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- Laboratories Inc. <br />Environmental 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 />BCL Sample ID: 1118171-01 Client Sample Name: MW -9,11/3/2011 10:25:OOAM, K. Welchans <br />MB Lab <br />Constituent Result Units PQL MDL Method Bias Qualls Run # <br />Tetrachloroethene <br />0.66 <br />ug/L <br />0.50 <br />0.13 <br />EPA -8260 <br />ND <br />1 <br />Toluene <br />ND <br />ug/L <br />0.50 <br />0.093 <br />EPA -8260 <br />ND <br />1 <br />1,2,3-Trichlorobenzene <br />ND <br />ug/L <br />0.50 <br />0.16 <br />EPA -8260 <br />ND <br />1 <br />1,2,4-Trichlorobenzene <br />ND <br />ug/L <br />0.50 <br />0.19 <br />EPA -8260 <br />ND <br />1 <br />1,1,1 -Trichloroethane <br />ND <br />ug/L <br />0.50 <br />0.11 <br />EPA -8260 <br />ND <br />1 <br />1,1,2 -Trichloroethane <br />ND <br />ug/L <br />0.50 <br />0.16 <br />EPA -8260 <br />ND <br />1 <br />Trichloroethene <br />ND <br />ug/L <br />0.50 <br />0.085 <br />EPA -8260 <br />NO <br />� <br />Trichlorofluoromethane <br />1.5 <br />ug/L <br />0.50 <br />0.13 <br />EPA -8260 <br />ND <br />1 <br />1,2,3-Trichloropropane <br />1,2,4-Trimethylbenzene <br />ND <br />ND <br />ug/L <br />ug/L <br />1.0 <br />0.50 <br />0.24 <br />0.12 <br />EPA -8260 <br />EPA -8260 <br />ND <br />ND <br />1 <br />1 <br />1,3,5-Trimethylbenzene <br />ND <br />ug/L <br />0.50 <br />0.12 <br />EPA -8260 <br />ND <br />Vinyl chloride <br />ND <br />ug/L <br />0.50 <br />0.12 <br />EPA -8260 <br />ND <br />1 <br />Total Xylenes <br />ND <br />ug/L <br />1.0 <br />0.36 <br />EPA -8260 <br />ND <br />1 <br />Acetone <br />ND <br />ug/L <br />10 <br />4.6 <br />EPA -8260 <br />9.6 <br />1 <br />Acetonitrile <br />ND <br />ug/L <br />10 <br />5.5 <br />EPA -8260 <br />ND <br />1 <br />Acrylonitrile <br />ND <br />ug/L <br />5.0 <br />1.2 <br />EPA -8260 <br />ND <br />Carbon disulfide <br />trans-l,4-Dichloro-2-butene <br />ND <br />ND <br />ug/L <br />1.0 <br />5.0 <br />0.38 <br />1.4 <br />EPA -8260 <br />EPA <br />ND <br />ND <br />1 <br />ug/L <br />-8260 <br />1 <br />2-Hexanone <br />ND <br />ug/L <br />10 <br />3.4 <br />EPA -8260 <br />ND <br />1 <br />Methyl ethyl ketone <br />ND <br />ug/L <br />10 <br />2.5 <br />EPA -8260 <br />ND <br />1 <br />Methyl iodide <br />ND <br />ug/L <br />2.0 <br />0.47 <br />EPA -8260 <br />ND <br />1 <br />Methyl isobutyl ketone <br />ND <br />ug/L <br />10 <br />2.1 <br />EPA -8260 <br />ND <br />1 <br />Vinyl acetate <br />ND <br />ug/L <br />10 <br />1.8 <br />EPA -8260 <br />ND <br />1 <br />p- & m -Xylenes <br />ND <br />ug/L <br />0.50 <br />0.28 <br />EPA -8260 <br />ND <br />o -Xylene <br />ND <br />ug/L <br />0.50 <br />0.082 <br />EPA -8260 <br />ND <br />1 <br />1,2-Dichloroethane-d4 (Surrogate) <br />107 <br />% <br />76 - 114 (LCL - <br />UCL) <br />EPA -8260 <br />1 <br />Toluene -d8 (Surrogate) <br />98.6 <br />% <br />88-110 (LCL - <br />UCL) <br />EPA -8260 <br />1 <br />4 Bromofluorobenzene (Surrogate) <br />97.8 <br />% <br />86-115 (LCL - <br />UCL) <br />EPA -8260 <br />1 <br />Run <br />QC <br />Run # Method <br />Prep Date <br />Date/Time <br />Analyst <br />Instrument Dilution <br />Batch ID <br />1 EPA -8260 <br />11/04/11 <br />11/04/11 22:51 MGC <br />MS -V5 1 <br />BUK0331 <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 <br />for the exclusive use of the submitting party. BC Laboratories, <br />Inc. assumes no responsibility for report alteration, <br />separation, detachment or third party interpretation. <br />4100 Atlas Court Bakersfield, CA 93308 (661) 327-4911 FAX <br />(661) 327-1918 www.bclabs.com <br />Page 7 of 18 <br />