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   
SITE 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          02290769     11-21-97   --      --      --      --      --     --     
     2       252100080340000 11-20-97   --      --      --      --      --     --     
     3       252144080313800 11-19-97   --      --      --      --      --     --     
     4       252213080313100 11-21-97   --      --      --      --      --     --     
     5       252414080333200 11-16-97 <.072   <.340   <1.14   <3.30   <.700   <.428   
     5       252414080333200 11-17-97 <.072   <.340   <1.14   <3.30   <.700   <.428   
     5       252414080333200 11-18-97 <.072   <.340   <1.14   <3.30   <.700   <.428   
     5       252414080333200 11-19-97 <.072   <.340   <1.14   <3.30   <.700   <.428   
     5       252414080333200 11-20-97 <.072   <.340   <1.14   <3.30   <.700   <.428   
     6       252421080333201 11-17-97 <.036   <.170   <.570   <1.65   <.350   <.214   
     7       252424080333801 11-16-97 <.036   <.170   <.570   <1.65   <.350   <.214   
     8       252428080312700 11-18-97   --      --      --      --      --     --     
     9       252428080312801 11-14-97 <.144   <.680   <2.28   <6.60   <1.40   <.856   
     10      252505080302501 1-28-98  <.036   <.170   <.570   <1.65   <.350   <.214   
     11      252523080352500 11-17-97   --      --      --      --      --     --     
     12      252557080333700 11-19-97   --      --      --      --      --     --     
     13      252624080302901 1-28-98  <.036   <.170   <.570   <1.65   <.350   <.214   
     14      252651080323001 11-13-97 <.036   <.170   <.570   <1.65   <.350   <.214   
     15      252700080333500 11-19-97   --      --      --      --      --     --     
     15      252700080333500 11-20-97 <.072   <.340   <1.14   <3.30   <.700   <.428   
     16      252716080290601 1-27-98  <.036   <.170   <.570   <1.65   <.350   <.214   
     17      252740080334901 11-16-97 <.036   <.170   <.570   <1.65   <.350   <.214   
     18      252742080334301 11-18-97 <.036   <.170   <.570   <1.65   <.350   <.214   
     19      252842080290501 1-27-98  <.036   <.170   <.570   <1.65   <.350   <.214   
     20      252845080334500 11-14-97 <.072   <.340   <1.14   <3.30   <.700   <.428   
     20      252845080334500 11-17-97 <.072   <.340   <1.14   <3.30   <.700   <.428   
     20      252845080334500 11-18-97 <.072   <.340   <1.14   <3.30   <.700   <.428   
     20      252845080334500 11-19-97 <.072   <.340   <1.14   <3.30   <.700   <.428   
     20      252845080334500 11-20-97 <.072   <.340   <1.14   <3.30   <.700   <.428   
     21      252850080331801 11-17-97 <.036   <.170   <.570   <1.65   <.350   <.214   
     22      252851080323300 11-19-97   --      --      --      --      --     --     
     22      252851080323300 11-20-97 <.072   <.340   <1.14   <3.30   <.700   <.428   
     23      252940080261204 1-29-98  <.036   <.170   <.570   <1.65   <.350   <.214   
     24      252951080251201 1-29-98  <.036   <.170   <.570   <1.65   <.350   <.214