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Results 481 - 490 of 646
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2/1/2001 - Conference papersPast studies with blowing face ventilation systems have shown that using a machine-mounted scrubber and water sprays can reduced methane levels at the face.
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2/1/2001 - Conference papersNIOSH has developed an active proximity warning system called HASARD (Hazardous Area Signaling and Ranging Device) for warning workers as they approach known dangerous areas around heavy mining equipment and other dangerous work zones.
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2/1/2001 - Conference papersOne recurring mine safety problem - a dozer falling into a void over a drawpoint on a coal surge pile - was analyzed using fault tree analysis software on a personal computer. The analysis identified basic and intermediate events that led to the burial ...
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2/1/2001 - Conference papersLaboratory test to simulate dust liberation during shield movement were conducted.
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2/1/2001 - Conference papersA discussion of existing minerals education activities and tips for developing successful programs.
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2/1/2001 - Conference papersA description of the development process and results of safety training projects.
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2/1/2001 - Conference papersA compilation of the primary causes of flyrock in surface mining blasting operations and reasons a safe blast area was not secured.
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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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1/1/2001 - Conference papersStudy of toxic fumes produced by the detonation of ANFO/emulsion blends. An extension of previous ANFO fumes production research that includes an emulsion blasting agent.
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1/1/2001 - Conference papersThis paper presents the results of a side-by-side comparison of the respirable dust dosimeter and gravimetric respirable dust sampler in a controlled experimental environent in the laboratory and in underground coal mines under normal operating conditions.
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Content source: National Institute for Occupational Safety and Health, Mining Program