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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/i) <br /> Well ID Date Wellhead Depth toIG W I Benzene Toluene Ethyl Xylenes TPHg MTBE Fuel Dissoved <br /> Elev Water I Elev I I I Benzene (EPA 8020) Oxygenates Oxygen <br /> MW1 11/06/90 979 1226 -247 <0 5 <0 5 <0 5 <0 5 <50 - <br /> 02119l91 879 1096 -2 17 <05 <0 5 <0 5 <0 5 <50 -- - <br /> 10/11/91 979 1221 -242 <0 5 <05 <0 5 <0 5 <50 — - - <br /> 10/29/91 958 11 88 -230 -- -- -- — -- - - <br /> 03/04/92 958 989 -031 <0 5 <0 5 <0 5 <0 5 <50 <br /> 03/13/92 958 954 004 -- -- -- -- -- <br /> 09/01/92 <br /> -09/01/92 958 1265 -307 <0 5 <0 5 <0 5 <0 5 <50 -- - <br /> 12/03/92 958 11 64 -206 <0 5 <0 5 <0 5 <0 5 <50 -- -- - <br /> 03/24/93 958 626 332 <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 /> 03/30/94 958 787 1 71 -- - -- — -- -- <br /> 06/24/94 958 909 049 -- — — <br /> 09/16/94 9 58 1145 -1 87 <0 50 <0 50 <0 50 <0 50 <50 -12/21/94 958 1028 -070 -- -- -- -- -- - - <br /> 03/30/95 958 496 462 -- — - <br /> 06/30/95 958 611 347 -- - - -- <br /> • 09/29/95 958 934 024 <0 50 <0 50 <0 50 <0 50 <50 — -- <br /> 12/29/95 958 863 095 -- -- -- -- -- - -- - <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 /> 12/17/96 958 904 054 -- -- -- -- -- <br /> 03125/97 958 392 566 -- - - -- <br /> 06/25/97 958 773 1 85 -- — -- -- - - <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 1106 -1 48 <0 500 <0 500 <0 500 <0 500 <50 0 - -- <br /> 12/28/99 958 1021 -063 -- -- -- -- -- <br /> 03121/00 958 726 232 - -- -- - -- - - <br /> 07/13/00 958 917 041 -- - -- -- <br /> 09/27/00 958 10 59 1-1 01 <0 5 1 <0 5 <0 5 0.5''..j <50j__-- I <MDLs - <br /> W 1825825TABLEEXTWIl M(10t28f2000) <br />