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InstituteSafety and Health Programs and TrainingIn Depth Sub Topics (Level 4)Training & DevelopmentSafety and Health Programs and TrainingUSAEnglishAnalysisFocus AreaHuman Resources

Barriers or local ventilation

['Safety and Health Programs and Training']
Barriers or local ventilation
  • When the potential hazard cannot be removed, replaced, or enclosed, the next best approach is a barrier to exposure.
  • This engineered control should only be used in conjunction with other types of controls.

When the potential hazard cannot be removed, replaced, or enclosed, the next best approach is a barrier to exposure or, in the case of air contaminants, local exhaust ventilation to remove the contaminant from the workplace. This engineered control involves potential exposure to the worker even in normal operations. Consequently, it should be used only in conjunction with other types of controls, such as safe work practices designed specifically for the site condition and/or personal protective equipment (PPE). Examples include:

  • Ventilation hoods in laboratory work,
  • Machine guarding, including electronic barriers and isolation of a process in an area away from workers; and
  • Baffles used as noise-absorbing barriers nuclear radiation or heat shields.
:
safety-and-health-programs-and-training
safety-and-health-programs-and-training
FOUNDATIONAL LEARNING
Barriers or local ventilation
  • When the potential hazard cannot be removed, replaced, or enclosed, the next best approach is a barrier to exposure.
  • This engineered control should only be used in conjunction with other types of controls.

When the potential hazard cannot be removed, replaced, or enclosed, the next best approach is a barrier to exposure or, in the case of air contaminants, local exhaust ventilation to remove the contaminant from the workplace. This engineered control involves potential exposure to the worker even in normal operations. Consequently, it should be used only in conjunction with other types of controls, such as safe work practices designed specifically for the site condition and/or personal protective equipment (PPE). Examples include:

  • Ventilation hoods in laboratory work,
  • Machine guarding, including electronic barriers and isolation of a process in an area away from workers; and
  • Baffles used as noise-absorbing barriers nuclear radiation or heat shields.

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