['Specialized Industries']
['Mining']
07/19/2025
...
(a) Section 317(e) of the Act (30 U.S.C. 877(e)) directs and authorizes the Secretary to propose and promulgate standards under which all working places in a mine shall be illuminated by permissible lighting while persons are working in such places § through 75.1719-4 prescribe the requirements for illumination of working places in underground coal mines while persons are working in such places and and while self-propelled mining equipment is operated in the working place.
(b) Mine operators shall comply with §§75.1719 through 75.1719-4 not later than July 1, 1978.
['Specialized Industries']
['Mining']
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