The plan applies to all existing commercial and industrial solid waste incineration units and air curtain incinerators under the jurisdiction of the North Dakota Department of Environmental Quality for which construction commenced on or before June 4, 2010, or for which modification or reconstruction commenced no later than August 7, 2013, and are subject to the requirements of 40 CFR part 60, subpart DDDD.
[86 FR 35408, July 6, 2021]