The law expands the scope of education and training programs. Underground mines are to be inspected every year and Federal inspectors can issue notices of violation and orders of withdrawal. State inspectors are allowed to enforce Federal standards under a State plan system, and the law addresses education and training programs. Congress passes Public Law 91-173, the Federal Coal Mine Health and Safety Act of 1969. Underground coal mines are to be inspected four times each year, and surface mines are included under the provisions of the Act.
Miners can request inspections, and State enforcement plans are discontinued.
The law strengthens safety standards for all coal mines and adopts health standards. It also incorporates procetures to develop new health and safety standards. Mandatory fines are established for all violations. MESA assumes health and safety enforcement functions formerly carried out by the Bureau of Mines. Congress passes Public Law 95-164, the Federal Mine Safety and Health act of 1977.