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LABORATORIES, INC. <br /> Herst Associates Project: NCYC Reported: 03/03/2008 14:50 <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 Method8260) <br /> BCL Sample ID: 0802520-09 Client Sample Name: Trip Blank,2/2212008 12:00:00AM <br /> Prep Run Instru- QC MB Lab <br /> Constituent Result Units PQL IIOIDL Method Date Date/Time Analyst ment lD Dilution Batch lD Blas Quals <br /> t-Butyl alcohol NO ug1L 10 8.6 EPA-8260 02/27/08 02/28/08 23:14 MGC MS-V5 1 BRB1714 NO <br /> - _.. _..............._. __........_........- --__._..........--...... — <br /> Carbon disulfide ND ug/L 1.0 0.40 EPA-8260 02/27/08 02/28/08 23:14 MGC MS V5 1 BRB1714 ND <br /> -------—. - ----...._..... —..........-- ..._.. ..._._.............__ <br /> trans-1,4-Dichioro-2-butene ND ug/L 5.0 2.0 EPA-8260 02/27/08 02/28/08 23:14 MGC MS-V5 1 BRB1714 NO <br /> _.- ..__........--.._. -------._.... <br /> Diisopropyl ether ND ug/L 0.50 0.18 EPA-8260 02/27/08 02/28/08 23:14 MGC MS-V5 1 BRB1714 ND <br /> ._.------ ........... - . .....__.— _..__..._...__ ....-__...__—_._..........- -----__ ........_... - - --- ........._------- ...................-._.. _ <br /> Ethanol ND ug/L 250 57 EPA-8260 02/27/08 02/28/08 23:14 MGC MS-V5 1 BRB1714 ND <br /> -._.—._.._.-...........---.._.........-.............- -.......---............... _ ...... ..._.._....._...._.__—.-...._...._...............--...-- -- - _ - ----- -- <br /> Ethyl t-butyl ether ND ug/L 0.50 0.22 EPA-8260 02/27/08 02/28/08 23:14 MGC MS-V5 9 BRB1714... NO <br /> -- --......_....... ------ - -.......... <br /> 2-Hexanone NO ug/L 10 2.5 EPA-8260 02/27/08 02/28/08 23:14 MGC MS-V5 1 BRB1714 ND <br /> _..__............. ................-.__._._....._.._..._—.--......--------- _......__....-..._................. .-- -.........._...... - - -..—._.._._- _ <br /> Methyl ethyl ketone ND ug/L 10 1.6 EPA-8260 02/27/08 02/28/08 23:14 MGC MS-V5 1 BRB1714 NO <br /> -_-- - _ _ - ._._... ..................._ _ .............-...--- ----------- --__.......................... <br /> Methyl Iodide ND ug/L 2.0 0.42 EPA-8260 02/27/08 02/28/08 23:14 MGC MS-V5 1_._.._._. BRB1714. ND <br /> ..-_ _._ ------ --._.-.......... <br /> -- ----- -— ............._ .. _ —....__. <br /> Methyl isobutyl ketone ND ugiL 10 3.4 EPA-8260 02/27/08 02128/08 23:14 MGC MS-V5 1 BRB1714 ND <br /> _............_... <br /> Vinyl acetate ND ug/L 10 3.1 EPA-8260 02/27/08 02/28/08 23:14 MGC MS-V5 1 BRB1714 ND <br /> -- ---.....__........-......-_- <br /> 1,2-Dichloroethane-d4(Surrogate) 104 % 76-114 (LCL-UCL) EPA-8260 02/27/08 02/28/08 23:14 MGC MS-V5 1 BRB1714 <br /> _.—.--- ._............._.-._._..__ _—_ —._.._._.._....-- ...... -------..........._........... <br /> Toluene-d8(Surrogate) 101 % 88-110 (LCL-UCL) EPA-8260 02/27/08 02/28/08 23:14 MGC MS-V5 1 BRB1714 <br /> .......-------------------------_............. <br /> - <br /> 4-Bromofluorobenzene(Surrogate) 101 % 86-115 (LCL-UCL) EPA-8260 02/27/08 02/28/08 23:14 MGC MS-V5 1 BRB1714 <br /> BC Laboratories 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 alteration,separation, detachment or third party interpretation. Pagc 29 of 35 <br /> 4100 Atlas Court-Bakersfield,CA 93308-(661)327-4911 -FAX(661)327-1918-www.bclabs.com <br /> ® M ® M ® M ® ® ® ® ® M = ® M <br />