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I 10 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL .ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> htt //www c be I co E-mail main@mccampbell com <br /> GEOSOLV, LLC Client Project ID Nunan/3ernigan <br /> Date Sampled 06/26/98 <br /> 643 Oregon Street Date Received 06/29/98 <br /> Sonoma, CA 95476 Client Contact Frank Goldman Date Extracted 07102-07109/98 <br /> Client P O Date Analyzed 07/02-07/09/98 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasohne*,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 /> Ethylben- %Recovery <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene zene Xylenes Surrogate <br /> 91317 7-BI S 3 7,b,j --- 0 029 0 024 0 0 1 7 0 049 96 <br /> 91320 7-B4 S 2 7,a --- 0 019 0 025 0 053 0 14 HIO2:::] <br /> 91321 7-B5 S 22,a --- 0 12 0 17 021 0 68 98 <br /> 91322 7-B6 S 94,a --- 0 066 034 1 1 3 7 105 <br /> 91324 7-118 S 3,300,a --- 13 190 89 400 140 <br /> 91326 7-B10 S 55,a --- 0 14 081 045 2 0 96 <br /> 91328 7-B12 S ND --- 0 11 0 094 0 007 0 041 100 <br /> 91333 7-B l7 S ND --- 0 01 1 0 017 ND 0 014 96 <br /> 91338 7-B22 S ND --- ND 0 01 1 ND 0 012 97 <br /> Reporting Limit unless W 50 ug/L 50 0 5 0 5 05 05 <br /> otherwise stated,ND <br /> means not detected above S 1 0 mg/kg 0 05 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 /> 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(9),0 <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 pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />