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Laboratories, Inc. N <br />Environmental Testing Laboratory Since 1949 <br />Geologic Associates Project: Forward Landfill - Monthly A.S. Tower Reported: 04/08/2009 11:27 <br />16885 W. Bernardo Drive Project Number: [none] <br />San Diego, CA 92127 Project Manager: Sarah Battelle <br />Volatile OrganicA • • i • <br />Quality Control ReportPrecision <br />Control Limits <br />Source Source Spike Percent Percent <br />Constituent Batch ID QC Sample Type Sample ID Result Result Added Units RPD Recovery RPD Recove Lab Quals <br />Benzene <br />BSD0200 <br />Matrix Spike 0904178-01 <br />0.26000 <br />25.000 <br />25.000 <br />ug/L <br />99.0 <br />70-130 <br />Matrix Spike Duplicate 0904178-01 <br />0.26000 <br />25.240 <br />25.000 <br />ug/L <br />0.9 <br />99.9 <br />20 <br />70-130 <br />Bromodichloromethane <br />BSD0200 <br />Matrix Spike 0904178-01 <br />ND <br />26.800 <br />25.000 <br />ug/L <br />107 <br />70-130 <br />Matrix Spike Duplicate 0904178-01 <br />ND <br />26.010 <br />25.000 <br />ug/L <br />2.8 <br />104 <br />20 <br />70-130 <br />Chlorobenzene <br />BSD0200 <br />Matrix Spike 0904178-01 <br />ND <br />24.890 <br />25.000 <br />ug/L <br />99.6 <br />70-130 <br />Matrix Spike Duplicate 0904178-01 <br />ND <br />22.750 <br />25.000 <br />ug/L <br />9.0 <br />91.0 <br />20 <br />70-130 <br />Chloroethane <br />BSD0200 <br />Matrix Spike 0904178-01 <br />ND <br />24.520 <br />25.000 <br />ug/L <br />98.1 <br />70-130 <br />Matrix Spike Duplicate 0904178-01 <br />ND <br />26.700 <br />25.000 <br />ug/L <br />8.7 <br />107 <br />20 <br />70-130 <br />1,4 -Dichlorobenzene <br />BSD0200 <br />Matrix Spike 0904178-01 <br />ND <br />28.080 <br />25.000 <br />ug/L <br />112 <br />70-130 <br />Matrix Spike Duplicate 0904178-01 <br />ND <br />25.050 <br />25.000 <br />ug/L <br />11.3 <br />100 <br />20 <br />70-130 <br />1,1-Dichloroethane <br />BSD0200 <br />Matrix Spike 0904178-01 <br />0.63000 <br />23.990 <br />25.000 <br />ug/L <br />93.4 <br />70-130 <br />Matrix Spike Duplicate 0904178-01 <br />0.63000 <br />24.650 <br />25.000 <br />ug/L <br />2.8 <br />96.1 <br />20 <br />70-130 <br />1,1-Dichloroethene <br />BSD0200 <br />Matrix Spike 0904178-01 <br />ND <br />24.390 <br />25.000 <br />ug/L <br />97.6 <br />70-130 <br />Matrix Spike Duplicate 0904178-01 <br />ND <br />25.030 <br />25.000 <br />ug/L <br />2.4 <br />100 <br />20 <br />70-130 <br />Toluene <br />BSD0200 <br />Matrix Spike 0904178-01 <br />ND <br />25.300 <br />25.000 <br />ug/L <br />101 <br />70-130 <br />Matrix Spike Duplicate 0904178-01 <br />ND <br />25.280 <br />25.000 <br />ug/L <br />0 <br />101 <br />20 <br />70-130 <br />Trichloroethene <br />BSD0200 <br />Matrix Spike 0904178-01 <br />0.17000 <br />24.320 <br />25.000 <br />ug/L <br />96.6 <br />70-130 <br />Matrix Spike Duplicate 0904178-01 <br />0.17000 <br />23.220 <br />25.000 <br />ug/L <br />4.7 <br />92.2 <br />20 <br />70-130 <br />1,2-Dichloroethane-d4 (Surrogate) <br />BSD0200 <br />Matrix Spike 0904178-01 <br />ND <br />10.170 <br />10.000 <br />ug/L <br />102 <br />76-114 <br />Matrix Spike Duplicate 0904178-01 <br />ND <br />10.310 <br />10.000 <br />ug/L <br />103 <br />76-114 <br />Toluene -d8 (Surrogate) <br />BSD0200 <br />Matrix Spike 0904178-01 <br />ND <br />9.8400 <br />10.000 <br />ug/L <br />98.4 <br />88-110 <br />Matrix Spike Duplicate 0904178-01 <br />ND <br />10.430 <br />10.000 <br />ug/L <br />104 <br />88-110 <br />4-Bromofluorobenzene (Surrogate) <br />BSD0200 <br />Matrix Spike 0904178-01 <br />ND <br />10.580 <br />10.000 <br />ug/L <br />106 <br />86-115 <br />Matrix Spike Duplicate 0904178-01 <br />ND <br />9.2800 <br />10.000 <br />ug/L <br />92.8 <br />86-115 <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 party. 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.belabs.com Page 6 of 11 <br />Certifications: California - ELAP Certification Number 1186; Nevada Administrative Code - NAC -445A <br />