Results 1 - 10 of 40

• A New Leak Test Method for Enclosed Cab Filtration Systems
  5/1/2012 - Reports of Investigations
  A new test method has been developed by the National Institute for Occupational Safety and Health (NIOSH) and Clean Air Filter (CAF) for quantifying the outside air leakage into environmental cab filtration systems.
• Ignition of Methane-Air Mixtures by Laser Heated Small Particles
  5/1/2000 - Peer reviewed journal articles
  Optical technologies have progressed rapidly in the past 15 years. NIOSH is conducting a study to help provide a scientific basis for developing appropriate safety guidelines for optical equipment in underground coal mines.
• Optically Powered Remote Gas Monitor
  1/1/1995 - Reports of Investigations
  Many mines rely on toxic gas sensors to help maintain a safe and healthy work environment. This report describes a prototype monitoring system developed by the USBM that uses light to power and communicate with remote toxic gas sensors.
• Remote Fiber-Optic Methane Monitor
  1/1/1992 - Reports of Investigations
  Reports on the U.S. Bureau of Mines development and testing of an instrinsically safe methane monitor based on differential absorption of infrared light.
• Digital Technologies Improve Mine Safety and Health
  2/17/2023 - Contracts and cooperative agreements
  A capacity-building contract with the Colorado School of Mines to research digital technologies to improve mine safety and health.
• Atmospheric Monitoring
  9/1/2020 - Research areas
  Monitoring Ventilation Parameters and Accumulations of Combustible Gas Topic Page
• Evaluation of Fiber Optic Methane Sensor Using a Smoke Chamber
  11/1/2019 - Peer reviewed journal articles
  A report detailing the evaluation of a prototype fiber optic methane monitor when exposed to smoke.
• Methane Detection and Monitoring
  1/8/2019 - Research areas
  Methane Detection and Monitoring Topic Page
• A Survey of Atmospheric Monitoring Systems in U.S. Underground Coal Mines
  4/1/2018 - Peer reviewed journal articles
  Results from a survey conducted to determine the number of atmospheric monitoring systems (AMS) used in underground coal mines in the United States, as well as an examination of how regulation changes have impacted CO sensor use.
• Continuous Monitoring of Airflow and Methane in Coal Mines
  10/22/2016 - Research projects
  A project to develop guidelines to assess ventilation effectiveness in underground coal mines using improved sampling protocols and defining optimal instrument locations for continuous-reading airflow and methane monitors.