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2. Occupational noise - Wikipedia

   en.wikipedia.org/wiki/Occupational_noise

   Occupational noise is the amount of acoustic energy received by an employee's auditory system when they are working in the industry. Occupational noise, or industrial noise, is often a term used in occupational safety and health, as sustained exposure can cause permanent hearing damage.

3. Permissible exposure limit - Wikipedia

   en.wikipedia.org/wiki/Permissible_exposure_limit

   OSHA's PEL for noise exposure is 90 decibels (dBA) for an 8-hour TWA. Levels of 90-140 dBA are included in the noise dose. [4] PEL can also be expressed as 100 percent “dose” for noise exposure. When the noise exposure increases by 5 dB, the exposure time is cut in half. [5] According to OSHA, a 95dBA TWA would be a 200 percent dose. [6]

4. Exposure action value - Wikipedia

   en.wikipedia.org/wiki/Exposure_action_value

   An Exposure Action Value (EAV) or Action Value (AV) is a limit set on occupational exposure to noise where, when those values are exceeded, employers must take steps to monitor the exposure levels. These levels are measured in decibels. The American Occupational Safety and Health Administration (OSHA) set the EAV to 85 dB

5. Occupational hearing loss - Wikipedia

   en.wikipedia.org/wiki/Occupational_hearing_loss

   OHL caused by excessive exposure to noise is also known as noise-induced hearing loss (NIHL). Noise exposure combined with ototoxic chemical exposure can results in more damage to hearing. OHL caused by physical trauma may include foreign bodies in the ear, vibration, barotrauma, or head injury. OHL, as well as hearing loss in general, can ...

6. Construction site safety - Wikipedia

   en.wikipedia.org/wiki/Construction_site_safety

   Each construction site should have a construction site manager. This is an occupational health and safety specialist who designs and implements safety regulations to minimize injuries and accidents. [76] He or she also is in charge of conducting daily safety audits and inspections to ensure compliance with government regulations. [76]

7. Threshold limit value - Wikipedia

   en.wikipedia.org/wiki/Threshold_limit_value

   In 1970, the US Occupational Health and Safety Act was signed into law, [6] which created the Occupational Safety and Health Administration (OSHA) and the National Institute for Occupational Safety and Health. Shortly after this law passed, OSHA implemented its first Permissible Exposure Limits, which were adopted directly from the 1968 ACGIH ...