Two case studies for fit testing hearing protector devices

Hearing protection devices (HPDs) are typically selected based upon the Noise Reduction Rating (NRR) and, until recently, were rarely tested for attenuation in real-world environments. The National Institute for Occupational Safety and Health has developed a fit-testing system (HPD Well-Fit™) that p...

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Veröffentlicht in:	The Journal of the Acoustical Society of America 2012-09, Vol.132 (3_Supplement), p.2013-2013
Hauptverfasser:	Murphy, William J., Themann, Christa L., Stephenson, Mark R., Byrne, David C.
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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