Energy & environment · 20/07/1994Updated: 10/16/2026 · 1 min read
Redesignation of the Yavapai-Apache Reservation to a PSD Class I Area; State of Arizona
Summary
The Yavapai-Apache Tribal Council has requested to redesignate the Yavapai-Apache Reservation in Arizona to Class I under EPA's air quality regulations, which will lower allowable particulate matter, sulfur dioxide, and nitrogen dioxide concentrations.
Original source language: Federal Register — Environmental Protection AgencyOpen original release →