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110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> ampbell Analytical Inc <br /> McCTelephone 925-798-1620 Fax 925-798-1622 <br /> http Ilwww mccampbell cam ]_mail iniin@mccampbell corn <br /> Advanced GeoEnvironntental, Inc Client Project ID Local Food Store Date Sampled 08/23/02 <br /> 837 Shaw Road Date Received 08/27/02 <br /> Stockton, CA 95215 Client Contact Paul Dotson Date Extracted 08/31/02 <br /> Client P O ::EfDate Analyzed 0813I/02 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline <br /> E.I.method SW5030B Analytical methods SW8015Cm Work Order 0208457 <br /> ' Lab ID. Client ID Matrix TPH(g) DF %SS <br /> 001A MWl/082302 W ND 1 995 <br /> ' 002A MW2/082302 W ND I 101 <br /> 003A MW3/082302 W ND 1 992 <br /> ' 004A MW4/0823/02 W 290,a 1 102 <br /> 1 <br /> Reporting Limit for DF=1, VST 50 µg/, <br /> ' ND means not detected at or <br /> above the reporting limit S NA NA <br /> *water and vapor samples are reported in ug/L,soil and sludge samples in mg/kg,wipe samples in ug/wipe,product/oil/non-aqueous liquid samples in <br /> mg/L,and TCLP extracts in ug/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 gasolinev),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 gasolme9,e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent),f)one to a few isolated non-target peaks present, <br /> g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible sheen/product is present,i)liquid sample that <br /> ' contains greater than—2 vol %sediment,1)reporting limit raised due to high MTBE content,k)TPH pattern that does not appear to be derived from <br /> gasoline(aviation gas) m)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />