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1 10 2nd Avenue South,AD7 Pacheco CA 94553-5560 <br /> 4 McCAtUIPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hti i/www mccamnbcll com E-mail maim ri,mccampbell coni <br /> Advanced GeoEnvironmental Client Project JD Guardino& Crawtord Date Sampled 11/15/00 <br /> 4005 North Wilson Way Date Received 11/21/00 <br /> Stockton, CA 95205 Client Contact Bill Little Date Extracted 11/22/00 <br /> Client P 0 i Date Analyzed 11/22/00 <br /> Gasoline Range{C6-C12}Volatile Hydrocarbons as Gasoline*,with Methyl Cert-Butv1 Ether* &BTEX* <br /> EPA methods 5030 modified 8015 and 8020 of 602 California RWQCB(5F Say Region)method GCF1D(5030) <br /> ' Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Eih en en Xylenes %Recovery <br /> zone Sul rogate <br /> 53994 MW1 / W 120,00O,a - - 18,000 24,000 2500 13000 302 <br /> 111500 <br /> ' 53995 MW2/ W 540,a --- 81 5 0 28 96 101 <br /> 111500 <br /> 53996 MW3/ W 120,a --- IS 28 2 6 14 103 <br /> ' <br /> 111500 <br /> 53997 MW41 W ND ND ND ND ND 102 <br /> 111500 <br /> 53998 M W5/ W ND -- 2 0 4 4 092 43 103 <br /> ' 111500 <br /> 53999 MW6/ W ND 2 2 3 7 ND 25 104 <br /> 111500 <br /> 1 <br /> iReporting Limit unless W 50 ug/L 5 0 0 5 05 0 5 0 5 <br /> otherwise stated ND <br /> means not detected above <br /> ' the ieportmg limit S 1 0 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> *watei and vapor samples are i eported in uglL,wipe samples in ug/wipe soil and sludge samples in mg/kg and all TC LP and SPLP extiacts <br /> in ug/L <br /> ' "cluttered c.hinmatogiam,sample peak coelutes with surrogate peak <br /> 'The following descriptions of the TPH chromatogram are cursory to nature and McCampbell Analytical is not responsible for their <br /> ' interpretation a) unmodified or weakly modified gasoline is significant b) heaviei gasoline range compounds ate sigmficant(aged <br /> gasoline 1) c) iightel gasoline range compounds (the most mobile traction) are significant d) gasoline range eompounds having broad <br /> chromaiogiaphic peaks ai a significant,biologically altered gasoline's e)TPH patterli that does not appear to be derived from gasoline(9) t) <br /> one to a tew isolated peaks present g)strongly aged gasoline or diesel iange compounds are significant h)lightei than water immiscible <br /> sheen is piescnt i)liquid sample that contains greatei than—5 vol %sediment j)no i ecognizable pattein <br /> J_At_ <br /> DHS Certification No 1644 Edwaid Hamilton, Lab Driector <br /> 1 <br />