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110 Second A�cnuc South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br /> ht(p//u,ww mccaiiinbcll cote E-mail main a mccampbell com <br /> ' <br /> F <br /> c Date Sam leded GeoEnvtronmental ClientPro}ectID #0121,Nome]]tnt P 11/25/97 <br /> Cons <br /> orth Wilson Way I Date Received 11/26/97 <br /> Stockton, CA 95205 Chent Contact Tim Cuellar Date Extracted 11/26-11127/97 <br /> rChent P O Date Analyzed 11/26-11/27/97 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as' Gasoline*, ith A4ethyl tert-Butt'1 Ether*&BTEX*EPA methods 5030,modified 8015,and 8020 or 602 California RWQC B(SF Bay Region)riicthod GC FID(5030) <br /> Lab ID Client 1D Matrix TPH(g)' MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br />' 83402 MW-1 W 36,000,a --- 8400 4200 990 2500 98 <br /> 83403 MW-2 W 22,000,a --- 10000 140 760 620 95 <br /> 83404 MW-3 W 53,000,a --- 12 000 5500 2000 5300 100 <br /> 83405 MW-4 W 19,000,a --- 5800 44 590 310 96 <br />' 83406 MW-5 W ND --- N D E 5 EDFI <br /> 94 <br /> 83407 MW-6 W ND --- ND 1 1 94 <br /> 83408 MW-7 W 20,000,a --- 2600 460 790 0 101 <br /> 83409 MW-8 W ND -- ND t 6 ND 1 9 98 <br /> 53410 MW-9 W ND --- ND 1 8 ND 23 104 <br /> Reporting Limit unless' <br /> o1heri6ise stated ND W 50 ug/L 5 0 O S 05 U 5 05 <br /> means not detected above <br /> the reporting limit S 1 0 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> *later and vapor samples are reported in ug/L,wipe samples in ug/wipe Soil and sludge samplts in mg/kg,and all TCLP and SDLP extracts <br /> in ug/L <br /> N cluttered chromatogram,sample peak coelutes with surrogate peak <br /> *The following descriptions of the TPF/ chromatogram are cursoiy in natuie and McCampbell Analytical is not responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is significant, b) hea\ier gasoline range compounds are signilfcant(aged <br /> gasolme?) c) lighter gasoline range compounds (the most mobile fiaction) are significant d) gasoline iange compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline9 e)TPH pattern that does not appear to be derived from gasoline(9) 1) <br /> one to a few isolated peaks present,g)strongly aged gasoline of diesel iange, compounds are significant h)lighter than later immiscible <br /> sheen is present i)liquid sample that contains greater than 5 vol %sedmtent j)no recognizable pattern <br /> DHS Ceitttication No 1644 //� Edwaid Hanulton,Lab Director <br />