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Laboratories Inc. <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 <br /> Type Sample ID Result Result Added Units RPD Recovery RPD ecove Quals <br /> QC Batch ID: BTJ1404 Used client sample: Y- Description: OB-19, 10/12/2010 07:51 <br /> Dissolved Calcium DUP 1014319-19 93.496 94.066 mg/L 0.6 20 <br /> MS 1014319-19 93.496 105.02 10.204 mg/L 113 85-115 <br /> MSD 1014319-19 93.496 106.25 10.204 mg/L 1.2 125 20 85-115 A03 <br /> Dissolved Magnesium DUP 1014319-19 18.385 18.694 mg/L 1.7 20 <br /> MS 1014319-19 18.385 29.199 10.204 mg/L 106 85-115 <br /> MSD 1014319-19 18.385 29.542 10.204 mg/L 1,2 109 20 85-115 <br /> Dissolved Sodium DUP 014319-19RE 113.56 113.90 mg/L 0.3 20 <br /> MS 314319-19RE 113.56 123.98 10.204 mg/L 102 85-115 <br /> MSD 114319-19RE 113.56 123.73 10.204 mg/L 0.2 99.7 20 85-115 <br /> Dissolved Potassium DUP 1014319-19 4.4753 4.4959 mg/L 0.5 20 <br /> MS 1014319-19 4.4753 15.594 10.204 mg/L 109 85-115 <br /> MSD 1014319-19 4.4753 15.906 10.204 mg/L 2.0 112 20 85-115 <br /> The results in this report apply to the samples anal)eed in accordance with the chain of custody document. This analyaical report most 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 all eraion separation,demdunent or third party interpretation <br /> 41:00 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com Page 57 of 58 <br />