https://regulations.justia.com/regulations/fedreg/agencies/mine-safety-and-health-administration/2011/09/02?registers=between Sun, 28 Apr 2024 04:07:39 -0700 Sun, 28 Apr 2024 04:07:39 -0700 Justia Regulations Tracker Copyright 2011 Justia Inc. https://regulations.justia.com/images/justiafedregulations.gif https://regulations.justia.com/regulations/fedreg/agencies/mine-safety-and-health-administration/2011/09/02?registers=between https://regulations.justia.com/regulations/fedreg/2011/09/02/2011-22489.html https://regulations.justia.com/regulations/fedreg/2011/09/02/2011-22489.html Fri, 02 Sep 2011 00:00:00 -0700 2011-22489 Notice http://www.gpo.gov/fdsys/pkg/FR-2011-09-02/pdf/2011-22489.pdf