https://regulations.justia.com/regulations/fedreg/agencies/department-of-labor/mine-safety-and-health-administration/2012/09/17?registers=between Sun, 05 May 2024 15:07:11 -0700 Sun, 05 May 2024 15:07:11 -0700 Justia Regulations Tracker Copyright 2011 Justia Inc. https://regulations.justia.com/images/justiafedregulations.gif https://regulations.justia.com/regulations/fedreg/agencies/department-of-labor/mine-safety-and-health-administration/2012/09/17?registers=between https://regulations.justia.com/regulations/fedreg/2012/09/17/2012-22805.html https://regulations.justia.com/regulations/fedreg/2012/09/17/2012-22805.html Mon, 17 Sep 2012 00:00:00 -0700 2012-22805 Notice http://www.gpo.gov/fdsys/pkg/FR-2012-09-17/pdf/2012-22805.pdf