Regulacje i polityka gospodarcza · 04/10/2002

EPA Approves Massachusetts Air Quality Plan, Redesignates Areas

The US Environmental Protection Agency (EPA) has approved a revised air quality implementation plan submitted by the state of Massachusetts, replacing the standard for particulate matter with a mean aerodynamic diameter of 10 microns or less (PM10) as the National Ambient Air Quality Standard for particulates, and redesignating several areas of the state from nonattainment to cannot be classified.