Regulation & law · 11/09/2019Updated: 10/17/2026 · 1 min read
EPA Approves Montana's Lead Nonattainment Area Plan and Redesignates Area
Summary
The Environmental Protection Agency (EPA) has approved the State of Montana's Maintenance Plan for the East Helena Lead nonattainment area, which is also being redesignated to meet the 1978 National Ambient Air Quality Standard for lead, as required by the Clean Air Act.
Original source language: Federal Register — All DocumentsOpen original release →