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Air Permits Issued By EPA Region 10

EPA Region 10 serves Alaska, Idaho, Oregon, Washington, and 271 native tribes.

On this page:

Types of Permits Issued

  • PSD - Prevention of Significant Deterioration major source construction permits in "attainment areas."
  • nNSR – Major source construction permits in "nonattainment areas."
  • mNSR – Minor source construction permits in Indian Country.
  • GP-XXXX – General permits or permits by rule in Indian Country identified by one of eleven different source categories (e.g. GP-HMAP is a general permit for a hot mix asphalt plant).
  • Title V – Major source Part 71 operating permits (only in Indian Country in Idaho, Oregon, and Washington).
  • Non-Title V – Federal Air Rules for Reservations (FARR) operating permits (only in Indian Country in Idaho, Oregon, and Washington).
  • OCS – Outer Continental Shelf construction and operating permits (except off the North Slope of Alaska).

Source Categories Eligible for General Permit or Permit by Rule

General permits or permits by rule are now available at EPA's Tribal Minor New Source Review web page for the following source categories:


Current Permits

Current Air Permits Issued by EPA Region 10
Facility Name State City Location Permit Type Issue Date Permit Status Documents
Empire Lumber Company ID Kamiah Nez Perce Reservation Title V 2016-03-01 Current

Empire Lumber Company Title V Permit and Statement of Basis

Omak Forest Products, LLC WA Omak Colville Reservation Title V 2016-05-06 Extended

Omak Forest Products Title V Permit and Statement of Basis

Stimson Lumber (formerly Plummer Forest Products) ID Plummer Coeur d'Alene Reservation Title V 2015-05-13 Current Stimson Lumber Title V Permit and Statement of Basis
Williams Corporation, Northwest Pipeline LLC ID Pocatello Fort Hall Indian Reservation Title V 2015-09-30 Current

Williams Corporation Title V Permit and Statement of Basis

ASCORP Inc dba DEBCO Construction n/a n/a Portable Non-Title V 2010-08-10 Current ASCORP Non-Title V Permit and Technical Support Document
Columbia Ready Mix, Inc n/a n/a Portable Non-Title V 2010-08-10 Current Columbia Ready Mix Non-Title V Permit and Technical Support Document
Colville Indian Precision Pine WA Omak Colville Reservation Non-Title V 2007-09-24 Current

Colville Indian Precision Pine Non-Title V Permit and Technical Support Document

CPM Development Corp dba Inland Asphalt Company (#20) n/a n/a Portable Non-Title V 2010-08-10 Current CPM #20 Non-Title V Permit and Technical Support Document
CPM Development Corp dba Inland Asphalt Company (#25) n/a n/a Portable Non-Title V 2010-08-10 Current CPM #25 Non-Title V Permit and Technical Support Document
Clearwater Forest Industries ID Kooskia Nez Perce Reservation Non-Title V 2009-03-05 Current Clearwater Forest Non-Title V Permit and Technical Support Document
Ende Machine & Foundry LLC ID Craigmont Nez Perce Reservation Non-Title V 2013-12-16 Current Ende Machine & Foundry Non-Title V Permit and Technical Support Document
Granite Construction Company n/a n/a Portable Non-Title V 2012-09-19 Current Granite Construction Non-Title V Permit and Technical Support Document
Knife River, Inc (Gencor 400) n/a n/a Portable Non-Title V 2012-09-19 Current Knife River (Gencor) Non-Title V Permit and Technical Support Document
Knife River, Inc (Astec) n/a n/a Portable Non-Title V 2010-08-10 Current Knife River (Astec) Non-Title V Permit and Technical Support Document
Knife River, Inc (CMI) n/a n/a Portable Non-Title V 2010-08-10 Current Knife River (CMI) Non-Title V Permit and Technical Support Document
McClarin Plastics, LLC WA Wapato Yakama Reservation Title V 2016-09-28 Current McClarin Plastics, LLC Title V Air Permit
McClarin Plastics, LLC WA Wapato Yakama Reservation Non-Title V 2016-09-28 Current McClarin Plastics, LLC Non-Title V Air Permit
Mickelsen Construction, Inc. n/a n/a Portable Non-Title V 2014-09-17 Current Mickelson Construction Non-Title V Permit and Technical Support Document
Neucor, Inc. WA White Swan Yakama Reservation mNSR 2016-04-19 Current

