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I10 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCANTBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> h //www mccam bell com E-mail main@mccampbell corn <br /> IAdvanced GeoEnvironmental Client Project ID Former Canteen Corp Date Sampled 02/28/2002 <br /> I837 Shaw Road Date Received 03/01/2002 <br /> Stockton, CA 95215 Client Contact Greg Date Extracted 03/01/2002 <br /> IClient P O Date Analyzed 03/01/2002 <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 /> Ethyl- %Recovery <br /> Lab ID Client ID Matrix TPH(g)+ tMTBEBenzene Toluene benzene Xylenes Surrogate <br /> 020300 g5 6300 360 1600 --" <br />' 7-001 VW-1 Air 62,000,a <br /> 1 <br /> I <br /> i <br /> 1 <br /> Reporting Linut unless Air 50 ug/L 5 0 05 05 05 05 <br /> otherwise stated,ND <br />' means not detected above S 1 0 mg/kg 005 0 005 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 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(?),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 /> 1 sheen is present,i)liquid sample that contains greater than�5 vol %sedlment,l)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br /> 1 <br />