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�Avenuo South #D7 Pacheco,CA 94553 5560 <br /> cCampbell Analy#lCal Inc 925 798-1620 Fax 925-798-1622 <br /> �ttp bell corn E-mad tmm@rrkccatnpbefl coin <br /> Shaw Environmental Client Project ID #83881918000, SBC, Date Sampled 10/27/03 <br /> Tracy Ground Water Sampling <br /> 4005 Part Chicago Hwy Date Received 10/2$/03 <br /> Concord, CA 94520 Client Contact Rob Delnagro Date Extracted 10/28/03-10/29/03 <br /> Client P O Date Analyzed 10128103-10/29/03 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW5030B Analytical methods SW8021B/8015Cm Work Order 0310444 <br /> 1 Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A MW-1 W ND ND ND ND ND ND 1 113 <br />' 002A MW-2 W ND ND ND ND ND ND 1 103 <br /> 003A MW-3 W ND ND ND ND ND ND 1 103 <br /> I <br /> Reporting Lieut for DF—1 W 50 50 05 05 05 05 <br /> ND means not detected at or p�1 <br /> above the reporting trout S NA NA NA NA NA NA I mg/Kg <br /> *water and vapor samples and all TCLP&SPLP extracts are reported in ug/L soil/sludge/solid samples in mglkg, wipe samples in pg/wrpe, <br /> product oil/non-aqueous liquid samples in mg/L <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> +rhe 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 gasolineF),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 asolme(aviation gas) m)no reco izable eattern <br /> DHS Certification No 1644 Angela Rydehus, Lab Manager <br />