https://regulations.justia.com/regulations/fedreg/agencies/department-of-labor/mine-safety-and-health-administration/2012/12/28?registers=between Fri, 29 Nov 2024 06:39:38 -0800 Fri, 29 Nov 2024 06:39:38 -0800 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/2012/12/28?registers=between https://regulations.justia.com/regulations/fedreg/2012/12/28/2012-30963.html https://regulations.justia.com/regulations/fedreg/2012/12/28/2012-30963.html Fri, 28 Dec 2012 00:00:00 -0800 2012-30963 Rule http://www.gpo.gov/fdsys/pkg/FR-2012-12-28/pdf/2012-30963.pdf