Active list of permissible explosives and blasting devices approved before December 31, 1972. (Supersedes IC 8493).
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, IC 8597, 1973 Jan; :1-10
The current Bureau of Mines active list of permissible explosives includes 71 brands. Eleven are gelatinous, 56 are the granular type, and four are water-gel explosives, an entirely new type of ammonium nitrate-based explosive for use in coal mines. The list of permissible blasting comprises five cardox models.
IH; Information Circular
NTIS Accession No.
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, IC 8597