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110 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax :925-798-1622 <br /> • 24 hUp-.Lw_w-,mczuUJell.coniE-mail:main@mccampbell.com <br /> Advanced GeoEnvironmental Client Project ID: Jimcc,Truck Stop Date Sampled: 09/15/98 <br /> 4005 North Wilson Way Date Received:09116198 <br /> Stockton,CA 95205 Client Contact:Bill Little Date Extracted: 09/16/98 <br /> [Client P.O: Date Analyzed: 09/17/98 <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 GCF1D(5030) <br /> Lab ID Client 1D Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 95105-06 SP4-1-2 S ND --- ND ND ND ND 96 <br /> 95107-08 SP4-3-4 S ND --- ND ND ND ND 96 <br /> 95109-10 SP4-5-6 S ND --- ND ND ND ND 97 <br /> 95111-12 SP4-7-8 S NO --- ND ND ND ND 99 <br /> 95113-14 SP4-9-10 S ND --- ND ND ND ND 96 <br /> 95115-16 SP4-11-12 S I ND --- ND ND ND ND 97 <br /> s <br /> Reporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> otherwise stated;ND means <br /> not detected above the <br /> reporting limit S 1.0 mg/kg 0.05 0.005 0.005 0.005 0.005 <br /> water and vapor samples are reported in ug/L,wipe samples in ughMpe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> R cluttered chromatogram;sample peak coelutes with surrogate peak <br /> -ne 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 inter 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 />