In a December final decision, Environmental Protection Agency (EPA) Administrator Andrew Wheeler announced the Agency will not revise existing National Ambient Air Quality Standards (NAAQS) for particulate matter (PM).
The EPA recently announced it would not be making any changes to the National Ambient Air Quality Standards (NAAQS) for particulate matter (PM).
Two Clean Air Act (CAA) provisions governing deadlines for submission of state implementation plans (SIPs) to bring areas into attainment with the National Ambient Air Quality Standards (NAAQS) for particulate matter (PM) were at the core of a recent decision by a panel of the U.S. Court of Appeals for the D.C. Circuit.
The Clean Air Act required the EPA to develop NAAQS for six pollutants commonly found throughout the United States. These pollutants, referred to as “criteria pollutants,” are: Sulfur dioxide; Particulate matter (PM-10 and PM-2.5); Carbon monoxide; Ozone; Nitrogen dioxide; and Lead. The EPA established a primary and a secondary NAAQS for each criteria pollutant. The […]
Major Findings from the Second Integrated Urban Air Report to Congress Under the Clean Air Act (CAA) Amendments of 1990, the EPA was tasked with taking action to reduce toxic air emissions and associated human health risks. In 1999, the EPA developed the Integrated Urban Air Toxics Strategy for reducing air toxics risks from all […]