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:M Laboratories Inc. I't'i <br />Environmental Testing Laboratory Since 1949 <br />>haw Reported: <br />06/08/2010 11:34 <br />326 North Market Boulevard Project: <br />Foothill Landfill <br />;acramento, CA 95834 Project Number: <br />124591 <br />Project Manager: <br />Sheila Richgels <br />Volatile Organic Analysis (EPA Method 8260) <br />Quality Control Report - Laboratory Control Sample <br />Control Limits <br />Spike Percent Percent <br />Constituent QC Sample ID Type Result Level Units Recovery RPD Recovery RPD Lab Quals <br />QC Batch ID: BTE1504 <br />LCS <br />LCS <br />21.470 <br />23.570 <br />25.000 <br />25.000 <br />ug/L <br />ug/L <br />85.9 <br />94.3 <br />70-130 <br />70-130 <br />BTE1504-BSI <br />Benzene <br />BTE1504-BS1 <br />LCS <br />23.480 <br />25.000 <br />ug/L <br />93.9 <br />70- 130 <br />Bromodichloromethane <br />BTE1504-BS1 <br />LCS <br />19.850 <br />25.000 <br />ug/L <br />79.4 <br />70-130 <br />Chlorobenzene <br />BTE1504-BS1 <br />LCS <br />23.630 <br />25.000 <br />ug/L <br />94.5 <br />70-130 <br />Chloroethane <br />BTE1504-BS1 <br />LCS <br />23.470 <br />25.000 <br />ug/L <br />93.9 <br />70- 130 <br />1,4 -Dichlorobenzene BTE1504-BS1 LCS 24.010 25.000 ug/L 96.0 70- 130 <br />1,1-Dichloroethane <br />1,1-Dichloroethene <br />Toluene <br />Trichloroethene <br />1,2-Dichloroethane-d4 (Surrogate) <br />Toluene d8 (Surrogate) <br />10 <br />4-Bromofluorobenzene (Surrogate) <br />G <br />BTE1504-BS1 <br />BTE1504-BS1 <br />LCS <br />LCS <br />21.470 <br />23.570 <br />25.000 <br />25.000 <br />ug/L <br />ug/L <br />85.9 <br />94.3 <br />70-130 <br />70-130 <br />BTE1504-BSI <br />LCS <br />21.580 <br />25.000 <br />ug/L <br />86.3 <br />70- 130 <br />BTE1504-BS1 <br />LCS <br />21.950 <br />25.000 <br />ug/L <br />87.8 <br />70- 130 <br />BTE1504-BS1 <br />LCS <br />9.2800 <br />10.000 <br />ug/L <br />92,8 <br />76-114 <br />BTE1504 BS1 <br />LCS <br />9.7200 <br />10.000 <br />ug/L <br />97.2 <br />88-110 <br />BTE1504 BS1 <br />LCS <br />9.0600 <br />10.000 <br />ug/L <br />90.6 <br />86-115 <br />7 h results in /his report apply to the samples analyzed in accordance with the chain ofcustody 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 parry interpretation. <br />4100 Atlas Court Bakersfield, CA 93308 (661) 327-4911 FAX (661) 327-1918 www.bclabs.com Page 14 of 19 <br />