Results 61 - 70 of 82

• Technology News 495 - NIOSH Releases New Educational Video: Recovery of Farmington No. 9 - An Interview with Danny Kuhn
  3/1/2002 - Technology News
  During an interview, Mr Kuhn spent about two hours describing the Farmington disaster, including the workplace climate leading up to the explosion, the events that took place in the 10 days after the explosion, and the nearly 10-year effort to safely an...
• Use of Ground Penetrating Radar and Schmidt Hammer Tests to Determine the Structural Integrity of a Mine Seal
  2/1/2002 - Conference papers
  Over 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...
• Evaluation of the Bagged Stone Dust Barrier Effectiveness in a Bord and Pillar Mine
  6/1/2001 - Conference papers
  A project to evaluate the South African bagged stone dust explosion barrier was successfully completed at the NIOSH Lake Lynn Experimental Mine.
• Technology News 490 - An Inexpensive Device for Monitoring Explosions in Sealed Areas of Underground Mines
  6/1/2001 - Technology News
  Description of a passive, inexpensive technique for monitoring explosion overpressures within sealed areas in underground coal mines.
• Technology News 489 - Reducing the Danger of Explosions in Sealed Areas (Gobs) in Mines
  5/1/2001 - Technology News
  Techniques are identified to reduce the probability of gob gas explosions.
• Evaluation of New Methods and Facilities to Test Explosion-Resistant Seals
  1/1/2001 - Conference papers
  This 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.
• Experimental Mine and Laboratory Dust Explosion Research at NIOSH
  5/1/2000 - Peer reviewed journal articles
  Explosion 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.
• Evaluation of Reinforced Cementitious Seals
  8/1/1999 - Reports of Investigations
  NIOSH 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.
• NIOSH Hazard ID 3 - Carbon Monoxide Poisoning and Death After the Use of Explosives in a Sewer Construction Project
  3/1/1998 - Hazards IDs
  In a recent incident, three cases of CO poisoning in a confined space, including one fatality, were caused by CO migrating through soil after nearby use of explosives during a municipal sewer project. This incident illustrates that CO from subsurface de...
• The Calculated Risk of Experiencing a Lightning Caused Unplanned Detonation
  2/1/1998 - Conference papers
  This paper presents data and theorem to calculate the risk of experiencing undesirable lightning related events while blasting or while engaged in other lightning sensitive activities. The paper provides an overview of lightning hazards in blasting oper...