Regulation & law · 14/12/2011Updated: 10/17/2026 · 1 min read
EPA Proposes Approval of Air Quality Implementation Plans for Massachusetts and New Hampshire
Summary
The Environmental Protection Agency (EPA) is proposing to determine that the Boston-Lawrence-Worcester area in Massachusetts and New Hampshire met the deadline to attain the one-hour ozone standard, based on air quality monitoring data from 2005-2007.