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-- <br /> Environm®ntal Tes#ing Laboratory Since 1949 <br /> Project: NCYC Reported: 06/24/2008 10:54 <br /> Herst Associates <br /> 4630 South Highway 94 North Outer Road Project Number: [none] <br /> Saint Charles,MO 63304 Project Manager: David Vasbinder <br /> Volatile Organic Analysis ( ethv 8260) <br /> Quality control report - Method Blank Analysis <br /> €' Constituent Batch ID QC Sample ID MB Result Units PQL MDL tab Quals <br /> s' BRF132$ BRF132&BLK1 ND ug/L 0.50 0.095 <br /> 1,3-Dichioropropane <br /> _ <br /> _. uglL <br /> BRF1328 BRF1328 BLK1 --- <br /> trans 1 3-Dichlaroprapene -_---- <br /> _ — —.. -- <br /> —— _. <br /> Ethylbenzene 16 <br /> BRF1328 BRF1328 BLK3 ND u91L <br /> -_—_-_—_ ug/L 0.50 0.26 <br /> _..._- BRF1328 BRF1328 BLK1 -- <br /> Hexachlorobutadiene -- <br /> -- 0 0.27 <br /> ND ug/L <br /> Methylene chloride <br /> BRF1328 BRF1328 BLK1 - - <br /> -. — <br /> Methyl t-butt'!ether BRF1328 BRF1328 BLK1 ND ug1L - _..—_.. <br /> _.—. — -- <br /> -.. _.— ND ug/L 0.50 0.30 <br /> _ BRF1328 BRF1328-8 <br /> Naphthalene _. --- <br /> - "" ..— _.- 050 0.18 <br /> --- —.-_ ND uglL <br /> BRF1328 BRF1328-BLK1 <br /> .....— <br /> Styrene —.� ___. _ .__ __.-- <br /> ...._. —..—_ <br /> —..— _..— - —_ 0,50 0.28 <br /> — _ BRF1328 BLKi N <br /> ug/L <br /> 1,1,2,2-Tetrachloroethane BRF1328 _.— <br /> —..— —_ — 0 50 0.2 <br /> — — ND ug/L _ <br /> BRF1328 BRF1328-BLK1 ------ ---_— - <br /> Tetrachloroethene -- <br /> -_ _ —.._ <br /> 12 <br /> BRF1328 BRF1328-BLKi ND uglL 0 ---- <br /> Toluene u — <br /> _— — — — 0.50 0. <br /> 31 <br /> BRF1328 BRF1328 BLK1 ND <br /> 1,2,4-Trichlorobenzene —- <br /> - _..—. - <br /> BRF1328 BRF1328-BLKi ND ug/L 0.50 <br /> 1,1 1 Trichloroethane -- - <br /> - 0.50 0.44 <br /> 1,1,2-Trichloroethane BRF1328 BRF1328-BLK1 ND u9 <br /> — <br /> _..— . —. 0.50 0.1 <br /> Trichloroethene BRF1328 BRF1328 BLK1 ND ug —� <br /> _ _ --- <br /> - _— —_ 0.500.22 <br /> -- ND ug <br /> _._ —. .. BRF1328 BRF1328-BLK1 <br /> Trichlorofluoromethane .4 - <br /> - ug/L 1.0 <br /> BRF1328 43 <br /> BRF1328 BLK1 ND <br /> 1,2 3 Trichloropropane -- — <br /> - -_. 0.50 0.1 <br /> _ ND ug/L <br /> Vinyl chloride BRF1328 BRF1328 _ __— .___.—._ <br /> _ _— _— 1.0 0.53 <br /> — ug/L <br /> Total Xylenes <br /> BRF1328 BRF1328 BLK1 --- -- --- <br /> —.-_-- 7.4 <br /> —— — <br /> BRF132 <br /> 8-BLK1 ND <br /> ug/L 10 <br /> BRF1328 <br /> _--. _. <br /> Acetone g!L • .__.---- <br /> —__.—._..BRF1328 BRF1328 BLK1 ND <br /> Acrylonitrile _ <br /> _.._ <br /> ND uglL 0.50 0.1 <br /> t-Amyl Methyl ether — __ _ ug/L <br /> t-Butyl alcohol BRF1328 BRF1328 8LK1 N -- ---- - <br /> -- <br /> -- — 10 0.40 <br /> Carbon disulfide BRF1328 BRF1328 BLK1 ND ug/L <br /> The results in this report apply to the samples analy:ed in accordance with the chain of custody document This analytical report»rust be reproduced to its eratitety. <br /> A11 results listed in this report are for the exclusive use of the submitti`g party.^A ^I-0 <br /> Laboratories,Inc. surae no res fsil>iiiitl�f r report alteration,bclabs Com detachment or third party intetpreta6 page 34 of 36 <br />