On January 25, 2018, Bill Wehrum, the new Assistant Administrator of US EPA’s Office of Air and Radiation, issued a memorandum to all Regional Air Division Directors rescinding US EPA’s historic “Once In Always In” (OIAI) policy for major sources under US EPA’s National Emission Standards for Hazardous Air Pollutants (NESHAP) program. Under the “Once In Always In” (OIAI) … Continue Reading
On March 13, 2017, D.C. District Court Judge Tanya S. Chutkan granted summary judgment to an environmental advocacy group and ordered US EPA to update its National Emission Standards for Hazardous Air Pollutant (NESHAP) rulemakings for 20 listed major source categories in three years. The soon-to-be updated major source categories will affect several industries, including: … Continue Reading
On August 23, 2013, environmental groups represented by Earthjustice alerted USEPA in a 60 day notice letter that the groups intend to sue the Agency for its alleged failure to comply with Clean Air Act (CAA) §112(d) and §112(f) by failing to revise maximum achievable control technology (MACT) standards for 46 source categories within eight … Continue Reading
