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Environmental Testing Laboratory Since 1949 <br /> Project: NCYC Reported: 06/24/2008 10:54 <br /> Herst Associates <br /> 4630 South Highway 94 North Outer Road Project Number: [none] <br /> Saint Charles, MO 63304 Project Manager: David Vasbinder <br /> Volatile Organic Analysis (EPA Method260) <br /> BCL Sample ID: 0807993-05 Client Sample Name: Well#1/CYA#1,6/18/2008 1:55:OOPM, David Vasbinder <br /> Prep Run Instru- QC MB Lab <br /> Constituent Result Units PPL MDL Method Date Date/Time Anal sk mentlD Dilution Satchle Bias Quals <br /> t-Butyl alcohol NO ug/L 10 9.2 EPA-8260 06/23/08 06/23/08 17:56 MGC MS-V5_ 1 BRF1328 ND — - <br /> Carbon disulfide ND ug/L 1.0 0.40 EPA 8260 06/23/08 06/23108 17:56 MGC MS V5 -- <br /> - —. <br /> — — —. —. .- <br /> trans 1,4-Dichloro-2 butene ND ug1L 5.0 1.4 EPA-8260 06/23/08 06/23/08 17:56 MGC MS-V5 1 BRF1328 —NO — - <br /> - - — <br /> —_.. <br /> Diisopropyl ether ND ug/L 0.50 0 18 EPA 8260 06!23/08 06!23/08 17.56 MGC MS V5_1 - BRF1328 ND- <br /> — — <br /> Ethanol NO uglL 250 57 EPA 8260 06/23/08 06123108 17:56 MGC MS-v5 V 1— BRF1328—— -_....- <br /> Ethyl t-butyl ether ND ug/L 0.50 0 22 EPA 8260 06/23/08 06/23/08 17:56 MGC MS-V5 1 BR <br /> Ethyl <br /> _ — <br /> 8 NO <br /> --- <br /> NO ug/t. 10 2 5 EPA-8260 06/23/08 06/23/08 17:56 MG —— <br /> C MS-V5 1 ..BRF13 -- <br /> 2-Hexanone _ — <br /> _ — — — <br /> Methyl ethyl ketone NO <br /> ug/L 10 2.4 <br /> EPA-8260 06/23/08 06/23108 17:56 MGC MS-V5 1 BRF1328 — <br /> t <br /> " Methyl iodide <br /> NO ug/L 2.0 0.42 EPA 8260 06/ ND <br /> 23/08 06123/08 17:56 MGC MS-V5 <br /> _._--- <br /> Methyl isobutyl ketone NO ug/L 10 3 4 EPA 8260 06/23/08 06/23/08 17:56 MGC MS V5 1 BRF1328— J <br /> /._ --.- - — NO <br /> Vinyl acetate ND ug/L 10 2.5 EPA 8260 06/23/08 06/23/08 17:56 MGC MS-V5 1 BRF1328 <br /> -- <br /> — —— —. <br /> i 4 (LCL-UCL) EPA 8260 06/23/08 06/23108 17:56 <br /> 1,2 Dichloroethane-d4(Surrogate) 108 % 76-11MGC MS-V5 1 BRF1328 <br /> — — — <br /> Toluene-d8(Surrogate) 101 % 88 110 (LCL-„UCL) EPA 8260 06/23/08 06/23/08 17:56 MGC MS-V5— 1 BRF1328 <br /> 4-Bromofluorobenzene(Surrogate) 101 % 86 115 (LGL-UCL) EPA 8260 06/23/08 06/23/08 17:56 MGC MS V5 1 _ — <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 subrnittiuk party. BC laboratories,Inc.assmnes uo responsibility for report alteration,separation,detachment or third party interpretation. Page 18 of 36 <br /> ..__ ... PAY(ARWA97_f91R wwwhclabs.com <br />