Regulation & law · 20/11/2017

EPA Withdraws Direct Final Rule for Iowa's Infrastructure SIP Requirements for 2012 PM2.5 NAAQS

The Environmental Protection Agency (EPA) is withdrawing a direct final rule for the State of Iowa's implementation plan for the 2012 annual fine particulate matter (PM2.5) national ambient air quality standard (NAAQS) due to an adverse comment, as required by the Clean Air Act (CAA) section 110. This decision affects the state's air quality management program and its compliance with federal regulations.