U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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All TitlesTitle 40Chapter IPart 61Subpart K - Subpart K—National Emission Standards for Radionuclide Emissions From Elemental Phosphorus Plants
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The provisions of this subpart are applicable to owners or operators of calciners and nodulizing kilns at elemental phosphorus plants.
