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Laboratories, Inc. <br /> Environmental Testing Laboratory Since 1949 <br /> Stantec Reported: 03/28/2011 14.29 <br /> 3475 W.Shaw Avenue,Suite 104 Project: Calpines <br /> Fresno,CA 93711 Project Number. 185802394 <br /> Project Manager. Ralph Carson <br /> Volatile Organic Analysis (EPA Method 8260) <br /> Quality Control Report - Laboratory Control Sample <br /> Control Limits <br /> Spike Percent Percent Lab <br /> Constituent QC Sample ID Type Result Level Units Recovery RPD Recovery RPD Quals <br /> QC Batch ID: BLIC0881 <br /> Benzene BUC0881-BS1 LCS 0.12475 0.12500 mg/kg 99.8 70-130 <br /> Bromooichlommethane BUC0881-BS7 LCS 0.12989 0.12500 mg/kg 104 70-130 <br /> Chlombenzene BUC0881-Bs1 LCS 0.13749 0.12500 mg/kg 110 70-130 <br /> Chloroethane BUC0881-es1 LCS 0.12420 0.12500 mg/kg 99.4 70-130 <br /> 1,4-Dichlorobenzene BUC0881-BSI LCS 0.14333 0.12500 mg/kg 115 70-130 <br /> 1,1-Dichloroethane BUC0881-BSI LCS 0.12576 0.12500 mg/kg 101 70-130 <br /> 1,1-Dirhlomethene 8000881-BSI LCS 0.12989 0.12500 mglkg 104 70-130 <br /> Toluene BUC0881-BS1 LCS 0.13277 0.12500 mg/kg 106 70-130 <br /> Trichloroethene BUC0881-BS1 LCS 0.13373 0.12500 mg/kg 107 70-130 <br /> 1,2-Dichloreethane-d4(Surrogate) BUCO881-BS1 LCS 0.050209 0.050000 mglkg 100 70-121 <br /> Toluene-de(Surrogate) BUC0881-BS1 LCS 0.049730 0.050000 mglkg 99.5 81-117 <br /> 4-BromoBuorobenzene(Surrogate) BUC0881-BS1 LCS 0.053043 0.050000 mg/kg 106 74-121 <br /> /he reaulrn"the"e ,apply.,h,romplee onulyzed m a—,dame... rhe uharn yl ennodp dueumene Thts amlY/rcu/rppnrt mus/be reproduced in irr enrirery. <br /> All results liarni In Mis report are for the exclusbe use ofth—hmatiny pan, BC"Wn .J.. rcspprasibiliry fw report alteration.srovatiun.Machment or third pony lnrerpreuuon. <br /> 4100 Atlas Court Bakersfield,CA 93306 (661)327-4911 FAX(561)327-1918 www.bclabs.com Page 26 of 35 <br />