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.

Epa mats ria.

The environmental protection agency epa is amending the electronic reporting requirements for the national emission standards for hazardous air pollutants. May 22 2020 epa published a final revised supplemental cost finding for mats and the clean air act required risk and technology review. The most likely immediate. Mats ria we did not perform air quality modeling for the final mats scenario.

Epa is likely to soon issue a final rule withdrawing the appropriate and necessary finding that underpins the mercury and air toxic standards mats. 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. 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. July 17 2020 epa finalized minor revisions to the electronic reporting requirements for mats.

Accompanying epa s 2019 proposal the agency issued a six page memorandum that includes a reinterpretation of the cost and benefit estimates from the mats regulatory impact analysis ria completed in 2011 epa 2018. 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. 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.

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.