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Laboratories Inc. <br /> Environmental Testing Laboratory Since 1949 <br /> Herst Associates Project: NCYC Reported: 01/26/2009 14:30 <br /> 4630 South Highway 94 North Outer Road Project Number: NCYCC VOC Samples <br /> Saint Charles,MO 63304 Project Manager: Brian Power <br /> Volatile Organic Analysis (EPA Method 6260) <br /> Quality Control Report- Method Blank Analysis <br /> Constituent- Batch ID QC Sample ID MB Result Units PQL MDL Lab Quals <br /> BSA1303 BSA1303-BLK1 <0.50 ug/L 0.50 <br /> 1,3-Dichioropropane -- - <br /> ---- - - --.---- - <0.50 ug/L 0.50 <br /> trans-1,3 Dichloropropene SSA1303 BSA1303 BL 1 <br /> ---- ---- ---- -- -- --- --- <0.50 ug/L 0.50 <br /> Ethylbenzene BSA1303 BSA1303-BLK1 --- _ <br /> ------- --- - <0.50 ug/L 0.50 <br /> Hexachlorobutadiene BSA1303 BSA1303-BLK1 -._ -.___.-- <br /> - -- ----- ----- BSA1303 BSA1303-BLK1 <1.0 ug/L 1. <br /> Methylene chloride <br /> 50 <br /> L 0 <br /> <0.50 ug/ . <br /> Methyl t-butyl ether BSA1303 BSAi303 BLK1 --- <br /> - <0.50 ug/L <br /> BSA1303 BSA1303-BLK1 <br /> 0.50 <br /> Naphthalene - <br /> - - <0.50 ug/L 0.50 <br /> Styrene BSA1303 BSA1303-SL _- --- - <br /> --- - -. <br /> - ----- -- --- - - ----- <0.50 uglL 0.50 <br /> 1,1,2,2-Tetrachloroethane BSA1303 BSA1303-BLK1 _-. -. - <br /> - - <br /> - ------ --- -- - - <0.50 ug/L 0.50 <br /> Tetrachloroethene BSA1303 BSA1303-BLK1 <br /> ---- - - -- <br /> -.._-..-------__.-- __-. <0.50 ug/L 0.50 <br /> Toluene BSA1303 BSA1303-BL _-.--- ------- <br /> _-. _---.-. -_-- - - ---- <0.50 ug/L 0.50 <br /> 1,2,4-Trichlorobendene BSA1303 BSA1303-BLK1 <br /> <0.50 ug/L 0.50 <br /> 1,1,1-Trichloroethane BSA1303 BSA1303-BLK1 _ -- <br /> -"---- -- -- BSA1303 BSA1303-BLKI <0,50 ug/L 0.50 <br /> 1,1,2-Trichloroethane -- - <br /> - -- -- - - -'------- ---- <br /> 8SA1303 BSA1303-BLK1 <0.50 ug/L 0.50 <br /> Trichloroethene <br /> BSA1303 BSA1303-BLK1 <0•50 ug/ <br /> Trichlorofluoromethane --" -- - <br /> --------- <1.0 ug/L 1.0 <br /> 1,2,3-Tdchloropropane BSA1303 BSA1303-BLK1 <br /> <0.50 ug/L <br /> Vinyl chloride BSA1303 BSA1303-BLK1 ------ <br /> - - <1.0 ug/L 1.0 <br /> Total Xylenes BSA1303 BSA1303 BLK1 <br /> --- - -.-__... <br /> Acetone BSA1303 8SA1303 BLK1 <10 ug/L 1_ -___ _----- <br /> <5.0 -------uglL ---- 5.0 <br /> Acrylonttnle BSA1303 BSA1303-BL __.. <br /> t-Amyl Methyl ether BSA1303 BSA1303-BLK1 <0.50 ug/L 0.50 <br /> t-Butyl alcohol BSA1303 BSA1303-BLK1 <br /> Carbon disulfide BSA1303 BSA1303-BLK1 <1.0 ug/L ---------------- <br /> 1.0 <br /> The results in this report apply to the samples analyzed in accordance with the chain of custody document_This analytical report must be reproduced to its ear;rery. <br /> _ Gstec�iwrt r excluf tUc s�party oretorsumcibi rt al separation etaehment oP third patty irterpretation. <br /> 0 Atl rt B ld, 8 { 7_4911W(661918bclat� M M ® of 4� <br /> __ .. .-!-!- ----.-n-a- .1n( 4 4 9 A <br />