Modify Selection
- Products and materials:
- Respirable dust
- Document types:
- Reports of Investigations
Home Links
Results 11 - 12 of 12
-
1/1/1974 - Reports of InvestigationsThe periphery of longwall panels in the Pocahontas No. 3 Coalbed is characterized by a zone of reduced permeability that inhibits the natural drainage of methane. However, natural drainage holes drilled during development have been found to reduce the g...
-
1/1/2012 - Guides and manuals, Reports of InvestigationsMined ore undergoes crushing, grinding, cleaning, drying, and product sizing as it is processed, generating harmful dust. This handbook reviews technologies for lowering dust levels below the permissible or recommended occupational exposure limits.
Home Links
Content source: National Institute for Occupational Safety and Health, Mining Program