Pod Technologies – Power Plant MATS

Updated: 06/28/2017


On December 21, 2011 the United States Environmental Protection Agency (US EPA) announced Mercury and Air Toxics Standards (MATS) to limit mercury, acid gases, and other toxic pollution from power plants:

On March 17, 2016 US EPA finalized a number of clarifying changes and corrections to the final Mercury and Air Toxics Standards:

On April 14, 2016 the US EPA responded to a decision by the US Supreme Court that US EPA must consider cost in the appropriate and necessary finding supporting MATS:

On August 8, 2016 the US EPA denied two petitions for reconsideration of the startup and shutdown provisions in MATS:

On March 29, 2017 the US EPA finalized portions of its proposal to streamline "e-reporting" in MATS. The final rule allows power plants to submit certain emissions reports as PDFs until July 1, 2018, while US EPA works to put a single e-reporting system in place for MATS. The final rule also clarifies two mercury measurement quality assurance instructions:

Several other documents for the regulatory development process are available on the MATS Regulatory Actions web page.

Some links to regulatory updates, applicable test methods, monitoring equipment, and other information are listed below.



Health & Safety