Środowisko i energia · 14/04/2022
EPA Approves Arizona Air Plan Revision
The Environmental Protection Agency (EPA) is finalizing a revision to the Arizona State Implementation Plan (SIP) for the Bullhead City area, focusing on the second 10-year maintenance plan for particulate matter less than 10 micrometers in diameter (PM 10 ) in compliance with 1987 national ambient air quality standards (NAAQS).