OAR Policy and Guidance Metarecord
National Air Quality Standards for Fine Particles: Guidance for Designating Areas: Fact Sheet
Guidance for Designating Areas for Implementation of the National Ambient Air Quality Standards for Fine Particles; Chemical Speciation of PM2.5 in Urban and Rural Areas
|Signed by: unsigned
Air Quality Strategies and Standards Division (OAQPS) / Lydia Wegman
EPA Document Number:
The Environmental Protection Agency (EPA) issued guidance on April 1, 2003 for states and tribes to use in identifying which areas meet EPA's national air quality standards for fine particles, and which areas do not meet those standards. This file is a fact sheet summarizing the guidance.