Mine Safety and Health Administration (MSHA) - Code of Federal Regulations - 30 CFR 15.22
skip navigational linksDepartment of Labor Seal U.S. Department of Labor
Mine Safety and Health Administration
Protecting Miners' Safety and Health Since 1978		 Photos representing the mining workforce
www.msha.gov
[skip navigational links] Search MSHA Advanced Options | A to Z | Help
Find It! in DOL | Compliance Assistance |   
MSHA - Title 30 CFR
30 CFR § 15.22

Tolerances for performance, wrapper and specific gravity.

(a) The rate of detonation of the explosive shall be within ±15 percent of that specified in the approval.

(b) The weight of wrapper per 100 grams of explosive shall be within ±2 grams of that specified in the approval.

(c) 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




Back to Top   Back to Top www.msha.gov www.dol.gov
Mine Safety and Health Administration (MSHA)
1100 Wilson Boulevard, 21st Floor
Arlington, VA 22209-3939		 Phone:    (202) 693-9400
Fax-on-demand: (202) 693-9401
Technical (web) questions: Webmaster
On-line Filing Help: MSHAhelpdesk@dol.gov
or call (877) 778-6055
Contact Us