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EPA Extends Comment Period on EGU MACT Reconsideration

Posted Thursday, December 20th, 2012

On December 12, 2012, due to a publishing error, EPA announced a one-week extension of the public comment period on proposed revisions to the Mercury and Air Toxics Standard (MATS) for new electric utility steam generating units, also known as the electric utility steam generating unit maximum achievable control technology (EGU MACT).  77 Fed. Reg. 73,968.  Proposed revisions generally ease emission limits for new units, but EPA anticipates no significant changes in compliance costs or emission reductions.  As previously reported, EPA published proposed revisions to the EGU MACT on November 30, 2012, as part of a reconsideration to address compliance monitoring constraints for mercury emissions and additional data regarding particulate matter (PM) and hydrogen chloride emissions.  Proposed revisions also address work practice standards, particularly for startup and shutdown.  Under the extension, EPA is now accepting comments on the proposal until January 7, 2013.   Contact Jon Harris Maurer for more information.

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