40 CFR 61.202: Standard.
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER C—AIR PROGRAMS
- PART 61—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS
- Subpart R—National Emission Standards for Radon Emissions From Phosphogypsum Stacks
Each person who generates phosphogypsum shall place all phosphogypsum in stacks. Phosphogypsum may be removed from a phosphogypsum stack only as expressly provided by this subpart. After a phosphogypsum stack has become an inactive stack, the owner or operator shall assure that the stack does not emit more than 20 pCi/(m 2-sec) (1.9 pCi/(ft 2-sec)) of radon-222 into the air.
Collected 2026-08-27T02:26:04Z. Source file · JSON