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It is available in digital and printed form, and can be referenced online using the Electronic Code of Federal Regulations (e-CFR). 30 CFR Part 11 regulations for respirators have been moved to Title 42, Part 84. [1]
It was formed by the Federal Coal Mine Health and Safety Act of 1969, [2] and co-approved respirators with NIOSH under 30 CFR Part 11. [3] It was dissolved and replaced with MSHA following the passage of the Federal Mine Safety and Health Act of 1977.
The Mine Safety and Health Administration (MSHA) (/ ˈ ɛ m ʃ ə /) is a large agency of the United States Department of Labor which administers the provisions of the Federal Mine Safety and Health Act of 1977 (Mine Act) to enforce compliance with mandatory safety and health standards as a means to eliminate fatal accidents, to reduce the frequency and severity of nonfatal accidents, to ...
It can be found in the United States Code under Title 30, Mineral Lands and Mining, Chapter 22, Mine Safety and Health. The S. 717 legislation was passed by the 95th United States Congressional session and enacted into law by the 39th President of the United States Jimmy Carter on November 9, 1977. [1]
A material may have a relatively low autoignition temperature yet if its flash-point is above the ambient temperature, then the area may not need to be classified. Conversely if the same material is heated and handled above its flash-point, the area must be classified for proper electrical system design, as it will then form an ignitable mixture.
In a five-year period from 1906-1911, 13,228 miners were killed in U.S. coal mines. As a result, the Bureau of Mines was established by Congress on July 1, 1910, "to make diligent investigation of the methods of mining, especially in relation to the safety of miners and the appliances best adapted to prevent accidents."