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1 <br /> 7 pp��,,,Aiit 1'„ 110 2nd Avenue South,pD7 Pacheco CA 94553 5560 <br /> MCCampbell alytical ZT1C Telephone 925 798 1620 Fax 925-798-1622 <br /> �y� I h Nwww mccanipbell com E and roam me bell com <br /> Advanced GeoEnvlxonmental,Inc Client Project ID Chapin 12/02 Date Sampled 12/10/02 <br /> 837 Shaw Road Date Received 12/11/02 <br /> Client Contact Bill Little Date Extracted 12/13/02-12/15/02 <br /> Stockton, CA 95215 <br /> Client P O Date Analyzed 12/13/02-12/15/02 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline* <br /> xtmcuon method SW5030B Analyticai methods SW8021B/8015Cm Work Order 0212181 <br /> Lab[D Client 11) TMatrix TPH(g) DF %SS <br /> 001A Effluent W ND l 106 <br /> 002A Influent W 3600,a 10 114 / <br /> 1 <br /> Reporting Limit for DF=1, W 50 pg/1 <br /> t ND means not detected at or <br /> above the reporting limit S NA NA <br /> *water and vapor samples are reported in pg/L soil and sludge samples in mg/kg,wipe samples in gg/wipe and TCLP extracts in pg/L <br /> #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 interpretation a) <br /> unmodified or weakly modified gasoline is significant,b)heavier gasoline range compounds are significant(aged gasohno9),c)lighter gasoline range <br /> compounds(the most mobile fraction)are significant d)gasoline range compounds having broad chromatographic peaks are significant,biologically <br /> altered gasolme9 e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent/mineral spirit?),f)one to a few isolated non-target <br /> peaks present,g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible sheen/product is present,t)liquid <br /> sample that contains greater than—2 vol %sediment,l)reporting limit raised due to high MTBE content,k)TPH pattern that does not appear to be <br /> ' derived from gasoline(aviation gas) m)no recognizable pattern <br /> DHS Certification No 1644 Edward Halmlton, Lab Director <br /> 1 <br />