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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> 71-CMcCAUTBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> // E-mail main@mccarnpbell com <br /> Parker Environmental Services Client Project ID The Customer Date Sampled 08/31/99 <br /> Company Cheapert #37 <br /> 190 East 7m Street Date Received 09/07/99 <br /> Pittsburg,CA 94565 Client Contact Jun Parker Date Extracted 09/07-09/09199 <br /> Client P O Date Analyzed 09/07-09/09/99 <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 /> 18755 93/37/MW-1 W ND --- ND ND ND ND 105 <br /> 18756 93/37/MW-2 W ND --- ND ND ND ND 101 <br /> 18757 93/37IMW-3 W ND --- ND ND ND ND 104 <br /> 18758 93/37/MW-4 W ND --- I 6 ND ND 077 103 <br /> 18759 93/37/MW-5 W ND --- ND ND ND ND 104 <br /> 18760 93/37/MW-6 W ND --- ND ND ND ND 103 <br />. 18761 93/37/MW-7 W ND --- ND ND ND ND 103 <br /> 18762 93/37/MW-8 W ND --- ND ND ND ND 105 <br /> Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit S 1 0 mg/kg 005 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 coetutes with surrogate peak <br /> 'The following descriptions of the TPH chromatogram are cursory in nature and McCampbeli Analytical is not responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is significant b) heavier gasoline range compounds are signifieairt(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 gasolmc" e)TPH pattern that does not appear to be derived from gasoline(9) f) <br /> one to a few isolated peaks present g)strongly aged gasoline or diesel range compounds are significant h) lighter than water imn-ascible <br /> sheen is present i)liquid sample that contains greater than-5 vol °/sediment j)no recognizable pattem <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br /> L . <br />