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ti ft <br /> . TABLE 2 <br /> LABORATORY ANALYSES - GROUNDWATER <br /> Knowles Property - Stockton, CA <br /> Page 5 of 5 <br /> (in parts per billion) <br /> [::DATE WELL ID BENZENE TOLUENE ETHYLBENZENE XYLENES TPHG <br /> 07/27/95 MW1 41 9 6 40 56 1,200 <br /> MW2 <0 5 <05 <05 <05 <60 <br /> MW3 32 49 <0 5 <0 5 930 <br /> MW4 3 1 <05 <0 5 <0 5 87 <br /> MW5 22,000 5,000 1,500 16,000 120,000 <br /> MW6 <0 5 <0 5 <0 5 <0 5 <50 <br /> MWS <0 5 <0 5 <0 6 <O 6 <60 <br /> 11116/95 M W 1 43 7 0 19 22 920 <br /> MW2 <0 5 <05 <05 <O 5 <60 <br /> MW4 <0 5 <05 <0 5 <0 5 <50 <br /> MW7 1 <05 <05 <0 5 <05 <50 <br /> MW8 <0 5 <05 <0 5 <O 5 <60 <br /> 02/07/96 M W 1 5 2 1 0 1 7 64 220 <br /> MW3 <0 5 <0 5 2 6 42 430 <br /> MW4 <05 <05 <05 20 <50 <br /> MW5 16 000 6 800 1,400 7,700 90,000 <br /> MW3 <0 5 <05 <0 5 <O 6 <60 <br /> Primary MCLs 1 0 1,000 680 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 /> i = 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 /> NA = Not Applicable <br /> groundzclknowlcs hamltbl2-4q lab <br />