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Whirlwind Mine Materials Containment Plan <br />30100 5110 Road Revision 2 <br />Gateway, Colorado 81522 <br />• <br />rl <br />• <br />TREATMENT PRECIPITATE <br />Synonyms: Settling tank sludge <br />Maximum Quantity On-site: 22,343 pounds (estimated at end of mine life) <br />Constituents: Low levels of Radium-226, Uranium, and other metals <br />Potential Health Hazards <br />• Skin Contact: Not a hazard <br />• Eye: Not a hazard <br />• Inhalation: Not a hazard <br />• Ingestion: Not a hazard <br />Potential Environmental Hazards <br />• No fire or explosion hazards <br />• None Reported <br />Handling <br />• Wear nroner PPE including standard site PPE <br />Rirct Aid <br />• Eyes: None required <br />• Skin: None required <br />• Ingestion: None required <br />• Inhalation: None required <br />antainment <br />• Primary: Geomembrane liner 11 • Secondary: Secondary',' geomembrane liner, leak detection between geomembrane <br />liners, clay' max underliner, and down gradient sediment pond. <br />Maintenance Requirements <br />• Inspect tanks for cracks or punctures, repair or remove defective tanks <br />• Measure precipitate levels <br />Spill Response <br />• Control source of spill or leak, if possible. <br />• Small Spills: Collect 'and place in container or return to settling tank <br />• Large Spills: Contact',Mine Foreman for additional assistance <br />1 of 2