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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//www mccampbe€l com E-mail inatn@mccampbell com <br />' Advanced GeoEnvironmental Client Project ID MBP-Linden Date Sampled 10/15-10/17/01 <br /> 837 Shaw Road Date Received 10/19/01 <br />' Stockton, CA 95215 Client Contact Bill Little Date Extracted 10/26/01 <br /> Client P O Date Analyzed 10/26/01 <br />' Gasoline Range (C6-C12)Volatile Hydrocarbons as Gasoline*,with iVlethyl tent-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602 California RW_ CB(SF Bay Region)method GCFID(5030) <br />' Lab ID Client 1D Matrix TPH(g)+ MTBE Benzene Toluene Ethyl Xylenes %Recovery <br /> benzene Surrogate <br /> 31280A B2-90 S ND ND ND ND ND ND 107 <br /> 1 <br /> 1 <br /> 1• <br /> Rcporting Limit unless W 50 ug/L 5 0 05 0 5 0 5 05 <br /> otherwise stated,ND <br /> means not detected above S 1 0 mg/kg 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,sots and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br />' a cluttered chromatogram,sample peak coclutes with surrogate peak <br /> `The following descriptions of the TP14 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 gasoline'7,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,I)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />