Regulation & law · 03/09/2014Updated: 10/17/2026 · 1 min read
EPA Redesignates Hayden Area in Arizona as Nonattainment for Lead Standards
Summary
The Environmental Protection Agency (EPA) has redesignated the Hayden area in southern Gila and eastern Pinal counties, Arizona, as a nonattainment area for the 2008 national ambient air quality standards for lead, due to recorded violations at a monitoring site near the towns of Hayden and Winkleman.
Original source language: Federal Register — All DocumentsOpen original release →