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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAWBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> hhp://www.mccamobell.com E-mail:main@mccarrtpbell.com <br /> Date Sampled: 09/30/99 <br /> Advanced GeoEnvironmental Client Project ID: Geweke <br /> Date Received: 10/02/99 <br /> 4005 North Wilson Way <br /> Stockton,CA 95205 Client Contact: Kevin McKibben Date Extracted: 10/04-10/07/99 <br /> Client P.O: Date Analyzed: 10104-10/07/99 <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 /> 22673 MW6 W ND ND ND ND ND ND 96 <br /> 22674 MW12 W ND ND ND ND ND ND ill <br /> 22675 MW11 W ND ND ND 0.89 ND ND 93 <br /> 22676 MW9 W 4000,a ND 9.9 7.4 210 83 ---" <br /> 22677 MW 14 W 640,a ND 8.2 8.8 4.6 42 --- <br /> I22678 MW7 W ND ND ND 0.96 ND ND 94 <br /> 22679 MW8 W 4800,a NIKIO 6.7 15 160 180 113 <br /> I <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 /> I 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 /> I <br /> DHS Certification No. 1644 Edwvd Hamilton, Lab Director <br />