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LABORATORIES, INC. <br /> Herst Associates Project: NCYC Reported: 01/03/2008 10:44 <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: 0714915-05 Client Sample Name: Well 2/CYA 2, 12/13/2007 9:20:00AM <br /> Prep Run Instru- QC M13 Lab <br /> Constituent Result Units PQL MDL Method Date DatelTime Analyst ment ID Dilution Batch ID Bias Quals <br /> 1,2-Dichloropropane ND ug/L 0.50 0.16 EPA-8260 12/20/07 12/21/07 06:42 MGC MS-V5 1 BQL1168 ND <br /> _... . . ._................. ...... - <br /> 1,3-Dichloropropane ND ug/L 0.50 0.15 EPA-8260 12/20/07 12/21/07 06:42 MGC MS-V5 1 BQL1168 <br /> . <br /> ....-......_.. ..... ....... ... ............................_.__---------------------- ._. ...._.. ... ...------ ...... <br /> trans-l,3-Dichloropropene ND ug/L 0.50 0.13 EPA-8260 12/20/07 12/21/07 06:42 MGC MS-V5 1 BQL1168 ND <br /> - --- --._.. _ ------ _ ........_........ -.-.. _ _ .......... <br /> Ethylbenzene ND ug/L 0.50 0.18 EPA-8260 12/20/07 12/21/07 06:42 MGC MS-V5 1 BQL1168 ND <br /> .............._ .......__,...--- _ -- ........ ... ..._ ...............-------------- _........_.._.. ... _...................... <br /> Hexachlorobutadiene ND uglL 0.50 0.31 EPA-8260 12/20/07 12/21/07 06:42 MGG MS-V5 1 BQL1168 ND <br /> .........._........_...-..........--- -.. . ..---- <br /> Methylene chloride ND ug/L 1.0 0.27 EPA-8260 12/20/07 12/21/07 06:42 MGC MS-V5 1 BOL1168 ND <br /> __...._. .. ... _ - ---. .... ...._....._...- .. . . ...........__..--...- --. _ _ <br /> Methyl t-butyl ether ND ug/L 0.50 0.22 EPA-8260 12/20/07 12/21/07 06:42 MGC MS-V5 1 601-1168 ND <br /> . <br /> ... - .._. <br /> . ..-- ._ <br /> -_. ---------._,---- ---------...._ _..._. _.................................................._............... -- ..,_...------------- ._...- <br /> Naphthalene ND ug/L 0.50 0.30 EPA-8260 12/20/07 12/21/07 06:42 MGC MS-V5 1 BQL1168 ND <br /> ........ ... ._... _. --- -- --.. ... .. ........_.. ----_ - - -...... <br /> Styrene ND ug/L 0.50 0.18 EPA-8260 12/20/07 12/21/07 06:42 MGC MS-V5 1 BQL11,68 ND <br /> .... -- - _.. ._... --_. ... ........ --------..... . .. ---- -........... ..._............__-. --- ...---.._............ .. ........... .... -- -- --------.. <br /> 1,1,2,2-Tetrachloroethane ND ug/L 0.50 0.34 EPA-8260 12/20/07 12/21/07 06:42 MGC MS-V5 1 BQL1168 ND <br /> . . <br /> . _._ .._... .._ . <br /> .......- - ....... __ ... --.._----------- ... ...... ».. ..... _- ...� <br /> Tetrachloroethene 4.8 ug/L 0.50 0.28 EPA-8260 12/20/07 12/21/07 06:42 MGC MS-V5 1 BQL1168 ND <br /> ._.........._.-..._ _--- _.... 1--l.,.,.--,..------...-.---.,".'I - -- ... .._.._.. <br /> Toluene ND ug/L 0.50 0.14 EPA-8260 12/20/07 12/21/07 06:42 MGC MS-V5 1 BOL1168 ND <br /> 1,2,4-Tdchlorobenzene ND u 1L 0.50 0.31 EPA-8260 12/20/07 12/21/07 06:42 MGC MS-V5 1 BQL1168 ND <br /> _._ _....... ... ._ - - .. ._....._. ._.._. _. .. ---.._ ...._..........---_ - __- ---....--- -_ _.,-. - <br /> 1,1,1-Trichloroethane ND ug/L 0.50 0.14 EPA-8260 12/20/07 12/21/07 06:42 MGC MS-V5 1 BOL 1168 ND <br /> �.-_.... .. _... - .... - . _.. .. .........---_.-_.............. .... ...............- . . - - ....... _... _ __............. ........ <br /> 1,1,2-Trichloroethane ND ug/L 0.50 0.44 EPA-8260 12/20/07 12!21/07 06:42 MGC MS-V5 1 BQL1168 ND <br /> -----....... ... - - - - _.-...... -- ........... _._.... _-....... _.--__-.-_._ <br /> Trichloroethene 0.87 ug/L 0.50 0.20 EPA 8260 12/20/07 12/21/07 06:42 MGC MS-V5 1 BQL1168 ND <br /> - ._.......-- - ......_ _ - - - ._..... ---- -.... . ............_...._- ---._.__.----_.._.-_.._---. .._._.. -- .. <br /> Trichlorofluoromethane 0.36 ug/L 0.50 0.22 EPA-8260 12/20/07 12/21/07 06:42 MGC MS-V5 1 BQL1168 ND J <br /> - -- ... .. _.. _._. -.. - -- - -.._..... -.... . --- - ... ...... __.............. ............_.-------------............ - ---.. - --- -- <br /> 1,2,3-Trichloropropane ND ug/L 1,0 0.43 EPA-8260 12/20/07 12/21/07 06:42 MGC MS-V5 1 BQL1168 ND <br /> - --.._......-- ......... .. _..... . ................... _ . .. . . <br /> Vinyl chloride ND ug/L 0.50 0.16 EPA-8260 12/20/07 12/21/07 06:42 MGC MS-V5 1 BQL1168 ND <br /> _.._ <br /> ............-- - - - - --- .............................._ ..--... - -- --._ _.-. --..._ ...... -_... -. ....... ...... .._.._........ <br /> Total Xylenes ND ug/L 1.0 0.53 EPA-8260 12/20/07 12/21/07 06:42 MGC MS-V5 1 BQL1168 ND <br /> ..-- --- ....-.._..- - ........---........_..__. - ---._.......,. ._....._...............----------.----.._...----------- <br /> Acetone <br /> ._. - _......... <br /> Acetone ND ug/L 10 7.4 EPA-8260 12/20/07 12/21/0706:42 MGC MS-V5 1 8QL1168 ND <br /> .......__-_............_...._._-...................................----...... ----- ---- ._.... -._. . .. -- -... <br /> Acrylonitrile ND ug/L 5.0 2.0 EPA-8260 12/20/07 12/21/07 06:42 MGC MS-V5 1 BQL1168 ND <br /> .... ......-.-........-.. ._...----_.._ -....................................• -11.1........ .----------- _ _....... .----- <br /> t-Amyl Methyl ether ND ug/L 0.50 0.19 EPA-8260 12/20/07 12/21/07 06:42 MGC MS-V5 1 BQL1168 ND <br /> BC Laboratories The results in this report apply to the samples analyzed in accordance with the chain of custody document. Thts-analytical report muse be reproduced in its entirety. <br /> All results listed in this report aro for the exclusive use of the submitting party.BC Laboratories,Inc.assumes no responsibility for report alteration,separation, detachment or third party interpretation. Page 16 of 35 <br /> 4100 Atlas Court-Bakersfield,CA 93308-(661)3274911 -FAX(661)327-1918-www.bclabs.com <br />