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r! A1)rVE <br /> ANALYTICAL RESULTS OF HISTORICAL GROUND WAI ER SAMPLrS <br /> Chase Chevrolet -_Madison <br /> 423) North A441aclison Strcct, Stockton, California <br /> Sample <br /> Location Sample Depth to TPl-I a5 TPM as t'I'I1 as Ethyl- <br /> (screen) Watcr Gasoline Dicscl Motor Oil MTBE Benzene Toluenexylencs <br /> benzene <br /> 1\iVl%-1 1-10-91 25.78 1,000 --- --- 67 91 23 <br /> (19-46) 2-27-92 27.32 5,800 --- --- --- 110 <br /> 33 220 4 1 180 <br /> 5-28-92 28.23 1,200 --- --- 22 48 1 <br /> --- <br /> 6 73 <br /> 9-16-92 28.25 4,300 <br /> 11-5-92 2 ---8.44 370 --- --- --- 110 330 100 400 2-11-93 28.80 3,100 --- --- --- 8.3 29 12 63230 <br /> --- 41 110 49 <br /> 2-8-94 28.38 1,900 --- --- --- 68 120 49 460 <br /> --- <br /> 5-4-94 27.64 3,900 --- --- 140 230 230 870 <br /> 8-5-94 27.28 2,400 --- --- 90 240 120 680 <br /> 12-20-94 26.86 3,000 --- --- --- 63 80 150 660 <br /> 5-11-95 27.82 560 --- --- 13 37 25 140 <br /> 10-5-95 24.16 280 --- 6.3 18 13 70 <br /> 1-30-96 23.20 490 100 <250 --- 10 30 6.9 120 <br /> 2-8-96 23.45 170 <50 <250 -- 2.1 9.7 3.9 46 <br /> 5-7-96 21.28 2,000 490 180 9.7 25 25 <0.5 570 <br /> 8-7-96 20.80 330 320 <250 <5.0 2.3 8.3 6.7 84 <br /> 11-5-96 21.46 1,300 220 <250 <5.0 16 60 41 390 <br /> 2-4-97 16.33 850 300 <250 <5.0 9.7 25 7.1 230 <br /> 5-6-97 18.72 340 200 <250 <5.0 1.5 0.54 18 18 <br /> 8-5-97 18.52 65 =,50 <250 <5.0 <0.5 <0.5 6.6 4.7 <br /> 11-4-97 19.36 <50 90 <250 <5.0 <0.5 <0.5 <0.5 0.80 <br /> 2-4-98 15.76 450 200 <250 <5.0 4.0 6.0 17 120 <br /> 5-7-98 14.32 <50 66 <250 <5.0 <0.5 <0.5 0.95 0.60 <br /> 8-12-98 14.74 <50 <50 <250 --- <0.5 <0.5 <0.5 <0.5 <br /> 11-3-98 18.52 <50 65 <250 <5.0 <0.5 0.53 <0.5 <0.5 <br /> 2-2-99 15.78 <50 <50 <250 <5.0 <0.5 0.58 1.3 1.6 <br /> 5-5-99 14.95 350 <50 <250 <5.0 19 54 14 65 <br /> 8-11-99 15.33 52 <50 <250 <5.0 0.53 1.9 1.5 6.1 <br /> 1 11-9-99 16.62 <50 <50 <250 1 <5.0 1 <0.5 <0.5 <0.5 <0.5 <br /> Advanced GcoGnvironmcnlal,Inc. <br />