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Al r ■ Ix <br /> I <br /> 110 2nd Avenue South #r)7 Pacheco CA 94553-5550 <br /> McCampbell Analytical, Inc. Telephone 925 798-1620 Fax 925 798-1622 <br /> Website www mccampbell com E-mail main®mccampbelI corn <br /> Advanced GeoEnvlrormiental,Inc Client Project ID Flag City Chevron Date Sampled 12/27/04 <br /> 837 Shaw Road <br /> Date Received 12/28/04 <br /> Client Contact Tim Cuellar Date Extracted 12/29/04-01/01/05 <br /> Stockton, CA 95215 <br /> =lentP Date Analyzed 12/29/04-01/01/05 <br /> Gasoline Range (C6-C12)Volatile Hydrocarbons as Gasoline <br /> Extraction method SW5030B Analytical methods SW9015Cm Work Order 0412516 <br /> Lab ID Client 1D Matrix TPH(g) DF %SS <br /> 033A MW19A W ND 1 101 <br /> 034A MW19B W ND 1 99 <br /> 035A MW20A W ND t 100 <br /> 036A MW20B W ND 1 102 <br /> Reporting Limit for DF=1, W 50 <br /> ND means not detected at or 3 NA NA <br /> above the reporting limit <br /> *water and vapor samples and all TCLP&SPLP extracts are reported in ug/L,soillsludgelsolid samples in mg/kg, wipe samples in pg/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 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 gasoline9 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-v1 vol %sediment,1)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 at <br /> the client's request <br /> DHS Certification No 1644k6.ngela Rydelius,Lab Manager <br />