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TABLE 3 <br /> ANALYTICAL RESULTS OF HISTORICAL GROUND WATER SAMPLES <br /> ' 61 <br /> EPA METHODS 8015M, 8020 <br /> Former Chase Chevrolet (Van Buren) Facilitv <br /> 424 North Van Buren Street, Stockton, California <br /> Sample Sample Depth to TPH as Ethyl- <br /> Location MTBE Benzene Toluene Xylene <br /> (Screen) Date Water Gasoline - benzene <br /> MW-7 1-10-91 26.81 3,000 --- 280 270 50 470 <br /> (20-45) 2-27-92 28.08 21,000 --- 730 450 360 880 <br /> 5-28-92 27.78 53,000 --- 2,000 860 1.200 2.400 <br /> 9-16-92 28.23 11,000 --- 560 650 230 960 <br /> 11-5-92 28.54 8,400 --- 580 580 240 840 <br /> 2-11-93 28.22 19,000 --- 850 600 400 970 <br /> 2-8-94 27.41 11,000 --- 1,700 640 890 1.800 <br /> 5-4-94 27.41 13,000 --- 1,300 1,100 670 2,500 <br /> 8-5-94 27.09 2,700 --- 330 190 170 530 <br /> 12-20-94 27.66 13.000 - - 1,200 900 600 2,400 <br /> 5-11-95 24.36 23,000 --- 1,000 1.200 960 4.400 <br /> 10-5-95 23.29 20,000 --- 370 370 790 3,200 <br /> 2-9-96 22.95 27,000 --- 910 800 1.100 5,400 <br /> 5-8-96 21.01 15.000 20 250 97 660 2,700 <br /> 8-8-96 20.S4 24,000 <40 640 140 1.000 3.800 <br /> 11-6-96 2 1.3 1 14,000 <10 290 87 510 1,900 <br /> 2-5-97 16.25 6.700 <13 85 11 230 540 <br /> 5-7-97 18.42 4,500 <5.0 130 25 190 450 <br /> 8-6-97 18.61 1.800 6.3 95 9.0 140 140 <br /> 11-5-97 19.36 2,300 <5 84 8.8 140 240 <br /> 2-5-95 16.36 5,100 <12 56 3.8 230 170 <br /> 5-5-98 14.08 1,500 <5.0 59 10 92 190 <br /> 8-13-95 14.6S 2,400 <10 70 16 110 290 <br /> 11-4-98 16.4.1 4,000 <10 160 56 270 650 <br /> 2-4-99 15.83 1.400 <5.0 42 2.9 110 130 <br /> 5-5-99 14.99 1,900 <10 40 7.0 9.8 180 <br /> 5-10-99 15.54 2.500 <10 83 6.3 160 33 <br /> 11-10-99 16.43 1,100 <5.0 7.5 1.4 7.6 100 <br /> 0 <br /> Advanced GcoEnvironmental, Inc. <br />