https://regulations.justia.com/regulations/fedreg/agencies/department-of-labor/mine-safety-and-health-administration/2012/04/02?registers=between Thu, 02 May 2024 15:32:16 -0700 Thu, 02 May 2024 15:32:16 -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/2012/04/02?registers=between https://regulations.justia.com/regulations/fedreg/2012/04/02/2012-7789.html https://regulations.justia.com/regulations/fedreg/2012/04/02/2012-7789.html Mon, 02 Apr 2012 00:00:00 -0700 2012-7789 Notice http://www.gpo.gov/fdsys/pkg/FR-2012-04-02/pdf/2012-7789.pdf