https://regulations.justia.com/regulations/fedreg/agencies/department-of-labor/mine-safety-and-health-administration/2017/10/05?registers=between Wed, 08 Jan 2025 10:02:11 -0800 Wed, 08 Jan 2025 10:02:11 -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/2017/10/05?registers=between https://regulations.justia.com/regulations/fedreg/2017/10/05/2017-21594.html https://regulations.justia.com/regulations/fedreg/2017/10/05/2017-21594.html Thu, 05 Oct 2017 00:00:00 -0700 2017-21594 Rule https://www.gpo.gov/fdsys/pkg/FR-2017-10-05/pdf/2017-21594.pdf