https://regulations.justia.com/regulations/fedreg/agencies/department-of-labor/mine-safety-and-health-administration/2022/01/14?registers=between Sun, 19 May 2024 00:38:21 -0700 Sun, 19 May 2024 00:38:21 -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/2022/01/14?registers=between https://regulations.justia.com/regulations/fedreg/2022/01/14/2022-00144.html https://regulations.justia.com/regulations/fedreg/2022/01/14/2022-00144.html Fri, 14 Jan 2022 00:00:00 -0800 2022-00144 Rule https://www.govinfo.gov/content/pkg/FR-2022-01-14/pdf/2022-00144.pdf