EPA Regional Programs


May. 13, 2010
EPA Sets Thresholds for Greenhouse Gas Permitting Requirements
EPA today announced a final rule to address greenhouse gas (GHG) emissions
from the largest stationary sources, while shielding millions of small
sources of GHGs from Clean Air Act permitting requirements. The phased-in,
common-sense approach will address facilities like power plants and oil
refineries that are responsible for 70 percent of the greenhouse gases from
stationary sources that threaten American's health and welfare. EPA's
phased-in approach will start in January 2011, when Clean Air Act permitting
requirements for GHGs will kick in for large facilities that are already
obtaining Clean Air Act permits for other pollutants. Those facilities will
be required to include GHGs in their permit if they increase these emissions
by at least 75,000 tons per year (tpy).

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Last Updated: July 16, 2014