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1 <br />Laboratories, Inc. h'¢� <br />Environmental Testing Laboratory Since 1949 <br />CB&I Reported: 02/20/2014 9:55 <br />180 Promenade Circle, Suite 320 Project: North County LF, SJ County <br />Sacramento, CA 95834 Project Number: Anuual Leachate 149270 <br />Project Manager: Sheila Richgels <br />Volatile Organic Analysis (EPA Method 8260 13) <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: BXA1889 <br />I Used client sample: <br />N <br />Benzene <br />MS <br />1402025-01 <br />ND <br />29.534 <br />25.000 <br />ug/L <br />118 <br />70-130 <br />MSD <br />1402025-01 <br />ND <br />29.796 <br />25.000 <br />ug/L <br />0.9 <br />119 <br />20 <br />70-130 <br />Bromodichloromethane <br />MS <br />1402025-01 <br />0.36900 <br />27.635 <br />25.000 <br />ug/L <br />109 <br />70-130 <br />MSD <br />1402025-01 <br />0.36900 <br />27.209 <br />25.000 <br />ug/L <br />1.6 <br />107 <br />20 <br />70-130 <br />Chlorobenzene <br />MS <br />1402025-01 <br />ND <br />23.372 <br />25.000 <br />ug/L <br />93.5 <br />70-130 <br />MSD <br />1402025-01 <br />ND <br />24.191 <br />25.000 <br />ug/L <br />3.4 <br />96.8 <br />20 <br />70-130 <br />Chloroethane <br />MS <br />1402025-01 <br />ND <br />29.887 <br />25.000 <br />ug/L <br />120 <br />70-130 <br />MSD <br />1402025-01 <br />ND <br />30.119 <br />25.000 <br />ug/L <br />0.8 <br />120 <br />20 <br />70-130 <br />1,4 -Dichlorobenzene <br />MS <br />MSD <br />1402025-01 <br />1402025-01 <br />ND <br />ND <br />23.454 <br />23.015 <br />25.000 <br />25.000 <br />ug/L <br />ug/L <br />1.9 <br />93.8 <br />92.1 <br />20 <br />70-130 <br />70-130 <br />1,1-Dichloroethane <br />MS <br />1402025-01 <br />ND <br />29.887 <br />25.000 <br />ug/L <br />120 <br />70-130 <br />MSD <br />1402025-01 <br />ND <br />30.030 <br />25.000 <br />ug/L <br />0.5 <br />120 <br />20 <br />70-130 <br />1,1-Dichloroethene <br />MS <br />1402025-01 <br />ND <br />31.604 <br />25.000 <br />ug/L <br />126 <br />70-130 <br />MSD <br />1402025-01 <br />ND <br />32.003 <br />25.000 <br />ug/L <br />1.3 <br />128 <br />20 <br />70-130 <br />Toluene <br />MS <br />1402025-01 <br />ND <br />27.869 <br />25.000 <br />ug/L <br />111 <br />70-130 <br />MSD <br />1402025-01 <br />ND <br />27.513 <br />25.000 <br />ug/L <br />1.3 <br />110 <br />20 <br />70-130 <br />Trichloroethene <br />MS <br />1402025-01 <br />ND <br />28.618 <br />25.000 <br />ug/L <br />114 <br />70-130 <br />MSD <br />1402025-01 <br />ND <br />28.437 <br />25.000 <br />ug/L <br />0.6 <br />114 <br />20 <br />70-130 <br />1,2-Dichloroethane-d4 (Surrogate) <br />MS <br />1402025-01 <br />ND <br />10.290 <br />10.000 <br />ug/L <br />103 <br />75-125 <br />MSD <br />1402025-01 <br />ND <br />10.630 <br />10.000 <br />ug/L <br />3.3 <br />106 <br />75-125 <br />Toluene -d8 (Surrogate) <br />MS <br />1402025-01 <br />ND <br />10.480 <br />10.000 <br />ug/L <br />105 <br />80-120 <br />MSD <br />1402025-01 <br />ND <br />10.320 <br />10.000 <br />ug/L <br />1.5 <br />103 <br />80-120 <br />4-Bromofluorobenzene (Surrogate) <br />MS <br />1402025-01 <br />ND <br />9.3600 <br />10.000 <br />ug/L <br />93.6 <br />80-120 <br />MSD <br />1402025-01 <br />ND <br />9.4500 <br />10.000 <br />ug/L <br />1.0 <br />94.5 <br />80-120 <br />r <br />The results in this report apply to the samples anal ed in accordance with <br />the chain ofcustod) documentThis analytical report <br />must he reproducedin its entirety. <br />All results listed in this report are <br />for the exclusive <br />use of the submitting <br />party. BC laboratories, Inc. assumes <br />no responsibility <br />for report alteration, separation, detachment or third <br />party interpretation. <br />4100 Atlas <br />Court Bakersfield, <br />CA 93308 <br />(661) 327-4911 <br />FAX (661) <br />327-1918 <br />www.bclabs.com <br />Page 23 of 28 <br />