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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 /> h J/www rnccanipbell corn E mail nuiin@=campbell corn <br /> Advanced GeoEnvironrnental, Inc Client Project ID Flag City Chevron Date Sampled 09/15/03 <br />' 837 Sbaw Road Date Received 09/16/03 <br /> Stockton, CA 95215 Client Contact Tim Cuellar Date Extracted 09/18/03.09/21/03 <br />' Client P O Date Analyzed 09/18/03-09/21/03 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> [E:-xtMracib.nn.7x1hod SW5030B Analytical methods SW802113/8015Cm Work Order 0309287 <br /> Lab M Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A EW2 W ND ND ND ND ND ND 1 949 <br /> 002A EW4 W ND 93 ND ND ND ND 1 969 <br /> 003A EW5 W ND 16 ND ND ND ND k 995 <br /> 004A EW6 W ND ND ND ND ND ND 1 950 <br /> 0115A FW7 W ND 19 ND ND ND ND 1 962 <br /> —H <br /> :: <br /> 006A EW8 W ND 22 ND ND ND ND 1 101 <br /> I <br />' 007A EW9 I W ND 96 ND ND ND ND 1 976 <br /> 008A MW1 W ND ND ND ND ND ND 1 968 <br /> 009A MW7 W ND ND ND ND ND ND 1 1 981 <br /> lie <br /> O I OA M W 16 W ND 37 ND ND I ND ND 1I1 109 <br /> 014A Influent W ND 18 ND ND ND ND 1 107 <br /> 015A Effluent W ND ND ND ND ND ND ! 106 <br /> 016A EW-10 W ND ND ND ND ND ND 1 106 <br /> 1 <br />' Reporting limit for DF=1VV 50 50 05 0 5 05 05 ' 1 µg/L <br /> ND means not detected at or <br /> above the reporting lirtnt S NA NA NA NA NA NA 1 mg/Kg <br /> I <br /> *water and vapor samples and all TCLP&SPLP extracts are reported in ug/L,soil/sludge/solid samples in mg/kg, wipe samples in 1tg/wipe, <br />' product/oil/non-aqueous liquid samples in mg/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 signtficant(aged gasolme7),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's e)TPH pattern that does not appear to be denved 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,i)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 pattem fin <br /> DHS Certification No 1644 ngela Rydelius, Lab Manager <br /> I <br />