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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> ' http//www tnccampbell com E-mail main@mccampbell com <br /> • <br /> ' Advanced GeoEnvironmental Client Project ID Chase Madison Date Sampled 05/24/01 <br /> 837 Shaw Road Date Received 05/30/01 <br /> ' Stockton,CA 95215 Client Contact Paul Dotson Date Extracted 06/01-06103/01 <br /> Client P O Date Analyzed 06/01-06103101 <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 /> ' Lab + Ethyl- %Recovery <br /> ID Client ID Matrix TPH(g) MTBE Benzene Toluene Xylenes <br /> benzene Surrogate <br /> 68589 EW1/Pump W 6800,b -- t0 46 350 880 102 <br /> Test Sample 1 <br /> ' 68590 EWI/Pump W 6600,b --- 11 48 350 900 102 <br /> Test Sample 2 <br /> r \ <br /> 1 • <br /> 1 <br /> ' Reporting Limit unless W 50 ug/L 50 05 05 0 5 05 <br /> otherwise stated,ND <br /> means not detected above' S 1 0 mglkg 0 05 0 005 0 005 0 005 0 005 the reporting limit <br /> water and vapor samples are reported in ug/L,wipe samples in uglwipe,soil and sludge samples in mg/kg,and all TCLP and SDLP extracts <br /> in uglL <br /> ' cluttered chromatogram,sample peak coelutes with surrogate peak <br /> 'The foilowing 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 /> ' gasolinel), c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasolmc9,e)TPH pattern that does not appear to be derived from gasoline(v),0 <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,l)no recognizable pattern <br /> 1 DHS Certification No 1644 Edward Hamilton,Lab Director <br /> 1 <br />