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Laborato�Ltab!rat�ory <br />Environmental Testi <br />CB&I Reported: 02/04/2014 10:00 <br />180 Promenade Circle, Suite 320 Project: Foothill Landfill <br />Sacramento, CA 95834 Project Number: 149269 <br />Project Manager: Sheila Richgels <br />Water Analysis(General Chemistry) <br />Quality Control Report - 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: BXA1423 <br />i Used client sample: <br />Y - Description: <br />MW -1A, 01/20/2014 12:10 <br />Chloride <br />DUP 1401575-01 <br />10.801 <br />11.086 <br />mg/L <br />2.6 <br />10 <br />MS 1401575-01 <br />10.801 <br />64.926 <br />50.505 mg/L <br />107 <br />80-120 <br />MSD 1401575-01 <br />10.801 <br />65.043 <br />50.505 mg/L <br />0.2 <br />107 <br />10 <br />80-120 <br />Nitrate as N <br />DUP 1401575-01 <br />1.6130 <br />1.6510 <br />mg/L <br />2.3 <br />10 <br />MS 1401575-01 <br />1.6130 <br />6.8768 <br />5.0505 mg/L <br />104 <br />80-120 <br />MSD 1401575-01 <br />1.6130 <br />6.8859 <br />5.0505 mg/L <br />0.1 <br />104 <br />10 <br />80-120 <br />Sulfate <br />DUP 1401575-01 <br />12.876 <br />13.074 <br />mg/L <br />1.5 <br />10 <br />MS 1401575-01 <br />12.876 <br />119.98 <br />101.01 mg/L <br />106 <br />80-120 <br />MSD 1401575-01 <br />12.876 <br />120.16 <br />101.01 mg/L <br />0.1 <br />106 <br />10 <br />80-120 <br />QC Batch ID: BXA1482 <br />Used client sample: <br />Y - Description: MW -1A, 01/20/2014 12:10 <br />Bicarbonate <br />DUP 1401575-01 <br />125.39 <br />125.57 <br />mg/L <br />0.1 <br />10 <br />Carbonate <br />DUP 1401575-01 <br />ND <br />ND <br />mg/L <br />10 <br />Total Alkalinity as CaCO3 <br />DUP 1401575-01 <br />102.84 <br />102.99 <br />mg/L <br />0.1 <br />10 <br />QC Batch ID: BXA1554 <br />Used client sample: Y - Description: <br />MW -1A, 01/20/2014 12:10 <br />Dissolved Calcium <br />DUP 1401575-01 <br />22.147 <br />22.071 <br />mg/L <br />0.3 <br />20 <br />MS 1401575-01 <br />22.147 <br />31.776 <br />10.204 mg/L <br />94.4 <br />75-125 <br />MSD 1401575-01 <br />22.147 <br />31.906 <br />10.204 mg/L <br />0.4 <br />95.6 <br />20 <br />75-125 <br />Dissolved Magnesium <br />DUP 1401575-01 <br />10.883 <br />11.019 <br />mg/L <br />1.2 <br />20 <br />MS 1401575-01 <br />10.883 <br />20.909 <br />10.204 mg/L <br />98.3 <br />75-125 <br />MSD 1401575-01 <br />10.883 <br />20.780 <br />10.204 mg/L <br />0.6 <br />97.0 <br />20 <br />75-125 <br />Dissolved Sodium <br />DUP 1401575-01 <br />17.732 <br />17.622 <br />mg/L <br />0.6 <br />20 <br />MS 1401575-01 <br />17.732 <br />28.260 <br />10.204 mg/L <br />103 <br />75-125 <br />MSD 1401575-01 <br />17.732 <br />28.097 <br />10.204 mg/L <br />0.6 <br />102 <br />20 <br />75-125 <br />Dissolved Potassium <br />DUP 1401575-01 <br />3.4110 <br />3.4463 <br />mg/L <br />1.0 <br />20 <br />MS 1401575-01 <br />3.4110 <br />13.506 <br />10.204 mg/L <br />98.9 <br />75-125 <br />MSD 1401575-01 <br />3.4110 <br />13.640 <br />10.204 mg/L <br />1.0 <br />100 <br />20 <br />75-125 <br />QC Batch ID: BXA1565 <br />Used client sample: <br />N <br />Total Dissolved Solids @ 180 C <br />DUP 1401745-01 <br />3960.0 <br />3960.0 <br />mg/L <br />0 <br />10 <br />The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must he reproduced in its entirety. <br />All results listed in this report are <br />for the exclusive use of the submitting party. BC Laboratories, Inc. <br />assumes no responsibility for report alteration, separation, detachment or third <br />party interpretation. <br />4100 Atlas Court Bakersfield, CA 93308 (661) 327-4911 FAX (661) 327-1918 www.bc[abs.com <br />Page 38 of 39 <br />