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110 2nd Avenue South,#137,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone: 925-798-1620 Fax:925-798-1622 <br /> http://www.mEAmpbcll.com E-mail:main@mccampbell.com <br /> I Advanced GeoEnvironmentaI Client Project ID: SpingoIo Trucking <br /> Date Sampled: 10/04/01 <br /> 837 Shaw Road Date Received: 10/05/01 <br /> Stockton, CA 95215 Client Contact:Paul Dotson Date Extracted: 10/05/01 <br /> Client P.O: Date Analyzed: 10/05/01 <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 /> La7JD Client ID Matrix TPH(g)' MTBE Benzene Toluene Ethyl Xylenes %Recovery <br /> I benzene Surrogate <br /> 80236 PI-25 S I30,g,j ND ND<0.01 ND 0.11 0.093 101 <br /> 80239 P140 S 20xj ND 0.019 ND 0.058 0.I2 --2 <br /> 80240 P1-45 S 130, ND 0.016 ND 0.055 0.057 -g�] — <br /> 80243 P2-20 S ND ND ND ND ND ND 107 <br /> 80245 P2-30 S ND ND ND ND ND ND 104 <br /> I <br /> 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 mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> "cluttered chromatogram;sample peak coelutes 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 significant(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 (?);f) <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 + A�dward Hamilton,Lab Director <br /> I <br />