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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: jnonej <br /> ------- ---- -._...._ _ ... . .... ..... .._ . <br /> Project Manager: Erin Fanning <br /> Volatile Organic Analysis (EPA Method 8264) <br /> SOL Sample ID: 1007291-05 Client Sample Name: Well#4/CYA#4,5/2612010 9:04:00AM, Erin Fanning <br /> MB Lab <br /> Constituent Result Units PPL MDL Method Bias Qualls Run# <br /> Tetrachloroethene 0.89 ug/L 0.50 0.13 EPA-8260 ND 1 <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 - NO 1 <br /> 1,1,2-Trichloroethane ND ug/L 0.50 0.21 EPA-8260 NO 1 <br /> Trichloroethene 0.27 ug/L 0.50 0.13 EPA-8260 ND J 1 <br /> Trichlorofluoromethane 0.15 ug/L 0.50 - 0.11 EPA-8260 ND J 1 <br /> 1,2,3-Trichloropropane ND ug/L 1.0 0.30 EPA-8260 NO 1 <br /> Vinyl chloride NO ug/L 0.50 0.14 EPA-8260 NO <br /> Total Xylenes ----- ND ug/L, -- 1.0 0.26 EPA-8260 NO _-- <br /> Acetone ND ug/L 10 4.6 EPA-8260 ND <br /> Acrylonitrile ND ug/L 5.0 1.2 EPA-8260 NO 1 <br /> --- - ---- - - - _ _ _ ------- - --------------------- <br /> t-Amyl Methyl ether NO ug/L 0.50 0.25 EPA-8260 NO 1 <br /> _ - ---- .._.____...__..._. ---------- <br /> t-Butyl <br /> ---- -- --...._.. -- --- - ----- --- -- ------ <br /> t-Butyl alcohol NO ug/L 10 9.4 EPA-8260 NO 1 <br /> --- ---_------ <br /> Carbon <br /> __---- ...-- <br /> Carbon disulfide NO ug/L 1.0 0.35 EPA-8260 NO 1 <br /> -- _ _ _ _......... ---- <br /> trans-l,4-Dichloro-2-butene NO ug/L 5.0 1,4 EPA-8260 ND 1 <br /> Dlisopropyi ether ND ug/L 0.50 0.19 EPA-8260 NO <br /> Ethanol NO ug/L 250 45 EPA-8260 ND 1 <br /> -- _ .----•------ -- ..__.- --- - - -- - - <br /> Ethyl t-butyl ether NO ug/L 0.50 0.18 EPA-8260 NO 1 <br /> 2-Hexanone NO ug/L 10 3.4 EPA-8260 NO 1 <br /> Methyl ethyl ketone NO ug/L 10 2.5 EPA-8260 NO 1 <br /> Methyl iodide NO ug/L 2.0 0.44 EPA-8260 ND 1 <br /> Methyl isobutyi ketone ND ug/L 10 2.1 EPA-6260 NO 1 <br /> - ----------------- - <br /> Vinyl acetate ND ug/L 10 2.4 EPA-8260 NO 1 <br /> 1,2-Dichioroethene-d4(Surrogate) 114 % 76-114 (LCL-UCL) EPA-8260 1 <br /> Toluene-d8(Surrogate) 89.2 % 88-110 (LCL-UCL) EPA-8260 1 <br /> .... - _ _ - <br /> 4-Bromofiuorobenzene(Surrogate) 86.6 % 86-115 (LCL-UCL) EPA-8260 1 <br /> Run oC <br /> Run# Method Prep Date Date/Time Anal t Instrument Dilution Batch ID <br /> 1 EPA-8260 06/07/10 06/03/10 03:45 MGC MS-V5 1 BTF0199 <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 resuits 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.bclabs.com Page 16 of 32 <br />