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110 2nd Avenue South,#D7 Pacheco,CA 94553 5560 <br /> McCampbell Analyt>cal Inc Telephone 925 798-1620 Fax 925-798-1622 <br /> httpj/www mer bell com ]-mail EM2!EMcarripbell com <br /> Shaw Environmental Client Project ID #1838819, PB-Tracy Date Sampled 07/18/03 <br /> 4005 Port Chicago Hwy Date Received 07/18/03 <br /> Concord,CA 94520 Client Contact Rob Delnagro Date Extracted 07/18/03 <br /> Client P O Date Analyzed 07/19/03-07/22/03 <br /> Gasoline Range (C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW5030B Analytical methods SW8021B/8015Cm Work Order 0307331 <br /> Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 002A PB-1 (10') S --- ND ND ND ND ND 1 960 <br /> 003A PB-1 (15') S --- ND ND ND ND ND 1 98 8 <br /> 005A PB-3(10') S --- ND ND ND ND ND 1 98 5 <br /> 006A PB-3(15') S -- ND ND ND ND ND 1 997 <br /> 009A PB-2(10') S — ND ND ND ND ND 1 987 <br /> OIOA PB-2(15') S ND ND ND ND ND 1 965 <br /> Reporting Lmut for DF=1 W NA NA NA NA NA NA 1 ug/L <br /> ND means not detected at or <br /> above the reporting limit S 10 005 0 005 0 005 0 005 0 005 1 mg/Kg <br /> *water and vapor samples and all TCLP&SPLP extracts are repotted in pgfL soil/sludge/solid samples in ug/kg, wipe samples in pg/wipe, <br /> product/oil/non-aqueous liquid samples in mglL <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> +The following descriptions of the TPH chromatogram are cursory in nature and McCampbc]]Analytical is not responsible for their interpretation a) <br /> unmodified or weakly modified gasoline is significant,b)heavier gasoline range compounds are significant(aged gasolme?),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 gasolme?,e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent/mineral spirn9),0 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–2 vol %sediment,d)reporting limit raised due to high MTBE content,k)TPH pattern that does not appear to be <br /> denved from gasoline(aviation gasnino recolMizable pattem <br /> DHS Certification No 1644 Angela Rydehus,Lab Manager <br />