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I110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925-798 1620 Fax 925 798-1622 <br /> L4 Websde .N ww mccampbell coin F mail main@mccanipbell cons <br /> IAdvanced GeoEnvlronmental,Inc Client Protect ID Three B'S Date Sampled 09/14/04 <br /> 837 Shaw Road Date Received 09/15/04 <br /> Client Contact Tim,Cuellar Date Extracted 09118/04-09/21/04 <br /> Stockton, CA 95215 <br /> Client-P0 Date Analyzed 09/18/04-09/21/04 <br /> Gasoline Range (C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> hxtraclion method SW5030B Analytical methods SW8021BI8015Cm Work Order 0409205 <br /> Lab ID Client ID Matrix TPH(g) NITRE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 017A MWl l W ND --- ND ND ND ND 1 863 <br /> I018A DWI I W ND — ND ND � ND ND 1 908 <br /> I <br /> I i <br /> I i � <br /> • W <br /> Reporting Dirnt for DF=1, W 50 50 05 05 05 05 1 gg/L <br />' ND[Weans not detected at ormi <br /> above the reporting lit S NA NA NA NA I NA NA 1 mg/Kg <br /> *water and vapor samples and all l CLP&SPLP extracts are reported in ug/L,soil/sludge/solid samples in mg/kg, wipe samples in lig/wipe, <br /> I production/non-aqueous liquid samples in mg/L <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> +The following descriptions ofthe 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 gasoline)),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 gasoline e)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—1 vol %sediment,j)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,n)TPH(g)range non-target isolated peaks subtracted out of the TPH(g)concentration at <br /> the client's request <br />' DHS Certification No 1644 _ Angela Rydelfus, Lab Manager <br /> I <br />