ETHANE,
                                             1,1-DI-  1,1,1-  1,1,2- 1,1,2,2
                                     1,1-DI- CHLORO-   TRI-    TRI-   TETRA-
                                     CHLORO-  ETHYL- CHLORO- CHLORO- CHLORO-
                                      ETHANE   ENE    ETHANE  ETHANE WAT UNF
SITE NUMBER STATION   NUMBER  DATE    TOTAL   TOTAL   TOTAL   TOTAL    REC
                                      (UG/L)  (UG/L)  (UG/L)  (UG/L)  (UG/L)
                                     (34496) (34501) (34506) (34511) (34516)

     1          02290769     11-21-97   --      --      --      --      --
     2       252100080340000 11-20-97   --      --      --      --      --
     3       252144080313800 11-19-97   --      --      --      --      --
     4       252213080313100 11-21-97   --      --      --      --      --
     5       252414080333200 11-16-97 <.132   <.088   <.064   <.128   <.264
     5       252414080333200 11-17-97 <.132   <.088   <.064   <.128   <.264
     5       252414080333200 11-18-97 <.132   <.088   <.064   <.128   <.264
     5       252414080333200 11-19-97 <.132   <.088   <.064   <.128   <.264
     5       252414080333200 11-20-97 <.132   <.088   <.064   <.128   <.264
     6       252421080333201 11-17-97 <.066   <.044   <.032   <.064   <.132
     7       252424080333801 11-16-97 <.066   <.044   <.032   <.064   <.132
     8       252428080312700 11-18-97   --      --      --      --      --
     9       252428080312801 11-14-97 <.264   <.176   <.128   <.256   <.528
     10      252505080302501 1-28-98  <.066   <.044   <.032   <.064   <.132
     11      252523080352500 11-17-97   --      --      --      --      --
     12      252557080333700 11-19-97   --      --      --      --      --
     13      252624080302901 1-28-98  <.066   <.044   <.032   <.064   <.132
     14      252651080323001 11-13-97 <.066   <.044   <.032   <.064   <.132
     15      252700080333500 11-19-97   --      --      --      --      --
     15      252700080333500 11-20-97 <.132   <.088   <.064   <.128   <.264
     16      252716080290601 1-27-98  <.066   <.044   <.032   <.064   <.132
     17      252740080334901 11-16-97 <.066   <.044   <.032   <.064   <.132
     18      252742080334301 11-18-97 <.066   <.044   <.032   <.064   <.132
     19      252842080290501 1-27-98  <.066   <.044   <.032   <.064   <.132
     20      252845080334500 11-14-97 <.132   <.088   <.064   <.128   <.264
     20      252845080334500 11-17-97 <.132   <.088   <.064   <.128   <.264
     20      252845080334500 11-18-97 <.132   <.088   <.064   <.128   <.264
     20      252845080334500 11-19-97 <.132   <.088   <.064   <.128   <.264
     20      252845080334500 11-20-97 <.132   <.088   <.064   <.128   <.264
     21      252850080331801 11-17-97 <.066   <.044   <.032   <.064   <.132
     22      252851080323300 11-19-97   --      --      --      --      --
     22      252851080323300 11-20-97 <.132   <.088   <.064   <.128   <.264
     23      252940080261204 1-29-98  <.066   <.044   <.032   <.064   <.132
     24      252951080251201 1-29-98  <.066   <.044   <.032   <.064   <.132