The document provides information about the USAF Hearing Conservation Program (HCP), which aims to protect personnel from hazardous noise and prevent noise-induced hearing loss. It discusses noise as a health hazard, recognizing hazardous noise levels, symptoms of overexposure, hearing protection devices, and HCP requirements. The HCP is a command-driven program that uses administrative controls, engineering controls, education, audiometric monitoring, and hearing protection to reduce hazardous noise exposure and detect early hearing loss.
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.
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.
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
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.
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
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.
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
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.
This slides tells about what are the consequences of noise;hearing loss and how it affects human being;protective devices for minimizing the risk level.
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Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
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A Strategic Approach: GenAI in EducationPeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
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June 3, 2024 Anti-Semitism Letter Sent to MIT President Kornbluth and MIT Cor...Levi Shapiro
Letter from the Congress of the United States regarding Anti-Semitism sent June 3rd to MIT President Sally Kornbluth, MIT Corp Chair, Mark Gorenberg
Dear Dr. Kornbluth and Mr. Gorenberg,
The US House of Representatives is deeply concerned by ongoing and pervasive acts of antisemitic
harassment and intimidation at the Massachusetts Institute of Technology (MIT). Failing to act decisively to ensure a safe learning environment for all students would be a grave dereliction of your responsibilities as President of MIT and Chair of the MIT Corporation.
This Congress will not stand idly by and allow an environment hostile to Jewish students to persist. The House believes that your institution is in violation of Title VI of the Civil Rights Act, and the inability or
unwillingness to rectify this violation through action requires accountability.
Postsecondary education is a unique opportunity for students to learn and have their ideas and beliefs challenged. However, universities receiving hundreds of millions of federal funds annually have denied
students that opportunity and have been hijacked to become venues for the promotion of terrorism, antisemitic harassment and intimidation, unlawful encampments, and in some cases, assaults and riots.
The House of Representatives will not countenance the use of federal funds to indoctrinate students into hateful, antisemitic, anti-American supporters of terrorism. Investigations into campus antisemitism by the Committee on Education and the Workforce and the Committee on Ways and Means have been expanded into a Congress-wide probe across all relevant jurisdictions to address this national crisis. The undersigned Committees will conduct oversight into the use of federal funds at MIT and its learning environment under authorities granted to each Committee.
• The Committee on Education and the Workforce has been investigating your institution since December 7, 2023. The Committee has broad jurisdiction over postsecondary education, including its compliance with Title VI of the Civil Rights Act, campus safety concerns over disruptions to the learning environment, and the awarding of federal student aid under the Higher Education Act.
• The Committee on Oversight and Accountability is investigating the sources of funding and other support flowing to groups espousing pro-Hamas propaganda and engaged in antisemitic harassment and intimidation of students. The Committee on Oversight and Accountability is the principal oversight committee of the US House of Representatives and has broad authority to investigate “any matter” at “any time” under House Rule X.
• The Committee on Ways and Means has been investigating several universities since November 15, 2023, when the Committee held a hearing entitled From Ivory Towers to Dark Corners: Investigating the Nexus Between Antisemitism, Tax-Exempt Universities, and Terror Financing. The Committee followed the hearing with letters to those institutions on January 10, 202
2. AFI 48-127, Occupational Noise and
Hearing Conservation Program
The USAF HCP is a component
of the Occupational and
Environmental Health (OEH)
Program, and is a command-
driven program designed to
reduce or eliminate hazardous
noise exposure to workers and
protect workers from the harmful
effects of hazardous noise, while
enhancing combat and
operational capabilities.
