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I <br />— Labo�ato�aes Inc�1949 <br />Environmental Testing Laboratory Since <br />CB&I Reported: 02/04/2014 10:00 <br />180 Promenade Circle, Suite 320 Project: Foothill Landfill <br />Sacramento, CA 95834 Project Number: 149269 <br />Project Manager: Sheila Richgels <br />Volatile Organic Analysis (EPA Method 82606) <br />Quality Control Repo - Precision & Accuracy <br />Control Limits <br />Source Source Spike Percent Percent Lab <br />Constituent Type Sample ID Result Result Added Units RPD Recovery RPD Recovery Ot <br />QC Batch ID: BXA1498 <br />I Used client sample: <br />N <br />1,1-Dichloroethene <br />MS <br />1400811-23 <br />ND <br />29.195 <br />25.000 <br />ug/L <br />117 <br />70-130 <br />MSD <br />1400811-23 <br />ND <br />30.048 <br />25.000 <br />ug/L <br />2.9 120 <br />20 70-130 <br />Toluene <br />MS <br />1400811-23 <br />ND <br />26.933 <br />25.000 <br />ug/L <br />108 <br />70-130 <br />MSD <br />1400811-23 <br />ND <br />27.378 <br />25.000 <br />ug/L <br />1.6 110 <br />20 70-130 <br />Trichloroethene <br />MS <br />1400811-23 <br />ND <br />29.412 <br />25.000 <br />ug/L <br />118 <br />70-130 <br />MSD <br />1400811-23 <br />ND <br />30.168 <br />25.000 <br />ug/L <br />2.5 121 <br />20 70-130 <br />1,2-Dichloroethane-d4 (Surrogate) <br />MS <br />1400811-23 <br />ND <br />9.7900 <br />10.000 <br />ug/L <br />97.9 <br />75-125 <br />MSD <br />1400811-23 <br />ND <br />9.8800 <br />10.000 <br />ug/L <br />0.9 98.8 <br />75-125 <br />Toluene -d8 (Surrogate) <br />MS <br />1400811-23 <br />ND <br />10.100 <br />10.000 <br />ug/L <br />101 <br />80-120 <br />MSD <br />1400811-23 <br />ND <br />10.140 <br />10.000 <br />ug/L <br />0.4 101 <br />80-120 <br />4-Bromofluorobenzene (Surrogate) <br />MS <br />1400811-23 <br />ND <br />10.410 <br />10.000 <br />ug/L <br />104 <br />80-120 <br />MSD <br />1400811-23 <br />ND <br />10.320 <br />10.000 <br />ug/L <br />0.9 103 <br />80-120 <br />The results in this report apply to the samples analyzed in <br />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.bclabs.com Page 35 39 <br />of <br />