https://regulations.justia.com/regulations/fedreg/agencies/department-of-labor/mine-safety-and-health-administration/2015/02/10?registers=between Tue, 21 May 2024 18:55:14 -0700 Tue, 21 May 2024 18:55:14 -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/2015/02/10?registers=between https://regulations.justia.com/regulations/fedreg/2015/02/10/2015-02399.html https://regulations.justia.com/regulations/fedreg/2015/02/10/2015-02399.html Tue, 10 Feb 2015 00:00:00 -0800 2015-02399 Proposed Rule http://www.gpo.gov/fdsys/pkg/FR-2015-02-10/pdf/2015-02399.pdf