Neucor, Inc. Minor NSR Air Permit and Analysis

Omak Forest Products, LLC WA Omak Colville Reservation Non-Title V 2016-02-18 Current Omak Forest Products Non-Title V Permit and Technical Support Document
Pace International, LLC WA Wapato Yakama Reservation Non-Title V 2006-12-04 Current

Pace International Non-Title V Permit and Technical Support Document

Petersen Incorporated Idaho ID Pocatello Fort Hall Reservation mNSR 2014-09-30 Current Peterson Inc. Minor NSR Permit and Technical Support Document
Pioneer Asphalt, Inc. OR Pendleton Umatilla Indian Reservation Non-Title V 2013-08-22 Current Pioneer Asphalt Non-Title V Permit and Technical Support Document
Poe Asphalt Paving, Inc n/a n/a Portable Non-Title V 2009-07-01 Current

Poe Asphalt Non-Title V Permit and Technical Support Document

Silgan Containers Manufacturing Corporation WA Toppenish Yakama Reservation Non-Title V 2015-06-08 Current Silgan Containers Non-Title V Permit and Technical Support Document
Stimson Lumber Company ID Plummer Coeur d'Alene Non-Title V 2007-09-28 Current

Stimson Lumber Non-Title V Permit and Technical Support Document

Washington Beef LLC WA Toppenish Yakama Reservation Non-Title V 2015-01-23 Current Washington Beef Non-Title V Permit and Technical Support Document
Yakama Forest Products WA White Swan Yakama Reservation Title V 2015-09-29 Current Yakama Forest Products Title V Permit and Statement of Basis
Granite Construction Inc. - Omak Facility WA Okanogan Colville Reservation General Permit - HMA 2016-09-22 Current Approval of Granite Construction HMA Request for Coverage and Technical Support Document
Granite Construction Inc. - Omak Facility WA Okanogan Colville Reservation General Permit - SQCS 2016-09-22 Current Approval of Granite Construction SQCS Request for Coverage and Technical Support Document
Central Washington Concrete - Toppenish Quarry WA Toppenish Yakama Reservation General Permit - SQCS 2016-09-28 Current Approval of Central WA Concrete SQCS Request for Coverage and Technical Support Document
Wheeler Rock Products - Wheeler Pit WA Wapato Yakama Reservation General Permit - SQCS 2017-08-11 Current Approval of Wheeler Rock Products SQCS Request for Coverage and Technical Support Document
Wheeler Rock Products - Wheeler Pit WA Wapato Yakama Reservation General Permit - CBP 2017-08-11 Current Approval of Wheeler Rock Products CBP Request for Coverage and Technical Support Document

Technical Memoranda

Listed below are the technical memoranda referenced in some permits issued by EPA Region 10.

Biomass boilers »

  • HAP Potential to Emit Emission Factors for Biomass Boilers Located in Pacific Northwest Indian Country
  • Non-HAP Potential to Emit Emission Factors for Biomass Boilers Located in Pacific Northwest Indian Country
  • Procedure to Determine a Biomass Boiler’s Fuel-Heat-Input-To-Steam-Output Ratio

Sawmills »

  • Particulate Matter Potential to Emit Emission Factors for Activities at Sawmills, Excluding Boilers, Located in Pacific Northwest Indian Country
  • EPA Region 10 HAP and VOC Emission Factors for Lumber Drying

Plywood mills »

  • EPA Region 10 HAP and VOC Emission Factors for Veneer Dryer Employing Indirect Steam Heat without Air Pollution Controls