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title 30
Mineral Resources
chapter I
CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
part 15
PART 15—REQUIREMENTS FOR APPROVAL OF EXPLOSIVES AND SHEATHED EXPLOSIVE UNITS
subpart B
Subpart B—Requirements for Approval of Explosives
Subpart B. Subpart B—Requirements for Approval of Explosives
§ 15.20 - Technical requirements.
§ 15.21 - Tolerances for ingredients.
§ 15.22 - Tolerances for performance, wrapper, and specific gravity.
