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Laboratories Inc. I U1, <br /> Environmental Testing Laboratory Since 1949 <br /> Shaw Reported: 02/03/2012 15:37 <br /> 180 Promenade Circle,Suite 320 Project: Harney Lane,S.J.County <br /> Sacramento,CA 95834 Project Number. 139866 <br /> Project Manager: Sheila Richgels <br /> Volatile Organic Analysis (EPA ethod 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: BVA1761 Used client sample: N <br /> 1,1-Dichloroethene MS 1201254-01 ND 27.680 25.000 ug/L 111 70-130 <br /> MSD 1201254-01 ND 27.190 25.000 ug/L 1.8 109 20 70-130 <br /> Toluene MS 1201254-01 ND 25.720 25.000 ug/L 103 70-130 <br /> MSD 1201254-01 ND 24.920 25.000 ug/L 3.2 99.7 20 70-130 <br /> Trichloroethene MS 1201254-01 ND 26.550 25.000 ug/L 106 70-130 <br /> MSD 1201254-01 ND 26.020 25.000 ug/L 2.0 104 20 70-130 <br /> 1,2-Dichloroethane-d4(Surrogate) MS 1201254-01 ND 10.110 10.000 ug/L 101 76-114 <br /> MSD 1201254-01 ND 10.370 10.000 ug/L 2.5 104 76-114 <br /> Toluene-d8(Surrogate) MS 1201254-01 ND 10.010 10.000 ug/L 100 88-110 <br /> MSD 1201254-01 ND 9.9200 10.000 ug/L 0.9 99.2 88-110 <br /> 4-Bromofluorobenzene(Surrogate) MS 1201254-01 ND 9.8500 10.000 ug/L 98.5 86-115 <br /> MSD 1201254-01 ND 10.100 10.000 ug/L 2.5 101 86-115 <br /> r <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 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 44 of 49 <br />