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Mining Publication: Secondary Explosion Hazards During Blasting in Oil Shale and Sulfide Ore Mines
Keywords: Blasting Ignitions Nonmetal mining Oil and gas extraction Permissible explosives
Original creation date: November 1995
Authors: ES Weiss, KL Cashdollar, MJ Sapko, EM Bazala
Report of Investigations - November 1995
Download PDF Document (2.85 MB)
NIOSHTIC2 Number: 20000772
Pittsburgh, PA: U.S. Department of Energy, RI 9632. NTIS stock number: PB97-127658, 1995 Nov; :1-50
The data presented in this report are the results, to date, of an ongoing research program on the explosion hazards associated with blasting operations in noncoal mines. Tests conducted at the cannon gallery at Lake Lynn Laboratory near Fairchance, Fayette County, PA, provided a means of evaluating the relative incendivity characteristics of new and existing explosive products. Three explosives-- a pumpable emulsion-ANFO blend, a packaged water gel, and an emulsion blasting agent-exhibited low-incendive qualities compared with other more highly incendive products such as ANFO and some dynamites. Based on the data collected during numerous full-scale blasts in oil shale and sulfide ore mines, the low-incendive products significantly reduced or eliminated the ignition hazards while at the same time providing effective fragmentation of the rock. Based on the positive results from the gallery and field testing, low-incendive explosives, coupled with good blasting procedures, show promise in reducing dust and/or gas ignitions associated with blasting operations in oil shale and sulfide ore mining applications.
Image of publication Secondary Explosion Hazards During Blasting in Oil Shale and Sulfide Ore MinesReport of Investigations - November 1995
Download PDF Document (2.85 MB)
NIOSHTIC2 Number: 20000772
Pittsburgh, PA: U.S. Department of Energy, RI 9632. NTIS stock number: PB97-127658, 1995 Nov; :1-50
See Also
A Century of Bureau of Mines/NIOSH Explosives Research
A Gas Pressure-Based Drift Round Blast Design Methodology
Ignition of Methane-Air Mixtures by Laser Heated Small Particles
Low Temperature Limits for Mixing Recycled Oil, Diesel Fuel, and Ammonium Nitrate to Make ANFO-Type Blasting Agents
A New Perimeter Control Blast Design Concept for Underground Metal/nonmetal Drifting Applications
Short-Delay Blasting in Underground Coal Mines
Technology News 491 - NIOSH Releases Two New Safety Training Videos
Technology News 501 - Measuring Very Low Air Velocities in Underground Metal/Nonmetal Mines
Technology News 522 - Blast Area Security: Flyrock Safety
Toolbox Training on Flyrock Awareness
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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