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Results 91 - 100 of 122
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2/1/2002 - Conference papersOver the years, more than 20,000 mine seals have been erected in underground coal mines in the United States. The National Institute for Occupational Safety and Health is conducting research to develop design guidelines, to investigate noninvasive tech...
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7/1/2001 - Peer reviewed journal articlesA number of ignition incidents involving mining and farm equipment have illustrated the surprising danger of drilling, cutting, or otherwise penetrating sealed compartments or frames that are filled with metal scrap for ballast.
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6/1/2001 - Conference papersA project to evaluate the South African bagged stone dust explosion barrier was successfully completed at the NIOSH Lake Lynn Experimental Mine.
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6/1/2001 - Technology NewsDescription of a passive, inexpensive technique for monitoring explosion overpressures within sealed areas in underground coal mines.
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5/1/2001 - Technology NewsTechniques are identified to reduce the probability of gob gas explosions.
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1/1/2001 - Conference papersThis paper provides a brief overview of the ongoing study to evaluate the use of these chambers for pressure loading of full-scale seal designs using compressed air, water, or internal gas explosions.
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5/1/2000 - Peer reviewed journal articlesExplosion characteristics such as the minimum explosible concentration and the rock dust inerting requirements were measured for various combustible dusts. The explosion resistance characteristics of seals was also evaluated.
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5/1/2000 - Peer reviewed journal articlesProvides information on the explosibility and ignitability properties of dust clouds that can be used to improve safety in industries that generate, process, use, or transport combustible dusts.
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8/1/1999 - Reports of InvestigationsNIOSH cooperated with Tecrete Industries Pty. Ltd. and BHP Australia Coal to evaluate the strength characteristics and air leakage of four seal and two stopping designs for use in underground coal mines.
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6/1/1998 - Technology NewsDiscusses one type of explosion hazard that was discovered lurking inside sealed and filled plow frame sections when NIOSH investigated ignition incidents resulting from drilling into plow frames.
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Content source: National Institute for Occupational Safety and Health, Mining Program