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r ' <br /> `✓ 110 Second Avenue Sdvw,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> httn://www.mccamph l.com E-mail:main@mccampbell.com <br /> Advanced GeoEnvironmental Client Project ID:American Transfer Date Sampled: 09/21/98 <br /> 4005 North Wilson Way Company Date Received: 09/22/98 <br /> Stockton,CA 95205 Client Contact:Gary Dickenson Date Extracted: 09/22/98 <br /> [Client P.O: Date Analyzed: 09/22-09/23/98 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*&BTEX* <br /> `r EPA methods 5030,modified 8015,and 8020 or 602;California RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab ID Client ID Matrix TPH(g)` MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> �-+ 95521 B-1-20' S --- — ND ND ND ND 102 <br /> 95522 B-1-30' S --- -- ND ND ND ND III <br /> 95523 B-2-20' S -- --- ND ND ND ND 111 <br /> 95524 B-2-30' S --- -- ND ND ND ND 114 <br /> 95525 B-3-20' S — --- ND ND ND ND 113 <br /> 95526 13-3-30' S --- --- ND ND ND ND 117 <br /> V <br /> 95527 B-4-20' S --- -- ND ND ND ND 106 <br /> 95528 B-4-30' S -- --- ND ND ND ND 113 <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 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 be derived from gasoline(?);f) <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.%sediment;j)no recognizable pattern. <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br />