U.S. Code of Federal Regulations
Regulations most recently checked for updates: Sep 17, 2025
Each blasting unit bearing an MSHA approval marking shall be accompanied by a description of what is necessary to maintain the blasting unit as approved.
Regulations most recently checked for updates: Sep 17, 2025
Each blasting unit bearing an MSHA approval marking shall be accompanied by a description of what is necessary to maintain the blasting unit as approved.