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110 2nd Avenue South,#D7 Pacheco,CA 945.3 5560 <br /> LAA McCampbell Analytical Inc Telephone 925-798-1620 Fax 925 798-1622 <br /> http Ilwww niccampbell com E-mail mainca bell corn <br /> A E S Regulatory Services Client Project ID Canteen Corp Date Sampled 05/27/03 <br /> 2013 Wells Branch Pkwy Ste 206 Date Received 05/28/03 <br /> Client Contact Paul Dotson Date Extracted 05/28/03-05/29/03 <br /> Austin,TX 78728 <br /> Client P O Date Analyzed 05/28/03-05/29/03 <br /> Gasoline Range (C&C12) Volatile Hydrocarbons as Gasohne* <br /> Extraction method SW5030B Analytical methods SW8015Cm Work Order 0305421 <br /> Lab ID Client ID Matrix TPH(g) DF %SS <br /> OOIA MW 3 W 240,a 1 ---4 <br /> 002A MW 3A W 84,a 1 118 <br /> 003A MW 3D W 130,a 1 110 <br /> 004A MW 11 W 140 f 1 994 <br /> 005A MW 13 W 220,000,a 200 107 <br /> 006A MW 13A W 1 100,b,m l 957 <br /> 007A MW 13B W ND 1 101 <br /> Reporting Limit for DF=1, W 50 lig/L <br /> ND means not detected at or <br /> above the reporting limit S NA NA <br /> *water and vapor samples are reported in gg/L,soil and sludge samples in mg/kg,wipe samples in pg/wipe,and TCLP extracts in pg/L <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> +The following descriptions of the TP13 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 gasohnO,e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent/mineral spirit?),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,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 gasoline(aviation gas) m)no recognizable pattern <br /> . DHS Certification No 1644 gela Rydelius,Lab Manager <br />