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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 />' hiW://www.mccampbell.com E-mail:wain@mccampbell.com <br /> • <br />' Advanced GcoEnvironmental Client Project ID: Franklin Cole Date Sampled:04/28/98 <br />' 4005 North Wilson Way Date Received: 04/29/98 <br /> Stockton,CA 95205 Client Contact: Bill Little Date Extracted: 04/29/98 <br /> Client P.O: Date Analyzed: 04129-04130198 <br /> Gasoline Range(C6-02)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*&BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602;Cali fomia RWQCH(SF Bay Region)method GC17ID(5030) <br /> Lab ID Client ID Matrix TPH(g)' MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 88647 Pre Cat Air 5200,b,j ND 2.2 440 140 710 104 <br /> t88648 Post Cat Air ND ND ND 0.69 ND 1.0 96 <br /> 1 <br />' Reporting Limit unless <br /> Air 50 ugli. 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 /> w 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) 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-4 vol.%sediment;j)no recognizable pattern. <br /> DHS Certification No. 1644 ZZZ Edward Hamilton,Lab Director <br />