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110 2nd Avenue South,#ED7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone. 925-798-1620 Fax : 925-798-1622 <br /> 64http://www.mccampbell.corn E-mail: main@mccampbell.com <br /> ' Advanced GeoEnvironmental Client Project ID:Van Bushirk Date Sampled: 07/14/00 <br /> 4005 North Wilson Way Date Received: 07/18/00 <br /> ' Stockton,CA 95205 Client Contact:Bill Little Date Extracted: 07/18-07/2 1100 <br /> Client P.O: Date Analyzed: 07/18-07/21100 <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 /> 43163 MW30/007-14 W ND ND ND ND ND ND 92 <br /> i ' 43164 MW40/007-14- W ND 290 ND ND ND ND 95 <br /> 43165 MW50107-14 <br /> 0W ND ND ND ND ND ND 104 <br /> ' Reporting Limit unless W 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 mglkg,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) fighter 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(?);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 N5 vol.%sediment,j)no recognizable pattern. <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br /> i <br />