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-M Laboratories Inc. <br /> Environmental Testing Laboratory Since 1949 <br /> Geologic Associates Project: Forward Landfill-Monthly A.S.Tower Reported: 09/29/2009 11:27 <br /> 16885 W. Bernardo Drive Project Number: [none] <br /> San Diego, CA 92127 Project Manager: Bill Lopez <br /> Volatile Organic Analysis ( ) <br /> Quality Control Report - Precision & Accuracy <br /> Control limits <br /> Source Source Spike Percent Percent <br /> Constituent Batch ID QC Sample Type Sample ID Result Result Added Units RPD Recoveg RPD Recoveg Lab Quals <br /> Benzene BS11425 Matrix Spike 0912631-01 ND 26.240 25.000 ug/L 105 70-130 <br /> Matrix Spike Duplicate 0912631-01 ND 25.880 25.000 ug/L 1.4 104 20 70-130 <br /> Bromodichloromethane BS11425 Matrix Spike 0912631-01 ND 26.610 25.000 ug/L 106 70-130 <br /> Matrix Spike Duplicate 0912631-01 ND 27.130 25.000 ug/L 1.9 109 20 70-130 <br /> Chlorobenzene BS11425 Matrix Spike 0912631-01 ND 27.280 25.000 ug/L 109 70-130 <br /> Matrix Spike Duplicate 0912631-01 ND 26.290 25.000 ug/L 3.7 105 20 70-130 <br /> Chloroethane BS11425 Matrix Spike 0912631-01 ND 26.480 25.000 ug/L 106 70-130 <br /> Matrix Spike Duplicate 0912631-01 ND 26.200 25.000 ug/L 1.1 105 20 70-130 <br /> 1,4-Dichlorobenzene BS11425 Matrix Spike 0912631-01 ND 28.170 25.000 ug/L 113 70-130 <br /> Matrix Spike Duplicate 0912631-01 ND 27.270 25.000 ug/L 3.2 109 20 70-130 <br /> 1,1-Dichloroethane BS11425 Matrix Spike 0912631-01 ND 26.370 25.000 ug/L 105 70-130 <br /> Matrix Spike Duplicate 0912631-01 ND 27.000 25.000 ug/L 2.4 108 20 70-130 <br /> 1,1-Dichloroethene BS11425 Matrix Spike 0912631-01 ND 29.070 25.000 ug/L 116 70-130 <br /> Matrix Spike Duplicate 0912631-01 ND 28.990 25.000 ug/L 0.3 116 20 70-130 <br /> Toluene BS11425 Matrix Spike 0912631-01 ND 25.240 25.000 ug/L 101 70-130 <br /> Matrix Spike Duplicate 0912631-01 ND 26.130 25.000 ug/L 3.5 105 20 70-130 <br /> Trichloroethene BS11425 Matrix Spike 0912631-01 ND 26.220 25.000 ug/L 105 70-130 <br /> Matrix Spike Duplicate 0912631-01 ND 27.620 25.000 ug/L 5.2 110 20 70-130 <br /> 1,2-Dichloroethane-d4(Surrogate) BS11425 Matrix Spike 0912631-01 ND 10.630 10.000 ug/L 106 76-114 <br /> Matrix Spike Duplicate 0912631-01 ND 10.400 10.000 ug/L 104 76-114 <br /> Toluene-d8(Surrogate) BS11425 Matrix Spike 0912631-01 ND 9.7000 10.000 ug/L 97.0 88-110 <br /> Matrix Spike Duplicate 0912631-01 ND 9.9800 10.000 ug/L 99.8 88-110 <br /> 4-Bromofluorobenzene(Surrogate) BS11425 Matrix Spike 0912631-01 ND 10.390 10.000 ug/L 104 86-115 <br /> Matrix Spike Duplicate0912631-01 ND 10.060 10.000 ug/L 101 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.bclabs.com Page 6-bf 11 <br /> Certifications: California-ELAP Certification Number 1186; Nevada Administrative Code-NAC-445A <br />