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110 Second Avenue South,#D7,Pacheco,CA 94553 <br /> WCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br />' 14 hup//www mecampbell co m E-mail mam@mccampbell com <br />' GEOSOLV, Inc Client Project 1D Nunan Highway Date Sampled 08/12/97 <br /> 643 Oregon Street 88,Lockeford Date Received 08/13/97 <br /> Sonoma, CA 95476 Client Contact Frank Goldman Date Extracted 08/13/97 <br /> Client P O Date Analyzed 08113-08/15197 <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 GC FID(5030) <br />' Lab iD Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethene Xylenes %Recovery <br /> zne Surrogate <br /> 79734 Bl-2 S 92,a ND<0 4 055 26 1 3 6 9 102 <br /> 79735 BI-3 S 860,a ND<7 8 6 7 32 17 82 104 <br /> 79736 BI-4 S 2 3,a ND 049 0 074 0 066 024 100 <br /> 79739 B2-2 S ND ND ND ND ND ND 104 <br /> 79740 132-3 S ND ND ND ND ND ND 102 <br /> 79743 B5-3 S 3 7,a ND 0 17 0 078 0 16 0 56 102 <br /> 79744 135-4 S 3200,bd ND<36 3 2 14 58 220 120" <br /> 79746 133-2 S 22,b,1 ND 0 01 1 0 056 0 17 031 106 <br /> 79748 136-1 S 450,e ND<0 2 ND<0 01 ND<0 01 0 15 1 4 99 <br /> 79749 B6-2 S 91,e ND<0 2 ND-_O 03 0 12 010 0 86 98 <br /> t79751 B64 S ND ND ND 0 009 ND 0 017 98 <br /> 79752 134-1 S ND ND ND ND ND ND 98 <br />' 79754 134-3 S ND ND 0 006 0 006 ND 0 008 98 <br />' 79755 1334 S ND ND 0 005 0 007 ND 0 010 99 <br /> Reporting Limit unless W 50 ug/L 5 0 0 5 0 5 0 5 0 5 <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 /> to ug1L <br /> ' #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> 'The following descriptions of the TPH chromatogram are cuisoiy in natwe 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 traction) ale ssgmticant d) gasoline range compounds having broad <br /> • chromatographic peaks are significant biologically alteied gasoline> e) fPH pattern that does not appear to be derived from gasoline <br /> (Stoddard solvent9), 0 one to a few isolated peaks present g)strongly aged gasoline of diecel range compounds are significant, h) lighter <br /> than water immiscible sheen is present,i)liquid sample that contains gtcatei than-5 vol °/1 sediment j)no recognizable pattern <br /> rr <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />