This document discusses occupational noise hazards. It begins by stating objectives and introducing the topic of occupational noise exposure. Key facts are provided about noise-related hearing loss, including that 10 million Americans and 22 million workers are exposed to hazardous noise annually. Common noise sources at work are identified. The effects of noise on health are outlined. Methods for reducing noise exposure through engineering controls, administrative controls, and hearing protection devices are described. Responsibilities of workers in a hearing conservation program are listed.
The OSHA standard for noise requires at-workers to receive training on how noise affects them along with the controls to protect them from exposure and monitor their hearing. If this the type of training that you require to meet your regulatory obligations, contact us at The Windsor Consulting Group, Inc. We have over 60 occupational health and safety course offering to help your workforce, public, and the environment
The OSHA standard for noise requires at-workers to receive training on how noise affects them along with the controls to protect them from exposure and monitor their hearing. If this the type of training that you require to meet your regulatory obligations, contact us at The Windsor Consulting Group, Inc. We have over 60 occupational health and safety course offering to help your workforce, public, and the environment
About 30 million workers are exposed to hazardous noise on the job. One in 4 of these workers (or 7.5 million Americans) will develop permanent hearing loss.Noise-induced hearing loss is the most common occupational hazard for American workers.Hearing loss from noise is slow and painless; you can have a disability before you notice it.If you must raise your voice to speak with someone only 3 feet away, you are in high (hazardous) noise. It is 100% preventable
Workers can be exposed to a wide array of noise exposures doing different tasks. They also may be exposed to noise while at sporting venues or participating in variuos recreational activities. Evaluating noise exposure correctly is just as important as selecting the right controls. This presentation examines the physics of noise, how to measure it, who to include in a hearing conservation program, and what controls can be used to reduce the risk.
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Occupational noise-induced hearing loss (NIHL) is a major compensable industrial disease in Australia, which has severe impact – sufferers have trouble communicating, can become socially isolated and experience a substantial reduction in their quality of life. As well as the negative affects directly associated with the individual affected, NIHL also has substantial economic costs. Exposure to excessive noise causes increased employee turnover and absenteeism as well as lowered performance.
Although NIHL is irreversible, it can prevented. In this slide deck, Kerri-Ann Jessep, Client Support Consultant and Occupational Hygienist at Medgate, teaches you how you can better protect your employees from noise induced hearing loss.
About 30 million workers are exposed to hazardous noise on the job. One in 4 of these workers (or 7.5 million Americans) will develop permanent hearing loss.Noise-induced hearing loss is the most common occupational hazard for American workers.Hearing loss from noise is slow and painless; you can have a disability before you notice it.If you must raise your voice to speak with someone only 3 feet away, you are in high (hazardous) noise. It is 100% preventable
Workers can be exposed to a wide array of noise exposures doing different tasks. They also may be exposed to noise while at sporting venues or participating in variuos recreational activities. Evaluating noise exposure correctly is just as important as selecting the right controls. This presentation examines the physics of noise, how to measure it, who to include in a hearing conservation program, and what controls can be used to reduce the risk.
Hazards in steel plant and their control, By B C dasBimal Chandra Das
Hazards and Accidents In the iron and Integrated steel industry- Recommendations to prevent and control exposure to ….. Safety Awareness, It is sharing of knowledge. By Bimal Chandra Das, Rtd. AGM (Safety), Bokaro Steel Plant,/ Bokaro. Kolkata
Safe Chemical Handling & Initial Spill ResponseDavid Horowitz
This presentation was prepared for the Sixteenth Annual Southeastern Massachusetts Drinking Water Fair held on June 16, 2011 at the Massachusetts Maritime Academy. The event was hosted by the Barnstable County Water Utilities Association and the Plymouth County Water Works Association. Attendees received Training Contact Hours (TCHs).
A powerpoint presentation designed to cover the basics of Personal Protective Equipment including gloves, respiratory, earplugs, etc... Can be used in training employees. Made available free from www.nationalsafetyinc.com
Occupational noise-induced hearing loss (NIHL) is a major compensable industrial disease in Australia, which has severe impact – sufferers have trouble communicating, can become socially isolated and experience a substantial reduction in their quality of life. As well as the negative affects directly associated with the individual affected, NIHL also has substantial economic costs. Exposure to excessive noise causes increased employee turnover and absenteeism as well as lowered performance.
Although NIHL is irreversible, it can prevented. In this slide deck, Kerri-Ann Jessep, Client Support Consultant and Occupational Hygienist at Medgate, teaches you how you can better protect your employees from noise induced hearing loss.
Noise Induced Hearing Loss (NIHL) has been a perennial occupational hazard in the workplace. This is truly evident in the mining professions. This presentation covers details about hearing loss, its causes and tools developed to educate the workforce regarding its existence.
