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- Research methods and measures:
- Respirable dust level
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Results 31 - 40 of 45
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12/1/2004 - Peer reviewed journal articlesA laboratory study assessed the impacts of water spray pressure, face ventilation quantity, and line brattice setback distance on respirable dust and SF6 tracer gas concentrations around a continuous mining machine using a sprayfan or directional spray ...
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6/1/2002 - Peer reviewed journal articlesThe amount of airborne respirable dust generated from breakage of different coals varies widely. This research was conducted to identify the facets of airborne respirable dust liberation from the coal product.
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1/1/2002 - Peer reviewed journal articlesFull-scale laboratory tests provide information to longwall operators that would assist them in selecting control parameters to reduce dust levels for mine-specific conditions.
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6/1/2001 - Conference papersA series of controlled laboratory tests were conducted in a test stand simulating shield dust entrainment to evaluate changes in airborne respirable dust levels at different air velocities.
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2/1/2001 - Conference papersLaboratory test to simulate dust liberation during shield movement were conducted.
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1/1/2001 - Conference papersThe compliance sampling method for coal mine dust in the United States has not changed appreciably in the last 30 years. A call for more frequent sampling with immediately available results is leading to new instruments that may supplement or replace th...
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1/1/2000 - Peer reviewed journal articlesAssessment of exposure to occupational dusts is a first step in reducing exposures to harmful dust concentrations. A new type of respirable dust sampler was developed and compared side-by-side to personal gravimetric samplers in the laboratory.
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10/1/1998 - Reports of InvestigationsLaboratory testing and results are presented where five bituminous coals were prepared and processed through a double roll crusher located in a low-velocity wind tunnel. The results indicate that a combination of several factors are associated with air...
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1/1/1996 - Peer reviewed journal articlesIn response to the Mine Safety and Health Administration's request, the U.S. Bureau of Mines investigated several sensor technologies for continuously monitoring respirable coal mine dust. One of these technologies is the tapered element, oscillating m...
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1/1/1992 - Reports of InvestigationsDust surveys were conducted to determine factors affecting belt entry dust levels and how using belt air to ventilate work areas affected dust exposures.
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Content source: National Institute for Occupational Safety and Health, Mining Program