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Particle Pollution Designations

Particle Pollution Designations Regulatory Actions

This page contains a chronological listing of all regulatory actions related to designations for the 2012 particle pollution standard.

EPA Establishes Additional Final Area Designations for the 2012 Annual Fine Particle Standard for Areas in Tennessee

May 10, 2017 - EPA issues initial designations for areas in Tennessee for the 2012 primary annual national ambient air quality standard for fine particle pollution.

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EPA Establishes Additional Final Area Designations for the 2012 Annual Fine Particle Standard for Areas in Georgia and Florida

August 30, 2016 - EPA issues initial designations for certain areas in Georgia and Florida for the 2012 primary annual national ambient air quality standard for fine particle pollution.

EPA Establishes Additional Final Area Designations and Technical Amendment for the 2012 Annual Fine Particle Standard  

March 31, 2015 - EPA is establishing or revising initial area designations and a technical amendment to correct an inadvertent error in the initial designation for one area for the 2012 annual national ambient air quality standards for fine particle pollution. 

EPA Finalizes Initial Area Designations for the 2012 National Air Quality Standard for Fine Particles

December 18, 2014 - After considering state and tribal recommendations, reviewing the most recent certified fine particle air quality data, and emissions that contribute fine particle pollution, EPA has completed initial designations for the 2012 annual fine particle standard.

Recommended Area Designations for the 2012 National Air Quality Standards for Fine Particles

August 19, 2014 -  In response to recommendations from state and tribal representatives, EPA sent letters outlining the areas it’s intended designations for the annual fine particle air quality standards set in 2012.