EPA reverses air emission rule
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As part of the Trump administration’s efforts to reduce burdensome regulations, the U.S. EPA has withdrawn a 23-year-old policy intended to reduce air emissions of hazardous substances such as arsenic, lead, mercury, and benzene. Affected facilities include coal-fired power plants and chemical facilities. Under the former policy, once a facility was classified as a “major” source of hazardous air emissions, it was always considered a major source. That meant that it was required to reduce emissions down to levels based on how much is technologically possible for the lifetime of the operation. Now, under guidelines released by EPA on Jan. 25, facilities that are classified as a major source can be reclassified as an “area” source if their emissions fall below a certain threshold. Area sources are subject to weaker standards than major sources. Chemical manufacturers, the fossil fuel industry, and Republicans in Congress are cheering the move. In a