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110 2nd Avenue South #p7,Pacheco CA 94553 5560 <br /> L4— -McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> hip 1lwww ruccampbell cam E mad main@ME2a2pb01 corn <br /> • Advanced GeoEnvironmental,Inc Client Project ID Flag City Chevron Date Sampled 11/19/03 <br /> 837 Shaw Road Date Received 11/20/03 <br /> Stockton, CA 95215 Client Contact Tun Cuellar Date Extracted 11/21/03 <br /> Client P O Date Analyzed 11/21/03 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW5030B Analyncat methods SW8021B/8015Cm Work Order 0311268 <br /> Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> OOlA Influent W ND --- ND ND ND ND 1 100 <br /> 002A Effluent W ND --- ND ND ND ND 1 102 <br /> t I <br /> I <br /> 7 <br /> Reporting Lurat for DF=1 `1S7 50 5 0 0 5 0 5 05 05 1 gg/L <br /> ND means not detected at or <br /> above the reporting/mut 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,sotVsludge/solid samples in mg/kg wipe samples inµg/wipe, <br /> product/ml/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 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 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,1)liquid <br /> sample that contains greater than–2 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 as) m)no recognizable pattern <br /> DHS Certification No 1644 gela Rydehus, Lab Manager <br />