hearing loss prevention1

Upload: sankalp-mehrotra

Post on 04-Apr-2018

217 views

Category:

Documents


0 download

TRANSCRIPT

  • 7/31/2019 Hearing Loss Prevention1

    1/16

  • 7/31/2019 Hearing Loss Prevention1

    2/16

    DID YOU KNOW...?Noise-induced hearing loss is the

    number one occupational disability

    It is generally painlessIt is progressive over time

    It is permanent

    IT IS PREVENTABLE!!!

    THE

    4 PS

  • 7/31/2019 Hearing Loss Prevention1

    3/16

    Steady-StateNoise Examples Rustling Leaves 20dB

    Conversation 60dB

    Automobile 70dB

    Alarm Clock 80dB

    Screaming Child 90dB

    Pneumatic Drill 100dB Helicopter 110dB

    Live Concert 130dB

  • 7/31/2019 Hearing Loss Prevention1

    4/16

    Loss of hearing sensitivity due to

    hazardous noise exposures fromeither steady state noise orimpulse noise does occur even

    before we can measure thechange!.

    And it does carry negativeconsequences!!!

  • 7/31/2019 Hearing Loss Prevention1

    5/16

    5

    BOTTOM LINE

    If you are exposing yourself to

    hazardous noise levelsunprotectedits not a matterofwhetheryou will develop

    hearingloss butwhenyou willdevelop hearing lossthe oddsareVERY RARELYbeaten.

  • 7/31/2019 Hearing Loss Prevention1

    6/16

    HEARING PROTECTIONThe only thing standing between you

    and a potential permanent hearing

    loss!!!!!

  • 7/31/2019 Hearing Loss Prevention1

    7/16

    But I Cant Wear Hearing

    Protection Because...

    My ears will become infected

    They hurt my earsI cant hear to do my jobI cant hear sounds needed to hunt,

    etc., etc.Thinking short-term instead of long-

    term

  • 7/31/2019 Hearing Loss Prevention1

    8/16

    Approved Types of HPDsEarplugsPre-formed

    Hand-formed

    Noise Muffs

    Helmets

  • 7/31/2019 Hearing Loss Prevention1

    9/16

    NOISE REDUCTION

    RATING (NRR)All hearing protection deviceshave a Noise Reduction Rating(NRR)

    Field testing suggests that the

    actual NRR is approximatelyhalf of what is listed on thepackage

  • 7/31/2019 Hearing Loss Prevention1

    10/16

    PRE-FORMED EARPLUGS Single Flange:

    (NRR)=23dB

    5 color-coded sizes: White (Extra Small)- 10% of

    the population

    Green (Small)- 25%

    Orange (Medium)-30%

    Blue (Large)- 40% Red (Extra Large)- 25%

  • 7/31/2019 Hearing Loss Prevention1

    11/16

    Characteristics Of A Good

    Pre-formed Earplug FitVoices sound muffled

    Vacuum effect

    Comfortable

    Single flange tab facing towardback of ear

    Largest flange of triple flange isflush against ear canal opening

  • 7/31/2019 Hearing Loss Prevention1

    12/16

    Circumaural Noise MuffsNoise Reduction Rating

    (NRR)=23dB

  • 7/31/2019 Hearing Loss Prevention1

    13/16

    Fitting TechniqueNoise muffs should seal around the

    ear

    Replace ear cushions when cracked orwornCertain types of muffs allow

    placement of the headband on top ofthe head, behind the head, or underthe chin

  • 7/31/2019 Hearing Loss Prevention1

    14/16

    Care and Maintenance ofall HEARING PROTECTIVE

    DEVICESKeep clean with mild soap and water

    and dry before usingReplace when material

    hardens/cracks or does not clean

    Check for cracks on earphone seals,headband tension and replace asneeded

  • 7/31/2019 Hearing Loss Prevention1

    15/16

    COMBAT EARPLUGSInsert YELLOW plugs forweapons fire in dismountedmode.

    Insert OLIVE DRAB plugs forsteady state noise in andaround aircraft, noisy vehiclesand watercraft, etc.

    Keep filter holes free of earwax and other debris. Check proper insertion for slight tension by gently tugging

    on plugs.

    Ensure that plugs are cleaned with soap and water and drywhen returned to case.

  • 7/31/2019 Hearing Loss Prevention1

    16/16

    TO SUMMARIZE HEARING LOSS HAPPENS!

    Noise induced hearing loss is 100%

    preventable

    Your hearing health starts withYOU while

    at work or home

    IfYOU dont protect itYOU will lose it