National Park Service November 28, 2023 – Federal Register Recent Federal Regulation Documents

We, the U.S. Fish and Wildlife Service, in cooperation with the National Park Service, and the U.S. Department of Agriculture's Forest Service (the agencies), publish this notice to announce the availability of a draft addendum to the Federal Land Managers' Air Quality Related Values Work Group's (FLAG's) Phase 1 Report, which the agencies last revised in 2010 (FLAG 2010 report). We are proposing an addendum to include a provision related to temporary emissions. We invite comments and information on the draft addendum from the public and local, State, Tribal, and Federal agencies.