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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL NC Telephone 925-798-1620 Fax -925-798-1622 <br /> http//www mccampbell com E-mail main@mccampbell corn <br /> tAdvanced GeoEnvironmental Client Project ID Chase-Van Buren Date Sampled 03/16/01 <br /> 837 Shaw Road Date Received 03/20/01 <br />' Stockton, CA 95215 Client Contact Paul Dotson Date Extracted 03/20/01 <br /> Client P Q Date Analyzed 03121-03/22/01 <br /> Gasoline Range(C6-Ci2)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)+ BE Benzene Toluene Ethylben- Xylene$ %Recovery <br />' zene Surrogate <br /> --- <br /> 63355 EW3-10 S 1300,b ND<O 10 49 6 8 220 97 <br />' 63358 EW3-25 S 4900,a --- 16 240 70 470 95 <br /> 1 <br /> 1 <br /> Reporting Limit unless <br /> otherwise stated,ND W 50 ug/L 50 05 05 05 05 <br /> means not detected above <br /> the reporting limit mg/kg S 1 0 m /k 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 /> I u 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 /> gasolme9), c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasolinO,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,i)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />