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gam, LABORATORIES, <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 />BC Laboratories The results in this report apply to the samples anah:ed 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 patty interpretation. Page 33 of 35 <br />_ ® @,,IfI00 Co ker CA • (6 7-49JJjJA.X 327- • www.bc1ab&com i <br />Volatile Organic Analysis (EPA Method <br />uzbu) <br />Quality Control Report - Method Blank Analysis <br />Constituent <br />Batch ID <br />QC Sample ID <br />MB Result <br />Units <br />PQL <br />MDL Lab Qualls <br />Ethylbenzene <br />BQL1168 <br />_ . _ 1111.. <br />BQL1168-BLK1 <br />NO <br />ug/L <br />0.50 <br />...................._ <br />0.18 <br />-- - _ <br />Hexachlorobutadiene <br />BQL1168 <br />--- <br />1301-1168-BLK1 <br />- 1.111. - - <br />NO <br />... .. <br />ug/L <br />-- <br />0.50 <br />---- -- - <br />0.31 <br />.. <br />Methylene chloride <br />_.. _ <br />BQL1168 <br />----11 ...1 .............. .... .......... ....1_111_.. <br />BQL1168-BLK1 <br />----------------11.1.- <br />NO <br />ug/L <br />1.0 <br />0.27 <br />- ... <br />Methyl t -butyl ether <br />1 <br />BQL1168 <br />.... -..........1 .1.11.......-. ...._....._..___... <br />BQL1168-BLK1 <br />NO <br />-- <br />ug/.L <br />_ <br />0.50 <br />-... <br />0.22 <br />------ ... ----- <br />Naphthalene <br />--...... <br />601-1168 <br />_............. <br />601-1168-BLK1 <br />- <br />NO <br />_- ... <br />ug/L <br />0.50 <br />.. <br />0.30 <br />Styrene <br />601-1168 <br />__----- ..... ..1.11........_. .. <br />BQL1168 BLK1 <br />1.1...1.....1 ...._........ ........... --- ..... <br />NO <br />ug/L <br />.- <br />0.50 <br />0.18 <br />- - - <br />1,1,2,2 -Tetrachloroethane <br />_ .........__._ <br />BQL1168 <br />BQL1168-BLK1 <br />_............ ....-......-._.__..__......_.. <br />NO <br />-. - <br />ug/L <br />- _. <br />0.50 <br />.... 0 34 <br />- <br />----- ----- - -- ....-.11_1.1_.. <br />Tetrachloroethene13QL1168 <br />- . _...._...... - --- <br />BQL1168-BLK1 <br />-.. ....._..... .._ <br />NO <br />..__......_... ---- . ... <br />ug/L <br />-- <br />0.50 <br />-- -.. <br />0.28 <br />--- <br />------ - - -- - .. <br />Toluene <br />........ _ ........... ... _ .__..._...._..--- - -- - <br />BQL1168 <br />_...----... <br />BQL1168 BLK1 <br />.._...._--.----..... __ <br />NO <br />-- <br />ug/L <br />_. <br />0.50 <br />0.14 <br />_ _...- -... <br />.....__ <br />1,2,4-Tdchlorobenzene <br />- . _._......... ----- ............._... .-... ...............1111... <br />BQL1168 <br />BQL1168-BLK1 <br />......._- - __.__. <br />NO <br />.. <br />ug/L <br />_ 0.50 ... <br />0.31 <br />1,1,1-Tdchloroethane <br />BQL1168 <br />_1.1.1.....1_..._ ............... <br />601-1168-BLK1 <br />___ ............. .1.....1...... . _. ... - --- <br />NO <br />..... <br />ug/L <br />..... ._. .........