META/   FURAN,
                                        PARA-   TETRA-  CARBON
                                        XYLENE  HYDRO-  TETRA- 1,2-DI-
                                        WATER   WATER   CHLO-  CHLORO-  ACRO-
                                       UNFLTRD UNFLTRD   RIDE   ETHANE   LEIN
 SITE NUMBER  STATION   NUMBER   DATE    REC   RECOVER  TOTAL   TOTAL   TOTAL
                                        (UG/L)  (UG/L)  (UG/L)  (UG/L)  (UG/L)
                                       (85795) (81607) (32102) (32103) (34210)

      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 <.128   <2.30   <.176   <.268     --
      5        252414080333200 11-17-97 <.128   <2.30   <.176   <.268     --
      5        252414080333200 11-18-97 <.128   <2.30   <.176   <.268     --
      5        252414080333200 11-19-97 <.128   <2.30   <.176   <.268     --
      5        252414080333200 11-20-97 <.128   <2.30   <.176   <.268     --
      6        252421080333201 11-17-97 <.064   <1.15   <.088   <.134     --
      7        252424080333801 11-16-97 <.064    7.08   <.088   <.134     --
      8        252428080312700 11-18-97   --      --      --      --      --
      9        252428080312801 11-14-97 <.256   <4.59   <.352   <.536     --
      10       252505080302501 1-28-98  <.064   <1.15   <.088   <.134    <250
      11       252523080352500 11-17-97   --      --      --      --      --
      12       252557080333700 11-19-97   --      --      --      --      --
      13       252624080302901 1-28-98  <.064   <1.15   <.088   <.134    <250
      14       252651080323001 11-13-97 <.064   <1.15   <.088   <.134     --
      15       252700080333500 11-19-97   --      --      --      --      --
      15       252700080333500 11-20-97 <.128   <2.30   <.176   <.268     --
      16       252716080290601 1-27-98  <.064   <1.15   <.088   <.134    <250
      17       252740080334901 11-16-97 <.064   <1.15   <.088   <.134     --
      18       252742080334301 11-18-97 <.064   <1.15   <.088   <.134     --
      19       252842080290501 1-27-98  <.064   <1.15   <.088   <.134    <250
      20       252845080334500 11-14-97 <.128   <2.30   <.176   <.268     --
      20       252845080334500 11-17-97 <.128   <2.30   <.176   <.268     --
      20       252845080334500 11-18-97 <.128   <2.30   <.176   <.268     --
      20       252845080334500 11-19-97 <.128   <2.30   <.176   <.268     --
      20       252845080334500 11-20-97 <.128   <2.30   <.176   <.268     --
      21       252850080331801 11-17-97 <.064   <1.15   <.088   <.134     --
      22       252851080323300 11-19-97   --      --      --      --      --
      22       252851080323300 11-20-97 <.128   <2.30   <.176   <.268     --
      23       252940080261204 1-29-98  <.064   <1.15   <.088   <.134    <250
      24       252951080251201 1-29-98  <.064   <1.15   <.088   <.134    <250