Working Safely with Laboratory Fume Hoods Poster

Working Safely with Laboratory Fume Hoods

Working Safely with Laboratory Fume Hoods

  • Ensure the exhaust is operating before commencing work.
  • Use appropriate personal protective equipment.
  • Keep your head outside of the hood.
  • Work as far into the hood as possible with slow deliberate movements.
  • In case of potential explosion hazards, a blast shield should be utilized.
  • If a combination sash is installed, do not open the vertical and horizontal sashes simultaneously.
  • Do not remove airfoil or baffles. Doing so would result to airflow disturbance within the hood.
  • Do not use the hood as a storage area. Items on the work surface can affect airflow and interfere with containment.
  • Do not use the hood's sink for waste disposal.
  • Do not let chemicals evaporate in the hood as a means of disposal.
  • Do not leave uncapped bottles of chemicals or waste in the hood.
  • In case of performance failure or if airflow alarm is triggered, terminate fume hood usage, close the sash completely and cease work.
  • Do not use perchloric acid in a conventional fume hood. Explosive perchlorate salts could accumulate in the exhaust system.
  • Minimize external airflow disturbances including foot traffic.
  • Perform routine maintenance and certification.

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