATRA-     DIURON,      BRO-
                                                     ZINE,      ZINE,      WATER,     MACIL,      MALA-
                                                    WATER,     WATER,      FLTRD,     WATER,      THION,
                                                     DISS,      DISS,     GF 0.7U      DISS,       DIS-
   WELL NUMBER      STATION   NUMBER      DATE        REC        REC        REC         REC       SOLVED
                                                    (UG/L)     (UG/L)      (UG/L)     (UG/L)      (UG/L)
                                                     04040      39632      49300       04029      38532

        1           252505080302501      1/28/98    E.0056      0.013      <.0200     <.0350      <.005
        2           252624080302901      1/28/98    E.0143      0.018      <.0200     <.0350      <.005
        3           252716080290601      1/27/98    E.0153      0.022      <.0200     <.0350      <.005
        4           252842080290501      1/27/98    E.0259      0.017      <.0200     <.0350      <.005
        5           252940080261204      1/29/98    E.0207      0.005      <.0200     <.0350      <.005
        6           252951080251201      1/29/98    E.0252      0.007      <.0200     <.0350      <.005
        7           254131080234401      2/11/98    E.0240      0.091      <.0200     <.0350      <.005
        8           254156080214601      2/10/98    E.0085      0.034      E.0200     <.0350      <.005
        9           254201080281701      2/11/98    E.0056      0.027      E.0006     <.0350      <.005
       10           254207080202201      2/10/98    E.0193      0.028      <.0200     <.0350      <.005
       11           254938080170902      2/9/98     E.0051      0.009      <.0200     <.0350      <.005
       12           254958080171601      2/12/98    E.0064      0.019      E.0100     <.0350      <.005
       13           255052080245001      3/18/98    <.0020      0.009      <.0200     <.0350      <.005
       14           260053080144701      2/12/98    <.0020      <.001      <.0200     <.0350      <.005
       15           260223080143301      3/16/98    <.0020      <.001      <.0200     <.0350      <.005
       16           260234080211701      1/26/98    E.0123      0.094      <.0200     <.0350      <.005
       17           260322080162103      3/17/98    E.0021      0.007       0.21      <.0350      <.005
       18           260332080182101      3/17/98    <.0020      0.004       0.04      <.0350      <.005
       19           260539080155101      3/12/98    <.0020      <.001       0.06      <.0350      <.005
       20           260738080162701      3/9/98     E.0051      0.04        0.04      <.0350      <.005
       21           261028080154901      3/12/98    E.0104      0.113       0.13      <.0350      <.005
       22           261158080151301      3/11/98    E.0039      0.03        0.13      <.0350      <.005
       23           261404080100601      3/10/98    <.0020      <.001       0.08      <.0350      <.005
       24           261533080141101      3/11/98    <.0020      <.001       0.22      <.0350      <.005
       25           261830080073101      3/10/98    E.0101      0.033       0.3       <.0350      <.005
       26           262156080063601      1/22/98    E.0037      0.006       0.08      <.0350      <.005
       27           262649080053801      1/21/98    <.0020      0.006       0.11      <.0350      <.005
       28           262858080083901      1/22/98    <.0020      <.001       0.12      <.0350      <.005
       29           263638080040301      1/21/98    <.0020      <.001      <.0200     <.0350      <.005
       30           263656080121901      1/20/98    <.0020      <.001       0.07      <.0350      <.005