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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//wwwmcLqMpbellcom E-mail main@mccampbell corn <br />' <br /> Advanced GeoEnviroiimental Client Project ID Former Canteen Corp Date Sampled 02/25/02 <br /> 837 Shaw Road Date Received 02/28/02 <br /> Stockton, CA 95215 Client Contact Greg Sengelmann Date Extracted 02/28/02 <br /> [Chent P O Date Analyzed 02/28-03/04/02 <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 Say Region)method GCFI17)(5030) <br /> Lab ID Client ID Matrix TPH(g)* MTBE Benzene Toluene Ethyl Xylenes %Recovery <br /> benzene Surrogate <br /> 020218I VEI-20 S 6900,b ND<10 ND<O 5 12 25 490 104 <br /> -001 <br /> 0202181 VEI-35 S 1100,b NDS 0 1 063 53 21 120 117 <br /> -002 <br /> I• <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 0 05 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 /> in ug/L <br /> "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> 'The following descriptions of the TPM chromatogram are cursory in nature and McCampbell Analytical is not responsible for their <br /> I interpretation a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds are signihcant(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,l)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />