Code of Federal Regulations, 2010 CFR
2010-07-01
... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Use of nonpermissible explosives and nonpermissible shot-firing units; approval by Health and Safety District Manager. 77.1909-1 Section 77.1909-1...; approval by Health and Safety District Manager. Where the Coal Mine Health and Safety District Manager has...
Federal Register 2010, 2011, 2012, 2013, 2014
2013-11-08
... a permit to use nonpermissible explosives and/or shot-firing units in the blasting of rock while... appropriate automated, electronic, mechanical, or other technological collection techniques or other forms of...
Federal Register 2010, 2011, 2012, 2013, 2014
2013-07-03
... DEPARTMENT OF LABOR Mine Safety and Health Administration Proposed Information Collection..., Explosives, and Shot-Firing Units; Posting Notices of Misfires AGENCY: Mine Safety and Health Administration..., and the impact of collection requirements on respondents can be properly assessed. Currently, the Mine...