The storage, handling and use of explosives at a noncoal underground mine shall be under the supervision and control of a person licensed as a blaster under Chapter 210 (relating to blasters' licenses).
25 Pa. Code § 207.217
The storage, handling and use of explosives at a noncoal underground mine shall be under the supervision and control of a person licensed as a blaster under Chapter 210 (relating to blasters' licenses).
25 Pa. Code § 207.217