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110 21nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925 798-1622 <br /> help l/www mecampbell coin E-mail matn(3n mccanipbell coin <br /> Shaw Envlrormiental Client Project ID #779956 630040000, Date Sampled 07/08/02 <br /> STHL-Manteca <br /> 4005 Port Chicago Hwy Date Received 07/10/02 <br /> Concord, CA 94520 Client Contact Shelby Lathrop Date Extracted 07/12/02-07116/02 <br /> [Cl=ientP Date Analyzed 07112/02-07/16/02 <br /> Gasoline Range(C6-CU)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> xtrachon method SW5030B Analytical methods SW8021Bl8015Cm Work Order 0207111 <br /> Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A MW-5A W ND ND ND ND ND ND I 100 <br /> ' 002A MW-5 W 480,a,i 300 t4 2 4 10 062 1 113 <br /> 003A MW-4A W ND ND ND ND ND ND 1 100 <br /> 004A M W4 W ND ND ND ND ND ND 1 101 <br /> 005A MW-3 W ND,i ND ND ND ND ND I i01 <br /> 006A MW-6 W 100,b,i ND ND 085 ND ND i 102 <br /> 007A MW-2 W 36,000,a,i 1400 2700 1400 1700 7800 100 101 <br /> 008A MW-1 W 320,a,i 590 23 081 18 29 1 102 <br /> 009A MW-LA W 72,a,i 9 2 8 2 096 1 5 5 1 1 98 3 <br /> OIGA MW-7 W 69,b,i ND ND 085 ND ND 1 103 <br /> Reporting Limit for DF=1, W 50 so 05 05 05 05 uglL <br /> ' 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 uglL,soil and sludge samples in mg/kg,wipe samples in ug/wipe,and TCLP extracts to ug(L <br /> 4 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 gasolme is significant,b)heavier gasoline range compounds are s,gruficant(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 gasolmer),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,,/)sample diluted due to high MTBE content,k)TPH pattern that does not appear to be derived from <br /> Igasoline(aviation gas) m)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br /> 1 <br />