MSHA Revises Safety Standards for Roof Bolts in Metal and Nonmetal Mines and Underground Coal Mines

Summary

The Mine Safety and Health Administration (MSHA) is updating its safety standards for roof and rock bolts at metal and nonmetal mines and underground coal mines, replacing the current reference to the American Society for Testing and Materials (ASTM) standard with a new one that reflects recent technological advancements in bolt design and support materials, aiming to enhance the level of protection provided by the existing standards.