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 Exemptions Construction Permit Operating Permit General and Registration Permits Emission Inventory Modeling Air Toxics Issued Operating Permits Tags Bureau of Air Quality Environment Permitting