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1 <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC. Telephone: 925-798-1620 Fax :925-798-1622 <br /> 64 }gyp://www.mccampbe]I_com E-mail: main@mccampbell.com <br /> • <br />' Advanced GeoEnviironmental Client Project ID: Shockey Date Sampled: 06/25/99 <br /> 4005 North Wilson Way Date Received: 06/29/99 <br /> Stockton, CA 95205 Client Contact:Bill Little Date Extracted: 07101-07106199 <br /> Client P.O: Date Analyzed: 07101-07106199 <br />' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602;California RWQCB(SF Bay Region)method GCFID(5030) <br />' Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> b- <br /> 14585 - W1/25-99 W 180,a ND 2.0 11 2.7 14 94 <br /> 14586 5 5-99 <br /> W ND ND ND 1.8 ND 1.9 105 <br /> 14587 MW3/b-25-99 W ND ND 0.63 3.1 0.65 3.5 103 <br />' <br /> 14588 MW4/ W 280,g,b ND 2.1 0.64 ND 0.96 104 <br /> 6-25-99 <br /> 1 Reporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> otherwise stated;ND <br /> ' means not detected above <br /> the reporting limit S 1.0 mg/kg 0.05 0.005 0.005 0.005 0.005 <br /> water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mglkg,and all TC LP and SPLP extracts <br /> in ug/L <br /> �cluttered chromatogram;sample peak COO utes with surrogate peak <br /> 'The following 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 sigrificant(aged <br /> gasoline?); c) lighter gasoline range compounds (the most mobile fraction) 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(?);Q <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 />