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6-30-1998 d:d2PM FROM ADVANCED GEOENVIRONM 209 d67 1118 P. 2 <br /> 1 10 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1020 Fax :925-798-1622 <br /> • http:l/www.my mipbtl$.rorn L-mail:rnain@nwcvmpbcli.com <br /> Advanced GeoEnvironmental Client Project ID:Church Property Date Sampled:05/07/98 <br /> 4005 North Wilson Way Date Received:05/08/98 <br /> Stockton,CA 95205 Client Contact.Bill Little Date Extracted.05108/98 <br /> Client P.O; Date Analyzed:05108-05111198 <br /> Gasoline Rauge(C&C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-butyl tither*&BT1EX* <br /> EPA nrrthods 5030,modified 8015,and 6020 or 602;California R Wl2C:B(SF Bay Regiem)method GCT-1U(5030) <br /> (.ab ID Client 1D Matrix TFH(g)` MTBG Balz=c Tvluone Ethylben- Xylctrts % acovery <br /> zcrar Surrogate <br /> $8973 BI 3-61 S 330,b,j,i - ND*0.02 3.8 4.9 12 108 <br /> 88974 814.5' S ND -- NO ND ND ND 96 <br /> 99975 814-10' S ND -- ND ND NO ND 99 <br /> 88976 B15-6' S ND N17 NO NO ND 98 <br /> KR977 B15 H2O W Nt) --- ND NI) ND ND 82 <br /> Repurting Lirnit unless W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> Otherwise Mated;NA <br /> rncans not detected above <br /> the reporting limit S 1.0 nw/kg 0.05 0.005 0.005 0.(K)5 0.005 <br /> water and vapor samples are reported in ug/L,wipe samples in ug/wipc,%oil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> itt uglL <br /> 'chtttemd cbronwogram:samplc peak caduteb With sur mple peak <br /> 'The following descriptions of(fie TPH chrcmawgrarn we cursory in nature and McCenTbell Analytical ib nut rabpunsiblc fur their <br /> intv-rpretation� s) unmodit`6cd or weakly nvdifted gasoline iS slgoir,"at: b) hesvmr gzmA nc range corrgmunds areugniticant(aged <br /> g"uhrtc?);c) lighter paoline range compounds (the most mobile fracti�Nn)are signitieant;d) gasnline range cornpounds having bro <br /> chrorra6togtaphic peaks are signiTicarrt;biologically altered unuline'';e)TPH patient that dm--not apPr:ar ro be derived from gasoline(?); <br /> one to s Yew ieolated peaks present:g)strongly aged gasoline or diesel range corrillounds,are signifeumL h)lighter than water irnmiscible <br /> sheen*s prt.crrt;i}liquid sample clot currWins greater than—5 rol.'Yy ardimenC j)rat,rccn)tni'ahlc ser._� <br /> l� -_/ <br /> T3HS Certification No. 1644 .r�i' Edward Hamilton.i.ab Director <br />