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Air Quality Permitting

What is Air Permitting?

In order to carry out the goals of the Clean Air Act, a number of permitting programs have been established and are implemented by EPA through its Regional Offices or, in most cases, carried out by states, local agencies, and approved tribes.

Trinity Air Quality: Air Permitting

Trinity Consultants can assist with all phases of the air permitting process. We have completed thousands of permitting projects and our experience translates into accurate, timely permit applications strategically crafted for maximum flexibility and expert negotiations with regulatory agencies, streamlining the permitting process.

The following client services will be provided as needed:

  • Regulatory applicability analyses
  • Permit strategy development
  • Emissions quantification
  • Emissions netting analyses
  • Permit application development
  • Compliance management tools
  • Compliance certification assistance
  • Control technology evaluations
  • Emissions trading assistance

What are the different types of air permits and who is required to obtain them?

New Source Review (NSR) Permits

What does a NSR permit do?

  • Protects air quality when sources like the following are newly built or modified:
    • Factories
    • Industrialboilers
    • Power plants
  • Assures the following take place:
    • New/modified industrial sources are as clean as possible
    • Advances in pollution control grow simultaneously with industrial expansion

Who is required to obtain a permit?

  • When sources of air emissions at a facility are built or modified, there are potentially 3 types of NSR permitting requirements (a facility may have to meet one or more of these requirements)
    1. Prevention of Significant Deterioration (PSD) Permits
      • Required for new major sources or major sources making a major modification in areas that meet the National Ambient Air Quality Standards (NAAQS)
    2. Nonattainment NSR (NNSR) Permits
      • Required for new major sources or major sources making a major modification in areas that don't meet the NAAQS
    3. Minor Source Permits
      • For pollutants from stationary sources that don't require PSD or NNSR permits.

Title V Operating Permits

What does a Title V Operating Permit do?

  • Legally enforceable documents designed to improve compliance by clarifying what facilities must do to control air pollution.

Who is required to obtain a permit?

  • Any major source that has actual or potential emissions at or above the major source threshold for any air pollutant
  • Any source with a PSD permit or NNSR permit
  • Affected sources under the Acid Rain rules
  • Solid Waste Incineration Units under Section 129 of the Clean Air Act
  • Certain non-major sources subject to NSPS/NESHAP/MACT/GACT requirements
*Facilities must certify their compliance with permit requirements at least annually

Tribal Permits

Outer Continental Shelf Permits