Air Permitting The Bureau of Air Quality (BAQ) issues permits limiting the amount of regulated air contaminants emitted at a facility. The BAQ issues construction permit, operating permits, general permits, and registration permits. Permitting Contacts Guidance & Tools ePermitting Training Department Decisions Public Participation Image Exemptions Image Construction Permit Image Operating Permit Image General and Registration Permits Image Emission Inventory Image Modeling Image Air Toxics Image Issued Operating Permits Tags Bureau of Air Quality Environment Permitting