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I 10 2nd Avenue South,#fD7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hap www 1 E-mail main@mccampbell coin <br /> Advanced GeoEnviromnental Client Project ID Grantlme Gas&Food Date Sampled 12/21/99 <br /> 4005 North Wilson Way Date Received 12/22/99 <br /> Stockton, CA 95205 Client Contact Bill Little Date Extracted 12/23-12/28/99 <br /> Client P O Date Analyzed 12/23-12128199 <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 Matnx TPH(g)* MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 28043 MW1 W 89,a 14 22 ND 1 8 29 101 <br /> 28044 MW2 W 56,a ND 069 ND 22 38 95 <br /> 28045 MW3 W ND ND ND ND ND ND 98 <br /> 28046 MW4 W 53,} 12 ND ND ND ND 97 <br /> 28047 MW5 W 160,b ND ND NO ND ND 109 <br />`l 28048 MW6 W ND IT'D ND ND ND ND 99 <br /> 28049 MW7 W ND 73 ND ND ND ND 100 <br /> 28050 MWS W ND ND ND ND ND ND 102 <br /> l <br /> I <br /> I <br /> Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated ND <br /> I 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 /> 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 /> I interpretation a) unmodified or weakly modified gasoline is significant, b) heaNier 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 /> sheen is present,i)liquid sample that contains greater than--5 vol %sediment,3)no recognizable pattem <br /> DHS Certification No 1644 L "} Edward Hamilton, Lab Director <br />