Regulation & law · 20/09/2019Updated: 10/17/2026 · 1 min read

EPA Redesignates Central New Hampshire Area for Meeting Sulfur Dioxide Standards

The Environmental Protection Agency (EPA) has approved the State of New Hampshire's maintenance plan for the Central New Hampshire nonattainment area, redesignating it from nonattainment to attainment for the 2010 1-hour primary sulfur dioxide national ambient air quality standard.