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Laebloratori�Inc. --- - - — - <br /> Environmental Testing Laboratory Since 1949 <br /> Herst Associates Project: NCYC Reported: 06/24/2008 10:54 <br /> 4630 South Highway 94 North Outer Road Project Number: [none] <br /> Saint Charles,MO 63304 Project Manager: David Vasbinder <br /> Volatile Organic Analysis (EPA Method 8260) <br /> Qualify Control Report - Method Blank Analysis <br /> Constituent Batch ID QC Sample ID MB Result Units PQL MDL Lab Quals <br /> BRF1328 BRF1328-BLK1 ND ug/L 5.0 1.4 <br /> trans 1 4-Dichloro-2-butene _ <br /> Diisopropyl ether BRF1328 BRF1328 BLK1 ND ug/L 0.50 .18 <br />` Ethanol BRF1328 BRF1328-BLK1 ND ug/L 250 57 <br /> 0.22 <br /> �.._ <br /> ._— — <br /> Ethyl t-butyl ether BRF1328 BRF1328 BLK1 ND u9lL 0 50 <br /> BRF1328 BLK1 ND ug/L 10 2.5 <br /> 2-Hexanone BRF1328 <br /> Methyl ethyl ketone BRF1328 BRF1328 BLK1 ND ug/L 10 2.4 <br /> Methyl iodide BRF1328 BRF1328 BLK1 ND ug/L 2.0 0.42 <br /> 3.4 <br /> Methyl isobutyl ketone BRF1328 BRF1328-BLK1 ND ug1L 10 <br /> Vinyl acetate BRF1328 BRF1328-BLK1 ND ug/L tU 2.5 <br /> 1,2-Dichloroethane-d4(Surrogate) BRF1328 BRF1328 BLKI 105 % 76-11 L <br /> Toluene d8(Surrogate) BRF1328 BRF1328 BLK1 99 9 % 88 110 {LCL- <br /> —._— <br /> ? 4-Bromofluorobenzene(Surrogate) BRF1328 BRF1328 BLK1 103 % 86 115 L - <br /> The results in this report apply to the samples analyzed in accordance with the chain of custody document This analytical report must he reproduced in its entirety. <br /> All results listed in this report are for the exclusive use of the submitting party. BC Laboratories,inc.assumes no responsibility for report alteration,separation,detachment or third party interpretation Page 35 Of 36 <br /> . - . - . — .,.,.,moo ,�—,. 7 Anil T AY trAI%'297_1Q1R www hclabs.com a 9 <br />