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2. Hearing conservation program - Wikipedia

   en.wikipedia.org/wiki/Hearing_conservation_program

   Regarding occupational exposures to noise, a hearing conservation program is required by the Occupational Safety and Health Administration (OSHA) "whenever employee noise exposures equal or exceed an 8-hour time-weighted average sound level (TWA) of 85 decibels (dB) measured on the A scale (slow response) or, equivalently, a dose of fifty percent."

3. Permissible exposure limit - Wikipedia

   en.wikipedia.org/wiki/Permissible_exposure_limit

   The Occupational Safety and Health Administration (OSHA) in the United States established the allowed exposure limit for occupational noise at 90 dB and is based on an 8-hour time-weighted average for an 8-hour workday. [16] For worker's safety, OSHA mandates hearing conservation programs when noise levels are higher than 85 decibels. [17]

4. Hearing protection device - Wikipedia

   en.wikipedia.org/wiki/Hearing_protection_device

   A hearing protection device, also known as a HPD, is an ear protection device worn in or over the ears while exposed to hazardous noise and provide hearing protection to help prevent noise-induced hearing loss. HPDs reduce the level of the noise entering the ear. HPDs can also protect against other effects of noise exposure such as tinnitus and ...

5. Noise-Induced Hearing Loss: What It Is And How to Treat It - AOL

   www.aol.com/noise-induced-hearing-loss-treat...

   To keep the volume at a safe level, limit the volume to 60-70% of the maximum volume. A good rule of thumb is that you should still be able to hear a person talking at an arm’s length from you ...

6. Noise-induced hearing loss - Wikipedia

   en.wikipedia.org/wiki/Noise-induced_hearing_loss

   In the European Union, directive 2003/10/EC mandates that employers shall provide hearing protection at noise levels exceeding 80 dB(A), and that hearing protection is mandatory for noise levels exceeding 85 dB(A). [60] Both values are based on 8 hours per day, with a 3 dB exchange rate.

7. Occupational hearing loss - Wikipedia

   en.wikipedia.org/wiki/Occupational_hearing_loss

   For example, workers cannot be exposed to a sound level of 95 dB for more than 4 hours per day, or to sounds at 100 dB for more than 2 hours per day. Employers who expose workers to 85 dB or more for 8 hour shifts are required to provide hearing exams and protection, monitor noise levels, and provide training. [citation needed]