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130 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> Ed)WAM:4KCampbell Analytical Inc Telephone 925 798 1620 Fax 925 798 1622 <br /> http//www mccampbell com E mail mam rdmccampbell cont <br /> Shaw Environmental Client Project ID #779962 65040000, 7- Date Sampled 10/16/02 <br /> 11#20632 <br /> 4005 Port Chicago Hwy Date Received 10/17/02 <br /> Concord, CA 94520 Client Contact Shelby Lathrop Date Extracted 10/18/02-10/23102 <br /> aClient P O Date Analyzed 10/18/02-10/23/02 <br /> Gasoline Range (C6-C12) Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW5030B Analyncal methods SW8021B/801 SCm Work Order 0210320 <br /> ULab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A MW 6 W ND,i ND ND ND ND ND 1 105 <br /> a002A MW-7 W ND<1200d,i 32,000 ND<12 ND<12 ND<12 } ND<12 25 101 <br /> 003A MW-2 W ND 2200 ND ND ND ND 1 101 <br /> a004A +– MW-3 W 2700,a —28 --- ND<l 7 5 4 140 170 3 3 116 <br /> 005A MW-1 W ND 1 7 5 ND ND ND ND 1 1 l0 <br /> 006A M W-5 W 220,a,i 85 l l – – 1 8 23 13 1 109 <br /> 007A MW-4R W 980,a 1300 49 15 40 50 10 100 <br /> Reporting Lunn for DF=1 1 W 50 j 5 0 I 0 5 05 0 5 0 5 1 [tg/L <br /> ND means not detected at or <br /> m <br /> above the reporting limit {— S NA I NA NA I NA NA NA l mg/Kg <br /> *water and vapor samples are i eported in ug/L,soil and sludge samples in mg/kg,wipe samples in ugA%ipe,product/oil/non-aqueous liquid samples ill <br /> mg/L and TCLP extracts in ug/L <br /> #cluttered chi omatogram sample peak coelutes with surrogate peak <br /> +The following desciiptions ofthe 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 signilicant(aged gasoline?),c)ltghtei gasoline range. <br /> compounds(the most mobile traction)are significant,d)gasoline range compounds having broad chioinatographic peaks are significant biologically <br /> altered gasoline? e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent) t)one to a few isolated non-target peaks piesent <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,3)reporting limit raised due to high MTBE content,k)TPH pattern that does not appear to be dei ivcd fi om <br /> gasoline(aviation gas) m)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Directoi <br /> i <br />