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iJ <br /> M��ora!ories Inc.entalTting Laboratory Since 1949 <br /> Ground Zero Analysis,Inc. Reported: .06/25/2013 15:28 <br /> 1172 Kansas Avenue ;Project: Fremont Gate <br /> CModesto,CA 95354 - Project Number: 2010.2 Project Manager Project Manager <br /> I <br /> Volatile Organic Analysis (EPA'Method 8260) <br /> Quality Control Report - Laboratory Control Sample <br /> [ ) Control Limits <br /> Spike Percent Percent Lab <br /> Ir Constituent QC Sample ID Type Result Level Units Recovery RPD Recovery RPD Quals <br /> QC Batch ID: BWF1378 <br /> Benzene BWF1378-BS1 LCS '0.13712 0.12500 mg/kg 110 70-130 <br /> -� Bromodichloromethanes BWF1378-BS1 LCS 0.12417 0.12500 mg/kg ii 99.3 70-130 <br /> Chlorobenzene BWF1378-BS1 LCS 0.12828 0.12500 mg/kg 103 70-130 <br /> Chloroethane BWF1378-BS1 LCS 0.12635 0.12500 mg/kg 101 70-130 <br /> 1,4-Dichlorobenzene BWF1378.BSI LCS 0.12700- 0.12500 mg/kg 102 70-130 <br /> 1,1-Dichloroethane BWF1378-BS1 LCS 0.13024 0.12500 mg/kg- 104 70-130 <br /> . 1,1-Dichloroethene BWF1378-BS1 LCS 0.12351 0.12500 malts i 98.8 70-130 <br /> , <br /> Toluene BWF1378-BS1 LCS 0.12676 0.12500 mg/kg 101 70-130 <br /> Trichloroethene BWF1378-BS1 LCS 0.12068 0.12500 mg/kg: 98.5 70-130 <br /> 1,2-Dichloroethane-d4(Surrogate) BWF1378-BSI LCS 0.048080 0.050000 mg/kg 96.2 70-121 <br /> Toluene-d8(Surrogate) BWF1378-BS1 LCS 0.050440 - 0.050000 mg/kg 101 81-117 <br /> 4-Bromofluambenzene(Surrogate) BWF1378-BS1 LCS 0.050270 0.050000 mg/kg, 101 74-121 <br /> b <br /> L <br /> The results in this report apply to the samples analyzed in accordance with the chain ofenslody document.7hwanalytiml report must be repreaured in its entirety. <br /> All results listed in this report am for the exclusive use ofthc submitting pant. BC Laboratories,Inc.uswn mp <br /> amponsibilityfornalmntion.sep=iao,detachmentorihiNpaM imemmoa en. <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)3271916 va nv.bclabs.com Page 27 of 29 <br />