Results 11 - 19 of 19

• A Dual Sprocket Chain as a Noise Control for a Continuous Mining Machine
  9/1/2009 - Peer reviewed journal articles
  A dual sprocket conveyor chain for a CMM was examined both in the laboratory and in underground field studies to test the influence on lowering the sound power emissions of the chain conveyor of a CMM when compared to a standard chain.
• Field Evaluation of a Passive Diesel Particulate Filter at a Limestone Mine
  4/1/2009 - Peer reviewed journal articles
  In this study, the operators of a limestone mine retrofitted a loader used for clean-up operations with a passive DPF that was lightly catalyzed and used a fuel additive to initiate regeneration at low exhaust temperatures.
• Noise Source Identification on a Continuous Mining Machine
  7/1/2008 - Conference papers
  In the Hemi-anechoic chamber of the Pittsburgh Research Laboratory noise source identification on a continuous miner was performed using phased array measurements and a frequency domain beamforming algorithm with Diagonal Removal.
• Identification of Noise Sources on Longwall Panels Using Multiple Time-Synchronized Dosimeters
  12/1/2007 - Peer reviewed journal articles
  This paper describes research designed to develop guidelines and test procedures for identifying all noise sources that are major contributors to the underground noise exposure of longwall coal mining system workers.
• Closing the Door to Dust When Adding Drill Steels: Uni-directional Cab Filtration and Pressurization System Tested
  10/1/2007 - Peer reviewed journal articles
  During a recent NIOSH field evaluation of a newly designed filtration and pressurization system for an enclosed cab of a surface drill, it was determined that the drill operator's respirable-dust exposure was significantly increased during time periods ...
• Heavy Construction Equipment Noise Study Using Dosimetry and Time-Motion Studies
  7/1/2007 - Peer reviewed journal articles
  This research determined noise exposures of equipment operators while documenting worker task. The types of equipment studied included asphalt pavers, backhoes, bulldozers, compaction equipment, excavators, haul trucks, and wheeled loaders.
• Limestone Mining: Is It Noisy or Not?
  10/1/2006 - Peer reviewed journal articles
  This article describes noise research conducted in limestone mines, detailing the equipment likely to cause worker overexposures, the occupations experiencing overexposures, and the implications for worker noise exposure reduction.
• Heavy Construction Equipment Noise Study Using Dosimetry and Time-Motion Studies
  10/1/2005 - Conference papers
  The focus of this research was to determine the noise exposures of heavy construction equipment operators while documenting the workers’ tasks, (i.e. hauling, moving, and/or pushing construction material).
• Criteria for a Recommended Standard: Occupational Exposure to Respirable Coal Mine Dust: Occupational Exposure to Respirable Coal Mine Dust
  9/1/1995 - NIOSH/USBM numbered publications
  Information regarding adverse health effects resulting from exposure to respirable coal mine dust was reviewed as a basis for the development of new occupational safety and health standards. Recommendations are provided concerning respirable coal mine d...