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Laboratories, Inc.- 1, I- <br /> :-W- Environmental Testing Laboratory Since 1949 <br /> Herst Associates Project: Austin Road/NCYCC Drilling Reported: 12/19/2008 13:17 <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 /> Quality Control Report - Method Blank Analysis <br /> lConstituent Batch ID QC Sample ID MB Result Units PQL MDL Lab=,Quals <br /> 1,3-Dichloropropane BRL0791 BRL0791-BLK1 ND ug/L 0.50 0.095 <br /> 2,2-Dichloropropane BRL0791 BRL0791-BLK1 ND ug/L 0.50 0.1E <br /> 1,1-Dichloropropene BRL0791 BRL0791-BLK1 ND ug/L 0.50 0.18 <br /> cis-1,3-Dichtoropropene BRL0791 BRL0791-BLK1 ND ug/L 0.50 0.-19 <br /> trans-1,3-Dichloropropene BRL0791 BRL0791-BLK1 ND ug/L 0.50 0.13 <br /> Ethylbenzene BRL0791 BRL0791-BLKI ND ug/L 0.50 0.16 <br /> Hexachlorobutadiene BRL0791 BRL0791-BLK1 ND ug/L 0.50 0.26 <br /> Methylene chloride BRL0791 BRL0791-BLK1 ND ug/L 1.0 0-27__ <br /> Naphthalene BRL0791 BRL0791-BLK1 ND ug/L 0.50 0.30 <br /> Styrene BRL0791 BRL0791-BLKI ND ug/L ().50 0.18 <br /> 1,1,1,2-Tetrachloroethane BRL0791 BRL0791-BLK1 ND ug/L 0.50 0.14 <br /> 1,1,2,2-Tetrachloroethane BRL0791 BRL0791-BLK1 ND ug/L 0.50 0.28 <br /> Tetrachloroethene BRL0791 BRL0791-BLK1 ND ug/L 0.50 0.28 <br /> Toluene BRL0791 BRL0791-BLK1 ND ug/L 0.50 0.12 <br /> 1,2,4-Trichlorobenzene BRL0791 BRL0791-BLKI ND ug/L 0.50 031 <br /> 1,1,1-Trichloroethane BRL0791 BRL0791-BLK1 ND ug/L 0.50 0.18 <br /> 1,1,2-Trichloroethane BRL0791 BRL0791-BLKI ND ug/L 0.50 0.44 <br /> Trichloroethene BRL0791 BRL0791-BLKI ND ug/L 0.50 0.16 <br /> Trichlorofluoromethane BRL0791 BRL0791-BLKI ND ug/L 0.50 0.22 <br /> 1,2,3-Trichloropropane BRL0791 BRL0791-BLK1 ND ug/L 1.0 0.43 <br /> Vinyl chloride BRL0791 BRL0791-BLKI ND ug/L 0.50 0.16 <br /> Total Xylenes BRL0791 BRL0791-BLKI ND ug/L 1.0 0.53 <br /> Acetone BRL0791 BRL0791-BLKI ND ug/L 10 7.4, <br /> Acetonitrile BRL0791 BRL0791-BLKI ND ug/L 10 5.2 <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 submitting party. BC Lab" es no respon-ibilitv for report alteration,separation,detachment or third party interpretation. <br /> 4100 Atlas Court Bakersfield,CA 93308 (*7 �J age 43 of 54 <br /> N �149 1 FAX(661)327-1918 wwwbclabs.com <br /> 8( <br /> Certifications: California-ELAP Certification N 1186; Nevada Administrative Code-NAC-445A <br />