Particulate Matter Resources

About Particulate Matter Regulation

Particulate Matter, PM 10 and PM 2.5, is one of the components of smoke of greatest concern from a regulatory standypoint. The current The National Ambient Air Quality Standard for PM was finalized in 2012 and available in the Federal Register: https://www.gpo.gov/fdsys/pkg/FR-2013-01-15/pdf/2012-30946.pdf