METHYL   PROPENE  METHYL          
                                          FREON-   TERT-     3-      ISO-           
                                           113     BUTYL   CHLORO-  BUTYL    ACETONE
                                          WATER    ETHER    WATER   KETONE    WATER 
                                         UNFLTRD  WAT UNF  UNFLTRD  WAT.WH.   WHOLE 
WELL NUMBER   STATION   NUMBER   DATE      REC      REC    RECOVER   TOTAL    TOTAL 
                                         (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L) 
                                         (77652)  (78032)  (78109)  (78133)  (81552)
             
     1       260056080144501   03-12-97   <.100    <.200    <.200   <10.0    <10.0  
     2       260111080171201   11-25-96   <.050    <.100    <.100    <5.00    <5.00 
     3       260113080173601   12-18-96   <.200    <.400    <.400   <20.0    <20.0  
     4       260113080173602   12-18-96   <.200    <.400    <.400   <20.0    <20.0  
     5       260202080230702   03-12-97   <.200    <.400    <.400   <20.0    <20.0  
     6       260243080181401   11-19-96   <.050    <.100    <.100     E.100    1.60 
     7       260305080184201   11-18-96   <.050    <.100    <.100    <5.00    <5.00 
     8       260654080153401   11-26-96   <.050    <.100    <.100    <5.00    <5.00 
     9       260708080223501   02-11-97   <.100    <.200    <.200   <10.0     E1.00 
    10       260709080222301   02-12-97   <.200    <.400    <.400   <20.0    <20.0  
    11       260710080212101   03-10-97   <.200    <.400    <.400   <20.0    <20.0  
    12       260712080151001   12-11-96   <.100    <.200    <.200   <10.0    <10.0  
    13       260739080162501   11-26-96   <.050    <.100    <.100    <5.00    <5.00 
    14       260742080145401   12-12-96   <.100    <.200    <.200   <10.0    <10.0  
    15       260755080191701   02-13-97   <.200    <.400    <.400   <20.0    <20.0  
    16       260822080163001   11-19-96   <.050    <.100    <.100    <5.00     E.800
    17       260825080144402   03-11-97   <.100    <.200    <.200   <10.0    <10.0  
    18       261019080154301   04-01-97   <.100    <.200    <.200   <10.0    <10.0  
    19       261032080154701   04-01-97   <.100    <.200    <.200   <10.0    <10.0  
    20       261153080151601   12-17-96   <.200    <.400    <.400   <20.0    <20.0  
    21       261157080152001   12-17-96   <.200    <.400    <.400   <20.0    <20.0  
    22       261246080161701   11-21-96   <.050    <.100    <.100    <5.00    <5.00 
    23       261304080170801   11-20-96   <.050    <.100    <.100    <5.00    <5.00 
    24       261416080141601   12-11-96   <.200    <.400    <.400   <20.0    <20.0  
    25       261416080154001   11-21-96   <.050    E.010    <.100    <5.00    <5.00 
    26       261525080165101   12-10-96   <.100    <.200    <.200   <10.0    <10.0  
    27       261538080141601   12-16-96   <.100    <.200    <.200   <10.0    <10.0  
    28       261554080164601   11-20-96   <.050    <.100    <.100    <5.00    <5.00 
    29       261554080164602   11-20-96   <.050    <.100    <.100    <5.00    <5.00 
    30       261558080153101   03-31-97   <.100    <.200    <.200   <10.0    <10.0  
    31       261653080144601   03-13-97   <.050    <.100    <.100    <5.00    <5.00 
    32       261714080130101   12-10-96   <.200    <.400    <.400   <20.0    <20.0