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' 110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> Mccampbell Analytical Inc Telephone 925-798-1620 Fax 925 798 1622 <br /> �✓ http 11www mccampbell com E-mail mamQmccampbell cam <br /> I <br /> IT Corporation Client Project 1D #779956 63040000, Date Sampled 04/04/02 <br /> STHL/Manteca#19976 <br /> 4005 Port Chicago Hwy Date Received 04/10/02 <br /> ' Client Contact Shelby Lathrop Date Extracted 04/13/02-04/15/02 <br /> Concord, CA 94553-2233 <br /> Client P O Date Analyzed 04/13/02-04/15/02 <br /> ' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with MTBE and BTEX* <br /> Extraction method SW5030B Analytical methods SW8021B/8015Cm Work Order 0204191 <br /> Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A MW-4 W ND ND ND ND ND ND 1 103 <br /> ' 002A MW-4A W ND ND ND ND ND ND 1 103 <br /> 003A MW-7 W ND 8 2 ND ND ND ND 1 103 <br /> ' 004A MW-5 W 6100,a 700 280 62 200 520 ]0 ]08 <br /> 005A MW-5A W ND ND ND ND ND ND 1 102 <br /> ' 006A MW-6 W 180,b ND ND ND ND ND 1 103 <br /> 007A MW-3 W ND ND ND ND ND ND 1 103 <br /> ' 008A MW-2 W 58000,a 7700 5000 4100 2300 10000 200 102 <br /> 009A MW-1 W 2900,a 4100 150 ND<10 46 59 20 105 <br /> Ol OA MW-lA W ND 9 4 058 ND ND 074 1 102 <br /> Reporting Limit for DF=1, W 50 5 05 J 05 05 0 5 ug/L <br /> ' ND means not detected at or S 1 005 0 005 1 0 005 0 005 0 005 mg/Kg <br /> above the reporting limit <br /> *water and vapor samples are reported to ug/L,soil and sludge samples in mg/kg wipe samples to ug/wipe and TCLP extracts in ug/L <br /> ' DF—dilution factor <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 gasolme9),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'P,e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent),0 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,t)liquid sample that <br /> contains greater than--2 vol %sediment,j)no recognizable pattern <br /> ' DHS Certification No 1644 Edward Hamilton,Lab Direct <br />