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Laboratories, Inc. <br /> Environmental Testing Laboratory Since 1949 <br /> Geologic Associates Project: Forward Landfill-Monthly Reported: 12/10/2009 15:29 <br /> 16885 W. Bernardo Drive Project Number: [none] <br /> San Diego, CA 92127 Project Manager: Bill Lopez <br /> Water Analysis (Metals) <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 Recove RPD Recovery Lab Quals <br /> Aluminum BSL0006 Duplicate 0915645-01 ND ND ug/L 20 <br /> Matrix Spike 0915645-01 ND 1098.8 1020.4 ug/L 108 75-125 <br /> Matrix Spike Duplicate 0915645-01 ND 1077.3 1020.4 ug/L 2.0 106 20 75-125 <br /> Barium BSL0006 Duplicate 0915645-01 204.99 204.60 ug/L 0.2 20 <br /> Matrix Spike 0915645-01 204.99 635.63 408.16 ug/L 106 75-125 <br /> Matrix Spike Duplicate 0915645-01 204.99 632.34 408.16 ug/L 0.8 105 20 75-125 <br /> Beryllium BSL0006 Duplicate 0915645-01 ND ND ug/L 20 <br /> Matrix Spike 0915645-01 ND 220.93 204.08 ug/L 108 75-125 <br /> Matrix Spike Duplicate 0915645-01 ND 219.45 204.08 ug/L 0.7 108 20 75-125 <br /> Cadmium BSL0006 Duplicate 0915645-01 ND ND ug/L 20 <br /> Matrix Spike 0915645-01 ND 217.34 204.08 ug/L 106 75-125 <br /> Matrix Spike Duplicate 0915645-01 ND 215.34 204.08 ug/L 0.9 106 20 75-125 <br /> Chromium BSL0006 Duplicate 0915645-01 1.0283 1.1746 ug/L 13.3 20 J <br /> Matrix Spike 0915645-01 1.0283 214.84 204.08 ug/L 105 75-125 <br /> Matrix Spike Duplicate 0915645-01 1.0283 213.14 204.08 ug/L 0.8 104 20 75-125 <br /> Cobalt BSL0006 Duplicate 0915645-01 ND ND ug/L 20 <br /> Matrix Spike 0915645-01 ND 213.40 204.08 ug/L 105 75-125 <br /> Matrix Spike Duplicate 0915645-01 ND 211.64 204.08 ug/L 0.8 104 20 75-125 <br /> Copper BSL0006 Duplicate 0915645-01 ND ND ug/L 20 <br /> Matrix Spike 0915645-01 ND 419.42 408.16 ug/L 103 75-125 <br /> Matrix Spike Duplicate 0915645-01 ND 418.40 408.16 ug/L 0.2 103 20 75-125 <br /> Iron BSL0006 Duplicate 0915645-01 ND ND ug/L 20 <br /> Matrix Spike 0915645-01 ND 1124.8 1020.4 ug/L 110 75-125 <br /> Matrix Spike Duplicate0915645-01 ND 1119.1 1020.4 ug/L 0.5 110 20 75-125 <br /> Manganese BSL0006 Duplicate 0915645-01 83.685 84.086 ug/L 0.5 20 <br /> Matrix Spike 0915645-01 83.685 613.68 510.20 ug/L 104 75-125 <br /> Matrix Spike Duplicate 0915645-01 83.685 598.69 510.20 ug/L 2.9 101 20 75-125 <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 16 of 27 <br /> Certifications: California-ELAP Certification Number 1186; Nevada Administrative Code-NAC-445A <br />