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TABLE 2 <br /> SUMMARY OF LABORATORY ANALYSIS OF GROUNDWATER SAMPLES <br /> Chase Chevrolet <br /> Stockton, Calfortua <br /> Page 2 of 2 <br /> All results to ppb (µg1f) <br /> DATE SAMPLE TPHG BENZENE TOLUENE ETHYL- XYLENES <br /> 0 BENZENE <br /> 11/05/92 MW-1 370 8 3 29 12 63 <br /> MW-2 250 <0 5 13 07 24 <br /> MW-3 FREE PRODUCT IN WELL, 1 54 FT THICKNESS <br /> MW-4 180 40 10 1 0 10 <br /> MW-5 <50 <0 5 <0 5 <0 5 <05 <br /> MW-6 5,300 240 250 97 560 <br /> MW-7 1 8,400 580 580 240 840 <br /> 02/11/93 MW-1 3100 41 110 49 230 <br /> MW-2 210 <0 5 1 3 1 1 19 <br /> MW-3 FREE PRODUCT IN WELL, 0 85 FT THICKNESS <br /> MW-4 690 57 1 9 28 14 <br /> MW-5 <SO <0 5 <05 <0 5 <0 5 <br /> • MW-6 6,500 260 56 59 290 <br /> MW-7 19,000 850 600 400 970 <br /> 02/08/94 MW-1 1,900 68 120 130 460 <br /> MW-2 56 <0 5 <05 <0 5 <0 5 <br /> MW-3 FREE PRODUCT IN WELL, 1 80 FT THICKNESS <br /> MW-4 250 37 <0 5 54 27 <br /> MW-5 <50 <0 5 <05 <0 5 <0 5 <br /> MW-6 2,800 180 110 130 480 <br /> MW-7 11,000 1,700 640 890 1,800 <br /> Notes <br /> ppb = parts per billion = pg/1 = micrograms per liter <br /> TPHG = Total Petroleum Hydrocarbons as Gasoline analyzed by modified EPA method 8015 <br /> Benzene, Toluene, Ethylbenzene, and Xylenes analyzed by EPA method 8020 <br /> < = Non detectable at or above method detection limit <br /> 1500701TAB LES%TAB LES <br />