Regulacje i polityka gospodarcza · 04/10/2012
EPA Approves Virginia's Air Quality Plan for Washington DC-MD-VA Nonattainment Area
The US Environmental Protection Agency (EPA) has approved the fine particulate matter (PM 2.5) 2002 base year emissions inventory portion of Virginia's State Implementation Plan (SIP) revision, submitted on April 4, 2008, to meet nonattainment requirements for the Washington DC-MD-VA nonattainment area's 1997 PM 2.5 National Ambient Air Quality Standard (NAAQS).