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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/1wwwmccampbellcom E-mail main@mccampbell com <br />' ICES Client Project ID #2289,401 South Date Sampled 12/07/99 <br /> P O Box 992$8 Lincoln St Date Received 12/09/99 <br />' Emeryvtlle, CA 94662 Client Contact Peng Leong Date Extracted 12/09/99 <br /> Client P 0 Date Analyzed 12/09/99 <br />' Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasohne*,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 /> 26995 MW-3A S ND --- ND ND ND ND 103 <br /> t26996 MW-3C S ND --- ND ND ND ND 96 <br /> 26997 MW-3D S ND --- ND ND ND ND 96 <br /> 1 <br />' Reporting Limit unless W 50 ug/L 5 0 0 5 05 0 5 0 5 <br /> otherwise stated,ND <br /> means not detected above S 1 0 mglkg 0 05 0 005 0 005 0 005 0 005 <br />' the reporting 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 />' I 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 />' gasoltne9), c) lighter gasoline iange 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(9),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 AV_NEdward Hamilton, Lab Director <br /> 1 <br />