Regulation & law · 27/09/2011Updated: 10/17/2026 · 1 min read
EPA Extends Comment Period for NOx and SO2 Air Quality Standards
Summary
The Environmental Protection Agency (EPA) is extending the public comment period for the Secondary National Ambient Air Quality Standards for Oxides of Nitrogen and Sulfur until October 10, 2011
Original source language: Federal Register — All DocumentsOpen original release →