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i <br /> 110 SI-and Avenue Soutli,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC I elephorn 510-798-1620 Fax 510-798-1622 <br /> litip_Owww rim ampbcll corn E-mail mai rr mccampbeli com <br /> 1 Advanced GeoEnvironmental Client Project ID Cliapin Biotheis nate Sampled 10/22/97 <br /> 4005 North Wilson Way Date Received 10/23/97 <br /> Stockton, CA 95205 Client Contact Bill Little Date Extracted 10/24/97 <br /> Client P O Date Analyzed 10/24/97 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified$015,and 8020 or 602,California RWQC 11(SI lily Regron)method CC rID(5030) <br /> Lab ID Client ID Matrix TPH(g)+ MTBE BI nicne Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 82179 Post Cat-A Air ND --- ND ND ND ND 108 <br /> 1 82180 Pic Cat-B Air 890,1 --- ND 4 0" 4 3": 28& 107 <br /> The discrepancy between this 8020 result and the 8260 valut, is apparently due to the lower specificity of 8020 <br /> methodology <br /> li <br /> 1 <br /> 1 <br /> 1 <br /> Reliotting Limit unless Air 50 u /L 50 05 05 05 05 <br /> olhr.rwise stated,ND !; <br /> ' means not dctce,ted above <br /> the rtportmg limit S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br /> *watei and vapoi samples are reported in ug/L,wipt,samples rn ug/wipL suit and sludge Samples in mg/kg and all TCLP and SDLP extracts <br /> 1 in uglL <br /> °eluneic.d chiomatogram,sample peak coelutes with suitogate peak <br /> 'rhe following descriptions of the TPII chromatogram aie ctusoiy in name and WCampbt,ll Analytical is not responsible for their <br /> 1 interpretation a) unniodified or weakly modified gasoline IS significant h) 11UM r gasulnit, range compounds are significant(aged <br /> gasoline)), t,) lighter gasoline range compounds (die most mobile tlaUlOn) aie signihcant (l) gasoline range compounds having broad <br /> cJnomatographm peaks are significant,biologically altered gasoluier e)TPII pattern that does not appear to lie derived from gasoline(9),f) <br /> out,to a Yew isolated peaks present,g)strongly aged gasoline or dlesLl range uimpouncts aie signiiiLant h)lighter than water immiscible <br /> sheen is present i)liquid sample[hat contains greater than—5 vol 1% sediment I)no iu ognilabIL pattern <br /> DHS Certification No 1644 - Edwaid Hamilton,Lab Director <br />