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1 <br /> 1)4 X�_ <br /> 110 2nd Avenue South,##D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' hnp//www MrcaMpbellsom E-mail main@mccampbell com <br />' Advanced GeoEnvironrnental Client Project ID Charlie's Day&Nite Date Sampled 10/19/99 <br /> 4005 North Wilson Way Date Received 10/22/99 <br />' Stockton, CA 95205 Client Contact Kevm McKibben Date Extracted 10/22/99 <br />' Client P O Date Analyzed 10/22-10/25/99 <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 ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 23889 MW2-20 S 630,8 --- ND<O 050 ND<0050 36 13 91 <br /> I23890 MW2-25 S ND --- ND ND ND ND 95 <br /> 23891 MW3-20 S 2 7,a --- 0 053 0 049 0 089 055 95 <br /> 23892 MW3-25 S 1],a 024 0 016 036 049 101 <br /> I <br /> I <br /> IReporting Limit unless <br /> otherwise stated,ND W 50 ug/L 5 0 05 05 05 05 <br /> means not detected <br /> above the reporting S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br /> limit <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and al]TCLP and SPLP extracts <br /> I in ug/L <br /> "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> I '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 gasoltne9,e)TPH pattern that does-Lot 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 /> I <br />