METH-     METHYL-    METHAC-      DIBROMO
                                                 BROMO-      ETHER      ACRYLO-     ETHYL-     RYLATE      CHLORO-
                                                BENZENE      ETHYL-     NITRITE     KETONE     METHYL      PROPANE
                                                 WATER,      WATER       WATER      WATER      WATER        WATER
                                                 WHOLE,     UNFLTRD     UNFLTRD     WHOLE     UNFLTRD       WHOLE
  WELL NUMBER     STATION   NUMBER     DATE      TOTAL      RECOVER     RECOVER     TOTAL     RECOVER      TOT.REC
                                                 (UG/L)      (UG/L)      (UG/L)     (UG/L)     (UG/L)      (UG/L)
                                                 81555       81576       81593      81595      81597        82625

       1           252505080302501    1/28/98    <.036       <.170       <.570      <1.65      <.350        <.214
       2           252624080302901    1/28/98    <.036       <.170       <.570      <1.65      <.350        <.214
       3           252716080290601    1/27/98    <.036       <.170       <.570      <1.65      <.350        <.214
       4           252842080290501    1/27/98    <.036       <.170       <.570      <1.65      <.350        <.214
       5           252940080261204    1/29/98    <.036       <.170       <.570      <1.65      <.350        <.214
       6           252951080251201    1/29/98    <.036       <.170       <.570      <1.65      <.350        <.214
       7           254131080234401    2/11/98    <.036       <.170       <.570      <1.65      <.350        <.214
       8           254156080214601    2/10/98    <.144       <.680       <2.28      <6.60      <1.40        <.856
       9           254201080281701    2/11/98    <.144       <.680       <2.28      <6.60      <1.40        <.856
       10          254207080202201    2/10/98    <.036       <.170       <.570      <1.65      <.350        <.214
       11          254938080170902    2/9/98     <.144       <.680       <2.28      <6.60      <1.40        <.856
       12          254958080171601    2/12/98    <.144       <.680       <2.28      <6.60      <1.40        <.856
       13          255052080245001    3/18/98    <.144       <.680       <2.28      <6.60      <1.40        <.856
       14          260053080144701    2/12/98    <.144       <.680       <2.28      <6.60      <1.40        <.856
       15          260223080143301    3/16/98    <.144       <.680       <2.28      <6.60      <1.40        <.856
       16          260234080211701    1/26/98    <.036       <.170       <.570      <1.65      <.350        <.214
       17          260322080162103    3/17/98    <.144       <.680       <2.28      <6.60      <1.40        <.856
       18          260332080182101    3/17/98    <.144       <.680       <2.28      <6.60      <1.40        <.856
       19          260539080155101    3/12/98    <.144       <.680       <2.28      <6.60      <1.40        <.856
       20          260738080162701    3/9/98     <.144       <.680       <2.28      <6.60      <1.40        <.856
       21          261028080154901    3/12/98    <.144       <.680       <2.28      <6.60      <1.40        <.856
       22          261158080151301    3/11/98    <.144       <.680       <2.28      <6.60      <1.40        <.856
       23          261404080100601    3/10/98    <.144       <.680       <2.28      <6.60      <1.40        <.856
       24          261533080141101    3/11/98    <.144       <.680       <2.28      <6.60      <1.40        <.856
       25          261830080073101    3/10/98    <.144       <.680       <2.28      <6.60      <1.40        <.856
       26          262156080063601    1/22/98    <.036       <.170       <.570      <1.65      <.350        <.214
       27          262649080053801    1/21/98    <.036       <.170       <.570      <1.65      <.350        <.214
       28          262858080083901    1/22/98    <.036       <.170       <.570      <1.65      <.350        <.214
       29          263638080040301    1/21/98    <.036       E.044       <.570      <1.65      <.350        <.214
       30          263656080121901    1/20/98    <.036       <.170       <.570      <1.65      <.350        <.214