CFR > Title 20 - Employees' Benefits > CHAPTER VI—OFFICE OF WORKERS' COMPENSATION PROGRAMS, DEPARTMENT OF LABOR > SUBCHAPTER B—FEDERAL COAL MINE HEALTH AND SAFETY ACT OF 1969, AS AMENDED (parts 718 to 726) > PART 718—STANDARDS FOR DETERMINING COAL MINERS' TOTAL DISABILITY OR DEATH DUE TO PNEUMOCONIOSIS > SUBPART A—General (§718.1 to §718.4)