85dBA
(in the US) See the below related link:
The hearing protection standard for workplace environments is set by the Occupational Safety and Health Administration (OSHA) in the United States. It requires employers to provide hearing protection to workers exposed to noise levels of 85 decibels or higher over an 8-hour workday.
Decibels
The unit for noise is decibels
It depends on what organism is hearing the noise. For us humans, that would be 0 decibels.
A noise figure is a scale of decibels.
decibels
Yes it is.
A noise level that measures 65 decibels is for a normal conversation on the noise scale. On this scale, 0 decibel is the threshold of hearing and 140 decibels is a jet plane at a distance of about 50 meters away.
85 decibels.
yes, and it is measured in decibels
"Decibels"