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Laboratories Inc. _ <br /> Environmental Testing Laboratory Since 1949 <br /> CB&I Reported: 09/06/2013 15:00 <br /> 180 Promenade Circle,Suite 320 Project: Foothill Landfill <br /> Sacramento,CA 95834 Project Number. 149269 <br /> Project Manager. Sheila Richgels <br /> Volatile Organic Analysis (EPA Method 8260) <br /> Quality Control Report - Method Blank Analysis <br /> Constituent QC Sample ID MB Result Units PQL MDL Lab Quals <br /> QC Batch ID: BWH1938 <br /> Tetrachlorcethene BWH1938-BLK1 ND ug/L 0.50 0.13 <br /> Toluene BWH1938-BLK1 ND ug/L 0.50 0.093 <br /> 1,24-Trichlorobenzene BWH1938-BLK1 ND ug/L 0.50 0.19 <br /> 1,1,1-Trichloroethane BWH1938-BLK1 ND ug/L 0.50 0.11 <br /> 1,1,2-Trichloroethane BWH1938-BLK1 ND ug/L 0.50 0.16 <br /> Trichloroethene BWH1938-BLK1 ND ug/L 0.50 0.085 <br /> Trichlorofluoromethane BWH1938-BLK1 ND ug/L 0.50 0.13 <br /> 1,2,3-Trichloropropane BWH1938-BLK1 NR ug/L 1.0 0.24 <br /> Vinyl chloride BWH1938-BLK1 ND ug/L 0.50 0.12 <br /> Total Xylenes BWH1938-BLK1 ND ug/L 1.0 0.36 <br /> Acetone BWH1938-BLK1 ND ug/L 10 4.6 <br /> Acrylonitrile BWH1938-BLK1 ND ug/L 5.0 1.2 <br /> t-Amyl Alcohol BWH1938-BLK1 ND ug/L 20 9.2 <br /> t-Butyl alcohol BWH1938-BLK1 ND ug/L 10 9.4 <br /> Carbon disulfide BWH1938-BLK1 ND ug/L 1.0 0.38 <br /> trans-1,4-Dichloro-2-butene BWH1938-BLK1 ND ug/L 5.0 1.4 <br /> Diisopropyl ether BWH1938-BLK1 ND ug/L 0.50 0.23 <br /> Ethanol BWH1938-BLK1 ND ug/L 250 50 <br /> Ethyl t-butyl ether BWH1938-BLK1 ND ug/L 0.50 0.18 <br /> Hexachloroethane BWH1938-BLK1 ND ug/L 0.50 0.16 <br /> 2-Hexanone BWH1938-BLK1 ND ug/L 10 3.4 <br /> Methyl ethyl ketone BWH1938-BLK1 ND ug/L 10 2.5 <br /> Methyl iodide BWH1938-BLK1 ND ug/L 2.0 0.47 <br /> Methyl isobutyl ketone BWH1938-BLK1 ND ug/L 10 2.1 <br /> Vinyl acetate BWH1938-BLK1 ND ug/L 10 1.8 <br /> 1,2-Dichloroethane-d4(Surrogate) BWH1938-BLK1 115 % 75-125 (LCL-UCL) <br /> Toluene-d8(Surrogate) BWH1938-BLK1 101 % 80-120 (LCL-UCL) <br /> 4-Bromofluorobenzene(Surrogate) BWH 1938-BLK1 100 % 80-120 (LCL-UCL) <br /> i <br /> The results in this report apple to the samples analyzed 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 party interpretation <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bdabs.com Page 14 of 20 <br />