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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 //www mccampbell cam E-mail niam@imeanipbell cam <br /> Advanced GeoEnvironmental,Inc Client Project ID Flag City Chevron Date Sampled 09/17/03 <br /> 837 Shaw Road Date Received 09/18/03 <br /> Stockton,CA 95215 Client Contact Tun Cuellar Date Extracted 09/21/03 <br /> Client P O Date Analyzed 09/21/03 <br /> Gasolene Range(C6-C12)Volatile Hydrocarbons as Gasoline* <br /> xirachon method SW5030B Analytical methods 8015Cm Work Order 0309340 <br /> Lab ID Client ID Matrix TPH(g) DF %SS <br /> 001A CSA-1 W ND 1 102 <br /> 002A CSA-2 W ND r 1 101 <br /> 003A MWlla W ND 1 104 <br /> 004A MWllb W ND 1 103 <br /> 005A MWlle W ND 1 996 <br /> 006A MWlld W ND 1 103 <br /> 007A MW14 W ND 1 101 <br /> 008A MW15 W ND 1 114 <br /> 009A MW17 W ND 1 105 <br /> 010A MW18 W ND 1 104 <br /> Reporting Limit for DF=1, i `117 50 L <br /> ND means not detected at or <br /> above the reporting limit 5 NA NA <br /> *water and vapor samples and all TCLP&SPLP extracts are reported in ug/L,soil/sludge/solid samples to mg/kg wipe samples in Ng/wrpe, <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 gasolme9),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 /> 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 gas) m)no recognizable pattern <br /> . DHS Certification No 1644 Angela Rydelius, Lab Manager <br />