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I110 2nd Avenue South,#D7,Pacheco CA 94553-5560 <br /> McCampbell .Analytical Inc Telephone 925-798-1620 Fax 925-7981622 <br /> http!/www mccampbell com E mail mam@mccampbell com <br /> Ile <br /> Advanced GeoEnvlronmental,Inc Client Protect ID Canteen Corp Date Sampled 08/01/02 <br /> 837 Shaw Road Date Received 08/02/02 <br /> Stockton, CA 95215 Chent Contact Paul Dotson Date Extracted 08/03/02-08/07/02 <br /> Client P O Date Analyzed 08/03/02-08107/02 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW5030B Analytical methods SW8021Bl8015Cm Work Order 0208025 <br />' Lab ID Client 15 Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A MW3/080102 W ND -- ND ND ND ND 1 972 <br /> 002A MW3a/080102 W 90,m --- ND 2 6 ND ND 1 # <br /> 003A MW3d/080102 W ND --- ND 0 96 ND 0 99 1 995 <br /> I004A MW 11/080102 W ND --- ND ND ND ND 1 981 <br /> 005A MW13/080102 W 180,000'a --- 19,000 28,000 4400 22,000 100 --- <br /> 006A MW13a/080102 W ND --- 073 3 4 079 53 1 994 <br /> 007A MW13b/080102 W ND --- 0 61 2 0 ND 1 9 1 104 <br /> I <br /> Reporting Limit for DF=1, W 50 5 0 0 5 0 5 05 05 ug/L <br /> I ND means not detected at or <br /> above the reporting limit S 10 005 0 005 0 005 0 005 0 005 mg/Kg <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 signtftcant(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 gasoline,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 /> I contains greater than—2 vol %sediment,I)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 /> I <br />