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I - <br /> 110 2nd Avenue South,9137,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> 44 http l/www rnccampbell com E-mail main@mccampbell com <br /> IAdvanced GeoEnvironmental Client Project ID Flag City Date Sampled 11/17/00 <br /> 4005 North Wilson Way Date Received 11/18/00 <br /> Stockton, CA 95205 Client Contact Tim Cuellar Date Extracted 11/20-11/21/00 <br /> IClient P O Date Analyzed 11/20-11121/00 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* & BTEX* i <br /> EFA methods 5030 modified 8015 and 8020 or 602,Catiforma RW CB SF Bay Region)method GCFID 5030 <br /> Lah ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 53835 Effluent W ND --- ND ND ND ND 107 <br /> 53836 Influent W ND --- ND ND ND ND 96 <br /> I <br /> 0 <br /> I <br /> Reporting Limit unless W 50 ug/L 50 0 5 0 5 0 5 <br /> 05 <br /> otherwise stated,ND <br />' means not detected above S 1 0 mg/kg 005 000 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,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br />' <br /> in 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 signi8cant(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)TP"pattern that does not appear to be derived from gasoline(9),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 Oatcr than—5 vol %sediment, no recognizable pattern <br /> DHS Certification No 1644 /, /Edward Hamilton,Lab Director <br />