This video was produced in 2019 to recognize the 100th anniversary of the first respirator approval by the Bureau of Mines. The National Institute for Occupational Safety and Health is now the federal body responsible for the testing and approval of respirators for occupational use. The purpose of this video is to demonstrate the evolution and importance of respiratory protection from the point of view of NIOSH workers within the NIOSH National Personal Protective Technology Laboratory (NPPTL), who are deeply invested in the work that they do.
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