Subpart R. Subpart R—National Emission Standards for Radon Emissions From Phosphogypsum Stacks

• § 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.