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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 /> htip:/hvArw,nnccampbclIcom E-mail: mainCmccampbell.com <br /> Advanced GeoEnvironmental Client Project ID: Geweke Date Sampled: 12/2I/98 <br /> i <br /> 4005 North Wilson Way Date Received: 12/22/98 <br /> Stockton. CA 95205 Client Contact: Kevin McKibben Date Extracted: 12/24/98 <br /> a <br /> Client P.O: i Date Analyzed: 12/27-12/28/98 <br /> I• Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*, with ilethy1 tert-Butyl Ether* & BTEX* � <br /> j EPA methods 5030,modified 8015,and 8020 or 602;California R%VQC'13(SF Bay Region)method GCFID{5030} <br /> Ethylben- %Recovery <br /> Lab 1D Client ID Matrix TPH(g)- MTBE E3enzene Toluene icne Xylenes Sunogate <br /> 00784 MW-6/12-21-98 W ND ND ND ND ND N'D 107 <br /> 00785 MW-7/ W ND ND ND ND ND 0.96 105 <br /> 12-21-98 <br /> 00786 MW-8/ W II00,a ND 13 ND 17o 90 113 <br /> 12-21-98 <br /> 00787 M21-98 <br /> 12-21-9 W 3400,bzj ND<20 7.1 ND<l 130 130 91 <br /> 00788 MW-1 I/ W ND ND ND ND ND ND 98 <br /> 12-21-98 <br /> 00789 MSV-l2/ W ND ND ND ND ND ND 111 <br /> 12-21-98 <br /> 00790 MW198 W 490,b.j ND<10 ND ND 1.S 9.2 --- <br /> I <br /> Reporting Limit unless W 50 ug/L 5.0 (1.5 0.2 0.5 0.5 <br /> other+vise stated;ND <br /> means not detected above <br /> the reporting limit S l.0 mg/kg 0.05 U.i105 0.005 0.005 0.005 <br /> * +ater and vapor samples are reported in ug/L,wipe samples in ueh+•ipc,soil and sludge samples in mg kg.and all TCLP and SPLP extracts <br /> in u¢/L <br /> cluttered chromatogram;sample peak coehrtes with SLITTogate peak <br /> Flte following descriptions of the TPH chromatogram are eu sory in nalwe and McCampbell Analytical is not responsible for their <br /> interpretation: a) unmodified or weakly modified gasoline is significant; b) heavier gasoline range compounds are sigtificant(aged <br /> gasoline'); c) li-titer gasoline range compounds (the most mobile fraction) are significant; d) gasp}ine ranee compounds having broad <br /> chromatographic peaks are significant;biologically altered gasoline?;c)'hPH pattern that dors not appear to be derived from gasoline(7);1) <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.'Y sediment;j)no recognizable pattern. <br /> DHS Certification No. 1644 �i� Edward Hamilton, Lab Director <br />