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TABLE 1 <br /> SUMMARY OF GROUNDWATER MONITORING AND ANALYTICAL RESULTS <br /> Gardner Property,Thornton,CA <br /> Page 3 of 7 <br /> . (measured in feet MSL) (Reported[n ug/1} <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 /> MW3 11/06/90 1009 1258 -2 49 18 11 63 98 4 500 <br /> 02/19/91 1009 1131 -1 22 270 15 60 110 4 400 -10/11/91 1009 1253 -2 44 14 21 30 83 7 400 -- <br /> 10/29/91 987 1219 -2 32 -- -- -- __ _- _ <br /> 03/04/92 9 87 1020 -0 33 31 17 68 52 17 000 -- - <br /> 03/13/92 987 986 0 01 -- -- -- __ -- <br /> 09/01/92 <br /> _09101/92 987 1302 -3 15 27 11 39 10 4 100 <br /> 12/03/92 987 1196 -2 09 130 14 26 45 6 000 <br /> 03/24/93 9 87 658 329 230 25 45 68 13 000 <br /> 07/23/93 987 838 1 49 69 <0 50 29 17 2000 - <br /> 12/27/93 9 87 921 0 66 31 29 330 460 9 300 -- <br /> 03/30/94 987 821 166 -- -- -- -- __ <br /> 06/24/94 987 944 043 <0 50 <0 50 290 190 8 400 - -- - <br /> 09/16/94 9 87 11 77 -1 90 <0 50 11 370 230 8 300 -- <br /> 12/21/94 987 1060 -073 12 <0 50 14 17 3 400 - <br /> 03/30/95 9 87 519 468 83 60 880 400 5 800 — <br /> 06/30/95 9 87 635 352 81 1 9 <0 50 15 610 <br /> 09/29/95 987 952 035 22 1 4 22 19 1 900 <br /> 12/29/95 987 883 104 36 <0 50 <0 50 2 9 480 <br /> 03/29/96 9 87 4 55 532 15 2 7 21 5 5 940 -- <br /> 06/28/96 987 7 09 278 <0 5 <0 5 <0 5 <0 5 <50 <br /> 09/30/96 9 87 1028 -041 1 0 <0 5 <0 5 <0 5 190 -- <br /> 12l17/96 9 87 924 063 4 8 06 <0 5 1 7 300 <br /> 03/25/97 9 87 413 574 5 2 <0 5 <0 5 1 9 140 - -- <br /> 06/25/97 9 87 794 1 93 <0 5 <0 5 <0 5 2 0 670 -- <br /> 09/18/97 987 11 10 -123 2 0 <0 5 <0 5 <0 5 220 - <MDLs <br /> 12/16/97 9 87 1014 -027 0 7 <05 <0 5 <0 5 160 -- <br /> 03l20/98 987 358 629 <0 5 <0 5 <05 <0 5 150 - <br /> 06/30/98 987 560 427 1 2 <0 50 <0 50 063 85 -- -- <br /> 09129/98 9 87 1069 -082 1 1 067 <0 50 21 170 -- — <1 000 <br /> 12/23/98 987 962 025 1 0 056 <0 50 086 140 <2 5 -- <br /> 04/05/99 9 87 7 88 1 99 <0 5 <0 5 <0 5 <0 5 110 <5 0 <br /> 07/09/99 987 944 043 <0 5 <0 5 <0 5 <0 5 <50 <2 5 - <br /> 10/07/99 9 87 11 25 -1 38 <0 500 <0 500 <0 500 <0 500 <50 0 -- <br /> 12/28/99 987 1042 -055 <0 500 <0 500 <0 500 <0 500 <50 0 -- <br /> 03/21/00 9 87 780 207 <0 500 <0 500 <0 500 <0 500 <50 0 <2 50 - <br /> 07/13/00 9 87 9 39 048 <0 500 <0 500 <0 500 <0 500 <50 -- <br /> 09127101) 0117 101111 -0 93 <0 5 <0 5 <0 5 <0 5 <50 -- <MDLs — <br /> 12/20/00 9 87 1062 -075 <0 5 <0 5 <0 5 <0 5 <50 <5 0 <br /> 03/29/01 987 9 64 023 <0 5 <0 5 <0 5 <0 5 <50 <5 0 <br /> L] <br /> 06/18/01 9 87 1082 -0 95 <0 5 <0 5 <0 5 <0 5 <50 <5 0 -- <br /> 09/24/01 9 87 11 94 -207 <0 5 <0 5 <0 5 <0 5 <50 <5 0 <br /> W W2582UABLE51Tebl.ge[1117=01[ <br />