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or- <br />Laboratories, Inc. I U <br />Environmental Testing Laboratory Since 1949 <br />alp <br />180 Promenade Circle, Suite 320 <br />Sacramento, CA 95834 <br />Reported: <br />Project: <br />Project Number. <br />Project Manager: <br />02/04/2013 14:55 <br />North County LF, SJ County <br />139874 <br />Sheila Richgels <br />Volatile Organic Analysis (EPA Method 8260) <br />Quality Control Repo - Method Blank Analysis <br />Constituent <br />QC Sample ID MB Result <br />Units <br />PQL <br />MDL Lab Quaffs <br />QC Batch ID: BWA1559 <br />Vinyl acetate <br />BWA1559-BLK1 <br />ND <br />ug/L <br />10 <br />1.8 <br />1,2-Dichloroethane-i4 (Surrogate) <br />BWA1559-BLK1 <br />107 <br />% <br />75 - 125 (LCL - UCL) <br />Toluene-d8 (Surrogate) <br />BWA1559-BLK1 <br />98.6 <br />% <br />80 - 120 (LCL - UCL) <br />4-Bromofluorobenzene (Surrogate) <br />BWA1559-BLK1 <br />91.9 <br />% <br />80 - 120 (LCL - UCL) <br />QC Batch ID: BWA1609 <br />Benzene <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.083 <br />Bromobenzene <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.13 <br />Bromochloromethane <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.24 0 <br />Bromodichloromethane <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.14 <br />Bromoform <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.27 <br />Bromomethane <br />BWA1609-BLK1 <br />ND <br />ug/L <br />1.0 <br />0.25 <br />Aliftutylbenzene <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.11 <br />c-Butylbenzene <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.15 <br />tert-Butylbenzene <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.13 <br />Carbon tetrachloride <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.18 <br />Chlorobenzene <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.093 <br />Chloroethane <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.14 <br />Chloroform <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.12 <br />Chloromethane <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.14 <br />2-Chlorotoluene <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.20 <br />4-Chlorotoluene <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.15 <br />Dibromochloromethane <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.13 <br />1,2-Dibromo-3-chloropropane <br />BWA1609-BLK1 <br />ND <br />ug/L <br />1.0 <br />0.44 <br />1,2-Dibromoethane <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.16 <br />Dibromomethane <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.24 <br />1,2-Dichlorobenzene <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.072 <br />1,3-Dichlorobenzene <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.15 <br />1,4-Dichlorobenzene <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.062 <br />Dichlorodifluoromethane <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.099 <br />1,1-Dichloroethane <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.11 <br />1,2-Dichloroethane <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.17 <br />1,1-Dichioroethene <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.18 <br />12-Dichioroethene <br />BWA1609-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.085 <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 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 31 of 40 <br />