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An overview of noise pollution and control is presented, w.r.t. sources, impacts on human life, and mitigation/ control measures. Mining is a hazardous profession, numerous health impact on the miners. Hearing Impairment is one of the major health problems phased on a day to day basis in both open cast (o/c) and underground (u/g) Mines worldwide. But o/c mine is key as it is highly mechanized these days. Thus, this presentation provides basic information w.r.t. noise pollution and control in mines.
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Occupational noise hazard
1. O C C U P AT I O N A L N O I S E H A Z A R D
B Y : C A N D I C E G R A H A M B S N , R N
O C C U P A T I O N A L H E A L T H S P E C I A L I S T
2. OBJECTIVES
You will …….
• Be able to recall basic facts and statistics about occupational noise
• Be able to state the difference between noise and sound
• Identify noise hazards
• State noise mitigation methods
How to prevent hearing loss !
4. INTRODUCTION
Occupational Noise Exposure
Noise in the work environment that has
potential to be hazardous.
Why is it a hazard?
Noise-related hearing loss has been one of
the most prevalent occupational health
concerns in the United States for more
5. FA S T FA C T S
• 1 9 8 1 - H E A R I N G C O N S E R V A T I O N P R O G R A M
• T E N M I L L I O N P E O P L E I N T H E U . S . H A V E N O I S E -
R E L A T E D H E A R I N G L O S S
• T W E N T Y - T W O M I L L I O N W O R K E R S A R E E X P O S E D T O
P O T E N T I A L L Y D A M A G I N G N O I S E E A C H Y E A R .
• I N 2 0 0 7 , A P P R O X I M A T E L Y 8 2 % O F T H E C A S E S
I N V O L V I N G O C C U P A T I O N A L H E A R I N G L O S S W E R E
R E P O R T E D A M O N G W O R K E R S I N T H E
M A N U F A C T U R I N G S E C T O R .
7. WHAT IS SOUND
• A sound wave is a
pressure wave;
regions of high
(compressions)
and low pressure
(rarefactions) are
established as the
result of the
vibrations of the
sound source.
9. DECIBELSDecibel system (sound pressure level)
• O dB -Threshold of hearing
• 20 dB -Very quiet room
• 40 dB -Normally quiet room
• 60 dB -Comfortable conversational
level
• 80 dB -Loud (typical factory
background)
• 100 dB -Very loud
• 120 dB -Extremely loud
• 140 dB -Threshold of pain
10. WHAT IS ACCEPTABLE
•OSHA's permissible exposure limit (PEL) is 90
dBA (8hr)
-Standard uses a 5 dBA exchange rate
•The National Institute for Occupational Safety
and Health (NIOSH) worker exposures below a
level equivalent to 85 dBA (8hr)
-NIOSH recommends a 3 dBA exchange rate
11. CLICK TO BEGIN VIDEO
Hearing loss myths & facts . [Video file]. (2015, Feb 24, 2015). Retrieved from
https://www.youtube.com/watch?v=iTFPh-COLFk
13. E F F E C T S O F N O I S E
• TINNITUS
• HYPERTENSION
• CARDIOVASCULAR EFFECTS
• SLEEP DISTURBANCE
• ANNOYANCE
• HEARING LOSS
14. HOW TO REDUCE NOISE EXPOSURE
Engineering controls involve modifying or replacing
equipment, or making related physical changes at the
noise source or along the transmission path to reduce the
noise level at the worker's ear.
Administrative controls are changes in the workplace
or schedule that reduce or eliminate the worker
exposure to noise.
Hearing protection devices (HPDs)
Effective hearing conservation program strives to prevent,
promote and protect
15.
16. YOUR RESPONSIBILITIES
•Wear HPDs when exposed to
hazardous noise
•Attend hearing tests and
training as directed
•Abide by the hearing
conservation program
requirements and make others
aware of the need to wear HPDs
in noise hazardous areas
18. REFERENCES
Coulter, B. (Producer). (2010, Oct 28, 2010). Sound Waves. Retrieved from
http://www.slideshare.net/brucecoulter/sound-waves-5597634
Hearing loss myths & facts . [Video file]. (2015, Feb 24, 2015). Retrieved from
https://www.youtube.com/watch?v=iTFPh-COLFk
Hearing. (2016, March 17). In Wikipedia, The Free Encyclopedia. Retrieved 01:18, March
29, 2016, from
https://en.wikipedia.org/w/index.php?title=Hearing&oldid=710529865
Noise. (2016, March 21). In Wikipedia, The Free Encyclopedia. Retrieved 00:34, March 29,
2016, from https://en.wikipedia.org/w/index.php?title=Noise&oldid=711250399
United States Department of Labor. (n.d). Occupational Noise Exposure. Retrieved from
https://www.osha.gov/SLTC/noisehearingconservation/index.html
Sehrnd, G., & Gerges, S. (n.d). Noise source . Retrieved from
http://www.who.int/occupational_health/publications/noise5.pdf
Sound. (2016, March 21). In Wikipedia, The Free Encyclopedia. Retrieved 00:35, March
29, 2016, from
Editor's Notes
Noise
Any sound that is undesired or that interfere with activity.
