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Laborat�L�!bo�ra�to�ry!Tce�1949 <br />Environmental Testi <br />Herst Associates Reported: 07/21/2010 16:44 <br />4630 South Highway 94 North Outer Road Project: NCYC <br />Saint Charles, MO 63304 Project Number: [none] <br />Project Manager: Erin Fanning <br />Volatile Organic Analysis (EPA Method 8260) <br />BCL Sample ID: 1009909-09 Client Sample Name: Trip Blank, 7/15/2010 12:00:OOAM <br />MB Lab <br />Constituent Result Units PQL MDL Method Bias Quals Run # <br />Tetrachloroethene <br />ND <br />ug/L <br />0.50 0.13 <br />EPA -8260 <br />ND <br />Toluene <br />ND <br />ug/L <br />0.50 0.093 <br />EPA -8260 <br />ND <br />1 <br />' <br />1,2,4-Trichlorobenzene <br />ND <br />ug/L <br />0.50 0.19 <br />EPA -8260 <br />ND <br />1 <br />1,1,1 -Trichloroethane <br />ND <br />ug/L <br />0.50 0.11 <br />EPA -8260 <br />ND <br />1 <br />1 <br />1,1,2 -Trichloroethane <br />ND <br />ug/L <br />0.50 0.16 <br />EPA -8260 <br />ND <br />Trichloroethene <br />ND <br />ug/L <br />0.50 0.085 <br />EPA -8260 <br />ND <br />1 <br />Trichlorofluoromethane <br />ND <br />ug/L <br />0.50 0.13 <br />EPA -8260 <br />ND <br />1,2,3-Trichloropropane <br />ND <br />ug/L <br />1.0 0.24 <br />EPA -8260 <br />ND <br />1 <br />- <br />Vinyl chloride <br />ND <br />ug/L <br />0.50 0.12 <br />EPA -8260 <br />ND <br />1 <br />Total Xylenes <br />ND <br />ug/L <br />1.0 0.36 <br />EPA -8260 <br />ND <br />1 <br />Acetone <br />ND <br />ug/L <br />10 4.6 <br />- <br />EPA -8260 <br />_ <br />ND <br />1 <br />Acrylonitrile <br />t -Amyl Methyl ether <br />t -Butyl alcohol <br />ND <br />ND <br />ND <br />ug/L <br />ug/L <br />ug/L <br />5.0 1.2 <br />0.50 0.25 <br />10 9.4 <br />EPA -8260 <br />EPA -8260 <br />EPA -8260 <br />ND <br />ND <br />ND <br />1 <br />1 <br />1 <br />Carbon disulfide <br />ND <br />ug/L <br />1.0 0.38 <br />EPA -8260 <br />ND <br />1 <br />trans-1,4-DichIoro-2-butene <br />ND <br />ug/L <br />5.0 1.4 <br />EPA -8260 <br />ND <br />1 <br />Diisopropyl ether <br />ND <br />ug/L <br />0.50 0.23 <br />EPA -8260 <br />ND <br />1 <br />Ethanol <br />ND <br />ug/L <br />250 50 <br />EPA -8260 <br />ND <br />1 <br />Ethyl t -butyl ether <br />ND <br />-- - <br />ug/L <br />---- <br />0.50 0.18 <br />---------- <br />EPA -8260 <br />----.--.-...---- <br />ND <br />1 <br />2-Hexanone <br />ND <br />ug/L <br />10 3.4 <br />EPA -8260 <br />ND <br />1 <br />' <br />Methyl ethyl ketone_ <br />ND <br />ug/L <br />10 2.5 <br />EPA -8260 <br />ND <br />1 <br />Methyl iodide <br />ND <br />ug/L <br />2.0 0.47 <br />EPA -8260 <br />ND <br />Methyl isobutyl ketone <br />ND <br />ug/L <br />10 2.1 <br />EPA -8260 <br />ND <br />1 <br />Vinyl acetate <br />ND <br />ug/L <br />10 1.8 <br />_ <br />EPA -8260 <br />- <br />ND <br />1 <br />1,2-Dichloroethane-d4 (Surrogate) <br />92.1 <br />% <br />76-114 (LCL - UCL) <br />EPA -8260 <br />Toluene -d8 (Surrogate) <br />99.9 <br />% <br />88 - 110 (LCL - UCL) <br />EPA -8260 <br />1 <br />_ <br />4-Bromofluorobenzene (Surrogate) <br />_ <br />95.7 <br />% <br />86-115 (LCL - UCL) <br />- <br />EPA -8260 <br />Run # Method <br />Prep Date <br />Run <br />Date/Time <br />Analyst Instrument Dilution <br />QC <br />Batch ID <br />1 EPA -8260 <br />07/20/10 <br />07/20/10 19:33 JSK HPCHEM 1 <br />BTG 1160 <br />' <br />The results in this report apply to the samples analyzed in accordance with the chain of custody document. Phis 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 Laboratories, Inc. assumes no responsibility for report alteration, separation, detachment or third parry interpretation. <br />4100 Atlas Court Bakersfield, CA 93308 (661) 327-4911 FAX (661) 327-1918 www.bclabs.com <br />Page 24 of 29 <br />