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TABLE 2 <br /> LABORATORY ANALYSES - GROUNDWATER <br /> Knowles Property - Stockton, CA <br /> Page 6 of 6 <br /> (in parts per billion) <br /> GATE WELL ID BENZENE TOLUt=NE ETHYLBENZENE XYLEM:$ TPHG <br /> 12/30/96 MW1 67 27 69 99 2,500 <br /> MW2 <05 <0 5 <05 <O 6 <50 <br /> MW4 <05 <06 <05 <0 6 <60 <br /> MW6 32,000 29,000 4,600 38,000 190,000 <br /> MW8 <05 <0 6 <0 5 <05 <50 <br /> 2121197 MW1 10 24 13 12 270 <br /> MW3 <06 <06 <06 <05 <50 <br /> MW4 <0 <05 <05 <05 <60 <br /> MW6 13,000 6,600 1,200 10,000 97,000 <br /> MW8 <0 5 <05 <05 <05 <50 <br /> Primary MCLS 1 O 100 680 1,760 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 /> i <br /> grouedzcllmowka hamltablc2 doe <br />