TRI-
                                                               ALA-    CLOPYR,
                                                               CHLOR,  WATER,
                                       2,4-D,  2,4,5-T SILVEX, WATER,  FLTRD,
                                       DIS-    DIS-    DIS-    DISS,   GF 0.7U
SITE NUMBER   STATION   NUMBER DATE    SOLVED  SOLVED  SOLVED  REC,    REC
                                       (UG/L)  (UG/L)  (UG/L)  (UG/L)  (UG/L)
                                       (39732) (39742) (39762) (46342) (49235)

      1           02290769     11-21-97   --      --      --    <.002     --
      2        252100080340000 11-20-97   --      --      --      --      --
      3        252144080313800 11-19-97   --      --      --    <.002     --
      4        252213080313100 11-21-97   --      --      --    <.002     --
      5        252414080333200 11-16-97 <.150   <.0350  <.0210  <.002   <.250
      5        252414080333200 11-17-97   --      --      --    <.002     --
      5        252414080333200 11-18-97   --      --      --    <.002     --
      5        252414080333200 11-19-97 <.150   <.0350  <.0210  <.002   <.250
      5        252414080333200 11-20-97   --      --      --    <.002     --
      6        252421080333201 11-17-97   --      --      --    <.002     --
      7        252424080333801 11-16-97   --      --      --    <.002     --
      8        252428080312700 11-18-97   --      --      --    <.002     --
      9        252428080312801 11-14-97   --      --      --    <.002     --
      10       252505080302501 1-28-98  <.150   <.0350  <.0210  <.002   <.250
      11       252523080352500 11-17-97   --      --      --    <.002     --
      12       252557080333700 11-19-97   --      --      --    <.002     --
      13       252624080302901 1-28-98  <.150   <.0350  <.0210  <.002   <.250
      14       252651080323001 11-13-97   --      --      --    <.002     --
      15       252700080333500 11-19-97   --      --      --    <.002     --
      15       252700080333500 11-20-97   --      --      --    <.002     --
      16       252716080290601 1-27-98  <.150   <.0350  <.0210  <.002   <.250
      17       252740080334901 11-16-97   --      --      --    <.002     --
      18       252742080334301 11-18-97   --      --      --    <.002     --
      19       252842080290501 1-27-98  <.150   <.0350  <.0210  <.002   <.250
      20       252845080334500 11-14-97   --      --      --    <.002     --
      20       252845080334500 11-17-97   --      --      --    <.002     --
      20       252845080334500 11-18-97   --      --      --    <.002     --
      20       252845080334500 11-19-97   --      --      --    <.002     --
      20       252845080334500 11-20-97   --      --      --    <.002     --
      21       252850080331801 11-17-97   --      --      --    <.002     --
      22       252851080323300 11-19-97   --      --      --    <.002     --
      22       252851080323300 11-20-97   --      --      --    <.002     --
      23       252940080261204 1-29-98  <.150   <.0350  <.0210  <.002   <.250
      24       252951080251201 1-29-98  <.150   <.0350  <.0210  <.002   <.250