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' 110 2nd Avenue South,#ED7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone: 925-798-1620 Fax:925-798-1622 <br /> http://www,mc5l ell.com E-mail:main@mccampbeil.com <br /> • Advanced GeoEnvironmental Client Project ID: Bob's Muffler Shop Date Sampled: 03/16/01 <br /> ' 837 Shaw Road- Date Received: 03/20/01 *. <br /> Stockton, CA 95215 Client Contact: Calvin Lee Date Extracted: 03/23/01 <br /> ' Client P:O: Date Analyzed: 03/23/01 <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 /> Ethylben- %Recovery <br /> Lab ID Client ID Matrix TPH(g)` MTBE Benzene Toluene zene Xylenes Surrogate <br /> 63396 MW1/ W 890,b --- ND 0.68 ND ND 93 <br /> ' 031601 <br /> 63397031601 W 1900,b,j --- 0.70 2.5 11 1.3 --# <br /> ' 63398 Oh3 601 W 2000;b,j --- 1.2 2.4 29 3.0 --" <br /> 63399 " MW4/ W 560,b ---. ND ND 2.5 3.8 108 <br /> 031601 <br /> ' 63400 MW5/031601 W 11,000,b -- ND<l 5.6 900, 1000 99 <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 5 1.0 mg/kg 0.05 0.045 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 /> a 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 pattem that does not appear to be derived from gasoline <br /> ' one to a few isolated peaks present;g)strongly aged gasoline or diesel range compounds are significant;h)lighter than water imrtiscibli; <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 />