Epa Mats Ria

May 22 2020 epa published a final revised supplemental cost finding for mats and the clean air act required risk and technology review.

Epa mats ria.

Epa likely will leave mats in place and determine that after analyzing remaining risks from power plant mercury and air toxics emissions no further reductions are required. The environmental protection agency epa is amending the electronic reporting requirements for the national emission standards for hazardous air pollutants. July 17 2020 epa finalized minor revisions to the electronic reporting requirements for mats. Mats ria we did not perform air quality modeling for the final mats scenario.

Epa s appropriate and necessary and residual risk determinations are inconsistent with current science on mercury exposure the societal impacts of mercury pollution in. The mercury and air toxics standards reduces mercury and other toxic air pollutants from coal and oil fired power plants. Regulatory impact analysis for the final mercury and air toxics standards. The only change between the estimates included in the ria epa 2011 and the memorandum is the exclusion of co benefits.

Coal and oil fired electric utility steam generating units also known as the mercury and air toxics standards mats to allow for the temporary submission through june 30 2018 of. As mentioned above we used the available 2014 emissions and air quality modeling for the csapr to update the benefits of the csapr for 2016. Yet epa continues to rely on the outdated cost and health benefit estimates from the 2011 mats regulatory impact assessment ria to support its determination. The epa estimated in the mats ria that the annualized mercury related health benefits of reducing mercury emissions would be less than 10 million.

The epa developed an ria for the 2012 final mats rule pursuant to executive orders 12866 and 13563 and other applicable statutes e g the regulatory flexibility act and the unfunded mandates reform act as informed by omb guidance and the epa s economic guidelines. Recent studies that account for more pathways of methylmercury exposure and additional health effects suggest that the monetized benefits of reducing power plant mercury emissions in the u s.