On various dates, the U.S. Environmental Protection Agency (EPA) issued approvals to Fisher Sand & Gravel--New Mexico, Inc., PG&E, LLC, and Archer Western ("Permittees") under the Clean Air Act's Tribal Minor New Source Review (NSR) Program. The EPA approved these Requests for Coverage under the General Air Quality Permit for New or Modified Minor Source Stone Quarrying, Crushing, and Screening Facilities in Indian Country ("SQCS General Permit") for Grey Mesa Gravel Pit, Ehrenberg Quarry, and San Juan Lateral Water Treatment Plant Rock Crusher ("Sources"). These approvals authorized the construction and operation of these Sources under the Tribal Minor NSR Program.
Source
https://www.federalregister.gov/documents/2026/09/09/2026-18286/approval-of-clean-air-act-general-permit-requests-for-coverage-for-new-or-modified-minor-sourceCanonical document at the regulator. Always cite this URL — not the Vantage detail page — in compliance evidence.