Air Quality > Commercial Industrial Air Permits

Commercial Industrial Air Permits

Permit Register

Air Quality Permits Environmental Permit Handbook

Notice of Construction Permit

How to Apply for a Notice of Construction Air Quality Permit

Guidance on: First and Second Tier Review of Toxic Air Pollution Sources Health Impact Analysis (Chapter 173-460 WAC); Health Impact Analysis (Chapter 173-460 WAC); and
Emission Unit and Activity Exemptions for New Source Review (WAC 173-400-110 and WAC 173-400-110(4))

Prevention of Significant Deterioration (PSD) Permits Information

General Orders of Approval

Tier II Information

Air Operating Permits

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