EPA sends air toxics rule for copper smelters to OMB

August 6, 2021
EPA has sent its proposed air toxics risk-and-technology review (RTR) rule for the primary copper smelting sector to the White House Office of Management and Budget (OMB) for pre-publication review, one of several such rules the agency is issuing under judicial deadlines. According to OMB’s website, EPA sent the proposal for review Aug. 4. OMB review typically takes up to 90 days, but can be faster or slower, depending on the circumstances. Under the Clean Air Act, EPA is required...

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