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u <br />0 <br />Ci <br />11 <br />r, <br />L' <br />I <br />C <br />C <br />L� <br />I <br />I <br />r <br />Laboratories, Inc. <br />Environmental Testing Laboratory Since 1949 <br />Geologic Associates Reported: <br />04/12/2012 9:31 <br />11415 West Bernardo Court, Suite 200 Project: <br />Corral Hollow <br />San Diego, CA 92127 Project Number: <br />2011-0115 <br />Project Manager: <br />John Hower <br />►�[+1 F 1 C� Tt'FTrYC•�;f if11 �1 :7_\ ►�j Ml rTO : 9:3111#11 <br />Quality Control Report - Method Blank Analysis <br />Constituent QC Sample ID MB Result Units PQL MDL Lab Quals <br />QC Batch ID: BVC2333 <br />Vinyl acetate <br />BVC2333-BLK1 <br />ND <br />ug/L <br />10 <br />1.8 <br />p- & m -Xylenes <br />BVC2333-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.28 <br />o -Xylene <br />-- - <br />BVC2333-BLK1 <br />-- - <br />ND <br />ug/L <br />- --- <br />0.50 <br />- <br />0.082 <br />1,2-Dichloroethane-d4 (Surrogate) <br />BVC2333-BLK1 <br />92.8 <br />% <br />76 - 114 <br />(LCL - UCL) <br />Toluene -d8 (Surrogate) <br />BVC2333-BLK1 <br />98.2 <br />% <br />88 - 110 <br />(LCL - UCL) <br />4-Bromofluorobenzene (Surrogate) <br />BVC2333-BLK1 <br />94.5 <br />% <br />86 - 115 <br />(LCL - UCL) <br />QC Batch ID: BVC2348 <br />Benzene <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.083 <br />Bromobenzene <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.13 <br />Bromochloromethane <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.24 <br />Bromodichloromethane <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.14 <br />Bromoform <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.27 <br />Bromomethane <br />BVC2348-BLK1 <br />ND <br />ug/L <br />1.0 <br />0.25 <br />n-Butylbenzene <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.11 <br />sec-Butylbenzene <br />BVC2348-BLKI <br />ND <br />ug/L <br />0.50 <br />0.15 <br />tert-Butylbenzene <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.13 <br />Carbon tetrachloride <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.18 <br />Chlorobenzene <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.093 <br />Chloroethane <br />BVC2348-BLKI <br />ND <br />ug/L <br />0.50 <br />0.14 <br />Chloroform <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.12 <br />Chloromethane <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.14 <br />2-Chlorotoluene <br />BVC2348-BLKI <br />ND <br />ug/L <br />0.50 <br />0.20 <br />4-Chlorotoluene <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.15 <br />Dibromochloromethane <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.13 <br />1,2-Dibromo-3-chloropropane <br />BVC2348-BLK1 <br />ND <br />ug/L <br />1.0 <br />0.44 <br />1,2-Dibromoethane <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.16 <br />Dibromomethane <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.24 <br />1,2 -Dichlorobenzene <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.072 <br />1,3 -Dichlorobenzene <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.15 <br />1,4 -Dichlorobenzene <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.062 <br />Dichlorodifluoromethane <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.099 <br />1,1-Dichioroethane <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.11 <br />1,2-Dichloroethane <br />BVC2348-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.17 <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 parry. 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 23 of 32 <br />