This chapter, referred to in subsec. (a)(1), was in the original “this Act”, meaning Pub. L. 91–173, Dec. 30, 1969, 83 Stat. 742, known as the Federal Mine Safety and Health Act of 1977, which is classified principally to this chapter. For complete classification of this Act to the Code, see Short Title note set out under section 801 of this title and Tables.

1977—Subsec. (a). Pub. L. 95–164 substituted provisions revising and setting out in detail the procedures to be followed by the Secretary of Labor in developing, promulgating, and revising mandatory health and safety standards covering coal and other mines for provisions which had charged the Secretary of the Interior with the responsibility of developing standards for the protection of life and the prevention of injuries in coal mines.

Subsec. (b). Pub. L. 95–164 substituted provisions relating to emergency temporary mandatory standards for provisions requiring that improved standards not reduce the previously existing level of health and safety in coal mines.

Subsec. (c). Pub. L. 95–164 substituted provisions relating to the modification of standards for provisions covering the consultative and research steps in the promulgation of safety standards.

Subsec. (d). Pub. L. 95–164 substituted provisions relating to judicial review of standards for provisions covering the consultative and research steps in the promulgation of health standards.

Subsec. (e). Pub. L. 95–164 redesignated subsec. (k) as (e) and substituted “proposed mandatory health or safety standard or regulation” for “proposed standard or regulation” and “coal or other mine” for “coal mine”.

Subsecs. (f) to (j). Pub. L. 95–164 struck out subsecs. (f) to (j) which had related to the submission of objections to proposed standards, hearings, the effective date of standards, mandatory standards for surface coal mines, and the publication of pre-existing consistent regulations in the Federal Register and the continuing effectiveness of those regulations until modified or superseded, and incorporated those provisions, as altered to apply to coal and other mines and as otherwise revised, into subsec. (a).

Subsec. (k). Pub. L. 95–164 redesignated subsec. (k) as (e).

“Secretary of Health and Human Services” substituted for “Secretary of Health, Education, and Welfare” in subsec. (a)(1), (6)(B), and (7) pursuant to section 509(b) of Pub. L. 96–88 which is classified to section 3508(b) of Title 20, Education.

Amendment by Pub. L. 95–164 effective 120 days after Nov. 9, 1977, except as otherwise provided, see section 307 of Pub. L. 95–164, set out as a note under section 801 of this title.

Section operative 90 days after Dec. 30, 1969, except to the extent an earlier date is specifically provided for in Pub. L. 91–173, see section 509 of Pub. L. 91–173, set out as a note under section 801 of this title.

Pub. L. 109–236, § 10, June 15, 2006, 120 Stat. 501, provided that:“Not later than 18 months after the issuance by the Mine Safety and Health Administration of a final report on the Sago Mine accident or the date of enactment of the Mine Improvement and New Emergency Response Act of 2006 [June 15, 2006], whichever occurs earlier, the Secretary of Labor shall finalize mandatory heath and safety standards relating to the sealing of abandoned areas in underground coal mines. Such health and safety standards shall provide for an increase in the 20 psi standard currently set forth in section 75.335(a)(2) of title 30, Code of Federal Regulations.”