EPA Extends Comment Period for Review of Secondary National Ambient Air Quality Standards for Oxides of Nitrogen and Oxides of Sulfur

Summary

The Office of Air Quality Planning and Standards at the Environmental Protection Agency (EPA) has released a draft report and supplementary materials for public comment on the review of secondary national ambient air quality standards for oxides of nitrogen and oxides of sulfur. The EPA is extending the comment period following a request from stakeholders, allowing more time for public input on the proposed standards.