Federal regulations · Through 2026-08-25 · Newer source version available

30 CFR 57.5039: Maximum permissible concentration.

Where this section sits in the code

Title 30—Mineral Resources
CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart D—Air Quality, Radiation, Physical Agents, and Diesel Particulate Matter

Except as provided by standard § 57.5005, persons shall not be exposed to air containing concentrations of radon daughters exceeding 1.0 WL in active workings.

Collected 2026-08-27T02:25:24Z. Source file · JSON

Browse this collection