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  1. Home
  2. Permitting Under the Clean Air Act

Region 4 Outer Continental Shelf (OCS) References

Clean Air Act Sections

Title III - Section 328 (OCS Activities)

EPA Regulations

OCS Regulations (40 CFR Part 55)

PSD Regulations (40 CFR 52.21) 

Title V Regulations (40 CFR Part 71 - GPO)

Guidance Documents

OCS Permit Application Requirements (EPA Region 4 Document)

1990 Draft NSR Workshop Manual (EPA Document)

Class I Area Maps (NPS Document)

NSR Policy & Guidance Database

Title V Policy & Guidance Database

Region 4 Outer Continental Shelf Links

  • Region 4 OCS Permitting Activity
  • OCS Permitting Process in Region 4
  • Region 4 OCS Permit Contacts and Other Federal Agency OCS Contacts
  • Draft OCS Air Permits in Public Notice 
  • OCS References

Region 4 CAA Permitting Focus

  • Region 4 Permitting
  • OCS Permits
  • Proposed Title V Permits and State Contacts
  • Region 4 - Permitting Contacts by Topic
  • State and Local PSD Applications Under Review
  • Sign Up to receive emails from Region 4's Public Notice Distribution List

National Supporting Resources

  • CAA Permitting Home
  • New Source Review (NSR) Program
  • Title V Program
  • Tribal Permit Program
  • Outer Continental ​Shelf Permit Program
  • CAA Permitting Tools & ​Related Resources
  • Air Permitting Terms
  • Where You Live

Air Permitting Policy & Guidance

  • Search Documents
  • NSR Policy & Guidance
  • Title V Policy & Guidance
  • Title V Petition Database

Permitting Under the Clean Air Act

  • Clean Air Act Permitting Around the Nation
    • New England Region (R1)
    • New York, New Jersey, Puerto Rico and U.S. Virgin Islands (R2)
    • Mid-Atlantic Region (R3)
    • Southeastern Region (R4)
    • Great Lakes Region (R5)
    • South Central Region (R6)
    • Midwest Region (R7)
    • Mountains and Plains Region (R8)
    • Pacific Southwest Region (R9)
      • About PSD Permitting in Region 9
      • Air Permit Delegation and PSD SIP Approval Status in Region 9
      • About NSR Permitting in Region 9
      • About Title V Permitting in Region 9
      • Electronic Permit System and Dashboards
      • Pending and Completed Permit Actions
      • Clean Air Act Permitting in Arizona
      • Clean Air Act Permitting in California
      • Clean Air Act Permitting in Hawai'i and Pacific Islands
      • Clean Air Act Permitting in Nevada
    • Pacific Northwest Region (R10)
  • CAA Permitting Tools & ​Related Resources
  • Outer Continental Shelf Air Permits
Contact Us About Permitting Under the Clean Air Act
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on March 18, 2025
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