The National Institute for Occupational Safety and Health (NIOSH) estimates that around 22 million Americans a year are exposed to hazardous noise levels in their respective workplaces*. Additionally, over 30 million US workers a year are exposed to chemicals, some of which have ototoxic properties and can damage hearing**. Hearing loss in the workplace, known as occupational hearing loss, is a very real threat to workers’ hearing health. Among those most at risk for occupational hearing loss are individuals working in the mining, construction, airline ground maintenance, military, and manufacturing sectors.
Occupational hearing loss comes in many types, including sensorineural, conductive, and mixed hearing loss. Any type of hearing loss that occurs as a result of your workplace experience can be categorized as occupational hearing loss. So when does loud become too loud, and what can be done to combat hearing loss in the workplace?
In the US the Occupational Safety and Health Administration requires employers to implement a hearing conservation program if their workers are exposed to noise levels that average 85 decibels (dB) over the course of 8 hours.† To put that noise level in context, a whisper measures at around 30 dB while a live music event usually ranges between 100 and 115 dB. While 85 dBs may not seem like a dangerous level of noise at first, it’s important to factor in time when you measure potential hearing damage. The longer the amount of time you are exposed to loud noises, the higher the threat to your hearing health.
Hearing conservation programs in the workplace are designed to eliminate, as much as is possible, the threat of hearing loss in the workplace, both due to noise levels and exposure to ototoxic chemicals. These programs rely on the hierarchy of controls developed by NIOSH. The hierarchy of controls is a systematic approach to limiting workplace hazards that gives priority to the most effective measures.
Especially in the case of noise induced hearing loss, occupational hearing loss can occur slowly over time. It’s very possible that workers who are exposed to excessive noise or ototoxic chemicals may not even realize that their hearing is being damaged because it can occur so slowly. If you think you may have occupational hearing loss, book an appointment at Miracle-Ear today for your free hearing assessment.
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