Regulation & law · 26/09/2012Updated: 10/17/2026 · 1 min read

EPA Proposes Approval of Maryland's Air Quality Plan for Washington County

The Environmental Protection Agency (EPA) is proposing to approve the fine particulate matter (PM 2.5) 2002 base year emissions inventory for Washington County, Maryland, as part of the state's State Implementation Plan (SIP) revision submitted on June 6, 2008.