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TABLE 2 <br /> Laboratory Analysis of Water Samples <br /> Knowles Property - Stockton, CA <br /> Page 4 of 4 <br /> (in ppb) <br /> SAMPLE DATE WELL ID B T E X TPHG <br /> 08/31/93 MW1 120 46 19 3 4= 1,400 <br /> MW2 1 5 1 5 <0 50 <0 50 870 <br /> MW3 DRY WELL <br /> MW4 25 <0 50 <0 50 <0 50 530 <br /> MW5 20,000 12,000 2,000 7,200 140,000 <br /> MW6 <0 50 <0 50 <0 50 <0 50 <50 <br /> MW7 <0 50 <0 50 <0 50 <0 50 <50 <br /> I <br /> MW8 <0 50 <0 50 <0 50 <0 50 <50 <br /> NOTES <br />. ppb = parts per billion = Erglt = micrograms per liter <br /> B = Benzene, Analyzed by EPA Method 8020 <br /> T = Toluene, Analyzed by EPA Method 8020 <br /> E = Ethylbenzene, Analyzed by EPA Method 8020 <br /> X = Xylenes, Analyzed by EPA Method 8020 <br /> TPHG = Total Petroleum Hydrocarbons as Gasoline, Analyzed by EPA Method 8015 <br /> < — Not Detected at or Above Method Detection Limits <br /> = Sample chromatogram does not match gasoline fingerprint <br /> 2 = Sample chromatogram contains an unidentified peak which does not match gasoline fingerprint <br /> When compared to the gasoline standard, chromatogram contains a higher proportion of peaks <br /> that elute before benzene <br /> 90 93TABL.LAB <br />