Hot Mix Asphalt Plants General Air Quality Permit coverage for Knife River Corporation Mountain West Portable Plant at Hasselstrom Pit 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 in Winchester, Idaho, on the Nez Perce Reservation.
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).
Permit number: R10TNSR02400
Approval of request for coverage issued: January 21, 2021
Approval effective: January 21, 2021
Approval expires: N/A