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' 110 2nd Avenue South,#137,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> ' 4=://www.mccgMbell.com E-mail: main@mccampbell.com <br /> ' Advanced GeoEnvironmental Client Project ID: Bob's Muffler Date Sampled: 10/30-10/31/01 <br /> 837 Shaw Road Date Received: 11/01/01 <br /> ' Stockton,CA 95215 Client Contact: Calvin Lee Date Extracted: 11/01-11/02101 <br /> Client P.O: Date Analyzed: 11/01-11102101 <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 ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> ' benzene Surrogate <br /> 82460 MW-6-35' S ND ND ND ND ND 0.047 114 <br /> 82461 MW-6-10' S ND ND ND ND ND ND 109 <br /> 82462 MW-6-50' S ND ND ND ND ND ND 111 <br /> ' 82463 MW-8-20' S ND ND ND ND ND ND 109 <br /> 82464 MW-8-30' S 15xj ND ND ND 0.018 0.052 110 <br /> ' 82465 MW-8-35' S ND ND ND ND ND ND 112 <br /> 82466 MW-9-20 S 1301 ND<0.1 ND 0.093 0.83 0.70 117 <br /> ' 82467 MW-9-25 S ND ND ND ND 'ND ND 118 <br /> 82468 MW-9-30 S ND ND ND ND ND ND 112 <br /> ' 82469 MW-9-35 S ND ND ND ND ND ND 115 <br /> ' 82470 MW-10-20' S ND ND ND ND ND ND 118 <br /> 82471 MW-10-25 S ND ND ND ND ND ND 107 <br /> 82472 MW-10-35 S ND ND ND ND ND ND 107 <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 m 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 SPLP extracts <br /> in ug/L <br /> s cluttered chromatogram;sample peak coelutes with surrogate peak <br /> `The following descriptions of the TPH cbrormtogmm 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 /> ' DHS Certification No. 1644 Edward Hamilton,Lab Director <br /> 1 <br />