3. Overview
AF Hearing Conservation Program
Noise Induced Hearing Loss
Recognizing Hazardous Noise
Symptoms of Overexposure
Hearing Protection Hearing Conservation
Program Requirements
4. AF Hearing Conservation Program
Purpose and Program Goals
To Protect AF personnel from the harmful
effects of hazardous noise through:
– Administrative and Engineering controls, when feasible
– An aggressive occupational health education program
– Providing personnel with protective equipment, when
needed
– Motivating personnel to actively participate in the
program
– Audiometric monitoring of persons exposed, to detect
hearing loss early
5. AF Hearing Conservation Program
BACKGROUND
30 million workers are exposed to harmful
noise
Hearing loss is 2nd most reported
occupational illness
Noise-induced hearing loss is irreversible
Any amount of remaining hearing is worth
saving
Only 20-60% of workers use hearing
protection
Hearing loss is almost 100% preventable!
6. AF Hearing Conservation Program
Administrative and Engineering controls
Administrative controls
- Limiting time of exposure
- Requires specific guidance from Bioenvironmental
Engineering
Engineering controls
- Substitution of equipment
- Containment of source (enclosing and soundproofing)
7. AF Hearing Conservation Program
Program Responsibilities
Wing Safety:
– Assists in assessment of the ability of a hearing impaired
individual to satisfactorily perform tasks without undue
risks to self or others
Base Medical Services:
– Ensure medical recommendations restricting persons
from hazardous noise duties are properly made
Chief of Aerospace Medicine:
– Responsible for overall management of USAF HCP
– Assigns a health care provider as program manager
– Ensures duty restrictions are appropriate
– Place shops on the program through the Aerospace
Medicine Council
8. AF Hearing Conservation Program
Program Responsibilities cont.
Physical Examinations and Standards:
– Conducts physical examination portion of program.
– Makes medical recommendations for all persons routinely
exposed to hazardous noise
Bioenvironmental Engineering:
– Performs routine noise surveys to identify hazardous
environments
– Informs shop supervisor of results in a written report
– Provide Public Health with info necessary for education
and health monitoring requirements
9. AF Hearing Conservation Program
Program Responsibilities cont.
Public Health (PH)
– Ensures all personnel routinely exposed to hazardous
noise are properly identified
Ensure personnel receive routine audiograms
Tracks persons referred to HCC and HCDC
– Provide Job Capability Assessment to program manager
upon request
– Fit individuals with ear plugs
– Provide initial training to all employees routinely exposed
and annual training to supervisors
– Assist supervisors (technically) with annual training
requirements
– Conduct periodic site visits to assess compliance with
program directives
10. AF Hearing Conservation Program
Program Responsibilities cont.
Supervisors:
– Ensure their personnel receive initial and annual training
– Attend annual supervisors training
– Ensure personnel wear hearing protection
– Ensure personnel receive required hearing exams
Must be noise free for at least 14 hours prior to initial
exams
– If shift is noted member will be 40 hour noise free for follow up
Individuals:
– Comply with all safety requirements
– Report for medical exams
11. Standard Threshold Shift in
Hearing
Temporary Threshold Shift
– Hearing loss, also called auditory fatigue, represents
hearing loss which is recoverable after a period of time
away from the noise source.
Permanent Threshold Shift
– Hearing Loss, prolonged exposure to noise results in
permanent hearing loss or impairment
12. Common Misconceptions
“Noise Induced hearing loss can be cured”
False! Although some hearing losses occur
from a single high noise exposure, most
occur gradually and you are unable to tell
until it is too late.
“Off duty noise won’t affect my hearing levels
at work.”
False! Off duty noise can be just as harmful
to your hearing. Wear your protection it only
takes a moment to put it on.
14. Noise
Noise is commonly defined as any
undesirable sound. Unfortunately noise , like
many things, can damage the body if there is
excessive exposure. The Air Force defines
hazardous noise as noise levels greater than
85 decibels (dB). A decibel is an expression
of noise levels, 1 representing the faintest
audible sound and 120 to 140 is generally
considered the threshold of pain.
15. Examples
A soft whisper at 5 feet is about 30 dB
Conversation at 3 feet is about 60 dB
A vacuum cleaner at 10 feet is about 70 dB
A lawn mower is about 90 dB
Aerospace Ground equipment is 110 dB
The Average Rock and Roll band is around
115 dB
A jet aircraft is around 120 dB
16. Routine Exposure to Hazardous
Noise
An 8 hour equivalent continuous A-weighted
sound level greater than 85 dB
Intermittent (non-impact) noise above 115 dB
Impulse or impact noise above 140 dB peak
sound pressure level
What is Hazardous Noise?
