30 CFR § 72.500 Health Standards for Coal Mines

§ 72.500 Emission limits for permissible diesel-powered equipment.

Current through Jul 27, 2026 · Read all of Part 72

(a) [Reserved]

(b) Each piece of permissible diesel-powered equipment operated in an underground area of an underground coal mine must emit no more than 2.5 grams per hour of diesel particulate matter.

[91 FR 38283, June 25, 2026]

← § 72.100 Periodic examinations.§ 72.501 Emission limits for nonpermissible heavy-duty diesel-powered equipment, generators and compressors. →