Proposed Synthetic Minor NSR Permit: Thunder Butte Petroleum Services, Inc. - MHA Nation Topping Plant
This page contains access to the proposed synthetic minor NSR permit revision application, air quality modeling files and other supporting documentation for the Thunder Butte Petroleum Services, Inc. - MHA Nation Topping Plant, located on Indian country lands within the Fort Berthold Indian Reservation in North Dakota. The permit application was reviewed and determined incomplete on June 23, 2023. A revised application was submitted on December 22, 2023, and is under review.
Note: Due to file type restrictions, the modeling files are posted on this page, while the application and other supporting documentation may be accessed in regulations.gov in the docket for this permit action, Docket #EPA-R08-OAR-2023-0274.