CIS-1,2                           
                                        ACETATE   -DI-    2-HEXA-             O-   
                                         VINYL   CHLORO-   NONE             XYLENE 
                                         WATER   ETHENE    WATER             WATER 
                                        UNFLTRD   WATER    WHOLE   STYRENE   WHOLE 
WELL NUMBER  STATION NUMBER     DATE    RECOVER   TOTAL    TOTAL    TOTAL    TOTAL 
                                        (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L) 
                                        (77057)  (77093)  (77103)  (77128)  (77135)
            
     1      260728080205002   11-14-96   <5.00    <.050    <5.00    <.050    <.050 
     2      260938080190101   02-10-97  <10.0     <.100   <10.0     <.100    <.100 
     3      261541080112701   12-12-96  <20.0     <.200   <20.0     <.200    <.200