MSHA - Code of Federal Regulations - 30 CFR 15.32
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DEPARTMENT OF LABOR
Mine Safety and Health Administration - MSHA
- Protecting Miners' Safety and Health Since 1978
30 CFR § 15.32
Tolerances for weight of explosive, sheath, wrapper, and specific gravity.
The weight of the explosive, the sheath, and the outer covering shall each be within ±7.5 percent of that specified in the approval.
The ratio of the weight of the sheath to that of the explosive shall be within ±7.5 percent of that specified in the approval.
The specific gravity of the explosive and sheath shall be within ±7.5 percent of that specified in the approval.
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