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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> hqp://www.mccami3bell.com E-mail:main@rnccampbell.com <br /> Advanced.GeoEnvironental Client Project ID:Bob's Muffler Shop Date Sampled: 06/11/01 <br /> m <br /> ' 837 Shaw Road Date Received: 06/12/01 <br /> Stockton,CA 95215 Client Contact: Calvin Lee Date Extracted: 06/12-06114101 <br /> Client P.O: Date Analyzed:06/12-06/14/01 <br /> ' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*&BTEX* <br /> FPA methods 5030,modified 8015,and 8020 or 602;California RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab ID Client ID Matrix TPH(g)+-' MTBE Benzene Toluene Ethyl- Xyienes %Recovery <br /> benzene Surrogate <br /> 69557 MW I W 1200,b,j ND ND ND 1.5 0.89 99. <br /> 69558 MW2 W 2100,b,j,i ND 0.94 1.1 29 1.4 108 <br /> ' 69559 MW3 W 2200,b,j,i ND 1.5 4.1 64 ` 6.8 -- 4 <br /> 69560 MW4 W 640,b,i ND, ND ND 9.6 10 ; 112 <br /> 69561 MW5 W 14,000,b,j,i ND<20 ND<3.0 5.6 1100 1300 ..104 <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 /> the reporting limit -S 1.0 mg/kg 0.05 0.005 0.005 0.005, 0.005 <br /> • <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 SPLP 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 gasolinerange 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 appbar to be derived from gasoline(?);f)' <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 /> ' DHS Certification No. 1644 Edward Hamilton,Lab Director <br />