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Laboratories Inc. I4 <br />Environmental Testing Laboratory Since 1949 <br />haw Reported: 02/14/2013 14:31 <br />180 Promenade Circle, Suite 320 Project: Foothill Landfill <br />Sacramento, CA 95834 Project Number. 139867 <br />Project Manager: Sheila Richgels <br />Volatile Organic Analysis (EPA Method 8260) <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: BWB0343 <br />Used client sample: <br />N <br />Benzene <br />MS <br />1302522-02 <br />ND <br />27.050 <br />25.000 <br />ug/L <br />108 <br />70-130 <br />MSD <br />1302522-02 <br />ND <br />27.190 <br />25.000 <br />ug/L <br />0.5 <br />109 <br />20 <br />70-130 <br />Bromodichloromethane <br />MS <br />1302522-02 <br />ND <br />27.080 <br />25.000 <br />ug/L <br />108 <br />70-130 <br />MSD <br />1302522-02 <br />ND <br />27.790 <br />25.000 <br />ug/L <br />2.6 <br />111 <br />20 <br />70-130 <br />Chlorobenzene <br />MS <br />1302522-02 <br />ND <br />28.480 <br />25.000 <br />ug/L <br />114 <br />70-130 <br />MSD <br />1302522-02 <br />ND <br />27.880 <br />25.000 <br />ug/L <br />2.1 <br />112 <br />20 <br />70-130 <br />Chloroethane <br />MS <br />1302522-02 <br />ND <br />25.750 <br />25.000 <br />ug/L <br />103 <br />70-130 <br />MSD <br />1302522-02 <br />ND <br />25.710 <br />25.000 <br />ug/L <br />0.2 <br />103 <br />20 <br />70-130 <br />1,4 -Dichlorobenzene <br />MS <br />1302522-02 <br />ND <br />27.520 <br />25.000 <br />ug/L <br />110 <br />70-130 <br />MSD <br />1302522-02 <br />ND <br />26.560 <br />25.000 <br />ug/L <br />3.6 <br />106 <br />20 <br />70-130 <br />1,1-Dirhloroethane <br />MS <br />1302522-02 <br />ND <br />28.670 <br />25.000 <br />ug/L <br />115 <br />70-130 <br />MSD <br />1302522-02 <br />ND <br />28.730 <br />25.000 <br />ug/L <br />0.2 <br />115 <br />20 <br />70-130 <br />-Dichloroethene <br />MS <br />1302522-02 <br />ND <br />26.820 <br />25.000 <br />ug/L <br />107 <br />70-130 <br />MSD <br />1302522-02 <br />ND <br />26.730 <br />25.000 <br />ug/L <br />0.3 <br />107 <br />20 <br />70-130 <br />Toluene <br />MS <br />1302522-02 <br />ND <br />27.730 <br />25.000 <br />ug/L <br />111 <br />70-130 <br />MSD <br />1302522-02 <br />ND <br />27.250 <br />25.000 <br />ug/L <br />1.7 <br />109 <br />20 <br />70-130 <br />Trichloroethene <br />MS <br />1302522-02 <br />2.9700 <br />32.240 <br />25.000 <br />ug/L <br />117 <br />70-130 <br />MSD <br />1302522-02 <br />2.9700 <br />32.040 <br />25.000 <br />ug/L <br />0.6 <br />116 <br />20 <br />70-130 <br />1,2-Dichloroethane-d4 (Surrogate) <br />MS <br />1302522-02 <br />ND <br />9.7600 <br />10.000 <br />ug/L <br />97.6 <br />75-125 <br />MSD <br />1302522-02 <br />ND <br />10.100 <br />10.000 <br />ug/L <br />3.4 <br />101 <br />75-125 <br />Toluene -d8 (Surrogate) <br />MS <br />1302522-02 <br />ND <br />10.400 <br />10.000 <br />ug/L <br />104 <br />80-120 <br />MSD <br />1302522-02 <br />ND <br />10.430 <br />10.000 <br />ug/L <br />0.3 <br />104 <br />80-120 <br />4-Bromofluorobenzene (Surrogate) <br />MS <br />1302522-02 <br />ND <br />9.9600 <br />10.000 <br />ug/L <br />99.6 <br />80-120 <br />MSD <br />1302522-02 <br />ND <br />9.9600 <br />10.000 <br />ug/L <br />0 <br />99.6 <br />80-120 <br />QC Batch ID: BWBO514 <br />Used client sample: <br />N <br />Benzene <br />MS <br />1302645-11 <br />ND <br />25.620 <br />25.000 <br />ug/L <br />102 <br />70-130 <br />MSD <br />1302645-11 <br />ND <br />24.290 <br />25.000 <br />ug/L <br />5.3 <br />97.2 <br />20 <br />70-130 <br />Bromodichloromethane <br />MS <br />1302645-11 <br />ND <br />25.840 <br />25.000 <br />ug/L <br />103 <br />70-130 <br />MSD <br />1302645-11 <br />ND <br />25.040 <br />25.000 <br />ug/L <br />3.1 <br />100 <br />20 <br />70-130 <br />Chiorobenzene <br />MS <br />1302645-11 <br />ND <br />26.520 <br />25.000 <br />ug/L <br />106 <br />70-130 <br />MSD <br />1302645-11 <br />ND <br />24.750 <br />25.000 <br />ug/L <br />6.9 <br />99.0 <br />20 <br />70-130 <br />Chloroethane <br />MS <br />1302645-11 <br />ND <br />22.720 <br />25.000 <br />ug/L <br />90.9 <br />70-130 <br />MSD <br />1302645-11 <br />ND <br />20.820 <br />25.000 <br />ug/L <br />8.7 <br />83.3 <br />20 <br />70-130 <br />1,4 -Dichlorobenzene <br />MS <br />1302645-11 <br />ND <br />25.020 <br />25.000 <br />ug/L <br />100 <br />70-130 <br />MSD <br />1302645-11 <br />ND <br />24.130 <br />25.000 <br />ug/L <br />3.6 <br />96.5 <br />20 <br />70-130 <br />y 1-Dichloroethane <br />MS <br />1302645-11 <br />ND <br />25.670 <br />25.000 <br />ug/L <br />103 <br />70-130 <br />MSD <br />1302645-11 <br />ND <br />24.630 <br />25.000 <br />ug/L <br />4.1 <br />98.5 <br />20 <br />70-130 <br />The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. <br />All results listed in this report are for the exclusive <br />use of the submitting party. BC Laboratories, Inc. assumes no responsibility <br />for report alteration, separation, detachment or third party interpretation - <br />4100 Atlas Court Bakersfield, CA 93308 <br />(661) 327-4911 FAX (661) 327-1918 <br />www.bclabs.com <br />Page 31 of 36 <br />