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® ® = IIIIIIINI M <br />B. CLABORATORIES, <br />Herst Associates Project: Misc. Samples Reported: 12/03/2007 13:45 <br />4630 South Highway 94 North Outer Road Project Number: NCYC <br />Saint Charles, MO 63304 Project Manager: David Vasbinder <br />BC Laboratories The results in this report apple to the samples analyzed in accordance with the chain of custody document. This analytical report must he reproduced in its enttrety. <br />All results listed in this report are for the exclusive use of thea party. BC Laboratories, Inc. assurncs no responsibility for report alteration, separation, detachment or third party intctpretat ,m. Page 36 of 39 <br />4100 Atlas Court - Bakersfield, CA 93308 • (661) 327-4911 • FAX (661) 327-1918 . www.bclabs.com <br />Volatile Organic Anal Method <br />8260) <br />Quality Control Report - Method Blank Analysis <br />Constituent <br />Batch ID <br />QC Sample ID <br />MB Result <br />Units <br />PQL MDL Lab Quals <br />trans -1 <br />_.._ ....... ........ .......... .--- ------ <br />- - . - <br />_ <br />.. <br />.... .... - - - ..... _ _.._ __ ... <br />Diisopropyl ether <br />BQK1521 <br />...._. ..... _...__.-- ........... - ...... .- ........._....,.._.._._ <br />BQK1521-BLK1 <br />_-_._..__..........-_... _.... __..,_... <br /><0.50 <br />_.. ... _..... <br />ug/L <br />0.50 <br />- <br />_...._._- .. - <br />Ethanol <br />BQK1521 <br />.. <br />BQK1521-BLK1 <br />-- .. ..,..... ......_..._.... <br /><250 <br />....._........_ <br />ug/L <br />250 <br />_.. .... ..... _ ... <br />Ethyl t -butyl ether <br />....... ..._ - - -----........... - - <br />BQK1521 <br />-......... ......... ........_. <br />BQK1521-BLK1 <br />.. ._..._................ -- ......- ------ <br /><0 50 _ <br />ug/L <br />__.. <br />0 50 <br />2-Hexanone <br />BQK1521 <br />.. _ .__.._._.. <br />BQK1521-BLK1 <br />__...._ .- -- . _ ........... _.. <br /><10 <br />.. _ <br />ug/L <br />10 <br />Methyl ethyl ketone <br />................. <br />BQK1521 <br />__ _ --- ....... _ .. <br />BQK1521-BLK1 <br />...... .... . --._... _- .. .. <br /><10 <br />ug/L <br />10 <br />...... ........ <br />Methyl iodide <br />BQK1521 <br />_.. -. _...... ..... <br />BQK1521-BLK1 <br />----_._._ <br /><2.0 <br />-- --- - - <br />u /L <br />g ..............__..._ <br />2.0 <br />... ..- -..._ .. ..... _... ........ <br />......_..... _ .._...._. <br />Methyl isobutyl ketone <br />BQK1521 <br />BQK1521-BLK1 <br /><10 <br />ug/L <br />10 <br />Vinyl acetate <br />BQK1521 <br />BQK1521-BLK1 <br />.._.._.... <br /><10 <br />... ---... <br />ug/L <br />10 <br />- <br />1,2-Dichloroethane-d4 (Surrogate) <br />BQK1521 <br />BQK1521-BLK1 <br />104 <br />% <br />UCL <br />76 114 (LCL ) <br />Toluene-d8 (Surrogate) <br />BQK1521 <br />- _.......... <br />BQK1521-BLK1 <br />....--._....---.. ... <br />98.5 <br />_...__..........._...-...... - _._._ <br />% <br />_._.. <br />88 110 (LCL - UCL) <br />. <br />4-Bromofluorobenzene (Surrogate) <br />... -- - - ------------- .......... <br />BQK1521 <br />__._._.... ... ......_ <br />BQK1521-BLK1 <br />...._...-..._....... .... ..... . ... <br />96.3 <br />... .......-_._.......... -- <br />% <br />---_._... <br />86 115 (LCL - UCL) <br />_ . . <br />- --.....-- -... ......._.__ <br />BenzeneBQK1522 <br />... .- <br />----.......--. .....--.