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y 0 TABLE 1 j <br /> i <br /> SUMMARY OF GROUNDWATER MONITORING AND ANALYTICAL RESULTS <br /> Gardner Property,Thornton,CA <br /> Page 3 of 7 <br /> (measured in feet MSL} (Reported in ug/1) <br /> Well 1D Date ellhea Depth tol G W Benzene Toluene Ethyl Xylenes I TPHg I MTBE Fuel D[ssoved <br /> Elev Water Elev I I Benzene (EPA 8020)lOxygenates Oxygen <br /> MW3 11/06/90 1009 1258 -249 18 11 63 98 4,500 -- -- -- <br /> 02/19/91 1009 1131 -122 270 15 60 110 4,400 -- -- -- <br /> 10/11/91 1009 1253 -2 44 14 21 3 0 83 7,400 — -- -- <br /> 10129191 9 87 12 19 -2 32 -- -- -- -- -- — -- -- <br /> 03/04/92 987 1020 -0 33 31 17 68 52 17,000 -- — -- <br /> 03/13/92 9 87 9 86 0 01 -- -- -- -- -- <br /> 09/01/92 <br /> -09101/92 9 87 1302 -315 27 11 39 10 4,100 — -- <br /> 12/03/92 9 87 1196 -2 09 130 14 26 45 6,000 -- -- -- <br /> 03/24/93 987 6 58 329 230 25 45 68 13,000 — — -- <br /> 07/23/93 9 87 8 38 149 69 <0 50 29 17 2,000 -- — -- <br /> 12/27/93 987 921 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 1177 -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 3 52 8 1 1 9 <0 50 15 610 -- — — <br /> 09/29/95 987 952 0 35 22 1 4 22 19 1,900 -- -- -- <br /> 12/29/95 987 883 1 04 3 6 <0 50 <0 50 2 9 480 <br /> 03/29/96 9 87 455 5 32 15 2 7 2 1 5 5 940 -- -- — <br /> 06/28/96 9 87 709 278 <0 5 <0 5 <0 5 <0 5 <50 -- -- -- <br /> 09/30/96 967 1028 -0 41 1 0 <0 5 <0 5 <0 5 190 -- -- -- <br /> 12/17/96 987 924 0 63 4 8 0 6 <0 5 1 7 300 -- — -- <br /> 03/25/97 987 4 13 574 5 2 <0 5 <0 5 1 9 140 -- — -- <br /> 06/25/97 987 7 94 1 93 <0 5 <0 5 <0 5 2 0 670 -- — -- <br /> 09/18/97 987 11 10 -1 23 2 0 <0 5 <0 5 <0 5 220 -- <MDLs -- <br /> 12/16/97 9 87 1014 -0 27 0 7 <0 5 <0 5 <0 5 160 -- -- -- <br /> 03/20/98 987 358 629 <0 5 <0 5 <0 5 <0 5 150 -- -- -- <br /> 06/30/98 987 560 4 27 1 2 <0 50 <0 50 063 85 -- -- -- <br /> 09/29/98 9 87 1069 -0 82 1 1 067 <0 50 2 1 170 -- -- <1,000 <br /> 12/23/98 987 962 025 1 0 056 <0 50 086 140 <2 5 -- -- <br /> 04/05/99 987 788 1 99 <0 5 <0 5 <0 5 <0 5 110 <50 -- -- <br /> 07/09/99 987 944 043 <0 5 <0 5 <0 5 <0 5 <50 <2 5 -- - <br /> 10/07/99 9 87 1125 1 -1 38 1 <0 500 1 <0 500 <0 500 <0 500 1 <50 0 1 — -- -- <br /> W e25821TA8LEGNTabfe9w[t V3011999[ <br />