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1 <br />c Laboratories Inc. i <br />Environmental Testing Laboratory Since 1949 <br />Volatile Organic Analysis (EPA Method 260) <br />Quality Control Report - Method Blank Analysis <br />Constituent <br />QC Sample ID <br />MB Result Units <br />PQL <br />MDL Lab Quals <br />' <br />QC Batch ID: BTF1132 <br />Benzene BTF1132-BLK1 <br />NO <br />UgA- <br />0.50 <br />Bromochloromethane <br />BTF1132-BLK1 <br />NO <br />__. <br />ug/L <br />0.50 <br />0.23 <br />Bromodichloromethane <br />BTF1132-BLK1 <br />NO <br />ug/L <br />0.50 <br />0.12 <br />Bromoform <br />BTF1132-BLK1 <br />NO <br />ug/L <br />0.50 <br />0.23 <br />Bromomethane <br />BTF1132-BLK1 <br />NO <br />ug/L <br />1.0 <br />0.20 <br />Carton tetrachloride <br />BTF1132-BLK1 <br />NO <br />ug/L <br />0.50 <br />0.18 <br />Chlorobenzene <br />BTF1132-BLK1 <br />NO <br />ug/L <br />0.50 <br />0.081 <br />Chloroethane <br />BTF1132-BLK1 <br />NO <br />ug/L <br />0.50 <br />0.11 <br />Chloroform <br />BTF1132-BLK1 <br />NO <br />ug/L <br />0.50 <br />0.072 <br />Chloromethane <br />BTF113243LK1 <br />NO <br />ug/L <br />0.50 <br />0.11 <br />Dibromochloromethane <br />BTF1132-BLK1 <br />NO <br />ug/L <br />0.50 <br />0.077 <br />---_--- <br />1,2-Dibromo-3-chloropropane <br />BTF1132-BLK1 <br />NO <br />ug/L <br />- --- .. - ---- <br />1.0 <br />--_...._-- -- <br />0.44 <br />1,2-Dibromoethane <br />Dibromomethane <br />BTF1132-BLK1 <br />BTF1132-BLK1 <br />NO <br />NO <br />ug/L <br />ug/L <br />0.50 <br />0.50 <br />0.16 <br />0.19 <br />1,2 -Dichlorobenzene <br />BTF1132-BLK1 <br />NO <br />ug/L <br />0.50 <br />0.068 <br />1,3 -Dichlorobenzene <br />1,4 -Dichlorobenzene <br />BTF1132-BLK1 <br />BTF1132-BLK1 <br />NO <br />NO <br />ug/L <br />ug/L <br />0.50 <br />0.50 <br />0.060 <br />0.083 <br />Dichlorodifluoromethane <br />BTF1132-BLK9 <br />NO <br />ug/L <br />0.50 <br />0.11 <br />1,1-Dichloroethane <br />BTF1132-BLK1 <br />NO <br />ug/L <br />0.50 <br />0.081 <br />1,2-Dichloroethane <br />- - -- - BTF1132-BLK1-�T <br />NO <br />ug/L <br />0.50 -- --Y <br />0.14 -- --- <br />1,1`01chloroethene <br />BTF1132-BLK1 <br />NO <br />ug/L <br />0.50 <br />0.12 <br />cis-1,2-Dichloroethene <br />-- <br />BTF1132-BLK1 <br />_ -- <br />NO <br />ug/L <br />0.50 <br />- <br />0.11 <br />trans-1,2-Dichloroethene <br />BTF1132-BLK1 <br />NO <br />ug/L <br />0.50 <br />0.097 <br />1,2-Dichloropropane <br />BTF1132-BLK1 <br />NO <br />ug/L <br />0.50 <br />0.12 <br />1,3-Dicthloropropane <br />BTF1132-BLK1 <br />NO <br />ug/L <br />0.50 <br />01099 <br />trans-1,3-Dichloropropene <br />BTF1132-BLK1 <br />NO <br />ug/L <br />0.50 <br />0.079 <br />Ethylbenzene <br />BTF1132-BLK1 <br />NO <br />ug/L <br />0.50 <br />0.12 <br />Hexachlorobutadiene <br />BTF1132-BLK1 <br />NO <br />ug/L <br />0.50 <br />0.12 <br />- - <br />' <br />Methylene chloride <br />BTF1132_BLK1 <br />NO <br />---- - ug/L <br />1.0 <br />0.50 -_- - <br />Methyl t -butyl ether <br />BTF1132-BLK1 <br />^ - <br />NO <br />--._- <br />ug/L <br />_ <br />0.50 <br />0.11 <br />Naphthalene <br />Styrene <br />BTF1132-BLK1 <br />BTF1132-BLK1 <br />NO <br />NO <br />ug/L <br />u91L <br />0.50 <br />0.50 <br />0.36 <br />0.093 <br />1,1,2,2 -Tetrachloroethane <br />BTF1132-BLK1 <br />NO <br />ug/L <br />0.50 <br />0.14 <br />Tetrachloroethene - <br />---- BTF9132-BLK1 -_ <br />NO <br />ug/L ---_- <br />0.50 ------------0.13 <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 ertttrety. <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.bclabs.com Page 25 of 29 <br />