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Si 'I Jl�x i <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http I/www mccampbell corn E-mail mam@mccampbell com <br /> Advanced GeoEnvironmental Client Project ID Geweke Date Sampled 09/17/01 <br /> 837 Shaw Road Date Received 09/19/0I <br /> Stockton,CA 95215 Client Contact Brian Millman Date Extracted 09/23-09/25/01 <br /> Client P O Date Analyzed 09/23-09/25/01 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* &BTEX* <br /> FPA 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 Ethyl Xylenes %Recovery <br /> benzene Surrogate <br /> 78852 019 701 W ND ND ND ND ND ND 105 <br /> 78853 MW8/ W 10,000,bd ND<10 5 2 5 3 140 590 117 <br /> 091701 <br /> 78854 0917 01 W 1700,bi ND 3 8 61 87 48 --- <br /> 78855 MW 12/ W ND ND ND ND ND ND 105 <br /> 091701 <br /> 78856 OMW 01 W 8300,a ND<20 950 200 220 710 108 <br /> Reporting Limit unless W 50 uglL 5 0 05 0 5 0 5 05 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit $ 10 mg/kg 0 OS 0 005 0 005 0 005 0 005 <br /> *water and vapor samples are reported in uVT_wipe samples in uglvnpe,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 cbromatogram 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 smgnificant(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(h),G <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,f)no recognizable patter <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />