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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> t <br /> McCAMPBELL ANALYTICAL INC. Telephone: 925-798-1620 Fax:925-798-1622 <br /> http://www.mcgRMpbell.com E-mail:main@mccampbell,com f <br /> Advanced GeoEnviromnental Client Project TD:Pacific Car Wash Date Sampled: 07/24/01 <br /> f <br /> 837 Shaw Road Date Received: 07/27/01 <br /> Stockton, CA 95215 Client Contact:Tim Cuellar Date Extracted: 07/27/01 <br /> Client P.O: Date Analyzed. 07/27/01 } <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602;California RWQCB(SF Bay Region)method GCFID(5030) ! <br /> Lab ID Client 1D Matrix TPH(g)' MTBE Benzene Toluene Ethyl Xylenes %Recovery <br /> benzene Surrogate <br /> 73502 P-13/30-35 W NDJ ND ND ND ND ND 100 <br /> 73503 P-13160-65 W ND ND ND ND ND ND 102 <br /> 73504 P-13185-90 W ND,i ND ND ND ND ND 103 <br /> L <br /> f <br /> LQ <br /> E <br /> 4 <br /> Reporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> otherwise stated;ND <br /> means not detected above <br /> Li the reporting limit S 1.0 mg/kg 0.05 0.005 0.005 0.005 0.005 <br /> " water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SDLP extracts <br /> in ug/L <br /> cluttered chromatogram;sample peak coelutes with surrogate peak <br /> `The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their <br /> interpretation: a) unmodified or weakly modified gasoline is significant; b) heavier gasoline range compounds are significant(aged <br /> gasoline?); c) lighter gasoline range compounds (the most mobile fraction) are significant; d) gasoline range compounds having broad <br /> chromatographic peaks are significant;biologically altered gasoline?;e)TPH pattern that does not appear to be derived from gasoline(?);0 <br /> one to a few isolated peaks present;g)strongly aged gasoline or diesel range compounds are significant;h)lighter than water immiscible <br /> sheen is present;i)liquid sample that contains greater than—5 vol.%sediment;j)no recognizable pattern. <br /> F <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br />