Regulation & law · 16/11/2017

EPA Establishes Air Quality Designations for 2015 Ozone NAAQS

The Environmental Protection Agency (EPA) has designated 2,646 counties, including Indian Country, as Attainment/Unclassifiable or Unclassifiable, in accordance with the 2015 primary and secondary national ambient air quality standards (NAAQS) for ozone.