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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 />' <br /> httpJ/www mccanipbell corn E mail Twui@rmcarMbelLcom <br /> Advanced GeoEnvlronmental, Inc Client Project ID Sierra Lumber Date Sampled 03/20/03 <br />' 837 Shaw Road Date Received 03/21/03 <br /> Stockton,CA 95215 Client Contact Tim Cuellar Date Extracted 03121103-03122/03 <br />' Client P O Date Analyzed 03/2I/03-03122/03 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extracnonmethod SW5030B Analyhcalmethods SW802IB/8015Cm Work Order 0303367 <br />' Lab m Client ID Matrix TPH(g) MTBE Benzene I Toluene Ethylbenzene XylenesDF %SS <br /> __F001A Influent A 140,a _ ND 2 1 039 36 1 83 8 <br />' 002A Effluent A 61,a 025 041 ND ND 1 860 <br /> I <br /> Reporting Lunit for DF=l A 25 25 025 025 025 025 1 µg/L <br /> I ND means not detected at or <br /> above the reporting hnnt S NA NA NA NA NA NA 1 mg/Kg <br /> *water and vapor samples are reported inµg/L,soil and sludge samples in mg/kg,wipe samples in pg/wipe,and TCLP extracts in gg/L <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> +The following descriptions of the TPH chromatogram are cursory in nature and McCampbelI Analytical is not responsible for their interpretation a) <br /> unmodified or weakly modified gasoline is significant,b)heavier gasoline range compounds are significant(aged gasoline?),c)lighter gasoline range <br /> I compounds(the most mobile faction)are significant d)gasoline range compounds having broad chromatographic peaks are significant,biologically <br /> altered gasolm0,c)TPH pattern that does not appear to be derived from gasoline(stoddard solvent/mineral spint9),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,i)liquid <br /> sample that contains greater than—2 vol %sediment,1)reporting limit raised due to high MTBE content,k)TPH pattern that does not appear to be <br /> Idenved from gasoline(aviation gas) m)no recognizable pattern <br /> DHS Certification No 1644 Angela Rydelius,Lab Manager <br /> I <br /> i <br />