AIR-QUALITY-CONTROL REGION
air-quality-control region.Environmental law. A federally designated area in which
communities share an air-pollution problem, often involving several states; an interstate area or
major intrastate area that the Environmental Protection Agency designates for monitoring and
ameliorating ambient air-quality standards. 42 USCA § 7407(c). [Cases: Environmental Law
254–301.] [Blacks Law 8th]