https://regulations.justia.com/regulations/fedreg/agencies/department-of-labor/mine-safety-and-health-administration/2020/01/15?registers=between Sun, 19 May 2024 11:49:44 -0700 Sun, 19 May 2024 11:49:44 -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/2020/01/15?registers=between https://regulations.justia.com/regulations/fedreg/2020/01/15/2020-00486.html https://regulations.justia.com/regulations/fedreg/2020/01/15/2020-00486.html Wed, 15 Jan 2020 00:00:00 -0800 2020-00486 Rule https://www.govinfo.gov/content/pkg/FR-2020-01-15/pdf/2020-00486.pdf