MSHA - Mine Safety and Health Administration Practice Test
MSHA Explosives and Blasting
Under MSHA regulations, who is authorized to handle and use explosives in underground mines?
Select your answer
A
Any miner with at least 5 years of experience
B
A certified blaster who holds a valid blaster's certificate
C
The mine foreman or shift supervisor only
D
Any employee who has completed a 4-hour safety course
Hint
