§61.22. Standard.
40 C.F.R. § 61.22
Emissions of radon-222 to the ambient air from an underground uranium mine shall not exceed those amounts that would cause any member of the public to receive in any year an effective dose equivalent of 10 mrem/y.
Notes, amendments, and revision history
Source
Source: 54 FR 51694, Dec. 15, 1989, unless otherwise noted.
Authority
Authority: 42 U.S.C. 7401 et seq.
Source
Source: 38 FR 8826, Apr. 6, 1973, unless otherwise noted.