17. How can I tell if I’m being exposed
to hazardous noise?
When you have to shout at 3 feet (a loud
noise at 1 foot) to be understood, you are in
hazardous noise
Hearing protection must be worn and the time
of exposure reduced as much as possible
18. Are all kinds of noise hazardous?
No! The most hazardous is pure tone noise,
such as noise in which you can distinguish a
particular tone, such as loud music.
You may be surprised to know that the least
hazardous noise is an impact noise, this is
because the ear gets a ‘rest period’ between
each impact.
19. Is off-duty noise hazardous?
Other off-duty hazardous sources include
shooting, car races, and loud music among
others.
Remember, being off-duty doesn’t mean
you’re away from noise exposure: don’t add
to it unnecessarily. The more noise you add,
the more hearing you may subtract.
20. Symptoms of Overexposure
Initial signs of noise induced hearing loss:
– Dullness in hearing or ringing/buzzing in ears
– Excessive fatigue
Interference with communications
– Noise which is not intensive enough to cause hearing
damage, can still disrupt speech communication. While
communication is necessary, the levels of acceptability
may vary with the nature of the work involved
Annoyance
– Different levels of noise and frequency may prove to be
annoying while performing certain tasks
21. Symptoms of Overexposure cont.
Physical
– Changes in heart
beat and respiration
– Increased electrical
activity - brain
– Increase in blood
pressure
– Irritable or
nauseated
22. Hearing Protection Devices
Hearing protection devices are designed to
reduce noise levels above the speech range,
resulting in a more favorable listening level.
Types: Inset Ear plugs (designed to provide an air tight seal)
Pre-molded: Quad flange
– Noise reduction 24 dB
Formable: E-A-R
– Noise reduction: 35 dB
Custom Molded: made to fit
– Noise reduction varies among individuals
23. Hearing Protection Devices cont.
Earmuffs: worn on the outside to reduce the
level of noise that reaches the ear
– Noise reduction: (depends on the device and airtight seal
between cushion and head) avg 23 dB
Communication Muffs
– For persons who have to communicate in the presence of
intense noise
– Noise reduction: (depends on device) avg 23dB. Noise
exposure limits may be exceeded by combination of
noise and voice
24. Hearing Protection Devices cont.
Double Protection
– Used when extremely high noise levels are present which
can’t be reduced to acceptable levels with single
protection
– Noise reduction: you do not get attenuation of the sum of
both types of protection. Taking the sum of both and
dividing by 1.5 will give you a rough estimate of noise
reduction
NOTE: NR levels may be less because the noise
surrounding the head and body may bypass the device
through the tissue and bone pathways to the inner ear.
25. Fitting
Fitting:
– Pre-molded ear plugs must be properly fitted by PH
personnel
Care
Reusable Ear Plugs
– Wash in warm water using hand soap, rinse and air dry
– Clean at least weekly
– Should last about 2 months
» When plugs harden, deteriorate, or no longer form an
airtight seal; replace them
Earmuffs
– Clean foam cushions just like reusable ear plugs
– When not in use, store them in the open to allow air drying
26. Fitting cont.
Issued by Public Health
Stop by when needed
– Bldg. 400 Medical Group
– Phone # 761-6240
27. Hearing Conservation Program
Requirements
Noise Surveys
– Conducted by Bioenvironmental Engineering to identify
hazardous noise environments
Hearing Tests
– Initial, annual, close scrutiny and termination
Education
– Initial
Provided by PH - this briefing
– Annual
Provided by your supervisor
Personal Protective equipment
– Your responsibility to wear when needed
28. Closing Remarks
The Hearing Conservations Program is designed
to educate and prevent although it is limited to
thee scope of medical follow up the 177th has
established a process in the event you should
need further audiological follow up.