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i <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC. Telephone: 925-798-1620 Fax :925-798-1622 <br /> h"://www.mccampbel1.com E-mail:main@mccampbell.com <br /> Advanced GeoEnvirortmental Client Project ID: MBP Date Sampled: 05/23/01 <br /> 837 Shaw Road Date Received:05/25/01 <br /> Stockton, CA 95215 Client Contact: William Little Date Extracted:05125-05130101 <br /> Client P.O: Date Analyzed:05/25-05/30/01 <br /> ' Gasoline Range(C&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 Ethyl- Xylenes %Recovery <br /> ' benzene Surrogate <br /> 68335EWI/Pump W 100,a 1700 0.90 7.3 2.7 14 103 <br /> `rest Sample 1 <br /> 68336 EW1-Pump W 89,a 1900 0.69 5.5 2.0 11 104 <br /> ' Test Sample 2 <br /> 68337 EW1/Pump W 95,a 1900 0.56 4.4 1.8 9.4 106 <br /> Test Sample 3 <br /> 1 <br /> 1 <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 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;i)no recognizable pattern. <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br /> 1 <br />