------ <br />0.50 <br />0.14 - <br />_ .. ... ..... ....._.. <br />1,1,2-Trichloroethane <br />BQL1168 <br />BQL1168-BLK1 <br />NO <br />u ..... <br />Trichloroethene <br />BQL1168 <br />_.. <br />1301-1168-BLK1 <br />----- ..- <br />NO <br />-- <br />ug/L <br />_1__1.11 _ <br />0.50 <br />-- <br />0.20 <br />_.-1.1.1 ._.... _ .. <br />Trichlorofluoromethane <br />._._...... ...... . ,. <br />BQL1168 <br />BQL1168-BLK1 <br />- ---- .... <br />NO <br />- <br />ug/L <br />- <br />0.50 <br />0.22 <br />-- - - <br />-- - -11 1__1._. _ _. _ _. _. <br />1,2,3-Trichloropropene <br />_1_11.1 1111_.. ..._........ _ ....- . 1111........... _ ..._ <br />BQL1168 <br />_. <br />BQL1168-BLK1 <br />NO <br />ug/L <br />1.0 <br />0.43 <br />-- <br />Vinyl chloride <br />---- ----...._....._ <br />BQL1168 <br />_.. ............. <br />BQL1168-BLK1 <br />_1111.. - . <br />NO <br />- - <br />ug/L <br />_...... <br />0.-5.0 <br />_1111.. <br />0.16 _ <br />_ .._ <br />-------....11.1.1 .. .._ _11.11... <br />Total Xylenes <br />- <br />BQL1168 <br />----11.11. <br />BQL1168-BLK1 <br />_.. .. <br />NO <br />--_- . <br />ug/L <br />........ - . <br />1.0 <br />0.53 <br />---- - - <br />AcetoneBQL1168 <br />13QL1168-BLK1 <br />NO ___.._......... <br />ug/L <br />.. . __ <br />10 <br />7.4 <br />-- . . <br />- ---- - _... .. <br />Acrylonitrile <br />......... ....... ...... ......................................._...._..... <br />601-1168 <br />BQL1168-BLK1 <br />...... <br />NO <br />..1_1.11__ _ <br />ug/L <br />_-. _.. ---- <br />5.0 <br />- <br />2.0 <br />-111__1. , . <br />- -- - --- _. _ <br />t -Amyl Methyl ether <br />1301-1168 <br />........-111.1. <br />6QL1168-BLK1 <br />-------- .. _ <br />NO <br />...._ _--.. -- .. <br />ug/L <br />..... . <br />0.50 <br />- - - - <br />0.19 <br />- -- <br />_._. _ .. _. <br />t-Butyl alcohol <br />BQL1168 <br />..........- ......... __ <br />BQL1168-BLK1 <br />_-�_.. _--- 11.11. <br />NO <br />--- ---- -----_ - <br />ug/L <br />..... ..... 111_1..- <br />10 <br />- _ <br />9.3 <br />.. -- .......... __. _... _.. <br />Carbon disulfide <br />--- . _,,.. _. _... <br />601-1168 <br />BQL1168-BLK1 <br />1_111... --- -... _.. _..- <br />NO <br />-1111.._ ........ .... ......... .....- <br />ug/L <br />... _..... _._...._....... <br />1.0 <br />- .. <br />0.40 <br />-- - <br />- - - ... - - - <br />trans-1,4-Dichloro-2-butene <br />_ ............... - - - - ........ ._......... ._ _ ................ --- - ... <br />1301-1168 <br />_ -- - <br />601-1168-BLK1 <br />..... ....... ---._.................---- --.- <br />NO <br />. .... -- ----------- . _ <br />ug/L <br />5.0 <br />2.0 <br />.11..11.. <br />Diisopropyl ether601-1168 <br />_... _.. __11.11_ ._ _._.... <br />.... <br />BQL1168-BLK1 <br />NO <br />ug/L <br />0.50 <br />0.21 <br />BC Laboratories The results in this report apply to the samples anah:ed 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 patty interpretation. Page 33 of 35 <br />_ ® @,,IfI00 Co ker CA • (6 7-49JJjJA.X 327- • www.bc1ab&com i <br />