Escapeways and Refuges in Underground Metal and Nonmetal Mines. (Program Policy Letter (PPL)

3 organizations filed 3 public comments on Escapeways and Refuges in Underground Metal and Nonmetal Mines. (Program Policy Letter (PPL), at the MSHA. The comment window closed 2465d ago.

Abstract

“The Mine Safety and Health Administration (MSHA) announces the issuance of a Program Policy Letter (PPL) to provide mine operators guidance regarding the existing requirement to provide refuges to protect underground metal and nonmetal (MNM) miners in mines during the exploration or development of an ore body, and the location of such refuges. This guidance is not a regulation.”

Commenters (3)

• Industrial Minerals Association - North Americatrade assoc.

  1 filing · confidence 85%
• National Lime Associationtrade assoc.

  1 filing · confidence 97%
• National Mining Associationtrade assoc.

  1 filing · confidence 97%