Regulation & law · 20/09/2001Updated: 10/17/2026 · 1 min read
EPA Approves Oregon's State Implementation Plan for Air Quality
The Environmental Protection Agency (EPA) has proposed to approve Oregon's revised State Implementation Plan, which includes emissions inventory and maintenance plans for Klamath Falls, and redesignates the area for carbon monoxide attainment, following a submission on November 20, 2000.