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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 /> E-mail main@mccampbell com <br />' <br /> Date Sampled 03/25/99 <br /> Advanced GeoEnvtronmental Client Project ID Grantline Gas&Food <br /> Date Received 03/31/99 <br /> 4005 North Wilson Way <br />' Stockton,CA 95205 CIient Contact Bill Little Date Extracted 03/31-04/04199 <br /> Client P O Date Analyzed 03/31-04104199 <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 GCF1D(5030) <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> MW <br />' zene Surrogate <br /> 08248 99-25 W 95,a 160 20 ND 35 27 103 <br /> t08249 MW2/93-25- W 76,a ND 085 ND 1 8 49 101 <br /> 08250 MW99-25 W ND ND ND ND ND ND 103 <br />' 08251 MW99-25 W 220,g,h 100 23 ND ND ND 101 <br /> 08252 MWg9-Z5- W 61,g,h 53 ND ND ND ND 104 <br /> 08253 MW99-25 W ND ND ND ND ND ND 104 <br /> 08254 MW99-25 W ND 37 ND ND ND ND 101 <br /> 10 08255 MW99-25 W ND ND ND ND ND ND 103 <br />' Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above S 10 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 /> in ug/L <br />' N 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) hgliter 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 l_ Edward Hamilton,Lab Director <br />