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Air Quality

Laws & Regulations

The rules listed below link to many state and federal air regulations affecting facilities in South Carolina.

Clean Air Act (CAA), 42 U.S.C. 7401 et seq., as amended

Title I

The New Source Review (NSR) permitting program (Construction Permits) requirements are found in three separate parts of the Clean Air Act (CAA), 42 U.S.C. 7401 et seq., as amended:

  • Minor NSR permits are required by Section 110(a)(2)(C) of Part A of Title I;
  • Prevention of Significant Deterioration (PSD) permits for new major sources or a major source making a major modification in an attainment area are required by Part C of Title I; and
  • Nonattainment NSR permits for new major sources or major sources making a major modification in a nonattainment area are required by Part D of Title I

Title V

If your facility is deemed to be a "major source" as defined in S.C. Regulation 61-62.70, Title V Operating Permit Program, you are typically required to obtain a Title V operating permit.

Title V of the Clean Air Act*:

* Note: This page has links to Clean Air Act sections that are part of the U.S. Code Collection maintained by the Legal Information Institute of the Cornell University Law School. EPA does not control the content of that website.


40 CFR (Code of Federal Regulations)

Title 40 - Protection of Environment, Chapter I - Environmental Protection Agency

Subchapter C - Air Programs (Parts 50 - 99)

  • Part 50 - National Primary and Secondary Ambient Air Quality Standards
  • Part 51 - Requirements for Preparation, Adoption, and Submittal of Implementation Plans
  • Part 52 - Approval and Promulgation of Implementation Plans
  • Part 53 - Ambient Air Monitoring Reference and Equivalent Methods
  • Part 54 - Prior Notice of Citizen Suits
  • Part 56 - Regional Consistency
  • Part 57 - Primary Nonferrous Smelter Orders
  • Part 58 - Ambient Air Quality Surveillance
  • Part 59 - National Volatile Organic Compound Emission Standards for Consumer And Commercial Products
  • Part 60 - Standards of Performance for New Stationary Sources
  • Part 61 - National Emission Standards for Hazardous Air Pollutants
  • Part 62 - Approval and Promulgation of State Plans For Designated Facilities And Pollutants
  • Part 63 - National Emission Standards for Hazardous Air Pollutants for Source Categories
  • Part 64 - Compliance Assurance Monitoring
  • Part 65 - Consolidated Federal Air Rule
  • Part 67 - EPA Approval of State Noncompliance Penalty Program
  • Part 68 - Chemical Accident Prevention Provisions
  • Part 70 - State Operating Permit Programs
  • Part 72 - Permits Regulation
  • Part 73 - Sulfur Dioxide Allowance System
  • Part 74 - Sulfur Dioxide Opt-Ins
  • Part 75 - Continuous Emission Monitoring
  • Part 76 - Acid Rain Nitrogen Oxides Emission Reduction Program
  • Part 77 - Excess Emissions
  • Part 78 - Appeal Procedures
  • Part 81 - Designation of Areas for Air Quality Planning Purposes
  • Part 82 - Protection of Stratospheric Ozone
  • Part 89 - Control of Emissions from New and In-Use Nonroad Compression-Ignition Engines
  • Part 90 - Control of Emissions from Nonroad Spark-Ignition Engines at or Below 19 Kilowatts
  • Part 91 - Control of Emissions from Marine Spark-Ignition Engines
  • Part 93 - Determining Conformity of Federal Actions to State or Federal Implementation Plans
  • Part 94 - Control of Emissions from Marine Compression-Ignition Engines
  • Part 96 - NOX Budget Trading Program and CAIR NOX and SO2 Trading Programs for State Implementation Plans
  • Part 97 - Federal NOX Budget Trading Program and CAIR NOX and SO2 Trading Programs
  • Part 98 - Mandatory Greenhouse Gas Reporting

For more information please contact the Bureau of Air Quality at (803) 898-4123 or by email.