40 CFR Part 61 - National Emission Standards for Hazardous Air Pollutants (NESHAPS)

This page contains a listing of all subparts for 40 CFR Part 61. Each subpart has Decision Support System components specific to that portion of the regulations.

The following numbers indicate only if rule text and/or historic rule opinions are available for the respective subpart, and explain why flowcharts and requirement reference table (RRT) are not included.
" 1 " RRT and flowcharts will not be developed for general provisions or emission guidelines.
" 2 " RRT and flow charts will not be developed for these rules because there are less than 5 sites in Texas.
" 3 " RRT and flow charts will not be developed for these rules because they are sitewide requirements.
" 4 " RRT and flowcharts for these rules are currently in development and will be provided as they are finalized

Titles of 40 CFR Part 61 Subparts

• Subpart A ¹-General Provisions
• Subpart B²-National Emission Standards for Radon Emissions from Underground Uranium Mines
• Subpart C-National Emission Standards for Beryllium
• Subpart D ²-National Emission Standard for Beryllium Rocket Motor Firing
• Subpart E-National Emission Standards for Mercury
• Subpart F-National Emission Standards for Vinyl Chloride
• Subpart G -- [Reserved]
• Subpart H ²-National Emission Standards for Emissions of Radionuclides Other Than Radon from Department of Energy Facilities
• Subpart I ²-National Emission Standards for Radionuclide Emissions from Federal Other Than Nuclear Regulatory Commission Licensees and Not Covered by Subpart H
• Subpart J-National Emission Standards for Equipment Leaks (Fugitive Emission Sources) of Benzene
• Subpart K-National Emission Standards for Radionuclide Emissions From Elemental Phosphorus Plants
• Subpart L ²-National Emission Standards for Benzene Emissions from Coke By-Product Recovery Plants
• Subpart M-National Emission Standards for Asbestos
• Subpart N ²-National Emission Standard for Inorganic Arsenic Emissions from Glass Manufacturing Plants
• Subpart O-National Emission Standard for Inorganic Arsenic Emissions from Primary Copper Smelters
• Subpart P²-National Emission Standard for Inorganic Arsenic Emissions from Arsenic Trioxide and Metallic Arsenic Production Facilities
• Subpart Q ²-National Emission Standard for Radon Emissions from Department of Energy Facilities
• Subpart R ²-National Emission Standard for Radon Emissions from Phosphogypsum Stacks
• Subpart S -- [Reserved]
• Subpart T ²-National Emission Standards for Radon Emissions from the Disposal of Uranium Mill Tailings
• Subpart U -- [Reserved]
• Subpart V-National Emission Standards for Equipment Leaks (Fugitive Emission Sources)
• Subpart W ²-National Emission Standards for Radon Emissions from Operating Mill Tailings
• Subpart X -- [Reserved]
• Subpart Y-National Emission Standards for Benzene Emissions from Benzene Storage Vessels
• Subparts Z - AA -- [Reserved]
• Subpart BB-National Emission Standard for Benzene Emissions from Benzene Transfer Operations
• Subparts CC - EE -- [Reserved]
• Subpart FF-National Emission Standard for Benzene Waste Operations

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