Regulation & law · 25/10/2005

EPA Approves Colorado's Plan to Meet PM 10 Air Quality Standards

The Environmental Protection Agency (EPA) has finalized the approval of Colorado's State Implementation Plan (SIP) revision, redesignating the Lamar, Colorado area from nonattainment to attainment for particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers (PM 10 ) under the 1987 standards, as required by the Clean Air Act (CAA).