Title 30
SECTION 57.5046
57.5046 Protection against radon gas.
§ 57.5046 Protection against radon gas.Where radon daughter concentrations exceed 10 WL, respirator protection against radon gas shall be provided in addition to protection against radon daughters. Protection against radon gas shall be provided by supplied air devices or by face masks containing absorbent material capable of removing both the radon and its daughters.