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L <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAWBELL ANALYTICAL INC. Telephone;925-798-1620 Fax:925-798-1622 <br /> { h ://www,m bell.com E-mail:mainQmccampbell.com <br /> Advanced GeoEnvironmental Client Project ID:Ace Tomato Borings Date Sampled:02/20/01 <br /> 837 Shaw Road Date Received:02/22/01 <br /> LStockton,CA 95215 Client Contact:Bill Little Date Extracted: 02/22/01 <br /> Client P.O: Date Analyzed:02/22/01 <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 Ethyl Xylenes %Recovery <br /> benzene Surrogate <br /> 60637 B2 W ND ND ND ND ND ND 98 <br /> ` 60638 B1-20 S ND ND ND ND ND ND 109 <br /> L60639 B1-30 S ND ND ND ND ND ND 109 <br /> 60640 B3-20 S ND ND ND ND ND ND 110 <br /> 60641 B3-30 S ND ND ND ND ND ND 106 <br /> L60642 B4-20 S ND ND ND ND ND ND 109 <br /> 60643 8430 S ND ND ND ND ND ND 107 <br /> L60645 B2-20 S ND 0.22 ND ND ND ND 105 <br /> 60646 132-30 S ND 1.3 ND ND ND ND 106 <br /> 60647 B2-40 S ND 0.075 ND ND ND ND 103 <br /> 60648 B2-50 S ND ND ND ND ND ND 108 <br /> L 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 /> L *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 /> L ;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(?);fl <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 /> LDHS Certification No. 1644 Edward Hamilton,Lab Director <br />