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Attachment B, Technical Revision to the May Day Mine Permit, September 12, 2009. <br />MATERIAL SAFETY DATA SHEET <br />Sodium Carbonate, Anhydrous <br />MSDS Ref. No.: 497-19-8 <br />#MC Date Approved: OV26t2004 <br />Revision No.: 6 <br />This document has been prepared to meet the requirements of the U.S. OSHA Hazard Communication <br />Standard, 29 CFR 1910.1200; the Canada's Workplace Hazardous Materials Information System (V1'HMIS) <br />and, the EC Directive, 2001/5s/EC. <br />1. PRODUCT AND COMPANY IDENTIFICATION <br />PRODUCT NAME: Sodium Carbonate, Anhydrous <br />ALURNATE PRODUCT NAIME(S): Soda Ash, Sodium Carbonate Anhydrous <br />GENERAL USE: Glass manufacture, detergent manufacture, sodium chemicals and <br />carbonate chemicals manufacture, pulp and paper, brine treatment, <br />water hardness removal, pH adjustment in water or waste water, flue <br />gas desulfutization, coal treatment, ion exchange resin regeneration. <br />This chemical is certified to ANSI/NSF Standard 60, Drinking Water <br />Chemicals-Health Effects (as packaged in the original, unopened <br />container). The maximum dosage level for this chemical is 150 mg/L <br />MANUFACTURER EMERGENCY TELEPHONE NUMBERS <br />FMC Wyoming Corporation (800) 424-4300 (CREMTREC - U.S.) <br />Alkali Chemicals Division (303) 595-9048 (Medical - Call Collect) <br />1735 Market Street <br />Philadelphia, PA 19103 (307) 872-2452 (Plata - Green River, WY) <br />(215) 299-6000 (General Information) <br />2. HAZARDS IDENTIFICATION <br />EMERGENCY OVERVIEW: <br />• White, odorless, granuW solid. <br />• Product is non-combustible. <br />• Reacts with acids to release carbon dioxide gas and heat, <br />• Irritating to the eyes and continuous contact may irritate the skin. <br />• Not expected to be toxic to the environment, nor to aquatic organisms, <br />5 of 35 <br />Page 1 of 10