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110 Second AvenuetIt,3iD7,Pacheco,CA 94553-5560 <br /> McCAMPBELL*-LYTICAL INC. Telephone:92 -1620 fax :925-798-1622 <br /> / E-mail:main@mccampbell.com <br /> Advanced GeoEnvirontrtental Client Project ID:Bob's Muffler Shop Date Sampled: 02/05/99 <br /> 4005 North Wilson Way Date Received: 02/10/99 <br /> Stockton,CA 95205 Client Contact:Tony Mikacich Date Extracted: 02/10/99 <br /> Client P.O: Date Analyzed: 02/11-02/12/99 <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 Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 03193 B-1-40.25 S ND --- ND ND ND ND 110 <br /> 03194 B-1-25.5 S 2.4,b,j --- ND 0.016 0.017 0.037 110 <br /> 03195 B-1-35.5 S ND --- ND ND ND ND 110 <br /> 03196 B-1 W 16,000,b,h,i --- ND<5 14 1200 1400 105 <br /> 03197 B-2-20.25 S 670,b,j --- ND<0.03 ND<0.03 10 13 101 <br /> 03198 B-2 W I5,000,b,h,i --- ND ND 5SO 480 101 <br /> 03199 B-3-14.5 S ND --- ND ND ND ND 110 <br /> • 03200 B-3-20 S 98,b,j --- ISTD 0.11 0.93 0.96 94 <br /> 03201 B-3 W 4400,b,h,i --- ND 5.5 68 41 99 <br /> 03202 B-4-14.5 S ND --- ND ND ND ND 95 <br /> 03203 B-4-20 S 2SO,b,j --- ND<0.01 0.50 2.8 2.5 93 <br /> 03204 B-4 W 6200,b,h,i --- ND 9.3 370 50 101 <br /> Reporting Limit unless <br /> otherwise stated;ND W SO ug/L 5.0 0.5 0.5 0.5 0.5 <br /> means not detected <br /> above the reporting S 1.0 mg/kg 0.05 0.005 0.005 0.005 0.005 <br /> limit <br /> •water and vapor samples are reported in ug1L,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(?);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."/o sediment;j)no recognizable pattern. <br /> DHS Certification No. 1644 l� EdNvard Hamilton, Lab Director <br />