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Code of Federal Regulations
C.F.R. Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER C—AIR PROGRAMS
PART 61—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS
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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.
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