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I 10 Second Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br /> http//www mccampbell corn E-mail main@mccampbell corn <br /> Jahn P Cummings&Associates Client Project ID #395-016 00 Date Sampled 11/03/97 <br /> P O Box 2847 Date Received 11/07/97 <br /> Fremont, CA 94536-2847 Client Contact John Cutnmutgs Date Extracted 11/08-11/10/97 <br /> Client P O Date Analyzed 11/08-11/10/97 <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 1D Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 82730 MW-1 W 11,000,a --- 840 82 520 1400 104 <br /> 82731 MW-2 W 200,000,a --- 31,00U 49,000 4300 22 96 <br /> 82732 MW-3 W II00,a --- 140 310 25 130 I01 <br /> Reporting Linut unless <br /> otherwise stated,ND W 50 ttglL 5 0 U 5 05 0 5 0 5 <br /> means not detected <br /> above the reporting S 1 0 mg/kg 005 0 005 U005 0 005 0 005 <br /> limit <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples ui mg/kg,and all TCLP and SPLP 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 natutc and Mctampbell Analytical is not responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is significant b) heavier gasoline range compounds are signtficant(aged <br /> gasoline 7) c) lighter gasoline range compounds (the most mobile traction) are significant d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline I e)1 PH pattern that does not appear to be derived from gasoline(1),f) <br /> one to a few isolated peaks present g)strongly aged gasoline or diesel range compounds ate significant h) lighter than water immiscible <br /> sheen is present,i)liquid sample that contains greater than—5 vol %sediment j)no recognizable patient <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />