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0 <br /> Laboratories Inc. <br /> Environmental Testing Laboratory Since 1949 <br /> Shaw Project: Foothill Landfill Reported: 02/11/2010 13:28 <br /> 1326 North Market Boulevard Project Number: 124591,Leachate <br /> Sacramento,CA 95834 Project Manager: Sheila Richgels <br /> Water Analysis (General Chemistry) <br /> Quality Control Report - Laboratory Control Sample <br /> Control Limits <br /> Spike Percent Percent <br /> Constituent Batch ID QC Sample ID QC Type Result Level PQL Units Recovery RPD Recovery RPD Lab Quals <br /> Total Calcium BTB0388 BTB0388-BS1 LCS 10.161 10.000 0.10 mg/L 102 85-115 <br /> Total Magnesium BTB0388 BTB0388-BS1 LCS 10.398 10.000 0.050 mg/L 104 85-115 <br /> Total Sodium BTB0388 BTB0388-BS1 LCS 9.7906 10.000 0.50 mg/L 97.9 85-115 <br /> --------- ----- -- - — — --- - ..... -- ...---- --- - --- -----.._ _.. - - <br /> Total Potassium BTB0388 BTB0388-BS1 LCS 9.6350 10.000 1.0 mg/L 96.3 85-115 <br /> Chloride BTB0419 BTB0419-BS1 LCS 102.52 100.00 0.50 mg/L 103 90-110 <br /> Nitrate as N BTB0419 BTB0419-BS1 LCS 5.0500 5.0000 0.10 mg/L 101 90-110 <br /> Sulfate BTB0419 BTB0419-BS1 LCS 100.90 100.00 1.0 mg/L 101 90-110 <br /> Total Alkalinity as CaCO3 BTB0453 BTB0453-BS3 LCS 99.650 100.00 4.1 mg/L 99.6 90-110 <br /> Total Dissolved Solids @ 180 C BTB0511 BTB0511-BSI LCS 570.00 586.00 50 mg/L 97.3 90-110 <br /> The results in this report apply to the samples analyzed in accordance trilh the chain of custodv document.This analytical report must he reproduced in its entireiv. <br /> All results listed in this report are for the exclusive use of the submitting party. BC Laboratories,In,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 10 of 15 <br /> Certifications: Califomia-ELAP Certification Number 1186; Nevada Administrative Code-NAC-445A <br />