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TABLE 1 <br /> SUMMARY OF GROUNDWATER MONITORING AND ANALYTICAL RESULTS <br /> Gardner Property,Thornton,CA <br /> Page 1 of 7 <br /> • (measured in feet MSL) (Reported in ug/l) <br /> Well ID Date Wellhead Depth to G W Benzene Toluene Ethyl Xylenes TPHg MTBE Fuel Dissoved <br /> Elev Water Elev Benzene (EPA 8020) Oxygenates Oxygen <br /> MW1 11/06/90 979 1226 -247 <0 5 <0 5 <0 5 <0 5 <50 <br /> 02/19/91 879 1096 -217 <0 5 <0 5 <0 5 <0 5 <50 -- - <br /> 10/11/91 979 1221 -242 <0 5 <0 5 <0 5 <0 5 <50 — - <br /> 10/29/91 9 58 11 88 230 -- -- -- -- -- <br /> 03/04/92 9 58 989 -031 <0 5 <0 5 <0 5 <0 5 <50 - <br /> 03/13/92 958 954 004 -- -- -- -- -- <br /> 09/01192 958 1265 -307 <0 5 <0 5 <05 <0 5 <60 - - -- <br /> 12/03/92 958 11 64 -206 <0 5 <0 5 <0 5 <0 5 <50 - - <br /> 03124/93 9 58 626 332 <0 5 <0 5 <0 5 <0 5 <50 - - <br /> 07/23/93 958 804 1 54 <0 50 <0 50 <0 50 <0 50 <50 -- -- <br /> 12/27/93 958 886 072 -- -- -- -- -- <br /> 03130194 958 7 87 1 71 - -- - -- - <br /> 06/24/94 958 909 049 -- -- - - <br /> 09/16/94 9 58 1145 -187 <0 50 <0 50 <0 50 <0 50 <50 <br /> 12/21/94 9 58 1028 -070 -- -- -- -- -- -- — <br /> 03/30/95 958 4 96 462 - -- -- — _ <br /> 06/30/95 958 611 347 -- - - — - _ <br /> . 09/29/95 958 934 024 <0 50 <0 50 <0 50 <0 50 <50 <br /> 12/29/95 958 863 0 95 <br /> 03/29/96 958 433 525 -- — - -- -- -- -- <br /> 06/28/96 958 688 270 - -- - -- -- - - <br /> 09/30/96 958 1010 -052 <0 50 <0 50 <0 50 <0 50 <50 - <br /> 12/17/96 9 58 904 054 -- -- -- -- -- <br /> 03125/97 9 58 392 5 66 - -- -- -- <br /> 06/25/97 958 773 185 - -- - - -- - - <br /> 09/18/97 958 1090 -1 32 <0 5 <0 5 <0 5 <0 5 <50 <MDLs <br /> 12/16/97 958 995 -037 -- -- -- -- -- <br /> 03/20/98 958 338 620 - -- -- - -- <br /> 06/30/98 958 538 420 - -- -- — -_ <br /> 09/29/98 958 1050 -092 <0 50 <0 50 <0 50 <0 50 <50 -- -- 1 000 <br /> 12/23/98 958 941 017 -- -- -- -- -- — -- <br /> 04/05/99 958 768 1 90 -- — -- - <br /> 07/09/99 958 922 036 -- - -- - - -- <br /> 10/07/99 958 11 06 -1 48 <0 500 <0 500 <0 500 <0 500 <50 0 - -- <br /> 12/28/99 958 1021 -063 -- -- -- -- -- <br /> 03/21/00 958 726 2 32 - -- <br /> 07/13/00 958 917 041 -- -- -- <br /> 09/27/00 958 1059 -101 <0 5 <0 5 <0 5 <0 5 <50 <MDLs = <br /> 12/20/00 9 58 1042 -084 <br /> 03/29/01 9 58 943 015 - -- — — - <br /> 06/18/01 958 1060 -1 02 -- — -- _ <br /> 09/24/01 958 11 73 -215 <0 5 <0 5 <0 5 <0 5 <50 <5 0 - <br /> W 18Z50ZTABLEW.hh gr 11717R001 <br />