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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 llwww mccampbell com E-mail main@mccampbell corn <br /> Shaw Environmental Client Project ID #77995063040000, Date Sampled 07/10/02 <br /> STHL-Pershing#17334 <br />' 4005 Port Chicago Hwy Date Received 07/17/02 <br /> Concord, CA 94520 Client Contact Shelby Lathrop Date Extracted 07120102-07124102 <br />' Client P O Date Analyzed 07120102-07/24/02 <br /> Gasoline Range (C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW5030B Analytical methods SW8021B/8015Cm Work Order 0207222 <br /> Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> I <br /> 001A MW-4 W 510,b,m 2000 ND 6 0 1 1 1 1 1 --- <br /> 002A MW-3 W ND ND ND ND ND ND 1 111 <br /> 003A MW-2 W 87,m ND ND 15 ND ND 1 114 <br /> 004A MW-5B W ND ND ND ND ND ND 1 109 <br /> 005A MW-5A W 40,000,a 410 2200 4400 1500 5500 10 ---# <br /> 1 <br /> Reporting Limit for DF=1, W 50 50 05 05 05 05 ug/L <br />' ND means not detected i t or <br /> rep <br /> above the reporting limn S 1 0 005 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,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 significant(aged gasolmeff)),c)lighter gasoline range <br /> compounds(the most mobile fi action)are significant,d)gasoline range compounds having broad chromatographic peaks are significant,biologically <br /> altered gasoline9,e)TPH pattern that does not appear to be denved 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 />' 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 /> gasoline(aviation gas) m)no recognizable pattern <br /> DHS Certtfication No 1644 Edward Hamilton,Lab Director <br />