CFR›Title 30›Chapter I›Part 72 ContainsSubparts A–ECorpusDaily eCFRDisplayed edition2026-09-24Last updated2026-09-24 PART 72—HEALTH STANDARDS FOR COAL MINES Subparts A Subpart A—General B Subpart B—Medical Surveillance C Subpart C [Reserved] D Subpart D—Diesel Particulate Matter—Underground Areas of Underground Coal Mines E Subpart E—Miscellaneous Authority30 U.S.C. 811, 813(h), 957.Source59 FR 8327, Feb. 18, 1994, unless otherwise noted.