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1 i <br /> 110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> McCanlpbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br />' h //www mcc bell corn E-mail mam c bell com <br /> Advanced GeoEnvironmental,Inc Client Project ID Flag City Chevron Date Sampled 06/27/03 <br />' 837 Shaw Road Date Received 07/01/03 <br /> Stockton, CA 95215 Client Contact Tim Cuellar Date Extracted 07/02/03-07104/03 <br />' Client P O Date Analyzed 07/02103-07/04/03 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline* <br /> Extraction method SW5030i3 Analytical methods 8015Cm Work Order 0307008 <br />' Lab ID Client ID Matrix 1 TPH(g) DF %SS <br /> 017A MW13B W ND 1 103 <br /> 018A MW13C W I ND 1 102 <br /> 019A MW13D W ND 1 105 <br />' 020A MW I l D W ND 1 104 <br /> 1 <br /> 1 <br /> li <br /> I <br /> 1 <br /> I <br /> Reporting Limit for DF=1, W 50 µ$�1- <br /> I ND means not detected at or <br /> above the reporting limit S NA ENA <br /> " 11 <br /> water and vapor samples and all TCLP&SPLP extracts are reported toµg/L,soil/sludge/solid samples inµg/kg, wipe samples in gg/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 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,i)liquid <br /> I 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 /> denved from gasoline(aviation gas) m)no recognizable pattern <br /> DHS Certification No 1644 Angela Rydelius, Lab Manager <br /> I - <br />