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II <br />ff�oriesnc.l Teing Laboratory Since 1949 <br />APTIM Sacramento Reported: 09/07/2018 13:54 <br />180 Promenade Circle, Suite 320 Project: Foothill Landfill <br />Sacramento, CA 95834 Project Number: 631230195, Resample Lysimeter LZ -4, LZ -5 <br />Project Manager: Sheila Richgels <br />Volatile Organic Analysis (EPA Method 8260 13) <br />Quality Control Report - 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 Quals <br />QC Batch ID: 8023967 <br />Used <br />client sample: <br />Y -Description: <br />MW2, <br />08/28/2018 <br />07:19 <br />Benzene <br />MS <br />1826862-01 <br />ND <br />25.388 <br />25.000 <br />ug/L <br />102 <br />70-130 <br />MSD <br />1826862-01 <br />ND <br />25.221 <br />25.000 <br />ug/L <br />0.7 <br />101 <br />20 <br />70-130 <br />Bromodichloromethane <br />MS <br />1826862-01 <br />ND <br />26.496 <br />25.000 <br />ug/L <br />106 <br />70-130 <br />MSD <br />1826862-01 <br />ND <br />25.468 <br />25.000 <br />ug/L <br />4.0 <br />102 <br />20 <br />70-130 <br />Chlorobenzene <br />MS <br />1826862-01 <br />ND <br />24.370 <br />25.000 <br />ug/L <br />97.5 <br />70-130 <br />MSD <br />1826862-01 <br />ND <br />24.125 <br />25.000 <br />ug/L <br />1.0 <br />96.5 <br />20 <br />70-130 <br />Chloroethane <br />MS <br />1826862-01 <br />ND <br />20.199 <br />25.000 <br />ug/L <br />80.8 <br />70-130 <br />MSD <br />1826862-01 <br />ND <br />23.053 <br />25.000 <br />ug/L <br />13.2 <br />92.2 <br />20 <br />70-130 <br />1,4 -Dichlorobenzene <br />MS <br />1826862-01 <br />ND <br />23.651 <br />25.000 <br />ug/L <br />94.6 <br />70-130 <br />MSD <br />1826862-01 <br />ND <br />21.833 <br />25.000 <br />ug/L <br />8.0 <br />87.3 <br />20 <br />70-130 <br />1,1-Dichloroethane <br />MS <br />1826862-01 <br />ND <br />25.513 <br />25.000 <br />ug/L <br />102 <br />70-130 <br />MSD <br />1826862-01 <br />ND <br />25.153 <br />25.000 <br />ug/L <br />1.4 <br />101 <br />20 <br />70-130 <br />1,1-Dichloroethene <br />MS <br />1826862-01 <br />ND <br />26.128 <br />25.000 <br />ug/L <br />105 <br />70-130 <br />MSD <br />1826862-01 <br />ND <br />25.932 <br />25.000 <br />ug/L <br />0.8 <br />104 <br />20 <br />70-130 <br />Toluene <br />MS <br />1826862-01 <br />ND <br />24.959 <br />25.000 <br />ug/L <br />99.8 <br />70-130 <br />MSD <br />1826862-01 <br />ND <br />24.467 <br />25.000 <br />ug/L <br />2.0 <br />97.9 <br />20 <br />70-130 <br />Trichloroethene <br />MS <br />1826862-01 <br />ND <br />24.399 <br />25.000 <br />ug/L <br />97.6 <br />70-130 <br />MSD <br />1826862-01 <br />ND <br />23.941 <br />25.000 <br />ug/L <br />1.9 <br />95.8 <br />20 <br />70-130 <br />1,2-Dichloroethane-d4 (Surrogate) <br />MS <br />1826862-01 <br />ND <br />10.240 <br />10.000 <br />ug/L <br />102 <br />75-125 <br />MSD <br />1826862-01 <br />ND <br />10.270 <br />10.000 <br />ug/L <br />0.3 <br />103 <br />75-125 <br />Toluene -d8 (Surrogate) <br />MS <br />1826862-01 <br />ND <br />9.9600 <br />10.000 <br />ug/L <br />99.6 <br />80-120 <br />MSD <br />1826862-01 <br />ND <br />9.9800 <br />10.000 <br />ug/L <br />0.2 <br />99.8 <br />80-120 <br />4-Bromofluorobenzene (Surrogate) <br />MS <br />1826862-01 <br />ND <br />8.5900 <br />10.000 <br />ug/L <br />85.9 <br />80-120 <br />MSD <br />1826862-01 <br />ND <br />9.5500 <br />10.000 <br />ug/L <br />10.6 <br />95.5 <br />80-120 <br />The results in this report apply to the samples analy_ed in accordance wilt the chain of eustody docun+ew. 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 />Report ID: 1000789591 4100 Atlas Court Bakersfield, CA 93308 (661) 327-4911 FAX (661) 327-1918 www.bclabs.com Page 15 of 16 <br />