Noise. (2016, March 21). In Wikipedia, The Free Encyclopedia. Retrieved 00:34, March 29, 2016, from https://en.wikipedia.org/w/index.php?title=Noise&oldid=711250399
Center for Disease Control and Prevention. (September 17, 2015). Noise loss and prevention . Retrieved March 20,2016, from http://www.cdc.gov/niosh/topics/noise/stats.html
Hearing. (2016, March 17). In Wikipedia, The Free Encyclopedia. Retrieved 01:18, March 29, 2016, from https://en.wikipedia.org/w/index.php?title=Hearing&oldid=710529865
Sound. (2016, March 21). In Wikipedia, The Free Encyclopedia. Retrieved 00:35, March 29, 2016, from https://en.wikipedia.org/w/index.php?title=Sound&oldid=711256846
Coulter, B. (Producer). (2010, Oct 28, 2010). Sound Waves. Retrieved from http://www.slideshare.net/brucecoulter/sound-waves-5597634
United States Department of Labor. (n.d). Occupational Noise Exposure. Retrieved from https://www.osha.gov/SLTC/noisehearingconservation/index.html
United States Department of Labor. (n.d). Occupational Noise Exposure. Retrieved from https://www.osha.gov/SLTC/noisehearingconservation/index.html
Hearing loss myths & facts . [Video file]. (2015, Feb 24, 2015). Retrieved from https://www.youtube.com/watch?v=iTFPh-COLFk
The pressure pulses from compressors are quite severe, and equivalent sound pressure levels can exceed 105dB
The noise level of hand held tools can reach as high as 110 dB(A) at the operator’s ear.
For large motors in the range of 1000 kW, 3600 RPM, a sound pressure level of as high as 106 dB(A) occurs.
Fan and blower noise is the easiest and most
straightforward noise problem to solve, using an absorptive type silencer
Sehrnd, G., & Gerges, S. (n.d). Noise source . Retrieved from http://www.who.int/occupational_health/publications/noise5.pdf
Exposure to high noise levels can also cause permanent ringing in the ear or “tinnitus”
Tinnitus sufferers complain of constant whistling, squealing, roaring or buzzing in one or both ears
Severe tinnitus may disrupt sleep, reduce concentration and cause irritability and depression
Our ears can recover from short exposure to loud noise but over time nerve damage will occur
The longer and louder the noise the greater chance permanent damage will occur
There is no such thing as “tough ears” or “getting used to it”
Examples of inexpensive, effective engineering controls include some of the following: Choose low-noise tools and machinery; Maintain and lubricate machinery and equipment (e.g., oil bearings); Place a barrier between the noise source and employee (e.g., sound walls or curtains); and Enclose or isolate the noise source.
Examples include: Operating noisy machines during shifts when fewer people are exposed; Limiting the amount of time a person spends at a noise source; Providing quiet areas where workers can gain relief from hazardous noise sources; and Controlling noise exposure through distance is often an effective, yet simple and inexpensive administrative control. Specifically, for every doubling of the distance between the source of noise and the worker, the noise is decreased by 6 dBA.
An effective hearing conservation program must be implemented by employers in general industry whenever worker noise exposure is equal to or greater than 85 dBA for an 8 hour exposure or in the construction industry when exposures exceed 90 dBA for an 8 hour exposure. This program strives to prevent initial occupational hearing loss, preserve and protect remaining hearing, and equip workers with the knowledge and hearing protection devices necessary to protect them. Key elements of an effective hearing conservation program include:
Workplace noise sampling including personal noise monitoring which identifies which employees are at risk from hazardous levels of noise.
Informing workers at risk from hazardous levels of noise exposure of the results of their noise monitoring.
Providing affected workers or their authorized representatives with an opportunity to observe any noise measurements conducted.
Maintaining a worker audiometric testing program (hearing tests) which is a professional evaluation of the health effects of noise upon individual worker's hearing.
Implementing comprehensive hearing protection follow-up procedures for workers who show a loss of hearing (standard threshold shift) after completing baseline (first) and yearly audiometric testing.
Proper selection of hearing protection based upon individual fit and manufacturer's quality testing indicating the likely protection that they will provide to a properly trained wearer.
Evaluate the hearing protectors attenuation and effectiveness for the specific workplace noise.
Training and information that ensures the workers are aware of the hazard from excessive noise exposures and how to properly use the protective equipment that has been provided.
Data management of and worker access to records regarding monitoring and noise sampling.
HPDs such as earmuffs and plugs, are considered an acceptable but less desirable option to control exposures to noise and are generally used during the time necessary to implement engineering or administrative controls, when such controls are not feasible, or when worker's hearing tests indicate significant hearing damage
Controls for noise exposure . (August 8, 2014). Retrieved March 8, 2015, from http://www.cdc.gov/niosh/topics/noisecontrol/
