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i <br /> Laboratories Inc. I -�J <br /> Environmental Testing Laboratory Since 1949 <br /> CB&I Reported: 02/12/2014 10:57 <br /> i180 Promenade Circle,Suite 320 Project: North County LF,SJ County <br /> Sacramento,CA 95834 Project Number. Annual 149270 <br /> Project Manager: Sheila Richgels <br /> i 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: BXA1888 Used client sample: N <br /> Benzene MS 1400811-55 ND 30.392 25.000 ug/L 122 70-130 <br /> MSD 1400811-55 ND 29.964 25.000 ug/L 1.4 120 20 70-130 <br /> Bromodichloromethane MS 1400811-55 ND 27.393 25.000 ug/L 110 70-130 <br /> MSD 1400811-55 ND 27.742 25.000 ug/L 1.3 111 20 70-130 <br /> Chlorobenzene MS 1400811-55 ND 23.857 25.000 ug/L 95.4 70-130 <br /> iMSD 1400811-55 ND 23.567 25.000 ug/L 1.2 94.3 20 70-130 <br /> Chloroethane MS 1400811-55 ND 30.632 25.000 ug/L 123 70-130 <br /> MSD 1400811-55 ND 30.064 25.000 ug/L 1.9 120 20 70-130 <br /> 1,4-Dichlorobenzene MS 1400811-55 ND 23.676 25.000 ug/L. 94.7 70-130 <br /> MSD 1400811-55 ND 25.227 25.000 ug/L 6.3 101 20 70-130 <br /> 1,1-Dichloroethane MS 1400811-55 ND 30.715 25.000 ug/L. 123 70-130 <br /> MSD 1400811-55 ND 30.073 25.000 ug/L 2.1 120 20 70-130 <br /> 1,1-Dichloroethene MS 1400811-55 ND 32.287 25.000 ug/L 129 70-130 <br /> MSD 1400811-55 ND 31.940 25.000 ug/L 1.1 128 20 70-130 <br /> Toluene MS 1400811-55 ND 27.694 25.000 ug/L 111 70-130 <br /> MSD 1400811-55 ND 28.257 25.000 ug/L 2.0 113 20 70-130 <br /> Trichloroethene MS 1400811-55 ND 31.549 25.000 ug/L 126 70-130 <br /> MSD 1400811-55 ND 32.168 25.000 ug/L 1.9 129 20 70-130 <br /> i 1,2-Dichloroethane-d4(Surrogate) MS 1400811-55 ND 10.890 10.000 ug/L 109 75-125 <br /> MSD 1400811-55 ND 10.560 10.000 ug/L 3.1 106 75-125 <br /> Toluene-d8(Surrogate) MS 1400811-55 ND 10.510 10.000 ug/L 105 80-120 <br /> iMSD 1400811-55 ND 10.630 10.000 ug/L 1.1 106 80-120 <br /> 4-Bromofluorobenzene(Surrogate) MS 1400811-55 ND 10.910 10.000 ug/L 109 80-120 <br /> MSD 1400811-55 ND 9.6900 10.000 ug/L. 11.8 96.9 80-120 <br /> 1 <br /> The results in this report apply to the samples analyzed in accordance with the chain ojcustody 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 i.,e pretatioa <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bdabs.com Page 38 of 43 <br />