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Laboratories Inc. <br /> Environmental Testing Laboratory Since 1949 <br /> Herst Associates Reported: 06/09/2010 7:31 <br /> 4630 South Highway 94 North Outer Road Project NCYC <br /> Saint C 1.harles, MO 63304 Project Number jnone] <br /> - Project Manager. Erin Fanning <br /> Volatile Organic Analysis (EPA Method 8260) <br /> Quality Control Report - Method Blank Analysis <br /> Constituent QC Sample ID MB Result Units PQL MDL Lab Quals <br /> QC Batch ID: BTF0238 <br /> ' Chloroethane BTF0238-BLK1 ND ug/L 0.50 0,11 <br /> ------ ----- <br /> Chloroform BTF0238-BLK1 ND ug/L 0.50 0.072 <br /> Chloromethane BTF0238-BLK1 ND ug/L 0.50 0.11 <br /> Dibromochloromethane BTF0238-BLK1 ND ug/L 0.50 -- 0.077 <br /> 1,2-Dibromo-3-chloropropane BTF0238-BLK1 ND ug1L 1.0 0.44 <br /> 1,2-Dibromoethane BTF0238-BLK1 ND ug/L 0.50 0.16 <br /> Dibromomethane BTF0238-BLK1 ND ug/L 0.50 0.19 <br /> 1,2-Dichlorobenzene BTF0238-BLK1 ND ug/L 0.50 0,068 <br /> 1,3-Dichlorobenzene BTF0238-BLKI ND ug/L 0.50 0.060 <br /> 1,4-Dichlorobenzene BTF0238-BLK1 ND ug/L 0.50 0.083 <br /> _._,-_ ..- --- ---- -- -- --_......._._..-- -- --_.- <br /> Dichlorodifluoromethane BTF0238-BLK1 ND ug/L 0.50 0.11 <br /> 1,1-Dichloroethane BTF0238-BLK1 ND ug/L 0.50 0.081 <br /> 1,2-Dlchloroethane - -- --BTF0238-BLK1 -- ND ug/L - -^- 0.50 0.14 <br /> 1,1-Dichloroethene BTF0238-BLK1 ND ug/L 0.50 0.12 <br /> cls-1,2-Dichloroethene BTF0238-BLK1 ND ug/L 0.50 0.11 <br /> trans-l,2-Dichloroethone BTF0238-BLK1 ND ug/L 0.50 _ - 0.097 - - <br /> 1,2-Dichloropropane �- BTF0238-BLK1 ND ug/L 0.50 0.12 <br /> 1,3-Dichloropropane BTF0238-BLK1 ND ug/L 0.50 0.099 <br /> trans-1,3-Dichloropropene BTF0238-BLK1 ND ug/L 0.50 0.079 <br /> Ethyibenzene BTF0238-BLK1 ND ug/L 0.50 0.12 <br /> Hexachlombutadiene BTF0238-BLK1 ND ug/L 0.50 0.12 <br /> Methylene chloride BTF0238-BLK1 ND ug/L 1.0 0.50 <br /> Methyl t-butyl ether BTF0238-BLKI ND ug/L 0.50 0.11 <br /> Naphthalene BTF0238-BLK1 ND - ug/L 0.50 0.36 <br /> Styrene STF0238-BLK1 ND ug/L 0.50 0.093 <br /> 1,1,2,2-Tetrachloroethane BTF0238-BLK1 ND ug,'L 0.50 0.14 <br /> Tetrachloroethene STF0238-BLK1 ND ug/L 0.50 0.13 <br /> Toluene BTF0238-BLK1 ND ug/L 0.50 0.093 <br /> ' 1,2,4-Trichiorobenzene BTF0238-BLK1 ND ug/L 0.50 0.17 <br /> 1,1,1-Trichloroethane BTF0238-BLK1 ND ug/L 0.50 0.081 <br /> 1,1,2-Trichloroethane BTF0238-BLK1 ND ug/L 0.50 0.21 <br /> Trichloroethene BTF0238-BLK1 ND ug/L 0.50 0.13 <br /> Trichlorofluoromethane BTF0238-BLK1 ND ug/L 0.50 0.11 <br /> _---- ---------- _-. __ -_ _..._ ---------_ <br /> 1,2,3-Trichloropropane BTF0238-BLK1 ND ug/L 1.0 0.30 <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 /> Ail results listed in this report are for the exclusive use of the submitting party BC Laboratories,Inc.assumes no responsibility for report alteration;sqti..k detaohmeut or third party interpretation <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com Page 27 of 32 <br />