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= Laboratories Inc. - <br /> ' Environmental Testing Laboratory Since 1949 <br /> [Ground <br /> Analysis, Inc. Reported: 10/05/2015 15:05 <br /> Avenue Project: City of Escalon, Monitoring Wells <br /> , 95351 Project Number: 5894 <br /> Project Manager: Project Manager <br /> ' Volatile Organic Analysis (EPA Method 826013, 8010 List) <br /> Quality Control Report - Laboratory Control Sample <br /> Co=La <br /> Spike Percent PerConsituent QC Sample ID Type Result Level Units Recovery RPD Rec <br /> ' QC Batch ID: BY12063 <br /> Bromodichlorornethane BY12063-13S1 LCS 24.167 25.000 ug/L 96.7 70-130 <br /> Chlorobenzene BY12063-BSI LCS 26.113 25.000 uglL 104 70-130 <br /> Chloroethane BY12063-BS1 LCS 19.114 25.000 ug/L 76.5 70-130 <br /> ' 1,4-Dichlorobenzene BY12063-BSI LCS 26.024 25.000 ug/L 104 70-130 <br /> __ <br /> 1,1-Dichloroethene BY12063-BSI LCS 23.639 25.000 ug/L 94.6 70-130 <br /> ' 1,1-Dichloroeihene BYI2063-BS7 LCS 23.269 25.000 ug/L 93.1 70-130 <br /> Trichloroethene BY12063-BS1 LCS 32.161 25.000 ug/L 129 70-130 <br /> 1,2-Dichloroethani(Surrogate) BY12063-BS1 LCS 8.8600 10.000 uglL 88.6 75-125 <br /> ' Toluene-d8(Surrogate) BY12063-BSI LCS 9.8400 10.000 ug/L 98.4 80-120 <br /> 4-Bromofluorobenzene(Surrogate) BY12063-BS7 LCS 9.8400 10.000 ug/L 98.4 80-120 <br /> QC Batch ID: BYI2371 <br /> ' Bromodichloromethane BY12371-BS1 LCS 23.529 25.000 ug/L 94.1 70-130 <br /> Chlorobenzene BY12371-BS7 LCS 24.334 25.000 ug/L 97.3 70-130 <br /> Chloroethane BYI2371-BS1 LCS 27.240 25.000 ug/L 109 70-130 <br /> ' 1,40chlorobenzene BYI2371-BS7 LCS 23.488 25.000 ug/L 94.0 70-130 <br /> 1,1-Dichloroethane BYI2371-BSI LCS 25.354 25.000 ug/L 101 70-130 <br /> 1,1-13ichloroethene BY12371-BS1 LCS 26.662 25.000 ug/L 107 70-130 <br /> Trichloroethene BYI2371-BS1 LCS 28.896 25.000 ug/L 116 70-130 <br /> 12-Dichloroethane-db(Surrogate) BY12371-851 LCS 10.220 10.000 ug/L 102 75-125 <br /> ' Toluene-d8(Surrogate) BY12371-BSI LCS 10.000 10.000 ug/L 100 80-120 <br /> 4-Bromofluorobenzene(Surrogate) BY12371-BS1 LCS 9.6100 10.000 ug/L 96.1 80-120 <br /> ' 7Le results in this report apply to the samples analyzed in accordance with the chain arcusrody document.This analytical report must be reproduced in its entirety. <br /> All mulls isued in this mpmtare fmthe exclusive use ofthe submitting perry, i lsborsmrim,Inc,u norespoesibility F repmtaltmdon,sepam6m.daachmrntorthirdpaM interprelatiun. <br /> Report ID: 1000403978 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com Page 20 of 29 <br />