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Laboratories .Inc. <br />Environmental Testing Laboratory Since 1949 <br />1 <br />Herst Associates Reported: 06/2112010 9:33 <br />4630 South Highway 94 North Outer Road Project: NCYC <br />Saint Charles, MO 63304 Project Number: [none] <br />Project Manager: Erin Fanning <br />i Volatile Organic Analysis (EPA Method 8260) 1 <br />0 <br />EConstituent <br />ple ID: 100830101 Client Sample Name: Well #4/CYA#4,6115!2010 10:26:OOAM, John Regan <br />MB Lab <br />Result Units PQL MDL Method Bias Quals Run # <br />Tetrachloroethene <br />NO <br />ug/L <br />0.50 <br />0.13 <br />EPA -8260 <br />NO <br />1 <br />Toluene <br />NO <br />ug/L <br />0.50 <br />0.093 <br />-EPA-8260 <br />EPA -8260 <br />NO <br />1 <br />1,2,4-Trichlorobenzene <br />- <br />NO <br />ug/L <br />0.50 <br />0.17 <br />- <br />NO <br />1 <br />1,1,1 -Trichloroethane <br />NO <br />ug/L <br />0.50 <br />0.081 <br />EPA -8260 <br />NO <br />1 <br />1,1,2 -Trichloroethane <br />ND <br />ug/L <br />0.50 <br />0.21 <br />EPA -8260 <br />NO <br />1 <br />Trichloroethene <br />NO <br />ug/L <br />0.50 <br />0.13 <br />EPA -8260 <br />NO <br />1 <br />Trichlorofluoromethane <br />NO <br />ug/L <br />0.50 <br />0.11 <br />EPA -8260 <br />NO <br />---._..-_.... -...... - .... <br />1 <br />1,2,3-Trichloropropane <br />NO <br />ug/L <br />1.0 <br />0.30 <br />EPA -8260 <br />NO <br />1 <br />Vinyl chloride <br />NO <br />ug/L <br />0.50 <br />0.14 <br />EPA -8260 <br />NO <br />1 <br />Total Xylenes <br />NO <br />ugiL <br />1.0 <br />0.26 <br />EPA -8260 <br />NO <br />1 <br />Acetone <br />NO <br />ug/L <br />10 <br />4.6 <br />EPA -8260 <br />NO <br />1 <br />Acrylonitrile <br />NO <br />ug/L <br />5.0 <br />1.2 <br />EPA -8260 <br />NO <br />1 <br />t -Amyl Methyl ether <br />NO <br />ug/L <br />0.50 <br />0.25 <br />EPA -8260 <br />NO <br />1 <br />t -Butyl alcohol <br />NO <br />ug/L <br />10 <br />9.4 <br />EPA -8260 <br />NO <br />1 <br />Carbon disulfide <br />NO <br />ug/L <br />1.0 <br />_--- -._.._. <br />0.35 <br />EPA -8260 <br />---Y4 <br />NO <br />1 <br />trans-l,4-Dichloro-2-butene <br />_._ND <br />- ug/L <br />5.0 <br />1.4 <br />EPA -8260 <br />NO <br />... __........ _______._._.... <br />�. .. <br />Diisopropyl ether <br />ND <br />ug/L <br />0.50 <br />0.19 <br />EPA -8260 <br />NO <br />j <br />Ethanol <br />NO <br />ug/L <br />250 <br />45 <br />EPA -8260 <br />NO <br />1 <br />Ethyl t -butyl ether <br />NO <br />uglL <br />0.50 <br />0.18 <br />EPA -8260 <br />NO <br />1 <br />NO <br />ug/L <br />10 <br />3.4 <br />EPA -8260 <br />NO <br />1 <br />'2-Hexanone <br />Methyl ethyl ketone <br />NO <br />ug/L <br />10 <br />2.5 <br />EPA -8260 <br />NO <br />Methyl iodide <br />NO <br />ug/L <br />2.0 <br />0.44 <br />EPA -8260 <br />NO <br />1 <br />1 <br />Methyl isobutyl ketone <br />NO <br />-- <br />ug/L <br />10 <br />�10 <br />2.1 <br />EPA -8260 <br />- <br />ND <br />----- <br />----.---_ -.- <br />Vinyl acetate-------� <br />NO <br />ug/L <br />2.4 <br />EPA -8260 <br />NO <br />1 <br />1,2-Dichlomethane-d4 (Surrogate) <br />114 <br />% <br />76 - 114 (LCL - UCL) <br />EPA -8260 <br />1 <br />Toluene -d8 (Surrogate) <br />98.7 <br />% <br />88 -110 (LCL - UCL) <br />EPA-8260- <br />4-Bromofluorobenzene (Surrogate) <br />97.9 <br />% <br />86 -115 (LCL - UCL) <br />EPA -8260 <br />1 <br />Run <br />QC <br />Run # Method <br />Pree Date <br />Date/Time Anal <br />t Instrument Dilution <br />Batch ID <br />1 EPA -8260 <br />06/16/10 <br />06/17/10 12:03 JCC <br />HPCHEM 1 <br />BTF1132 <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 <br />Laboratories, Inc. <br />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 <br />www.bclabs.com <br />Page 8 of 29 <br />