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Laboratories Inc.-M� I <br /> Environmental Testing Laboratory Since 1949 <br /> Shaw Reported: 07/30/2012 13:47 <br /> 180 Promenade Circle,Suite 320 Project: Corral Hollow LF,SJ County <br /> Sacramento,CA 95834 Project Number. 139881 <br /> Project Manager: Sheila Richgels <br /> Volatile Organic Analysis (EPA Method 8260) <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: BVG0749 Used client sample: N <br /> Benzene MS 1212765-03 ND 21.710 25.000 ug/L 86.8 70-130 <br /> MSD 1212765-03 ND 23.010 25.000 ug/L 5.8 92.0 20 70-130 <br /> Bromodichloromethane MS 1212765-03 ND 22.820 25.000 ug/L 91.3 70-130 <br /> MSD 1212765-03 ND 22.750 25.000 ug/L 0.3 91.0 20 70-130 <br /> Chlorobenzene MS 1212765-03 ND 24.640 25.000 ug/L 98.6 70-130 <br /> MSD 1212765-03 ND 23.310 25.000 ug/L 5.5 93.2 20 70-130 <br /> Chloroethane MS 1212765-03 ND 20.500 25.000 ug/L 82.0 70-130 <br /> MSD 1212765-03 ND 22.860 25.000 ug/L 10.9 91.4 20 70-130 <br /> 1,4-Dichlorobenzene MS 1212765-03 ND 23.240 25.000 ug/L 93.0 70-130 <br /> MSD 1212765-03 ND 23.190 25.000 ug/L 0.2 92.8 20 70-130 <br /> 1,1-Dichloroethane MS 1212765-03 ND 21.300 25.000 ug/L 85.2 70-130 <br /> MSD 1212765-03 ND 22.980 25.000 ug/L 7.6 91.9 20 70-130 <br /> 1,1-Dichloroethene MS 1212765-03 ND 21.450 25.000 ug/L 85.8 70-130 <br /> MSD 1212765-03 ND 23.480 25.000 ug/L 9.0 93.9 20 70-130 <br /> Toluene MS 1212765-03 ND 23.000 25.000 ug/L 92.0 70-130 <br /> MSD 1212765-03 ND 23.540 25.000 ug/L 2.3 94.2 20 70-130 <br /> Trichloroethene MS 1212765-03 ND 23.920 25.000 ug/L 95.7 70-130 <br /> MSD 1212765-03 ND 23.240 25.000 ug/L 2.9 93.0 20 70-130 <br /> 1,2-Dichloroethane-d4(Surrogate) MS 1212765-03 ND 9.8000 10.000 ug/L 98.0 75-125 <br /> MSD 1212765-03 ND 10.300 10.000 ug/L 5.0 103 75-125 <br /> Toluene-d8(Surrogate) MS 1212765-03 ND 9.9100 10.000 ug/L 99.1 80-120 <br /> MSD 1212765-03 ND 10.020 10.000 ug/L 1.1 100 80-120 <br /> 4-Bromofluorobenzene(Surrogate) MS 1212765-03 ND 10.230 10.000 ug/L 102 80-120 <br /> MSD 1212765-03 ND 10.100 10.000 ug/L 1.3 101 80-120 <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 party. BC Laboratories,Inc.assumes no responsibility for report ahm&tion,separation,detachment or third party imerpretatioa <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bdabs.com Page 54 of 58 <br />