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. TABLE 2 <br /> LABORATORY ANALYSES - GROUNDWATER <br /> Knowles Property - Stockton, CA <br /> Page 7 of 7 <br /> (in parts per billion) <br /> DATEWELL W BENZENE TOLUENIE E*YLBENZENE XYLENES TPHQ <br /> 2/13/98 MW4 12 43 <06 24 62 <br /> (continued) MW6 8,200 6,800 890 9,300 69,000 <br /> MW8 82 1 0 <06 <05 <50 <br /> Primary MCLS 1 0 100 680 =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 /> = Sample chromatogram does not match gasoline fingerprint <br /> 2 = Sample chromatogram contains an unidentified peak which does not match gasoline fingerprint <br /> 9 = When compered 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 /> • <br /> • <br /> gr widzcUmowI=hamltabk2 doc <br />