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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 /> http://www.mccam-abell.com F,-mail:main@mccampbell.com <br /> • Advanced GeoEnvironmental Client Project ID:Bob's Muffler.Shop Date Sampled: 09/10/01 <br /> r837 Shaw Road Date Received:'09/11/01 <br /> Stockton,CA 95215 Client Contact: Calvin Lee Date-Extracted: 09/1 1-09/12/01 <br /> Client P.O: Date Analyzed: 09/11-09/12/01 <br /> Gasoline Range(C6-C1.2)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 GCF1D(5030) <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl Xylenes %Recovery <br /> • benzene Surrogate , <br /> ' 77620 MWI/ W 410,b,j ND ND 0.77 ND ND 105 <br /> 091001 <br /> 77621 MWI 'W. 1300,bj -ND ND 2.7 ND 1.5 --# <br /> 77622 MW3/ ' W 1700,b,j ND ND, 4.3 7.4 3.5091001 <br /> --# <br /> 77623 MW4/ W 230,b,j ND ND ND ND 0.79 116-1 <br /> 091001 <br /> 77624 MWS/ W 4400,bxj ND 2.4 6.7 310 370 118 <br /> 091001 <br /> r <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 S 1.0 mg/kg 0.05 0.005 0.005 0.005 0.005 <br /> the reporting limit , <br /> r «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 gasoline range compounds (the most mobile fraction) are significant; d) gasoline range compounds having broad <br /> chromatographic peaks are significant;biologically altered gasoline?;e)TPUpattem that does not appear 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 />