August 19, 2014 -  In response to recommendations from state and tribal representatives, EPA sent letters outlining the areas it’s intended designations for the annual fine particle air quality standards set in 2012.

• Notice of Availability and Public Comment Period (PDF)(4 pp, 250 K, About PDF) - Federal Register - August 29, 2014

• Fact Sheet (PDF)(4 pp, 100 K)
• Tables showing comparison of State/Tribal recommendations and EPA responses - Nonattainment areas (PDF)(1 pg, 82 K)
• Tables showing comparison of State/Tribal recommendations and EPA responses - Unclassifiable areas (PDF)(1 pg, 83 K)
• Tables showing comparison of State/Tribal recommendations and EPA responses - Deferred areas (PDF)(1 pg, 77 K)