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Speaking a Little Louder on Hearing Conservation

Julie Copeland

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I was touring a printing plant not long ago and had a little trouble hearing our host over theSound advice on hearing protection from Arbill. sound of the large presses. I noticed that not all of the workers wore hearing protection… and I couldn’t help but cringe as two unprotected workers leaned in with faces almost touching to hear one another over repetitious blaring.

Sound can have a lasting and profound impact on our hearing and the way we work. It’s reported that 30 million people in the United States are exposed to hazardous noise where they work. 

Noise exposure is a real concern with a big impact on the bottom line. Thousands of workers suffer every year from preventable hearing loss due to high workplace noise levels. Since 2004, the Bureau of Labor Statistics (BLS) has reported that nearly 125,000 workers have suffered significant, permanent hearing loss. In 2009 alone, BLS reported more than 21,000 hearing loss cases.  

Permanent hearing loss                                                                              

Exposure to high levels of noise can cause permanent hearing loss. This type of prolonged exposure can’t be corrected by surgery or hearing aids. When the damage is done… it’s too late.

Short term exposure to loud noise can also cause a temporary change in hearing or a ringing in the ears (tinnitus). Short-term hearing problems may go away in time after leaving the noisy area. However, repeated exposures to loud noise can lead to permanent tinnitus and/or hearing loss.

Other problems brought on by loud noise…

  • physical and psychological stress

  • reduced productivity

  • communication and concentration interference

  • increased possibility of workplace accidents and injuries because of difficulty hearing warning signals

  • inability to understand speech and communicate effectively

  • socialization issues

Noise levels 

Occupational Safety and Health Association (OSHA) sets legal limits on noise exposure in the workplace based on a worker's time weighted average over an 8 hour day. With noise, OSHA's permissible exposure limit (PEL) is 90 dBA for all workers for an 8 hour day. The OSHA standard uses a 5 dBA exchange rate, meaning that when the noise level is increased by 5 dBA, the amount of time a person can be exposed to a certain noise level to receive the same dose is cut in half. The National Institute for Occupational Safety and Health (NIOSH) has recommended that all worker exposures to noise should be controlled below a level equivalent to 85 dBA for eight hours to minimize occupational noise induced hearing loss. NIOSH has found that significant noise-induced hearing loss occurs at the exposure levels equivalent to the OSHA PEL based on updated information obtained from literature reviews. NIOSH also recommends a 3 dBA exchange rate so that every increase by 3 dBA doubles the amount of the noise and halves the recommended amount of exposure time.  

In basic terms, noise may be a problem in your workplace if:

  • You hear ringing or humming in your ears when you leave work.

  • You have to shout to be heard by a coworker an arm's length away.

  • You experience temporary hearing loss when leaving work.

Reducing noise hazard 

Controlling noise can minimize or eliminate the hazard. If noise cannot be isolated, blocked or engineered to reduce decibels, there are many effective earplugs on the market to reduce or eliminate the risk.

Using dosimeter meters to monitor work areas, Arbill’s Vantage EH&S Professionals help companies maintain a hearing protection program and provide employees with the information and training necessary to comply with the regulation. We teach employees how to choose and wear hearing protection and the importance of wearing the proper hearing protection.

Contact your Arbill representative today to find out how to reduce noise levels at your organization to diminish the exposure to hearing loss.  To find out more, visit www.arbill.com.

Have a safe day!  

Topics: Arbill, protect workers on the job, hearing protection, Hearing Loss Prevention Program, Hearing Conservation

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