40 CFR Subpart R
National Emission Standards for Radon Emissions From Phosphogypsum Stacks
June 9, 2020
§
61.200
Designation of facilities
§
61.201
Definitions
§
61.202
Standard
§
61.203
Radon monitoring and compliance procedures
§
61.204
Distribution and use of phosphogypsum for outdoor agricultural purposes
§
61.205
Distribution and use of phosphogypsum for indoor research and development
§
61.206
Distribution and use of phosphogypsum for other purposes
§
61.207
Radium-226 sampling and measurement procedures
§
61.208
Certification requirements
§
61.209
Required records
§
61.210
Exemption from the reporting and testing requirements of 40 CFR 61.10