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Laboratories Inc. <br />Environmental Testing Laboratory Since 1949 <br />Herst Associates Reported: 06/21/2010 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 />Volatile Organic Analysis (EPA Method 8260) <br />BCL Sample ID: 1008301-03 j Client Sample Name: Well #1 /CYA #1, 6/15/2010 10:40:OOAM, John Regan <br />MB lab <br />Constituent Result Units PQL MDL Method Bias Quals Run # <br />Tetrachloroethene <br />5.0 <br />ugfL <br />0.50 <br />0.13 <br />EPA -8260 <br />ND <br />1 <br />Toluene <br />NO <br />ug/L <br />0.50 <br />0.093 <br />EPA -8260 <br />NO <br />- _ <br />1,2,4-Trichlorobenzene <br />NO <br />ug/L <br />0.50 <br />0.17 <br />EPA -8260 <br />NO <br />1 <br />1,1,1 -Trichloroethane <br />ND <br />ug/L <br />0.50 <br />0.081 <br />EPA -8260 <br />NO <br />1 <br />1,1,2 -Trichloroethane <br />NO <br />ug/L <br />0,50 <br />0.21 <br />EPA -8260 <br />NO <br />1 <br />Trichloroethene - -.._.- <br />---------- <br />- 1.0 <br />-- <br />ug/L <br />0.50 <br />--_._.__.__..___.__.___.._.____....._.....-._.......---._ <br />0.13 <br />EPA -8260 <br />...... <br />ND <br />.... _.__.._.._.______.__ <br />- -- <br />Trichlorofluoromethane <br />0.40 <br />ug/L <br />0.50 <br />0.11 <br />EPA -8260 <br />NO <br />1,2,3-Trichioropropane <br />NO <br />ug/L <br />1.0 <br />0.30 <br />-- <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 />ug/L <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 />t -Amyl Methyl ether <br />NO <br />NO <br />ug/L <br />ug/L <br />5.0 <br />0.50 <br />1.2 <br />0.25 <br />EPA -8260 <br />EPA -8260 <br />NO <br />NO <br />1 <br />1 <br />t -Butyl alcohol <br />----- <br />NO <br />ug/L <br />10 <br />...._....._......._.........._.._. <br />9.4 <br />EPA -6260 <br />NO <br />1 <br />Carbon disulfide <br />------- <br />NO <br />--- - - <br />ug/L <br />- - --._...----------- <br />1.0 <br />0.35 <br />EPA -8260 <br />NO <br />1 <br />trans-1,4-Dichloro-2-butene <br />NO <br />ug/L <br />5.0 <br />1.4 <br />EPA -8260 <br />NO <br />1 <br />Diisopropyl ether <br />NO <br />ug/L <br />0.50 <br />0.19 <br />EPA -8260 <br />NO <br />1 <br />Ethanol <br />NO <br />ug/L <br />250 <br />45 <br />EPA -8260 <br />ND <br />Ethyl t -butyl ether <br />NO <br />ug/L <br />0.50 <br />0.18 <br />EPA -8260 <br />NO <br />- <br />1 <br />2-Hexanone <br />NO <br />ug/L <br />10 <br />3.4 <br />EPA -8260 <br />NO <br />1 <br />__-- <br />Methyl ethyl ketone <br />-._.__._.-_. <br />NO <br />ug/L <br />10 <br />2.5 <br />EPA -8260 <br />- - <br />NO <br />---. ...............-- <br />1 <br />- - <br />Methyl iodide <br />NO <br />ug/L <br />2.0 <br />0.44 <br />EPA -8260 <br />NO <br />Methyl isobutyl ketone <br />NO <br />ug/L <br />10 <br />2.1 <br />EPA -8260 <br />NO <br />1 <br />Vinyl acetate <br />-- _-- <br />NO <br />---..__ --------_-..-_-_--- <br />ug/L <br />10 <br />2.4 <br />EPA -8260 <br />NO <br />1,2-Dichloroethane-d4 (Surrogate) <br />110 <br />% <br />76,114 (LGL <br />- UCL) <br />EPA -8260 <br />1 <br />- _..- -- - ._ -- ---- <br />Toluene -d8 (Surrogate) <br />- - <br />102 <br />----- <br />% <br />- - ---- <br />88-110 (LCL - UCL) <br />- - <br />EPA -8260 <br />- .. _ --------- --- <br />....... __...... ..._.- <br />1 <br />-- <br />4-Bromofluorobenzene (Surrogate) <br />95.6 <br />_ - <br />% <br />86-115 (LCL - UCL) <br />EPA -8260 <br />- -- <br />FRun <br />Run <br />QC <br /># Method <br />Prep Date <br />DatefClme Analyst <br />Instrument Dilution <br />Batch 1D <br />1 EPA -8260 <br />06/16/10 <br />06/17/10 12:44 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 Laboratories, Inc. assumes no responsibility for report alteratioq separation, detachment or third party interpretation <br />4100 Atlas Court Bakersfield, <br />CA 93308 (661) 327-4911 FAX <br />(661) 327-1918 <br />www.bclabs.com <br />Page 12 of 29 <br />