Labour market · 28/04/1997Updated: 10/17/2026 · 1 min read
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, incorporating new ASTM standards that reflect technological advancements in bolt design and support materials, aiming to enhance protection levels.