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110 2nd Avenue South,#137, Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' 24 http//www tnccar bell com E-mail main@mccainpbeil cam <br />' Advanced GeoEnvironrnental Client Project ID Sierra Lumber Date Sampled 11/07/01 <br /> 837 Shaw Road <br /> Date Received 11/08/01 <br /> Stockton, CA 95215 Client Contact Tun Cuellar Date Extracted 11/08/01 <br /> Client P O Date Analyzed 11/08/01 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030 modified 8015,and 8020 or 602 Califomia RWQCB(SF Bay Region)method GCF1D(5030) <br /> Lab ID Client M Matrix TPH(g)* MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> benzene Surrogate <br /> 83115 Influent Air 170,a ND ND 3 5 1 6 22 112 <br /> 83116 Effluent Air ND ND ND ND ND I ND 98 <br /> I <br /> I <br /> 1 <br />' Reporting Limit unless Air 50 uglL 5 0 05 05 0 5 0 5 <br /> otherwise stated.ND <br /> means not detected above' S l 0 mg/kg 0 05 0 005 0 005 0 005 0 005 the reporting limit <br /> *water and air samples are reported in ug/L,wine samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SDLP extracts in <br /> 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 /> gasolme7), 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(?),fl <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 />