Regulation & law · 17/11/2017

EPA Withdraws Approval of Air Quality Plan for Maryland Due to Adverse Comment

The Environmental Protection Agency (EPA) has withdrawn its approval of the 2011 base year inventory for the Maryland portion of the Philadelphia-Wilmington-Atlantic City nonattainment area for the 2008 8-hour ozone national ambient air quality standard (NAAQS) following receipt of an adverse comment, as stated in the September 25, 2017 direct final rule.