Federal Register Recent Federal Regulation Documents - Justia Regulation Tracker - Justia Regulations Tracker https://regulations.justia.com/regulations/fedreg/agencies/mine-safety-and-health-administration/2012/06/04?limit=200&registers=between&mode=atom 2024-05-22T00:26:06-07:00 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/2012/06/04/2012-13400.html Notice - Proposed Extension of Existing Information Collection; Health Standards for Diesel Particulate Matter Exposure (Underground Metal and Nonmetal Miners) 2012-06-04T00:00:00-07:00 2012-06-04T00:00:00-07:00 2012-13400 Notice http://www.gpo.gov/fdsys/pkg/FR-2012-06-04/pdf/2012-13400.pdf