Division Title

Primary Barrier Equipment

The Office of Research Services (ORS), Division of Occupational Health and Safety (DOHS), Technical Assistance Branch (TAB) provides various services regarding certification, maintenance, repair, and decontamination of specific primary barrier equipment:
  • Biological safety cabinets
  • Chemical fume hoods*
  • Local exhaust ventilation systems (LEVs)*
    • Down draft tables and sinks
    • Slot hoods
    • Canopy hoods
  • Vertical and horizontal clean benches
  • Cage change stations
  • Animal racks
  • Animal isolators
  • HVAC HEPA filter banks
 *The certification of these systems includes inspection, verification of air flow velocities and direction, and smoke capture. Maintenance for these units is done by the Office of Research FacilitiesExit arrow by contacting (301) 435-8000. 

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