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1 9 0 <br />Laboratories Inc. <br />E.vironrnental Testing Laboratory Since 1949 <br />Geologic Associates Reported: 11/07/2011 13:33 <br />11415 West Bernardo Ct, Ste 200 Project: Corral Hollow <br />San Diego, CA 92127 Project Number: 2011-0115 <br />Project Manager: John Hower <br />Volatile Organic Analysis (EPA Method 8260) <br />Tetrachloroethene <br />NO <br />ug/L <br />0.50 0.13 <br />EPA -8260 <br />NO <br />Toluene <br />NO <br />ug/L <br />0.50 0.093 <br />EPA -8260 <br />NO <br />1,2,3-Thchlorobenzene <br />NO <br />ug/L <br />0.50 0.16 <br />EPA -8260 <br />NO <br />1,2,4-Trichlorobenzene <br />NOug/L <br />0.50 0.19 <br />EPA -8260 <br />NO <br />1,1,1 -Trichloroethane <br />NO <br />ug/L <br />0.50 0.11 <br />EPA -8260 <br />NO <br />1,1,2 -Trichloroethane <br />ND <br />ug/L <br />0.50 0.16 <br />EPA -8260 <br />NO <br />TrichloroetheneNO <br />ug/L <br />0.50 0.085 <br />EPA -8260 <br />NO <br />Trichlorofluoromethane <br />NO <br />ug/L <br />0.50 0.13 <br />EPA -8260 <br />ND- <br />1,2,3-Thchloropropane <br />NO <br />ug/L <br />1.0 0.24 <br />EPA -8260 <br />NO <br />1,2,41-Trimethylbenzene <br />NO <br />ug/L <br />0.50 0.12 <br />EPA -8260 <br />NO <br />1,3,5-Trimethylbenzene <br />NO <br />ug/L <br />0.50 0.12 <br />EPA -8260 <br />NO <br />Vinyl chloride <br />NO <br />ug/L <br />0.50 0.12 <br />EPA -8260 <br />NO <br />Total Xylenes <br />NO <br />ug/L <br />1.0 0.36 <br />EPA -8260 <br />NO <br />Acetone <br />NO <br />ug/L <br />10 4.6 <br />EPA -8260 <br />- ------- <br />9.6 <br />--- <br />Acetonitrile <br />ND <br />ug/L <br />10 5.5 <br />EPA -8260 <br />ND <br />Acrylonitrile <br />NO <br />ug/L <br />5.0 1.2 <br />EPA -8260 <br />NO <br />Carbon disulfide <br />NO <br />ug/L <br />1.0 0.38 <br />EPA -8260 <br />NO <br />trans-1,4-Dichloro-2-butene <br />NO <br />ug/L <br />5.0 1.4 <br />EPA -8260 <br />NO <br />2-Hexanone <br />NO <br />ug/L <br />10 3.4 <br />EPA -8260 <br />NO <br />Methyl ethyl ketone <br />NO <br />ug/L <br />10 2.5 <br />EPA -8260 <br />NO <br />Methyl iodide <br />NO <br />ug/L <br />2.0 0.47 <br />EPA -8260 <br />NO <br />Methyl isobutyl ketone <br />NO <br />ug/L <br />10 2.1 <br />EPA -8260 <br />NO <br />Vinyl acetate <br />NO <br />ug/L <br />10 1.8 <br />EPA -8260 <br />NO <br />p- & rn-Xylenes <br />NO <br />ug/L <br />0.50 0.28 <br />EPA-8260 <br />NO <br />o -Xylene <br />ND <br />ug/L <br />0.50 0.082 <br />EPA -8260 <br />ND <br />1,2-Dichloroethane-d4 (Surrogate) <br />105 <br />% <br />76 - 114 (LCL - UCL) <br />EPA -8260 <br />Toluene -d8 (Surrogate) <br />100 <br />% <br />88-110 (LCL -UCL) <br />EPA -8260 <br />4-Bromofluorobenzene (Surrogate) <br />98.4 <br />% <br />86 - 115 (LCL - UCL) <br />EPA -8260 <br />Run <br />QC <br />Run # Method <br />Prep Date <br />Dateffime <br />Analyst Instrument Dilution <br />Batch ID <br />1 EPA -8260 <br />11/04/11 <br />11/04/11 22:24 MGC MS -V5 I <br />----- --- - --- ----- <br />BUK0331 <br />The results in this report apply to the samples analyzed in accordance with the chain ofcusiody document. This analytical report must be reproduced in its entirely. <br />All results listed in this report are for the exclusive use of the submitting <br />party. BC Laboratories, <br />Inc. assumes no responsibility for report alteration, <br />separation, detachment or third party interpretation. <br />410OAtlas Court Bakersfield, CA 93308 (661)327-4911 FAX(661)327-1918 www.brAabs.com <br />Page 13 of 18 <br />