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' 110 2nd Avenue South ND7 Pacheco,CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http//wwwrnccarnpbcIlcorn E-mail roam ca bell com <br /> ' Advanced GeciEnvlronmental,Inc Client Project ID Local Food Store Date Sampled 03/21/03 <br /> • 837 Shaw Road Date Received 03/25/03 <br /> ' <br /> Client Contact Paul Dotson Date Extracted 03/26/03-03/28/03 <br /> Stockton,CA 95215 <br /> Client P O Date Analyzed 03126103-03128103 <br /> ' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extracuonmethod SW5030B Analytical methods SW8021BlS015Cm Work Order- 0303424 <br /> ' Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A MWl W ND ND ND ND ND 1 97 3 <br /> 002A MW2 W ND _. ND ND ND ND 1 96 1 <br /> 003A MW3 W ND ND ND ND ND t 940 <br /> ' 004A MW4 W 3400,a 390 18 150 260 1 918 <br /> 1 <br /> 1 <br /> I ' <br /> f <br /> Reporting Unit for DF=1 W 50 5 0 05 05 05 05 1 pglL <br /> ND means not detected at or <br /> ' above the reporting leant S NA NA NA NA NA NA 1 mg/Kg <br /> 'water and vapor samples are reported in pg/L,soil and sludge samples in mg/kg,wipe samples in pig/wipe,and TCLP extracts in gg/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 sigiificant(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 gasoline?,e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent/mineral spent?),f)one to a few isolated non-target <br /> peaks present,g)strongly aged gasoline or diesel range compounds are significant,h)tighter 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 /> denved from gasoline(aviation gas) m)no recognizable pattern <br /> ' DHS Certification No 1644 AL Angela Rydelius,Lab Manager <br /> 1 <br />