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Lahoratories Ic. <br /> - -- <br /> Environmental Testing Laboratory Since 1949 <br /> Herst Associates Project: Austin Road/NCYCC Drilling Reported: 12/19/2008 13:17 <br /> 4630 South Highway 94 North Outer Road Project Number: [none] <br /> Saint Charles,MO 63304 Project Manager: David Vasbinder <br /> Base Neutral and Acid Extractables Organic Analysis (EPA Method 8270C) <br /> Quality Control Report - Method Blank Analysis <br /> Constituent Batch ID QC Sample ID MB Result Units POL MDL Lab Quals <br /> Di-n-octyl phthalate BRL0939 BRL0939-BLK2 NO ug/L 2.0 0.85 <br /> Fluoranthene BRL0939 BRL0939-BLK2 NO ug/L 2.0 0.70 <br /> Fluorene BRL0939 BRL0939-BLK2 NO ug/L 2.0 0,73 <br /> Hexachlorobenzene BRL0939 BRL0939-BLK2 NO ug/L 2.0 0-71 <br /> Hexachlorocydopentadiene BRL0939 BRL0939-BLK2 NO ug/L 2.0 0.26 <br /> lndeno[1,2,3-cd]pyrene BRL0939 BRL0939-BLK2 NO ug/L 2A 0.92 <br /> - -. .-.....- .._-.._-._-_._-...--- -. _ ..- - -_ ---._ -- - <br /> Isophorone BRL0939 BRL0939-BLK2 NO ug/L 2.0 0.51 <br /> Nitrobenzene BRL0939 BRL0939-BLK2 NO ug/L 2.0 0.55 <br /> _.._..------- <br /> N-Nitrosodimethylamine BRL0939 BRL0939-BLK2 NO ug/L 2.0 0.45 <br /> N-Nitrosodi-N-propylamine BRL0939 BRL0939 BLK2 NO ug/L 2.0 0.59 <br /> N-Nitrosodiphenylamine BRL0939 BRL0939 BLK2 NO ug/L 2.0 0.80 <br /> Phenanthrene BRL0939 BRL0939-BLK2 NO ug/L 2.0 0.60 <br /> Pyrene BRL0939 BRL0939-BLK2 NO ug/L 2.0 0.62 <br /> 4-Chloro-3-methylphenol BRL0939 BRL0939-BLK2 NO ug/L 5.0 0.67 <br /> 2-Chlorophenol BRL0939 BRL0939-BLK2 NO ug/l_ 2.0 0.65 <br /> _ <br /> - --..-- --- _------- --- -- -.._-...---- _ _...- ----- - <br /> 2,4-Dichlorophenok BRL0939 BRL0939-BLK2 NO ug/L 2.0 0.60 <br /> 2,4-Dimethyiphenot BRL0939 BRL0939-BLK2 NO ug/L 2-0 .-..--.--0.52 <br /> 4,6-Dinitro-2-methylphenol BRL0939 BRL0939-BLK2 NO ug/L 10 2.2 <br /> 2,4-Dinitrophenol BRL0939 BRL0939-BLK2 NO ug/L 10 2.4 <br /> 2-Nitrophenol BRL0939 BRL0939-BLK2 NO ug/L 2.0 0.42 <br /> 4-Nitrophenol BRL0939 BRL0939-BLK2 NO ug/L 2.0 1.7 <br /> _-._._ <br /> - -_ -...-.._.....- - <br /> Pentachlorophenol BRL0939 BRL0939-BLK2 NO ug/L 10 0.45 <br /> Phenol BRL0939 BRL0939-BLK2 NO ug/L 2.0 0.37 <br /> Acetophenone BRL0939 BRL0939-BLK1 NO ug/L 10 0.35 <br /> The results in this report apply to the samples analyzed in accordance with the chain of custody document.This analytical report must he reproduced in its entirety. <br /> All results listed in this report are for the exclusive use of the submitlinu Party. BC Laboratrmies, assumes no responsiMlitY for report alteration,separation,detachment or third party interpretation. <br /> 4100 Atlas Court Bakersfield,CR 93308 (67-4911 FAX(661)327-1918 www.bclabs.com age 47 of 54 <br /> is Certifications: California-ELAP Certification N 1186; Nevada Administrative Code-NAC-445A <br />