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10 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//wwwmScam bell com E-mail main@mccampbell com <br /> GEOSOLV, LLC Client Project ID Nunan/7ernigan Date Sampled 06/26/98 <br /> 643 Oregon Street Date Received 06/29/98 <br /> Sonoma,CA 95476 Client Contact Frank Goldman Date Extracted 07/01-07/02/98 <br /> Client P O Date Analyzed 07108-07110198 <br /> Benzene* <br /> EPA methods 5030,modified 8015,and 8020 or 602 California RWQC B(SF Bay Region)method GCFID(5030) <br /> Lab ID Client ID Matrix Benzene %Recovery <br /> Surrogate <br /> 91317 7-B1 ZHETCLP ND 102 <br /> 91320 7-B4 ZHETCLP ND 101 <br /> 91321 7-B5 ZHETCLP 027 102 <br /> 91322 7-B6 ZHETCLP 5 5 103 <br /> i <br /> 91324 7-138 ZHETCLP 460 102 <br /> 91326 7-B10 ZHETCLP 32 105 <br /> 91328 7-1312 ZHETCLP 17 102 <br /> 91333 7-1317 ZHETCLP ND 100 <br /> 91338 7-1322 ZHETCLP ND 100 <br /> I <br /> Reporting Limit unless ZHETCLP 0 5 ug/L <br /> otherwise stated ND means <br /> not detected above the S 0 005 ug/kg <br /> 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&SPLP extracts <br /> in ug/L <br /> "cluttered chromatogram sample peak coelutes with surrogate peals <br /> 'The tollowmg 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 <br /> s,gnificant(aged <br /> gasoline')) c) lighter gasoline range compounds (the most mobile traction) 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(v),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 j)no recognizable pattern <br /> DHS Certification No 1644 '/ Edward Hamilton,Lab Director <br />