Federal Metal and Nonmetallic Mine Safety Amendments

[AI summary unavailable — showing source text] Federal Metal and Nonmetallic Mine Safety Amendments - Revises the existing Federal Metal and Nonmetallic Mine Safety Act. Adds new provisions, including a statement of congressional findings and purposes, to such Act. Inserts a "general duty" clause requiring each mine operator to furnish miners with employment and a place of employment which are free from hazards that are causing, or are likely to cause, death or injury. Requires the adoption of Federal mine safety standards and provides for promulgation of emergency temporary standards if the newly created Assistant Secretary of Labor for Metal and Nonmetallic Mine Safety determines that miners are exposed to grave danger from substances determined to be toxic or to cause injury, or from new hazards. Adds provisions allowing affected operators to apply for a variance from the established standards. Offers such operators an opportunity to participate in a hearing on the promulgation of standards. Sets forth instances when the Assistant Secretary may grant a variance. Authorizes the Secretary of Health, Education, and Welfare or the Assistant Secretary to inspect any mine subject to this Act. Provides that in making inspections an…