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Ventilation is essentially the intentional introduction of outside air into a space. That space could be as large as an entire building or as small as a sewer hole. In large spaces, ventilation is necessary to keep workers comfortable and healthy; in small confined spaces, ventilation may be necessary to keep them alive. Ventilation is one of the most important engineering controls for improving or maintaining the quality of the air in an enclosed space. 

Mechanical ventilation uses fans to move air into a space. Remove the fan and you are left with natural ventilation. Don’t confuse ventilation with air that is simply moved around indoors – with a ceiling fan, for example. Access to outside air is essential for ventilation.

There are ventilation requirements in Oregon OSHA’s general industry, construction, and agriculture rules.

  • Checklists
  • Fact sheets
    • Craft distilleries
      Describes the hazards involved in craft distilling, hazard controls, and safe practices for distilling.
      English  11/25/2014
  • References
    • Rules with requirements
      We get many calls and emails from employers asking the same question. It begins: “Which of your rules have requirements for…” You can finish the sentence with words like “recordkeeping,” “employee training,” and “written documents.” To answer those questions, we’ve organized these rules requirements into a filterable, sortable, searchable table.
      English  05/10/2019

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