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Laboratories Inc. � ll <br /> Environmental Tesiing Lab l tory Since 1949 <br /> TRC Reported: 09/1512010 9:36 <br /> 123 Technology Drive Project: 10013 <br /> Irvine,CA 92618 Project Number: 4512968329 <br /> Project Manager: Anju Farfan <br /> Volatile Organic Analysis (EPA Method 8260) <br /> Quality Control Report - Laboratory Control Sample <br /> Control Limits <br /> Spike Percent Percent <br /> Constituent QC Sample ID Type Result Level Units Recovery RPD Recovery RPD 7LbQul. <br /> QC Batch ID: 6710141 <br /> Benzene BT10141-BS1 LCS 29.380 25.000 ug/L 118 70-130 <br /> Toluene BT10141-BSI LCS 28.200 25.000 ug/L - 113 70-130 <br /> 1,2-Dichlor wthane-d4(Surrogate) BT10141-BS1 LCS 10.480 10.000 ug/L 105 76-114 <br /> Toluene-d8(Surrogate) BT10141-BS1 LCS 10.540 10.000 ugA- 105 88-110 <br /> 4-8romoflucrobenzene(Surrogate) BT10141-BSI LCS 9.6700 10.000 ug/L 96.7 86-115 <br /> The resulu in this report apply to the sampler analyzed in accordance with the chain of custody documm1.nit o on yrical report must be reproduced in its mlirery. <br /> All«svlu Asted ip phis report aze fw the exclusive use of tlic s�bminina wrtYaC Isbontwia,lee..-.mes no resppnsibility(w report plt<r>lipq upazatian,demehmem or(Aird tarry inierprewdov. <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327A911 FAX(661)327-1918 v .bclabs.wrn Page 79 of 87 <br />