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  1. Home
  2. Permitting Under the Clean Air Act
  3. Clean Air Act Permitting Around the Nation

CAA Permitting in EPA's Pacific Northwest Region

EPA's Region 10 (Pacific Northwest) serves Alaska, Idaho, Oregon, Washington, and 271 tribal nations.


Air Permit Actions

Public Comment Opportunities

  • Revised draft title V operating permit for PotlatchDeltic Land and Lumber, LLC -  St. Maries Complex. Comments due May 23, 2025.

Pending Actions​

  • Request for Coverage Under General Permit for HMA Plants in Indian Country: Knife River Corporation - Mountain West near Pocatello, Idaho on the Fort Hall Reservation. Application received February 11, 2025.
  • Request for Coverage Under General Permit for SQCS Facilities in Indian Country: Premier Excavation - Pendleton Mission Quarry near Pendleton, Oregon on the Umatilla Reservation. Application received February 26, 2025.

Recently Issued Permits and Approvals

  • None at this time.

State Permitting Authority Permit Actions

  • For information on the status/dates of Part 70 permits submitted to EPA Region 10 by state permitting authorities, contact Geoffrey Glass (glass.geoffrey@epa.gov), (206) 553-1847.

Air Permits and Program Oversight

  • Air permits issued by EPA Region 10
  • Schedule a pre-application meeting
  • Delegations and program approvals
  • Permit program reviews
  • Federal Air Rules for Reservations (FARR)
  • NSPS and NESHAP delegations

State Air Permitting Authorities

  • Alaska permitting authorities
  • Idaho permitting authorities
  • Oregon permitting authorities
  • Washington permitting authorities

Region 10 Contacts

Mailing Address:

Air Permits, Toxics, Transportation and Communities Branch
U.S. EPA Region 10
Mailstop: 15-H13
1200 Sixth Avenue, Suite 155
Seattle, Washington 98101

Contact Phone Responsibility
Karl Pepple, (pepple.karl@epa.gov) (206) 553-1778 Acting Manager, Air Permits, Toxics, Transportation and Communities Branch
Geoffrey Glass (glass.geoffrey@epa.gov) (206) 553-1847 Senior Air Permits Advisor
Christopher Familiare (familiare.christopher@epa.gov) (206) 553-1250 Air Permit Writer
Valerie Gardner (gardner.valerie@epa.gov) (907) 271-6561 Environmental Engineer

Bryan Holtrop, P.E.  (holtrop.bryan@epa.gov)

(206) 553-4473 Air Toxics & Air Permit Writer
Jay McAlpine, PhD (mcalpine.jay@epa.gov) (206) 553-0094 Air Permits Modeling Contact
Dan Meyer (meyer.dan@epa.gov) (206) 553-4150 Air Permit Writer
Rizwan Syed (syed.rizwan@epa.gov) (206) 553-6345 Air Permit Writer
Althea Godfrey (godfrey.althea@epa.gov) (206) 553-1604 Title V (Part 71) Fees

Mailing List

Sign up to receive email notices about proposed Clean Air Act permit actions in EPA Region 10.

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)
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    • 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 April 23, 2025
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