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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone: 925-798-1620 Fax:925-798-1622 <br /> ' http://www.tnSl bell.com E-mail:main@mccampbell.com <br /> • <br /> Advanced GeoEnvirotunental Client Project ID: Shockey&Son Date Sampled: 04/11/01 <br /> 837 Shaw Road Date Received: 04/13/01 <br /> ' Stockton, CA 95215 Client Contact:Bill Little Date Extracted: 04113-04/17/01 <br /> Client P.O: Date Analyzed: 04/13-04/17/01 <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 GMD(s030) <br /> i7IDEthyl- %Recovery <br /> LClient ID Matrix TPEI(g)+ MTBE Benzene Toluene benzene Xylenes Surrogate <br /> 65422 4-111/ W 210,g ND ND ND ND ND 95 <br /> 04-I 1-0I <br /> 65423 MW2/ <br /> 04-11-01 W ND ND ND ND ND ND 101 <br /> 65424 MW31 04-11-01 W ND ND ND ND ND ND 104 <br /> ' <br /> 65425 MW4/ _ W 590,b,h ND 0.56 ND 1.7 0.91 94 <br /> 04-11-01 <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 mglkg 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 IT11 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 />