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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 Charles,MO 63304 Project Number: Lnone]__„__ <br /> __._ --.__.__._. _.. _._...._.. <br /> Project Manager: Erin Fanning <br /> Volatile organic Analysis (EPA Method 8260) <br /> BCL Sample ID: 1007291-09 Client Sample Name: Tripblank, 5/2612010 12:00:OOAM <br /> MB Lab <br /> Constituent Result units PQL MDL Method Bias Quals Run# <br /> Tetrachloroethene ND ug/L 0.50 0.13 EPA-8260 ND 1 <br /> - _ ....._..--.... <br /> ._.._..._..__- --- - - <br /> Toluene ND ug/L 0.50 0.093 EPA-8260 ND 1 <br /> 1,2,4-Trichiorobenzene ND ug/L - -0.50 -- 0.17 - EPA-8260 ND----------_-__-- 1 <br /> 1,1,1-Trichloroethane ND- ug/L 0.50 0.081 EPA-8260 ND 1 <br /> 1,1,2-Trichloroethane ND ug/L 0.50 0.21 EPA-8260 ND 1 <br /> Trichloroethene ND ug/L 0.50 0.13 EPA-8260 ND <br /> Trichlorofluoromethane NO ug/L 0.50 0.11 EPA-8260 ND 1 <br /> 1,2,3-Trichloropropane ND ug/L 1.0 0.30 EPA-8260 ND --1 - <br /> Vinyl chloride - ND ug/L 0.50 0.14 EPA-8260 ND <br /> Total Xylenes ND ug/L 1.0 0.26 EPA-8260 ND 1 <br /> Acetone ND ug/L 10 4,6 EPA-8260 ND <br /> Acrylonitrile ND ug/L 5.0 1.2 EPA-8260 ND 1 <br /> -..__........... <br /> . ...- -- ------- - -----. _ - __. --- ------ -.._._ <br /> t-Amyl Methyl ether ND ug/L 0.50 0.25 EPA-8260 ND 1 <br /> t-Butyl alcohol ND ug/L 10 9.4 EPA-8260 ND 1 <br /> _.-._.._.._.._-..._-.......-.._.._ -------------_..._._------------ _ <br /> Carbon disulfide ND ug/L 1.0 0.35 EPA-8260 ND <br /> trans-1,4-Dichloro-2-butene ND ug/L 5.0 1.4 EPA-8260 ND 1 <br /> Diisopropyl ether ND ua/L 0.50 0.19 EPA-8260 ND 1 <br /> Ethanol ND ug/L 250 45 EPA-8260 ND <br /> Ethyl t-butyl ether ND ug/L 0.50 0.18 EPA-8260 ND 1 <br /> 2-Hexanone ND ug/L 10 3.4 EPA-8260 ND 1 <br /> Methyl ethyl ketone ND ug/L 10 2.5 EPA-8260 ND 1 <br /> Methyl iodide ND ug/L 2.0 0.44 EPA-8260 ND 1 <br /> Methyl lsobutyi ketone ND ug/L 10 2.1 EPA-8260 ND 1 <br /> -.._.____._._-.---------- <br /> Vinyl acetate ND ug/L 10 2.4 EPA-8260 ND 1 <br /> 1,2-Dichloroethane-d4(Surrogate) 105 % 76-114 (LCL-UCL) EPA-8260 1 <br /> Toluene-d8(Surrogate) 92.2 % 88-110 (LCL-UCL) EPA-8260 1 <br /> 4-Bromofluorobenzene(Surrogate) 90.1 % 86-115 (LCL-UCL) EPA-8260 <br /> Run QC <br /> un Method Pre Date Date/Time Analyst Instrument Dilution Batch ID <br /> 1 EPA-8260 06/03/10 06/03/10 13:24 MGC MS-V5 1 BTF0238 <br /> 1 <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 to its entirely. <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 <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bc[abs.com Page 24 of 32 <br />