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DOL/MSHA | RIN: 1219-AB70 | Publication ID: Spring 2010 |
Title: Metal and Nonmetal Dams | |
Abstract: Nearly 2,000 impoundments exist at metal and nonmetal mines. Impoundment failures can endanger lives and damage property. MSHA will issue an advance notice of proposed rulemaking requesting information about proper design, construction, operation and maintenance of impoundments at metal and nonmetal mines, as well as related safety issues for impoundments at metal and nonmetal mines. | |
Agency: Department of Labor(DOL) | Priority: Other Significant |
RIN Status: Previously published in the Unified Agenda | Agenda Stage of Rulemaking: Prerule Stage |
Major: No | Unfunded Mandates: Undetermined |
CFR Citation: 30 CFR 56 30 CFR 57 | |
Legal Authority: 30 USC 811 30 USC 812 |
Legal Deadline:
None |
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Statement of Need: Mining operations regularly find it necessary to construct dams to dispose of large volumes of mine waste (tailings or slurry) from processing operations, or to provide water supply, sediment control, or water treatment. Impoundments are structures that are used to impound water, sediment, slurry, or any combination of materials. Dams that form impoundments must be designed to be stable under the various conditions they will be subjected to, including runoff from rainfall, internal seepage, and possibly earthquake shaking. The failure of these structures can have a devastating effect on both the mine and nearby communities. Every two years since 1980, a report has been prepared by the Federal Emergency Management Agency (FEMA) and sent to Congress on the status of dam safety in the United States. These reports are required by a 1979 Presidential Memorandum, which directed the Federal agencies responsible for dams to adopt and implement the Federal Guidelines for Dam Safety. MSHA's Metal and Nonmetal standards do not provide sufficient guidance to determine what is needed to effectively design and construct dams with high or significant hazard potential. The Metal and Nonmetal standards need to more effectively address requirements for dam design, construction, operation and maintenance. |
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Summary of the Legal Basis: Promulgation of this regulation is authorized by the Federal Mine Safety and Health Act of 1977, as amended by the Mine Improvement and New Emergency Response Act of 2006, and supports the Secretary of Labor's vision of good jobs for everyone. |
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Alternatives: MSHA is considering amendments, revisions, and additions to existing standards. |
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Anticipated Costs and Benefits: MSHA will develop a preliminary regulatory economic analysis to accompany any proposed rule that may be developed. |
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Risks: The failure of impoundments can have a devastating affect on both the mine and nearby communities by causing injury, loss of life, and property damage. |
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Timetable:
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Regulatory Flexibility Analysis Required: Undetermined | Government Levels Affected: None |
Small Entities Affected: Businesses | Federalism: No |
Included in the Regulatory Plan: Yes | |
RIN Data Printed in the FR: No | |
Agency Contact: Patricia W. Silvey Director, Office of Standards, Regulations, and Variances Department of Labor Mine Safety and Health Administration 1100 Wilson Boulevard, Room 2350, Arlington, VA 22209-3939 Phone:202 693-9440 Fax:202 693-9441 Email: silvey.patricia@dol.gov |