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Laboratories, Inc. W . <br /> Environmental Testing Laboratory Since 1949 <br /> Herst Associates Project: NCYC Reported: 03/24/2009 11:14 <br /> 4630 South Highway 94 North Outer Road Project Number: Monthly <br /> Saint Charles,MO 63304 Project Manager: David Vasbinder <br /> Volatile Organic Analysis (EPA Method 8260) <br /> Quality Control Report - Method Blank Analysis <br /> lConstituent, Batch ID QC Sample ID MB Result Units PQL MDL Lab Quaffs <br /> 1,3-DichloropropaneBSC1391 BSC1391-BLKI <0.50 ug/L -- -- 0.50 <br /> ---------- ------ <br /> trans-1,3-Dichloropropene BSC1391 BSC1391-BLKI <0.50 ug/L <br /> ----------------- ------- <br /> EthylbertzeneBSC1 391 BSC1391-BLK1 <0.50 ug/L 0:-5,0---- <br /> ----------- .................. <br /> Hexachlorobutadiene BSC1391 BSC1391-BLK1 <0.50 ug/L 0.50 <br /> .................. <br /> Methylene chloride <br /> BSC1391 BSC1391-BLK1 <1.0 ug/L 1.0 --------------- <br /> ................. -------- <br /> Methyl t-butyl etherBSC1391 BSC1391-BLK1 <0.50 ug/L 0.50 <br /> ---------- ...... <br /> ..................... <br /> Naphthalene <br /> BSC1391 BSC1391-BLKI <0.50 ug/L 0.50 <br /> ------------- --- <br /> Styrene --------- <br /> BSC1391 BSC1391-BLK1 <0.50 ug/L 0.50 <br /> ------ ............... <br /> ........... <br /> 1,1,2,2-TetrachloroethaneBSC1391 BSC1391-BLK1 <0.50 ug/L 0.50 <br /> ------------------------------- ------ <br /> Tetrachloroethene <br /> BSC1391 BSC1391-BLK1 <0,50 ug/L 0.50 <br /> ...... ............................... <br /> Toluene BSC1391 BSC1391-BLKI <0.50 ug/L 0.50 <br /> 1,2,4-Tdchloroberizene BSC1391 BSC1391-BLK1 <0.50 ug/L 0.50 <br /> BSC1391 BSC1391-BLKI <0 50 ug/L 0.50 <br /> 1,1,1-Trichloroethane ----------....... <br /> BSC1391 BSC1391-BLK1 <0.50 ug/L 0.50 <br /> 1,1,2-Trichloroethane ............. -.......... <br /> - <br /> Trichloroethene --------- <br /> BSC1391 BSC1391-BLK1 <0.50 ug/L 0.50 <br /> ----------- <br /> Trichlorofluoromethane ---- --- <br /> ----------------- ........ BSC1391 BSC1391-BLK1 <0.50 ug/L 0.50 <br /> ............ ------------- .......1 BSC1391-BLK1 <1.0 ug/L... ---------- <br /> BSC1391 .................. <br /> ------------ <br /> BSC1 <br /> Vinyl chloride ------- <br /> 391 BSC1391-BLK1 <0.50 ug/1- 0.50 <br /> Total Xylenes BSC1391 BSC1391-BLK1 <1.0 ugfL1.0 <br /> --------------- ........... ............. <br /> Acetone BSC1391 BSC1391-BLKI <10 ug/L 10 <br /> Acrylonitrile BSC1391 BSC1391-BLK1 <5.0 ug/L 5.0 ............................. <br /> .............. <br /> ........------ <br /> t-Amyl Methyl etherBSC1391 BSC1391-BLK1 <0.50 ug/L 0.50 <br /> -----------......... <br /> t-Butyl alcohol BSC1391 BSC1391-BLK1 <10 ug/L 10 Z <br /> ............ ------------------- ------ ------------------- <br /> BSC1391 BSC1391-BLKI ug/L 1.0 <br /> Carbon disulfide ......-------------- <br /> .......... <br /> The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. <br /> All results listed in this report are for the exclusive use of the submittinit party. BC Laboratories,Inc.assumes no responsibility for report alteration,separation,detachment or third party interpretation. <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www,bdabs,com Page 34 of 36 <br /> Certifications: California-ELAP Certification Number 1186; Nevada Administrative Code-NAC-445A <br />