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1 110 2nd Avanue South,#D7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc I Telephone 925 798 1620 Fax 925 798-1622 <br /> httpd/www mcca bell corn E mail niaingymcarrigbell com <br /> Advanced GeoEnvironmental,Inc Client Project ID National Freight Date Sampled 09/22/03 <br /> 837 Shaw Road Date Received 09/24/03 <br />' Stockton, CA 95215 Client Contact Paul Dotson Date Extracted 09125103-09126103 <br /> Client P O Date Analyzed 09/25103-09/26103 <br />' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extmchonmcthod SW503013 Analytical methods SW802113/8015Cm WarkOrder 0309438 <br />' Lab 1D Client ID Matrix I TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A M W 1 W 310,g,h ND ND ND ND ND 1 104 <br />' 002A MW2 W ND,i ND ND ND ND ND 1 117 <br /> 003A MW3 W ND ND ND ND ND ND 1 102 <br />' 004A MW4 W ND ND ND ND ND ND t F103 <br /> 005A MW5 W ND,i ND ND ND ND ND 1 103 <br /> 1 <br /> lie <br /> I <br /> 1 � <br /> Reparnng Linut for DF=t W 50 5 0 05 05 05 0 5 1 µg/L <br /> ND means not detected at or <br />' above the reporting lint S NA NA NA NA NA NA 1 mg/Kg <br /> *water and vapor samples and all TCLP&SPLP extracts are reported in ug/L,soil/sludge/solid samples in mg/kg wipe samples inµg/wipe, <br /> product/oil/non-aqueous liquid samples in mg/I- <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 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 gasoline7,c)TPH pattern that does not appear to be derived from gasoline(stoddard solvent/mineral spint9),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--2 vol %sediment 1)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 Jk--Angela Rydehus, Lab Manager <br />