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TABLE 3 <br /> • LABORATORY ANALYSES - GROUNDWATER <br /> Knowles Property - Stockton, CA <br /> Page S of 8 <br /> (in parts per billion) <br /> =DATEWELL ID BENZENE TOLUENE ETHYLBENZENE XYLENES TPHG <br /> 08/16/02 MW11 12 05 49 25 760 <br /> MW2 24 <05 <05 <10 <50 <br /> MW3 <05 <05 <05 <10 <50 <br /> MW4 <05 <05 <05 <10 <50 <br /> MW5 3,400 750 370 2,800 31,000 <br /> 11/12/02 MW1 08 CO 5 7 0 3 2 250 <br /> MW4 <05 <05 <05 <10 <50 <br /> MW5 5,600 6,000 2,000 11,000 99,000 <br /> Primary MCLS 1 0 150 780 1,750 NA <br /> NOTES <br /> TPHG = Total Petroleum Hydrocarbons as Gasoline, Analyzed by EPA Method 8015, Benzene, Toluene, <br /> Ethylbenzene, Xylenes analyzed by EPA Method 8020 <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 /> 3 When compared to the gasoline standard, chromatogram contains a higher proportion of peaks that <br /> elute before benzene <br /> MCLs = Maximum Contaminant Levels <br /> NA = Not Applicable <br /> groundzelknowles hamlgwlab doe <br />