Regulation & law · 27/09/2011Updated: 10/17/2026 · 1 min read
EPA Approves Indiana's Plan to Reduce Air Pollution in Indianapolis Area
Summary
The Environmental Protection Agency (EPA) has approved Indiana's request to redesignate the Indianapolis area as meeting the 1997 annual standard for fine particulate matter, a major air quality improvement for the region.
Original source language: Federal Register — All DocumentsOpen original release →