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Attachment B, Technical Revision to the May Day Mine Permit, September 12, 2009. <br />Sodium Carbonate, Anhydrous (497-19-8) Date: 01/26/2004 <br />CHRONIC EFFECTS FROM OVEREXPOSURE: No data available for the <br />product. <br />CARCINOGENICITY: <br />NTP: Not listed <br />1ARC: Not listed <br />OSHA: Not listed <br />OTHER: (ACGII3) Not listed <br />12. ECOLOGICAL INFORMATION <br />ECOTOXICOLOGICAL INFORMATION: 96-hour LCD = 265 - 565 mg/L (daphnia <br />magna) (low toxicity) <br />96-hour LC$o = 300 - 320 mg/L (bluegill sunfish) (low toxicity) <br />CHEMICAL FATE INFORMATION: Biodegradability does not apply to inorganic <br />substances. No significant toxicity to aquatic organisms is expected. <br />13. DISPOSAL CONSIDERATIONS <br />DISPOSAL METHOD; When this product is discarded or disposed of; as purchased, it is <br />neither a characteristic nor a listed bazardous waste according to US Federal RCRA regulations (4o CFR <br />261). As a non-hazardous waste the material may be disposed of in a landfill in accordance with <br />government regulations; check local or state regulations for applicable requirements prior to disposal. Any <br />proceesssing, usage, alteration, chemical additions to, or contamination of, the product may alter the disposal <br />requirements. Under Federal regulations, it is the generator's responsibility to determine if a waste is a <br />hazardous waste. <br />14. TRANSPORT INFORMATION <br />U.S. DEPARTMENT OF TRANSPORTATION (DOT) <br />PROPER SHIPPING NAME; Not regulated <br />PRIMARY HAZARD CLASS / DMSION: Not applicable <br />UN/NA NUMBER: None <br />LABEL(S): Not applicable <br />10 of 35 <br />Page 6 of 1 o