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I110-2nd Avenue South #D7 Pacheco CA 94557-5550 <br /> McCampbell Analytical Inc I Telephone 925-798-1620 Fax 925-798 1622 <br /> hap//www inccampbell corn £_road maul mccampbell com <br /> IAdvanced GeoEnviroiimental, Inc Client Project ID Flag City Chevron Date Sampled 08/29/03 <br /> 837 Shaw Road Date Received 09/03/03 <br /> IClient Contact Tim Cuellar Date Extracted 09/05/03 <br /> Stockton, CA 95215 <br /> Client P O Date Analyzed 09/05/03 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extmctionmethod SW5030B Analytical methods SW802113/8015Cm Work Order 0309037 <br /> ILab ID Client ID Matnx TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes y DF %SS <br /> 001A Influent W ND --- ND ND ND I ND 1 105 <br /> 002A Effluent W ND --- ND ND ND ND t 1 106 <br /> I <br /> I <br /> i <br /> I - - <br /> I <br /> Reporting Limit for DF=1 yy 50 5 0 05 05 0 5 05 1 pg/L <br /> ND means not detected at or <br /> above the reporting limit S NA NA NA NA NA NA 1 mg/Kg <br /> *water and vapor samples and all TCLP&SPLP extracts are reported in ug/L,soil/sludge/solid samples in mg/kg, wipe samples inµg/wipe, <br /> product/od/non-aqueous liquid samples in mg/L <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> +The following descnptions 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 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 denved from gasoline(studdard solvent/mineral spinCi),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 1)liquid <br /> sample that contains greater than—2 vol %sediment,3)reporting limit raised due to high MTBE content,k)TPH pattern that does not appear to be <br /> derived from gasoline aviation as) m)no recognizable pattern <br /> DHS Certification No 1644 "A_Angela Rydelius, Lab Manager <br /> I <br /> I <br />