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I 10 Second A%enue South,##D7, Pacheco,CA 94553 <br /> l <br /> McCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br /> ie F44 hitp/h�wx% mccampbell coni E-mail main a mccampbell coni <br />' Advanced GeoEnvironmental Client Project lD Stewaits Beacon Date Sampled 07/02/97 <br />' 1803 West March Lane, Ste A Date Reeen ed 07/03/97 <br /> Stockton, CA 95207 Client Contact Bill Little/KeN to 'McKibben Date Extracted 07/07-07/08197 <br />' [Client P 0 Date Analyzed 07/07-07/08197 <br /> Gasoline Range(C6-C12)Volatile H3drocarbons as Gasohne*, %-*ith MethA tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,Cahlornia RNVQC B(SF Ba% Region)method GC I-ID(5030) <br /> Lab 1D Client ID Matrix TPH(g)' MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br />' 78299 M W 1/7-2-97 W 1200,b,d ND 2 7 09-) 16 74 102 <br /> 78300 MW2/7-2-97 W ND 29 ND ND ND ND 97 <br /> 78301 MW3/7-2-97 W ND \D ND ND ND ND 104 <br /> 78302 MW4/7-2-97 W ND \D ND ND \D ND 104 <br /> I <br /> fi <br /> I <br /> I <br /> RLportrug Ltsmt unless W 50 ug/L 5 0 05 0 5 05 05 <br /> otherwise stated,ND means <br /> not detected abos e the <br /> reporting limit S 1 0 mg/kg 0 0� 0 005 0 005 0 005 0 005 <br /> •water and vapor samples are reported in ug/L,wipe samples In u,hN IPL Soll and nudge,,imples in nw/kg and all TCLP and SPLs'eXuacts <br /> nt ug/L <br /> "cluttered chromatogram sample peak coclutes%%ith surrogate pLak <br /> 'The iollawmg descr:prions of the TPH chromatogram are cunoiy n nstus.. and 11cCampbeli AnalytrLal is not responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is sigmiiLant h) heasrei gasoline tante compounds are signifrcant(aged <br /> g2s(311110) c) lighter gasoline range compounds (the most mobile traction) are gieniliLant d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline' e)TPI1 pattens that does not appear to be derived fiom gasoline(1) 1) <br /> one to a tew isolated peaks present,g)strongly aged gasoline or diesel iange Lonipounds ase significant h) lighter than water immiscible <br /> sheen is present,i)liquid sample that contains greater than--5 S of 1 sediment 1)no rcLognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />