MSHA - Code of Federal Regulations - 30 CFR 15.22
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DEPARTMENT OF LABOR
Mine Safety and Health Administration - MSHA
- Protecting Miners' Safety and Health Since 1978
30 CFR § 15.22
Tolerances for performance, wrapper and specific gravity.
The rate of detonation of the explosive shall be within ±15 percent of that specified in the approval.
The weight of wrapper per 100 grams of explosive shall be within ±2 grams of that specified in the approval.
The apparent specific gravity of the explosive shall be within ±7.5 percent of that specified in the approval.
Subpart C--Requirements for Approval of Sheathed Explosive Units or Other Explosive Units Designed to be Fired Outside the Confines of a Borehole
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