PER-                 NEB-
                                      METHRIN  MCPB,         URON,
                                        CIS   WATER,   DI-  WATER,
                                      WAT FLT FLTRD, AZINON,FLTRD,
                                       0.7 U  GF 0.7U DIS-  GF 0.7U
SITE NUMBER STATION   NUMBER  DATE    GF, REC   REC  SOLVED   REC
                                       (UG/L) (UG/L) (UG/L) (UG/L)
                                      (82687) (38487)(39572)(49294)

     1          02290769     11-21-97 <.0050   --    <.002   --
     2       252100080340000 11-20-97   --     --     --     --
     3       252144080313800 11-19-97 <.0050   --    <.002   --
     4       252213080313100 11-21-97 <.0050   --    <.002   --
     5       252414080333200 11-16-97 <.0050  <.140  <.002 <.0150
     5       252414080333200 11-17-97 <.0050   --    <.002   --
     5       252414080333200 11-18-97 <.0050   --    <.002   --
     5       252414080333200 11-19-97 <.0050  <.140  <.002 <.0150
     5       252414080333200 11-20-97 <.0050   --    <.002   --
     6       252421080333201 11-17-97 <.0050   --    <.002   --
     7       252424080333801 11-16-97 <.0050   --    <.002   --
     8       252428080312700 11-18-97 <.0050   --    <.002   --
     9       252428080312801 11-14-97 <.0050   --    <.002   --
     10      252505080302501 1-28-98  <.0050  <.140  <.002 <.0150
     11      252523080352500 11-17-97 <.0050   --    <.002   --
     12      252557080333700 11-19-97 <.0050   --    <.002   --
     13      252624080302901 1-28-98  <.0050  <.140  <.002 <.0150
     14      252651080323001 11-13-97 <.0050   --    <.002   --
     15      252700080333500 11-19-97 <.0050   --    <.002   --
     15      252700080333500 11-20-97 <.0050   --    <.002   --
     16      252716080290601 1-27-98  <.0050  <.140  <.002 <.0150
     17      252740080334901 11-16-97 <.0050   --    <.002   --
     18      252742080334301 11-18-97 <.0050   --    <.002   --
     19      252842080290501 1-27-98  <.0050  <.140  <.002 <.0150
     20      252845080334500 11-14-97 <.0050   --    <.002   --
     20      252845080334500 11-17-97 <.0050   --    <.002   --
     20      252845080334500 11-18-97 <.0050   --    <.002   --
     20      252845080334500 11-19-97 <.0050   --    <.002   --
     20      252845080334500 11-20-97 <.0050   --    <.002   --
     21      252850080331801 11-17-97 <.0050   --    <.002   --
     22      252851080323300 11-19-97 <.0050   --    <.002   --
     22      252851080323300 11-20-97 <.0050   --    <.002   --
     23      252940080261204 1-29-98  <.0050  <.140  <.002 <.0150
     24      252951080251201 1-29-98  <.0050  <.140  <.002 <.0150