Federal Register Recent Federal Regulation Documents - Justia Regulation Tracker - Justia Regulations Tracker https://regulations.justia.com/regulations/fedreg/agencies/environmental-protection-agency/2016/09/06?limit=200&registers=between&mode=atom 2022-01-17T21:14:34-08:00 Justia Inc https://www.justia.com/ Justia Regulations Tracker https://regulations.justia.com/images/justiafedregulations.gif Copyright 2011 Justia Inc https://regulations.justia.com/regulations/fedreg/2016/09/06/2016-21338.html Rule - Air Quality Designations for the 2012 Primary Annual Fine Particle (PM2.5 2016-09-06T00:00:00-07:00 2016-09-06T00:00:00-07:00 2016-21338 Rule https://www.gpo.gov/fdsys/pkg/FR-2016-09-06/pdf/2016-21338.pdf