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 benefits.
The costs and benefits associated with mats are discussed in detail in the february 16 2012 final mats rule.
Mats ria we did not perform air quality modeling for the final mats scenario.
Indeed these projected co benefits comprised the overwhelming majority approximately 99 9 percent of the monetized benefits of mats reflected in the epa s ria 36 billion to 89 billion.
July 17 2020 epa finalized minor revisions to the electronic reporting requirements for mats.
See epa s about pdf page to learn more.
The epa projected that the co benefits associated with reducing these non hap pollutants would be substantial.
Typically an ria is structured similarly to an eia except that a benefits analysis of the rule is included along with an estimation of the net benefits.
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.
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The impacts of mercury emissions on human health and the environment are well understood.
Among other shortcomings the 2011 mats ria that epa relied on only accounts for the benefits of mercury reductions to children of freshwater recreational anglers in the u s a small fraction of the total population affected.
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.
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 most likely immediate.
Epa is likely to soon issue a final rule withdrawing the appropriate and necessary finding that underpins the mercury and air toxic standards mats.
Regulatory impact analysis for the final mercury and air toxics standards.
The epa estimated in the mats ria that the annualized mercury related health benefits of reducing mercury emissions would be less than 10 million.
Judicial review and administrative reconsideration under caa section 307 b 1 judicial review of this final action is available only by filing a petition for review in the united states court of appeals for the district of.
