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r <br /> 110 2nd Avenue South,#tD7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone; 925-798-1620 Fax: 925-798-1622 <br /> http://www.mccampbcll_com E-mail:main@mccampbell.com <br /> Advanced GeoEnviromnental Client Project ID:Strong Prop. Date Sampled: 01/11/02 <br /> 837 Shaw Road Date Received: 01/15/02 <br /> Stockton, CA 95215 Client Contact:Brian Millman Date Extracted: 01/16-01/17/02 <br /> LCient P.0: LLDatc Analyzed: 01/16-01/17102 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5034,modified 8015,and 8020 or 602;California RWQCB(SF Bay Region)method GCMD(5030) <br /> Lab 117 Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> benzene Surrogate <br /> 88232 W7#lh ND ISD ND 1:2 1-3 96 <br /> 11-02 <br /> 88233911­1z0/01- W 4 ;b ND ND oil 0.;2 40 95 <br /> 11-02 <br /> i <br /> Reporting Limit unless fly 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 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 ug/wipe,soil and sludge samples 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 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 he derived from gasoline(?);0 <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.1%sediment;j)no recognizable pattern. <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br />