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' 110 2nd Avenue South,##137,Pacheco,CA 94553-5560 <br /> MCCA VBELL ANALYTICAL INC. Telephone: 925-798-1620 Fax :925-798-1622 <br />' http://www.mccaTnpbell.com E-mail:main@mccampbell.corn <br /> Date Sampled: 09/20/01 <br />' Advanced GeoEnvironmental Client Project ID: Grewals Mkt <br /> 837 Shaw Road Date Received: 09/21/01 <br /> Stockton,CA 95215 Client Contact: Tim Cuellar Date Extracted: 09127-09/28101 <br /> Client P.O: Date Analyzed: 09127-09128/01 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tent-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 7ND <br /> rbcXyienes %Recovery <br /> Surrogate <br /> 79168 MW 1/092001 W ND ND ND 105 <br /> 79169 MW21092001 W ND 6.1 ND 107 <br /> 79170 MW3/092001 W ND NDND 104 <br /> 1 - <br /> EL <br /> r.' <br /> r <br /> Reporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 <br /> otherwise stated;ND meansnot detected above the S l.0 mg/kg 0.05 0.005 0.005 0.005 :0.5 <br /> 005 <br /> repotting limit <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 Edward Hamilton, Lab Director <br />