EPA poised to propose copper smelting air rule

November 23, 2021
EPA is nearing release of its proposed review of air toxics standards for copper smelters, which once released would provide another test of how aggressively the agency will strengthen the standards for a range of industry sectors. The White House Office of Management and Budget (OMB) completed pre-publication review of the rule Nov. 22, according to OMB’s website. The risk-and-technology review (RTR) rule for the primary copper smelting sector will determine whether there are “residual” risks to public health from...

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