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110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax:510-798-1622 <br /> Geological Audit Services Client Project ID:Geweke Date Sampled: 12/27/93 <br /> 1803 West March Lane,Ste.A Date Received:11/28/93 <br /> Stockton,CA 95207 Client Contact:Bob Marty Date Extracted: 12/29-12130/93 <br /> Client P.O: Date Analyzed: 12/29-12/30/93 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with BTEX* <br /> EPA methods 5030,modified 8015 and 8020 or 602;Catifomia RW CB SF Ba Re 'on method GCFID 5030 <br /> Lab ID Client ID Matrix TPH(g)` Benzene Toluene Ethylben- Xylenes %Rec. <br /> zene Surrogate <br /> 33658 EW-I W 810,a 37 0.79 4.7 19 112# <br /> 33659 MW-6 W ND ND ND ND ND 102 <br /> 33660 MW-7 W 210,c ND ND 1.0 1.1 113# <br /> 33661 MW-10 W 450,c 0.64 ND ND ND 119# <br /> 33662 MW-11 W 75,c 7.1 ND ND ND 97 <br /> 33663 MW-12 W ND ND ND ND ND 98 <br /> 33664 MW-13 W ND ND ND ND ND 96 <br /> 33665 MW-14 W 870,a 35 92 1.8 68 110 <br /> Detection Limit unless other- W 50 ug/L 0.5 0.5 0.5 0.5 <br /> wise stated;ND means Not <br /> Detected S 1.0 mg/kg 0.005 0.005 0.005 0.005 <br /> *water samples are reported in ug/L,soil samples in mg/lrg,and all TCLP extracts in mg/L <br /> #cluttered chromatogram;sample peak co-elutes with surrogate peak <br /> ' The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not <br /> re onsible for their irate retatton:a unmodified or we modified saline is siccant;b heavier gasoline <br /> range compounds are stgnificant(ager�gasoline7);c)li tgasoline range compoun3s(the most mobile Haction) <br /> are srgnlficant d)pasohne range compounds are srcanf;no recogmzable pattern e) TPH pattern that does <br /> not appeaz to be derived from gasoline ((?) fl one o a few Isolated ppeaks present;gj strongly aged gasoline or <br /> diesel range compounds aze significant;fi)lighter than water immiscible phase is present. <br /> DHS Certification No. 1644 � / Edward Hamilton,Lab Director <br />