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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 /> ' btF=//www.mccamn ell.com E-mail:main@mccampbell.corn <br /> ' Advanced GeoEnvironmental Client Project ID: Cole Date Sampled: 08/23-08124/99 <br /> 4005 North Wilson Way Date Received: 08/25/99 <br /> Stockton, CA 95205 Client Contact:Bill Little Date Extracted: 08/25/99 <br /> ' <br /> 1-client <br /> P.O: Date Analyzed: 08/25/99 <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 /> 17932 MWI/8-24-99 W ND 120 ND ND ND ND 104 <br /> ' 17933 MW1-15 S ND ND ND ND ND ND 110 <br /> 17934 MWI-40 S ND ND ND ND ND ND 111 <br /> 17935 MWI-50 S ND 0.18 ND ND ND ND i 1 1 <br /> ' 17936 MW1-55 S ND ND ND ND ND ND 113 <br /> 1 <br /> i <br /> 1 <br /> Reporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> otherwise stated;ND means <br />' not detected above the <br /> 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 TCI.P and SPLP extracts <br /> in ugll., <br />' cluttered chromatogram;sample peak coelutes with surrogate peak <br /> 'The follo,,ving 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?), 0 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 Edward Hamilton, Lab Director <br />