This chapter, referred to in subsec. (b), was in the original “this Act”, meaning Pub. L. 91–173,
1979—Subsec. (c)(1). Pub. L. 96–38 substituted “Department of Labor” for “Department of the Interior” and “Secretary of Labor” for “Secretaries of Labor and the Interior”.
Subsec. (c)(2). Pub. L. 96–38 struck out par. (2) which directed that the National Mine Health and Safety Academy use the facilities and personnel of the Department of the Interior and that the Secretary of the Interior appoint or assign to the Academy necessary officers and employees.
1977—Subsecs. (a), (b). Pub. L. 95–164, § 303(b), inserted references to mines other than coal mines.
Subsec. (c). Pub. L. 95–164, § 303(h), added subsec. (c).
Amendment by Pub. L. 95–164 effective 120 days after