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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 /> hip//www mccampbell corn E-mail main@mccampbell corn <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 />' Emeryville,CA 94662 Client Contact Peng Leong Date Extracted 12/09/99 <br /> Client P O Date Analyzed 12/09/99 <br /> 1 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 Day Region)method GCFID(5030) <br />' Lab ID Client ID Matrix TPH(g)' MTBE Benzene Toluene Ethen en- Xylenes %Recovery <br /> ze Surrogate <br /> 26991 MW-2C S ND --- ND ND ND ND 105 <br />' 26992 MW-2E S ND --- ND ND ND ND 105 <br /> 26993 MW-2F S ND --- ND ND ND ND 104 <br /> 1 <br /> 1 <br /> 1 <br />' Reporting Limit unless W 50 ug/L 5 0 05 0 5 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 to 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 to 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 signtficant(aged <br /> gasohne'r) c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peals 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 16441 yl Edward Hamilton,Lab Director <br /> 1 <br />