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Laboratories, Inc. USI <br /> Environmental Testing Laboratory Since 1949 <br /> Lawrence&Associates Reported: 11/22/2010 13:23 <br /> 3590 Iron Court Project: Neenah Paper Co. <br /> Shasta Lake City, CA 96019 Project Number: 005194-04,Task 7 <br /> Project Manager: David Kirk <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: BTJ0970 Used client sample: N <br /> Total Dissolved Solids @ 180 C DUP 1014295-11 27100 27400 mg/L 1.1 10 <br /> QC Batch ID: BTJ0972 Used client sample: N <br /> Total Dissolved Solids @ 180 C DUP 1014304-11 1380.0 1410.0 mg/L 2.2 10 <br /> QC Batch ID BTJ1113 Used client sample: Y- Description: OB-13, 10/12/2010 14:27 <br /> Total Dissolved Solids @ 180 C DUP 1014319-13 1125.0 1125.0 mg/L 0 10 <br /> QC Batch ID: BTJ1114 Used client sample: Y- Description: OB-24, 10/12/2010 11:10 <br /> Total Dissolved Solids @ 180 C DUP 1014319-24 995.00 1015.0 mg/L 2.0 10 <br /> QC Batch ID: BTJ1402 Used client sample: Y-Description: 013-1, 10/12/2010 06:15 <br /> Dissolved Calcium DUP 1014319-01 98.995 101.22 mg/L 2.2 20 <br /> MS 1014319-01 98.995 111.77 10.204 mg/L 125 85-115 A03 <br /> MSD 1014319-01 98.995 111.93 10.204 mg/L 0.1 127 20 85-115 A03 <br /> Dissolved Magnesium DUP 1014319-01 36.184 36.915 mg/L 2.0 20 <br /> MS 1014319-01 36.184 47.847 10.204 mg/L 114 85-115 <br /> MSD 1014319-01 36.184 47.433 10.204 mg/L 0.9 110 20 85-115 <br /> Dissolved Sodium DUP 1014319-03 170.57 170.85 mg/L 0.2 20 <br /> MS 1014319-03 170.57 182.75 10.204 mg/L 119 85-115 A03 <br /> MSD 1014319-03 170.57 181.10 10.204 mg/L 0.9 103 20 85-115 A03 <br /> Dissolved Potassium DUP 1014319-01 7.9343 8.0361 mg/L 1.3 20 <br /> MS 1014319.01 7.9343 18.861 10.204 mg/L 107 85-115 <br /> MSD 1014319-01 7.9343 19.539 10.204 mg/L 3.5 114 20 85-115 <br /> QC Batch ID: BTJ1403 Used client sample: Y- Description: OB-9, 10/12/2010 09:18 <br /> Dissolved Calcium DUP 1014319-09 68.962 70.219 mg/L 1.8 20 <br /> MS 1014319-09 68.962 82.116 10.204 mg/L 129 85-115 A03 <br /> MSD 1014319-09 68.962 80.192 10.204 mg/L 2.4 110 20 85-115 <br /> Dissolved Magnesium DUP 1014319-09 16.946 16.998 mg/L 0.3 20 <br /> MS 1014319-09 16.946 27.186 10.204 mg/L 100 85-115 <br /> MSD 1014319-09 16.946 27.676 10.204 mg/L 1.8 105 20 85-115 <br /> Dissolved Sodium DUP 1014319-09 116.08 113.24 mg/L 2.5 20 <br /> MS 1014319-09 116.08 123.50 10.204 mg/L 72.7 85-115 A03 <br /> MSD 1014319-09 116.08 123.71 10.204 mg/L 0.2 74.8 20 85-115 A03 <br /> Dissolved Potassium DUP 1014319-09 4.2684 4.3087 mg/L 0.9 20 <br /> MS 1014319-09 4.2684 15.659 10.204 mg/L 112 85-115 <br /> MSD 1014319-09 4.2684 15.432 10.204 mg/L 1.5 109 20 85- 115 <br /> ° QC Batch ID: BTJ1404 Used client sample Y- Description: 013-19, 10/12/2010 07:51 T <br /> The results in this report apply to the samples analy.ed in accordance with the chain of custody document. This analytical report insist be reproduced in its entirety. <br /> All results listed in this report are for the exclusive use of the submitting puny BC Laboratories,Inc.assumes no responsibility for reportalterntion separation,detachment or third party interpretation <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com Page 56 of 58 <br />