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Laboratories, Inc. 1U <br />Environmental Testing Laboratory Since 1949 <br />aw Reported: 02/04/2013 14:55 <br />180 Promenade Circle, Suite 320 Project: North County LF, SJ County <br />Sacramento, CA 95834 Project Number. 139874 <br />Project Manager: Sheila Richgels <br />Volatile Organic Analysis (EPA Method 8260) <br />Quality Control Repo - 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: BWA1559 <br />Used client sample: <br />N <br />Benzene <br />MS <br />1301594-02 <br />ND <br />25.000 <br />25.000 <br />ug/L <br />100 <br />70-130 <br />MSD <br />1301594-02 <br />ND <br />23.700 <br />25.000 <br />ug/L <br />5.3 <br />94.8 <br />20 <br />70-130 <br />Bromodichloromethane <br />MS <br />1301594-02 <br />ND <br />25.870 <br />25.000 <br />ug/L <br />103 <br />70-130 <br />MSD <br />1301594-02 <br />ND <br />24.160 <br />25.000 <br />ug/L <br />6.8 <br />96.6 <br />20 <br />70-130 <br />Chlorobenzene <br />MS <br />1301594-02 <br />ND <br />25.050 <br />25.000 <br />ug/L <br />100 <br />70-130 <br />MSD <br />1301594-02 <br />ND <br />23.320 <br />25.000 <br />ug/L <br />7.2 <br />93.3 <br />20 <br />70-130 <br />Chloroethane <br />MS <br />1301594-02 <br />ND <br />26.490 <br />25.000 <br />ug/L <br />106 <br />70-130 <br />MSD <br />1301594-02 <br />ND <br />25.270 <br />25.000 <br />ug/L <br />4.7 <br />101 <br />20 <br />70-130 <br />1,4 -Dichlorobenzene <br />MS <br />1301594-02 <br />ND <br />27.140 <br />25.000 <br />ug/L <br />109 <br />70-130 <br />MSD <br />1301594-02 <br />ND <br />25.030 <br />25.000 <br />ug/L <br />8.1 <br />100 <br />20 <br />70-130 <br />1,1-Dichloroethane <br />MS <br />1301594-02 <br />ND <br />24.890 <br />25.000 <br />ug/L <br />99.6 <br />70-130 <br />MSD <br />1301594-02 <br />ND <br />23.300 <br />25.000 <br />ug/L <br />6.6 <br />93.2 <br />20 <br />70-130 <br />Dichloroethene <br />MS <br />1301594-02 <br />ND <br />25.150 <br />25.000 <br />ug/L <br />101 <br />70-130 <br />MSD <br />1301594-02 <br />ND <br />23.170 <br />25.000 <br />ug/L <br />8.2 <br />92.7 <br />20 <br />70-130 <br />Toluene <br />MS <br />1301594-02 <br />ND <br />26.460 <br />25.000 <br />ug/L <br />106 <br />70-130 <br />MSD <br />1301594-02 <br />ND <br />24.680 <br />25.000 <br />ug/L <br />7.0 <br />98.7 <br />20 <br />70-130 <br />Trichloroethene <br />MS <br />1301594-02 <br />ND <br />24.510 <br />25.000 <br />ug/L <br />98.0 <br />70-130 <br />MSD <br />1301594-02 <br />ND <br />23.130 <br />25.000 <br />ug/L <br />5.8 <br />92.5 <br />20 <br />70-130 <br />1,2-Dichloroethane-d4 (Surrogate) <br />MS <br />1301594-02 <br />ND <br />9.6600 <br />10.000 <br />ug/L <br />96.6 <br />75-125 <br />MSD <br />130159402 <br />ND <br />9.5600 <br />10.000 <br />ug/L <br />1.0 <br />95.6 <br />75-125 <br />Toluene -d8 (Surrogate) <br />MS <br />130159402 <br />ND <br />9.8400 <br />10.000 <br />ug/L <br />98.4 <br />80-120 <br />MSD <br />130159402 <br />ND <br />9.8000 <br />10.000 <br />ug/L <br />0.4 <br />98.0 <br />80-120 <br />4-Bromofluorobenzene (Surrogate) <br />MS <br />1301594-02 <br />ND <br />10.220 <br />10.000 <br />ug/L <br />102 <br />80-120 <br />MSD <br />130159402 <br />ND <br />9.9300 <br />10.000 <br />ug/L <br />2.9 <br />99.3 <br />80-120 <br />QC Batch ID: BWA1609 <br />Used client sample: <br />Y - Description: G -3D, 01/23/2013 <br />10:50 <br />Benzene <br />MS <br />1301612-02 <br />ND <br />24.430 <br />25.000 <br />ug/L <br />97.7 <br />70-130 <br />MSD <br />1301612-02 <br />ND <br />23.980 <br />25.000 <br />ug/L <br />1.9 <br />95.9 <br />20 <br />70-130 <br />Bromodichloromethane <br />MS <br />1301612-02 <br />ND <br />27.100 <br />25.000 <br />ug/L <br />108 <br />70-130 <br />MSD <br />1301612-02 <br />ND <br />26.160 <br />25.000 <br />ug/L <br />3.5 <br />105 <br />20 <br />70-130 <br />Chiorobenzene <br />MS <br />1301612-02 <br />ND <br />24.810 <br />25.000 <br />ug/L <br />99.2 <br />70-130 <br />MSD <br />1301612-02 <br />ND <br />24.050 <br />25.000 <br />ug/L <br />3.1 <br />96.2 <br />20 <br />70-130 <br />Chloroethane <br />MS <br />1301612-02 <br />ND <br />25.190 <br />25.000 <br />ug/L <br />101 <br />70-130 <br />MSD <br />13D1612-02 <br />ND <br />24.910 <br />25.000 <br />ug/L <br />1.1 <br />99.6 <br />20 <br />70-130 <br />1,4 -Dichlorobenzene <br />MS <br />1301612-02 <br />ND <br />27.750 <br />25.000 <br />ug/L <br />111 <br />70-130 <br />MSD <br />1301612-02 <br />ND <br />26.480 <br />25.000 <br />ug/L <br />4.7 <br />106 <br />20 <br />70-130 <br />MS <br />1301612-02 <br />ND <br />24.680 <br />25.000 <br />ug/L <br />98.7 <br />70-130 <br />�Dichloroethane <br />MSD <br />1301612-02 <br />ND <br />23.860 <br />25.000 <br />ug/L <br />3.4 <br />95.4 <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 use of the submitting parry. BC Laboratories, Inc. assumes no responsibility for report alteration, separation, detachment or third party interpretation <br />4100 Atlas Court Bakersfield, CA 93308 (661) 327-4911 FAX (661) 327-1918 www.bciabs.com Page 35 of 40 <br />