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r-� <br />�I <br />l <br />® Laboratories Inc., <br />Environmental Testing Laboratory Since 1949 <br />CB&I Reported: 02/20/2014 9:55 <br />180 Promenade Circle, Suite 320 Project: North County LF, SJ County <br />Sacramento, CA 95834 Project Number: Anuual Leachate 149270 <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 />:onstituent Type Sample ID Result Result Added Units RPD Recovery RPD Recovery Quals <br />QC Batch ID: BXA1927 <br />Used client sample: <br />Y - Description: <br />L-4, 01/29/2014 10:24 <br />Total Dissolved Solids @ 180 C <br />DUP 1402121-03 <br />1740.0 <br />1710.0 <br />mg/L <br />1.7 <br />10 <br />QC Batch ID: BXA1969 <br />Used client sample: Y -Description: <br />G-1, 01/28/2014 09:42 <br />Bicarbonate <br />DUP 1402120-01 <br />133.00 <br />134.11 <br />mg/L <br />0.8 <br />10 <br />Total Alkalinity as CaCO3 <br />DUP 1402120-01 <br />109.08 <br />109.99 <br />mg/L <br />0.8 <br />10 <br />QC Batch ID: BXA2032 <br />Used client sample: <br />Y - Description: <br />L-1, 01/29/2014 10:56 <br />Chloride <br />DUP 402121-01RE- <br />1080.4 <br />1078.2 <br />mg/L <br />0.2 <br />10 <br />MS 402121-01RE' <br />1080.4 <br />1584.4 <br />505.05 mg/L <br />99.8 <br />80-120 <br />MSD 402121-01 RE, <br />1080.4 <br />1589.6 <br />505.05 mg/L <br />0.3 <br />101 <br />10 <br />80-120 <br />Nitrate as N <br />DUP 402121-01RE' <br />ND <br />ND <br />mg/L <br />10 <br />MS 402121-01 RE' <br />ND <br />52.556 <br />50.505 mg/L <br />104 <br />80-120 <br />MSD 402121-01 RE- <br />ND <br />52.566 <br />50.505 mg/L <br />0.0 <br />104 <br />10 <br />80-120 <br />Sulfate <br />DUP 402121-01RE, <br />6.3200 <br />6.1300 <br />mg/L <br />3.1 <br />10 <br />J <br />MS 402121-01 RE' <br />6.3200 <br />1033.7 <br />1010.1 mg/L <br />102 <br />80-120 <br />MSD 402121-01 RE, <br />6.3200 <br />1032.3 <br />1010.1 mg/L <br />0.1 <br />102 <br />10 <br />80-120 <br />QC Batch ID: BXB0026 <br />Used client sample: <br />Y - Description: <br />L-1, 01/29/2014 10:56 <br />Total Calcium <br />DUP 1402121-01 <br />305.77 <br />311.57 <br />mg/L <br />1.9 <br />20 <br />MS 1402121-01 <br />305.77 <br />324.48 <br />10.000 mg/L <br />187 <br />75-125 <br />A03 <br />MSD 1402121-01 <br />305.77 <br />318.05 <br />10.000 mg/L <br />2.0 <br />123 <br />20 <br />75-125 <br />Total Magnesium <br />DUP 1402121-01 <br />155.97 <br />159.32 <br />mg/L <br />2.1 <br />20 <br />MS 1402121-01 <br />155.97 <br />171.36 <br />10.000 mg/L <br />154 <br />76-125 <br />A03 <br />MSD 1402121-01 <br />155.97 <br />167.14 <br />10.000 mg/L <br />2.5 <br />112 <br />20 <br />76-126 <br />Total Sodium <br />DUP 1402121-01 <br />288.35 <br />293.78 <br />mg/L <br />1.9 <br />20 <br />MS 1402121-01 <br />288.35 <br />307.54 <br />10.000 mg/L <br />192 <br />76-125 <br />A03 <br />MSD 1402121-01 <br />288.35 <br />302.81 <br />10.000 mg/L <br />1.5 <br />145 <br />20 <br />75-125 <br />A03 <br />Total Potassium <br />DUP 1402121-01 <br />3.3918 <br />3.4069 <br />mg/L <br />0.4 <br />20 <br />MS 1402121-01 <br />3.3918 <br />14.244 <br />10.000 mg/L <br />109 <br />75-125 <br />MSD 1402121-01 <br />3.3918 <br />13.694 <br />10.000 mg/L <br />3.9 <br />103 <br />20 <br />75-125 <br />QC Batch ID: BXBO124 <br />Used client sample: <br />N <br />Chemical Oxygen Demand <br />DUP 1401938-01 <br />20.588 <br />22.059 <br />mg 02/1- <br />6.9 <br />20 <br />J <br />MS 1401938-01 <br />20.588 <br />758.78 <br />750.00 mg 02/1- <br />98.4 <br />80-120 <br />MSD 1401938-01 <br />20.588 <br />745.31 <br />750.00 mg 02/1 <br />1.8 <br />96.6 <br />20 <br />80-120 <br />QC Batch ID: BXB1021 <br />Used client sample: <br />N <br />Total Calcium <br />DUP 1403330-02 <br />92.909 <br />95.183 <br />mg/L <br />2.4 <br />20 <br />MS 1403330-02 <br />92.909 <br />109.19 <br />10.000 mg/L <br />163 <br />76-126 <br />A03 <br />MSD 1403330-02 <br />92.909 <br />101.86 <br />10.000 mg/L <br />7.0 <br />89.5 <br />20 <br />76-126 <br />The results in this report apply to the samples analyzed <br />in accordance with the chant of custody document. This analytical report must be reproduced <br />in its entirety. <br />All results listed in this report are for the exclusive use of the submitting <br />party. BC Laboratories, Inc. assumes no responsibility for report alteration, separation, detachment or third party interpretation. <br />4100 Atlas Court Bakersfield, CA 93308 <br />(661) 327-4911 FAX (661) 327-1918 www.bclabs.com <br />Page 26 of 28 <br />