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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 Method 8260) <br /> BCL Sample ID: 0802520-02 Client Sample Name: Well #2/CYA#2,2/22/2008 7:36:OOAM <br /> Prep Run Instru- QC MB Lab <br /> Constituent Result Units PQL MDL. Method Date Date/Time Analyst ment ID Dilution Batch ID Bias Quals <br /> t-Butyl alcohol NO ug/L 10 8.6 EPA-8260 02/27/08 02/28/08 17:34 MGG MS-V5 1 BRB1714 NO <br /> ----.._........--- ----------- - --— -........._......_...._. <br /> Carbon disulfide NO ug/L 1.0 0.40 EPA-8260 02/27/08 02/28/08 17:34 MGC MS-V5 1 BRB1714 NO <br /> _........_......-_....-- ------ -. 11 1 1 ..-_. _. - _ <br /> trans-1,4-Dichloro-2-butene NO ug/L 5.0 2.0 EPA-8260 02/27/08 02/28/08 17:34 MGC MS-V5 1 BRB1714 NO <br /> - --— .. - ........_. --- -........_.-----....._.._......... - --._.......... ---- 11.11.- - ----- --- - - - <br /> Diisopropyi ether NO ug/L 0.50 0.18 EPA-8260 02/27/08 02/28/08 17:34 MGC MS-V5 1 BRB1714 NO <br /> ----------- --_—.. ._ <br /> ..,.... .. - .......... _....._ .... - ------ -------— --_ -- <br /> Ethanol NO ug/L 250 57 EPA-8260 02/27/08 02/28/08 17:34 MGC MS-V5 1 BRB1714 NO <br /> ................................_.._.. ---- -- - -_................ _ _ ___--•-..__..._...__.._..._.. - - ------ ---. <br /> Ethyl t-butyl ether NO ug/L 0.50 0.22 EPA-8260 02/27/08 02/28/08 17:34 MGC MS-V5 1 BRB1714 NO <br /> _......_....----- --------------... - -- ----- -- _ 1.111_,.. .,-_....-. <br /> 2-Hexanone NO ug/L 10 2.5 EPA-8260 02/27/08 02/28/08 17:34 MGC MS-V5 1 BRB1714 NO <br /> _..-1.—............11-1111. —.......... _ _ ------------....-...._....._........._..-- ---------- --._..._..- -._.—.__ __._....._............................._................1.1..1.1....-..------ <br /> Methyl ethyl ketone NO ug/L 10 1.6 EPA-8260 02/27/08 02/28/08 17:34 MGC MS-V5 1 BRB1714 NO <br /> ----------._...._....------._.....__.._..._. --- ----._ — <br /> Methyl iodide NO ug/L 2.0 0.42 EPA-8260 02/27/08 02/28/08 17;34 MGC MS-V5 1 BRB1714 NO <br /> —...----._....— _..._._..._............._........-..._........._.-._...._ -.._.._-.---.............111.-111.1_.. __ _................... -- - -- _—_._.......----- <br /> Methyl isobutyl ketone NO ug/L 10 3.4 EPA-8260 02/27/08 02/28/08 17:34 MGC MS-V5 1 BRB1714 NO <br /> ..__...__......... ... -- -- -..........-----------1.111......... -- <br /> Vinyl acetate NO ug/L 10 3.1 EPA-8260 02/27/08 02/28/08 17:34 MGC MS-V5 1 BRB1714 NO <br /> ...................._......._......_.................,.........._............__..............._._._. _-.. _ _ _.__..._.__.._.._...- ----- -............_.................. _ __- <br /> 1,2-Dichloroethane-d4(Surrogate) 102 % 76-114 (LCL-UCL) EPA-8260 02127/08 02/28/08 17:34 MGC MS-V5 1 BRB1714 <br /> ---- -----... -........... --...... _------ -........._..__ .111.1-- . - 1111 --- - <br /> Toluene-d8(Surrogate) 100 % 88-110 (LCL-UCL) EPA-8260 02/27/08 02/28/08 17:34 MGC MS-V5 1 BRB1714 <br /> - -------—._..... -..---------------_..__._.........___.............. _ ___._.......__.............._.._......_........_._. _.._..............,......._ - --- ----- --— - -- <br /> 4-Bromofluorobenzene(Surrogate) 101 % 86-115 (LCL-UCL) EPA-8260 02/27/08 02/28/08 17:34 MGC MS-V5 1 BRB1714 <br /> BC Laboratories The results in this report apply to the samples analyzed in accordance withh the chain of custody document. 77tis analytical report must be reproduced in its entirety. <br /> All results listed in this report are for the exclusive use or the submitting party.BC Laboratories,Inc.assumes no responsibility for report alteration,separation, detachment or third party interpretation page 8 of 35 <br /> 4100 Atlas Court-Bakersfield,CA 93308-(661)327-4911 -FAX(661)327-1918-www.belabs.com <br />