On Sept. 8, 2026, a new comment period begins for the proposal to renew an air quality control permit for W.L. Gore & Associates, Inc., for continued operation of Woody Mountain Campus, a medical manufacturing facility located in Coconino County, Arizona. The comment period ends Oct. 8, 2026.

Class II Air Quality Permit Renewal No.: 110281

Permittee:

W.L. Gore & Associates, Inc.

Facility:

Woody Mountain Campus

3650 W. Kiltie Lane

Flagstaff, Arizona 86005
Coconino County

The facility is subject to the requirements of federal and state clean air regulations. The facility emits the following air contaminants: coarse particulate matter with diameters 10 micrometers or less  (PM₁₀), fine particulate matter with diameters 2.5 micrometers or less (PM_2.5), volatile organic compounds (VOCs), nitrogen oxides (NO_X), sulfur dioxide (SO₂), carbon monoxide (CO) and hazardous air pollutants (HAPs).

Review Documents:

• Original Published Public Notice | View Notice > 
• Draft Permit | View Permit >  
• Draft Technical Support Document (TSD) | View TSD >
• Permit Application | View App. >
• In person at:
  • ADEQ Record Center | Learn How >
  • City of Flagstaff Clerk’s Office, 211 W. Aspen Ave., Flagstaff, Arizona 86001

Public Comment Period:

Dates: Sept. 8, 2026 – Oct. 8, 2026

Comments may be submitted as follows:  

• By Email | Send Email >
• By Mail (Must be postmarked or received by Oct. 8, 2026):

ADEQ
Air Quality Division, Air Permits

Attn: Tim Pippenger
1110 W. Washington St.
Phoenix, AZ  85007