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a <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCA.MPBELL ANALYTICAL INC. Telephone: 925-798-1620 Fax: 925-798-1622 <br /> ' http://www.mccampbell.com E-mail:main@mccampbell.com <br /> • <br /> ' Advanced GeoEnvironmental Client Project ID:Hess Dubois Cleaners Date Sampled: 10/29/01 <br /> 837 Shaw Road Date Received: 10/31/01 <br /> ' Stockton, CA 95215 Client Contact: Bill Little Date Extracted: 11101-11/05101 <br /> ' Client P.O: Date Analyzed: 11101-11/05/01 <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;California RWQCB(SF Bay Region)method GCFID(5030) <br /> ' <br /> Lab ID Client 1D Matrix TPI-1(g) MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> benzene Surrogate <br /> 82310 MWI/ W 102901 ND ND ND ND ND ND 107 <br /> ' 82311 MW2/ W 170,e ND ND ND ND ND 97 <br /> 102901 <br /> 82312 MW3/ W 1700,e ND ND ND 1.0 ND 111 <br /> ' 102901 <br /> 82313 MW4/ W ND ND ND ND ND ND 101 <br /> 102901 <br /> 82314 MWS/ W ND ND ND ND ND ND 104 <br /> 102901 <br /> 82315 02901 W 180,f ND<60 ND ND ND ND # <br /> 82316 MW7/ W ND ND ND ND ND ND 149 <br /> 102401 <br /> 82317 MW8/ W 97,e ND ND ND ND ND 101 <br /> 102901 <br /> ' 82318 MW9/102901 W 4900,e ND ND ND 17 1.4 105 <br /> 82319 MIO W 210,f ND ND ND ND ND ---" <br /> 1 <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 S 1.0 <br /> the reporting limit mg/kg 0.05 0.005 0.005 0.005 0.005 <br /> ' <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 uglL <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 <br /> (stoddard solvent?);fj one to a few isolated peaks present;g)strongly aged gasoline or diesel range compounds are significant;h)lighter <br /> than water immiscible 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 />