---.... <br />BQK1522-BLK1 <br />--....... _ .__ _...__... <br /><0.50 <br />....... ...........-- -- <br />ug/L <br />0.50 <br />- <br />— - -- -- --. .., _ ... <br />- <br />Bromochloromethane <br />_ ._.. .............. -- -_ ......... <br />BQK1522 <br />....---- <br />BQK1522-BLK1 <br />- ----_ _ - ............._�-. <br /><0.50 <br />_...........-- - ...- --.... --- <br />ug/L <br />......... -- ......_.._... <br />0.50 <br />------ <br />- - --- ._ ... - - .......- - - .. _._....--- <br />Bromodichloromethane <br />.... ...... _........ ..._........_ <br />BQK1522 <br />BQK1522-BLK1 <br />........,.. _...._ ......................----......._ <br /><0.50 <br />ug/L <br />0.50 <br />- - .._....... ....... <br />Bromoform <br />... _ ..... ._— .....__.�__...-..._._- <br />BQK1522 <br />..................__....... <br />BQK1522-BLK1 <br />_ ..._.. ..........._._ <br /><0.50 <br />. ....-- - - . <br />ug/L <br />- - .. <br />0.50 <br />Bromomethane <br />....---- ... _...__ .._ -... - --- ....... ..__ <br />BQK1522 <br />_. <br />BQK1522-BLK1 <br />....... -- <br /><1.0 <br />_ _... --- _._... .. . .... <br />ug/L <br />_._...._ . <br />1.0 <br />Carbon tetrachloride <br />.... _.. ...... _ .-r.... _ <br />BQK1522 <br />- ..... _ . ._. - -- .. <br />BQK1522-BLK1 <br />-.... _._..-_ _ _.__ ....... <br /><0.50 <br />..... ..... .. .-...... ....... <br />ug/L <br />0,50 __..- _ .. . <br />--.... .. _ <br />Chlorobenzene <br />....... - - ..... <br />BQK1522 <br />- -- ...... _...__ <br />BQK1522-BLK1 <br />...... -- ............... .... . ..... <br /><0.50 <br />-- -- ....__ .. __...-...._-- <br />ug/L <br />- - - <br />0.50 <br />- - - ....... -- <br />Chloroethane <br />_ .. __..._. _.. ..- <br />BQK1522 <br />BQK1522-BLK1 <br />..... - - ...... ---- .._ <br /><0.50 <br />---- ....__-. _.-.......... _ <br />ug/L <br />........... ................... - <br />0.50 <br />....-----....... _ _ ........ <br />Chloroform <br />BQK1522 <br />....----... <br />BQK1522-BLK1 <br />. --- ._ - --......__ <br /><0.50 <br />_...-- - . ............ ........ . <br />ug/L <br />- ..... ---- ...... <br />0.50 <br />. --- -. - <br />_....._....__.__-__.. .......- -- — - ^_.._..._ <br />Chloromethane <br />_..... ... ._.. ........ ..---..._..... ..___._. <br />BQK1522 <br />- <br />BQK1522-BLK1 <br />-...... - _.__...,......_........ <br /><0.50 _-1 ..... <br />ug/L <br />-- .._....--_._ <br />0.50 <br />_........_ . <br />......_. _._._. <br />Dibromochloromethane <br />.... ._.__.... ..........--....._._..- - <br />BQK1522 <br />._... _._...---.......... ........... ...... <br />BQK1522-BLK1 <br />•-._.... _........_.__ --- <br /><0.50 <br />---.......-...._.. <br />ug/L <br />0.50 <br />- <br />- .._ ..... _.... _ ._._ _, ..................... <br />1,2-Dibromo-3-chloropropane <br />_. _ ._.. - ..... ._ <br />BQK1522 <br />BQK1522-BLK1 <br />0.0 <br />ug/L <br />1.0 <br />BC Laboratories The results in this report apple to the samples analyzed in accordance with the chain of custody document. This analytical report must he reproduced in its enttrety. <br />All results listed in this report are for the exclusive use of thea party. BC Laboratories, Inc. assurncs no responsibility for report alteration, separation, detachment or third party intctpretat ,m. Page 36 of 39 <br />4100 Atlas Court - Bakersfield, CA 93308 • (661) 327-4911 • FAX (661) 327-1918 . www.bclabs.com <br />