Regulation & law · 25/10/2013Updated: 10/17/2026 · 1 min read

EPA Proposes Approval of Iowa's State Air Quality Plan Revisions

The Environmental Protection Agency (EPA) is proposing to approve revisions to the State of Iowa's air quality plan, which includes updates to existing state rules, exemptions for pipeline testing, and adoption of federal regulations for ozone, lead, and nitrogen dioxide standards.