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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> i <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> h9p//www mccampbell co m E-mail main@mccampbell com <br /> Advanced GeoEnviromnental Client Project ID Tracy Diner Date Sampled 12/11/00 <br /> 4005 North Wilson Way Date Received 12/12/00 <br /> Stockton,CA 95205 Client Contact Bill Little Date Extracted 12/12-12115100 <br /> Client P O Date Analyzed 12/12-12115100 <br /> Gasoline Range(C6-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 ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 55749 MW 1 W 77,b ND ND ND ND ND 101 <br />' 55750 MW 2 W 11,000,a ND<50 160 130 640 840 111 <br /> 55751 MW 3 W 2900,b0 ND ND 27 30 77 111 <br />' 55752 MW 4 W ND ND ND 064 ND ND 101 <br /> 55753 MW 5 W 1600 ND ND 54 ND ND 88 <br /> I <br /> 1 <br />' Reporting Limit unless W 50 ug/L 50 0 5 05 05 05 <br /> otherwise stated,ND <br />' means not detected above <br /> the reporting limit S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <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 />' m 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 /> 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(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 greater than�5 vol %sediment,j)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />