30 CFR Part 56Public Domain
§ 56.6300 — Control of blasting operations
Subpart E — Explosives
(a)Only persons trained and experienced in the handling and use of explosive material shall direct blasting operations and related activities.
(b)Trainees and inexperienced persons shall work only in the immediate presence of persons trained and experienced in the handling and use of explosive material.
Public Domain: 30 CFR Part 56 (MSHA Safety and Health Standards — Surface Metal and Nonmetal Mines) is a U.S. government publication and is not subject to copyright. Text extracted from the official source ↗. Figures are served from the eCFR; if one does not load, use the link in its place.