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y, 110 2nd Avenue South,#137,Pacheco,CA 94553-5560 <br /> ® McCAMPBELL ANALYTICAL INC 'Telephone 925-798-1620 Fax 925-798-1622 <br /> h I/www mccam bell corn E-mail matn@mccampbell com <br /> • Date Sampled 06/07/00 <br /> Advanced GeoEnvironmental Client Protect ID Chase V/B <br /> Date Received 06/08/00 <br /> 4005 North Wilson Way <br /> Stockton,CA 95205 Client Contact Bob Marty Date Extracted 06108-06109100 <br /> Client P O Date Analyzed 06108-06/09100 <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 RW CB SF Ba Ile ion method GCFID(5030 <br /> Ethylben- Xylenes %Recovery <br /> Lab ID Client ID Matrix TPH(g)- MTBE Benzene Toluene zene Surrogate <br /> 39841 Inlet Air 490,bd --- 0 79 68 27 44 108 <br /> 39842 Exhaust Air ND ND ND ND 21 99 <br /> Reporting Limit unless Air 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above S 1 0 mglkg 005 0 005 0 005 0 005 0 005 <br /> the reporting limit <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,sod and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug1L <br /> "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> iThe following descriptions of the TPH chromatogram arc 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 signifcant(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 gasolme9,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, no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />