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Laboratories Inc. <br /> Environmental Tesflng 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 [none] <br /> Project Manager. Ern.Panning <br /> Volatile Organic Analysis (EPA Method 8260) <br /> BCL Sample ID: 1007291-01 Client Sample Name: Well#2/CYA#2, 5/26/2010 8:37:OOAM, Erin f=anning <br /> MB Lab <br /> Constituent Result Units PQL MDL Method Bias u is Run# <br /> Tetrachloroethene 6.9 uglL 0.50 0.13 EPA-8260 NO 1 <br /> _- ------------------ - --- <br /> Toluene ND ug/L 0.50 0.093 EPA-8260 NO 1 <br /> 1,2,4-Tdchlorobenzene NO uglL 0.50 0.17 EPA-8260 NO <br /> 1,1,1-Trichloroethane NO ug/L 0.50 0.081 EPA-8260 NO <br /> ---^- -- <br /> --- -... ------ --------- ._...-._..-._..-._.... <br /> 1,1,2-Trichloroethane NO ug/L 0`50 0.21 EPA-8260- NO <br /> Trichloroethene 1.8 ug/L 0.50 0.13 EPA-8260 NO 1 <br /> Trichlorofluoromethane 0.44 ug/L 0.50 0.11 EPA-8260 NO J 1 <br /> 1,2,3-Trichloropropane NO ug/L 1.0 0.30 EPA-8260 NO { <br /> Vinyl chloride NO ug/L 0.50 0.14 EPA-8260 NO 1 <br /> Tota!Xylenes NO ug/L 1.0 0.26 EPA-8260 NO 1 <br /> Acetone NO ug/L 10 4.6 EPA-8260 NO 1 <br /> Acrylonitrile NO ug/L 5.0 1.2 EPA-8260 NO 1 <br /> t-Amyl Methyl ether NO ug/L 0.50 0.25 EPA-8260 NO 1 <br /> ---------------- <br /> t-Butyl <br /> -----t-Butyl alcohol NO ug/L 10 9.4 EPA-8260 NO <br /> _-- ------------ -- <br /> Carbon disulfide NO ug/L 1.0 0.35 EPA-8260 NO 1 -_ <br /> trans-1,4-Dichioro-2-butene - --- NO uglL 5.0 1.4 EPA-8260 NO 1 <br /> Diisopropyl ether NO ug/L 0.50 0.19 EPA-8260 NO 1 <br /> Ethanol NO ug/L 250 45 EPA-8260 NO - <br /> Ethyl t-butyl ether NO ug/L 0.50 0.18 EPA-8260 NO 1 <br /> 2-Nexanone --_-- _ -- ND......______ ug/L 10 - 3.4 EPA-8260- ----NO ------ 1 -- <br /> Methyl ethyl ketone NO ug/L 10 2.5 EPA-8260 ND 1 <br /> - .. ------------ <br /> Methyl <br /> --Methyl iodide NO ug/L 2.0 0.44 EPA-8260 NO 1 <br /> Methyl isobutyl ketone _- NO ug/L - 10 2.1 EPA-8260 NO --- - - - <br /> Vinyl acetate NO ug/L 10 2.4 EPA-8260 NO 1 <br /> 1,2-Dichloroethane-d4(Surrogate) 100 % 76-114 (LCL-UCL) EPA-8260 1 <br /> Toluene-d8(Surrogate) _96.0 --% 88-110 (LCL-UCL) EPA-8260__, <br /> 4-Bromofluorobenzene(Surrogate) 89.5 % 86-115 (LCL-UCL) EPA-8260 <br /> Run Qc <br /> Run Method Prep Date Date/Time Analyst Instrument Dilution Batch ID <br /> 1 EPA-8260 06/02/10 06/03/10 01:50 MGC MS-V5 1 STF0199 <br /> The results in this report apply to the samples analyzed to 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,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com Page 8 of 32 <br />