2012 mercury and air toxics standards mats.
Epa mats standards.
The mats set standards for all hazardous air pollutants haps emitted by coal and oil fired egus with a capacity of 25 megawatts or greater.
July 17 2020 epa finalized minor revisions to the electronic reporting requirements for mats.
These are called national emission standards for hazardous air pollutants neshap also known as maximum achievable control technology mact standards.
A co benefit of the mercury regulations.