Hot Mix Asphalt Plants General Air Quality Permit Coverage for Knife River Corporation - Mountain West Portable Plant at the Hasselstrom Pit, Winchester, ID on the Nez Perce Reservation
This page contains documents related to EPA's approval of Knife River Corporation - Mountain West request for coverage under the general air quality permit for new or modified minor source hot mix asphalt plants in Indian Country (HMA General Permit) for a portable plant at the Hasselstrom Pit, Winchester, Idaho on the Nez Perce Reservation.
The EPA approved Knife River Corporation - Mountain West's request for coverage on January 21, 2021. The approval became effective upon issuance.
For a copy of the general permit and related documents, visit Hot Mix Asphalt Plants (Final Rule).