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_wLaboratork-&-Im. <br /> Environmental Testing Laboratory Since 1949 <br /> Geologic Associates Reported: 07/07/2010 16:08 <br /> 16885 W. Bernardo Drive Project: Forward Landfill-Monthly A.S.Tower <br /> San Diego, CA 92127 Project Number: Monthly <br /> Project Manager: Bill Lopez <br /> Volatile Organic Analysis (EPA Method260) <br /> Quality Control Report - Method Blank Analysis <br /> Constituent QC Sample ID MB Result Units PQL MDL Lab Quals <br /> QC Batch ID: BTF1748 <br /> Tetrachloroethene BTF1748-BLK1 ND ug/L 0.50 0.13 <br /> Toluene BTF1748-BLK1 ND ug/L 0.50 0.093 <br /> 1,1,1-Trichloroethane BTF1748-BLK1 ND ug/L 0.50 0.081 <br /> 1,1,2-Trichloroethane BTF1748-BLK1 ND ug/L 0.50 0.21 <br /> Trichloroethene BTF1748-BLK1 ND ug/L 0.50 0.13 <br /> Trichlorofluoromethane BTF1748-BLK1 ND ug/L 0.50 0.11 <br /> 1,2,3-Trichloropropane BTF1748-BLK1 ND ug/L 1.0 0.30 <br /> 1,2,4-Tdmethylbenzene BTF1748-BLK1 ND ug/L 0.50 0.11 <br /> Vinyl chloride BTF1748-BLK1 ND ug/L 0.50 0.14 <br /> Total Xylenes BTF1748-BLK1 ND ug/L 1.0 0.26 <br /> Acetone BTF1748-BLK1 ND ug/L 10 4.6 <br /> Acrylonitrile BTF1748-BLK1 ND ug/L 5.0 1.2 <br /> t-Amyl Methyl ether BTF1748-BLK1 ND ug/L 0.50 0.25 <br /> Carbon disulfide BTF1748-BLK1 ND ug/L 1.0 0.35 <br /> trans-1,4-Dichloro-2-butene BTF1748-BLK1 ND ug/L 5.0 1.4 <br /> Diisopropyl ether BTF1748-BLK1 ND ug/L 0.50 0.19 <br /> Ethyl t-butyl ether BTF1748-BLK1 ND ug/L 0.50 0.18 <br /> 2-Hexanone BTF1748-BLK1 ND ug/L 10 3.4 <br /> Methyl ethyl ketone BTF1748-BLK1 ND ug/L 10 2.5 <br /> Methyl iodide BTF1748-BLK1 ND ug/L 2.0 0.44 <br /> Methyl isobutyl ketone BTF1748-BLK1 ND ug/L 10 2.1 <br /> Vinyl acetate BTF1748-BLK1 ND ug/L 10 2.4 <br /> 1,2-Dichloroethane-d4(Surrogate) BTF1748-BLK1 97.6 % 76-114 (LCL-UCL) <br /> Toluene-d8(Surrogate) BTF1748-BLK1 97.5 % 88-110 (LCL-UCL) <br /> 4-Bromofluorobenzene(Surrogate) BTF1748-BLK1 92.2 % 86-115 (LCL-UCL) <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 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 alteratiog separation,detachment or third party interpretation <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)3274911 FAX(661)327-1918 www.bclabs.com Page 9 of 12 <br />