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• <br />• <br />• <br />Whirlwind Mine <br />30100 5110 Road <br />Gateway, Colorado 81522 <br />Materials Containment Plan <br />Revision 2 <br />FERRIC SULFATE - 50% SOLUTION (continued) <br />Containment <br />• Primary: Steel, closed top, 55-gallon drums <br />• Secondary: 2-drum containment basin <br />Stored inside treatment trailer, protected from weather <br />Treatment trailer sump drains to external 400-gallon plastic tank <br />Maintenance Requirements <br />• Drums should be kept inside treatment trailer, protected from weather <br />• Inspect drums regularly for leaks or corrosion <br />• Control source of spill or'leak, if possible. <br />• Small Spills: Absorb spill with sand or non-combustible dry material and collect <br />in appropriate container for disposal. Flush area with water. <br />• Large Spills: Prevent entry into waters of the state. Isolate area and deny entry to <br />unnecessary personnel. Absorb spill with sand or non-combustible <br />dry material and collect in appropriate container for disposal. Flush <br />area with water. <br />Cnill Nntifiratinn RannirPmPnk <br />• Immediately contact the Mine Foreman (verbally) <br />• If not available contact General Mana er at 303 864-7775 <br />• Reportable quantity: 1,000 pounds <br />• Reportable quantity exceeds maximum site quantity (110 gallons of 50% solution is <br />equivalent to approximately 800 lbs. of ferric sulfate) <br />• No agency notifications re uired unless spill enters waters of the State <br />• Report spills of any quantity which enter waters of the State to: <br />o National Response Center <br />(800) 424-8802 <br />o Colorado Department of Public Health and Environment <br />Toll-Free 24-hour Environmental Spill Reporting Line <br />(877) 518-5608 <br />o Bureau of Land Management, Grand Junction Field Office <br />Alan Kraus <br />970 244-3078 <br />• Refer to the Spill Report'in Appendix A for information to be provided to the above <br />agencies during oral notification <br />• Follow-up written notification will be required by the above agencies and are required <br />to be copied to the BLM.',!, Instructions for submittal of the written notification will be <br />provided b the a encies,durin or following oral notification. <br />2 of 2