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i <br /> 110 2nd Avenue South,#D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925 798-1622 <br /> AJ Website www mccampbell com E-mail mam@rmcampbell cam <br /> Advanced GeoEnvironmental,Inc Client Project HD Flag City Chevron Date Sampled 06/14/04 <br /> 837 Shaw Road Date Received 06/15/04 <br /> Client Contact Tim Cuellar Date Extracted 06/15/04 <br /> Stockton,CA 95215 <br /> Client P O Date Analyzed 06116/04-06/19/04 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with MTBE* <br /> tracuonniedW SW5030B Analytical methods SW80219/8015Cm Work Order 0406242 <br /> Lab ID Client @ Matrix TPH(g) MTBE DF %SS <br /> 0406242-033A EW-5 W ND 6 1 1 972 <br /> 0406242-034A EW-6 W ND ND 1 104 <br /> 0406242-035A EW-7 W ND 79 1 106 <br /> 0406242-036A EW-8 W ND 17 1 844 <br /> 0406242-037A EW-9 W ND 30 1 861 <br /> 0406242-038A EW-10 W ND 44 1 87 5 <br /> 0406242-039A CSA-1 W ND ND 1 887 <br /> 0406242-040A CSA-2 W ND ND 1 873 <br /> I <br /> Reporting Limit for DF=1, W 50 50 Itg/L <br /> ND means not detected at or <br /> above the reporting limit S NA NA 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 in pg/wipe, <br /> productlotl/non-aqueous liquid samples in mg/L <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> +The following desenpttons 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 gasohne9),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 gasohnev,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,t)liquid <br /> sample that contains greater than--I 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,n)TPH(g)range non-target isolated peaks subtracted out of the TPH(g)concentration <br /> of thw ­"et <br /> DHS Certification No 1644 Angela Rydelms, Lab Manager <br /> r <br />