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I 10 Second A,,en tic South,#D7,Pacheco,CA 94553 <br /> MCCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br /> http/hkww mccampbell con E-riled main@mccampbeil corn <br /> Sampled 1 I124/97 <br /> Advanced GeoEnvironmental Client Project ID Cherokee Truck Stop Date Sam P <br /> 4005 North Wilson Way Date Received 11/25/97 <br /> Stockton,CA 95205 Client Contact Kevin McKibben Date Extracted 11/25/97 <br /> I <br /> Client P O Date Analyzed 11125-11126197 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline*,vt ith 11Ieth\I tert-Butyl Ether* &BTEX* <br /> EPA methods 5030 modified 8015,and 8020 or 602 California RWQCB(SF Bay Region)method G(.F1D(5030) <br /> Lab ID Client ID Matrix TPH(g)' MTBE Benzene Toluene Etliylbcn Xylenes %Recovery <br /> zene Surrogate <br /> 83349 SP-15 S 1500,gd ND<2 ND<(1 1 054 24 44 98 <br /> 83350 SP-16 S ND ND ND 0006 TSD 0 008 98 <br /> Reporting Limit unless W 50 ug/L. 5 0 05 05 0 5 05 <br /> otheivose stated ND <br /> means not detected above <br /> the reporting limit S 1 0 mg/kg 005 U 0115 (}UUS 0 00-*) 0 005 <br /> *iN ater and vapor samples are reported in ug/L,wipe samples in uglx%ipe soil and stodge saniplcs 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 descnptions of the TPH chromatogram are cursory in nature and McC ampbell Analytical is not responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is significant h) hea\iL1 gasoline range compounds are significant(aged <br /> gasoline') c) lighter gasoline range compounds (the most mobile fraction) arc significant d) gasoline large compounds having broad <br /> chromatographic peals are significant,biologically altered gasoline' e)TPH pattern that docs not appear to be denved from gasoline(") t) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds aie significant h) lighter than water immiscible <br /> sheen is present,i)liquid sample that contains greater than--5 Nol %sediment 3)no recogm7able pattern <br /> DHS Certification No 1644 / Ed�N aid Hamilton,Lab Director <br />