EPA: Air Quality Rules Tightened for Maricopa County, Arizona Emissions
December 11, 2025
December 11, 2025
WASHINGTON, Dec. 11 (TNSFR) -- The U.S. Environmental Protection Agency has given its final approval to local air quality rule revisions in Maricopa County, Arizona, aimed at controlling emissions of volatile organic compounds (VOC) and particulate matter (PM).
EPA's action incorporates the updated rules into the Arizona state implementation plan (SIP), making them federally enforceable under the Clean Air Act.
The approval addresses emissions from various industri . . .
EPA's action incorporates the updated rules into the Arizona state implementation plan (SIP), making them federally enforceable under the Clean Air Act.
The approval addresses emissions from various industri . . .