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NAVOSH > Hearing Conservation > Flashcards

Hearing Conservation Flashcards

1
Q

Responsibilities of CO

A

Establish effective hearing conservation program

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2
Q

Responsibilities of Safety Officer

A

Liaison to the Industrial Hygiene Department

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3
Q

What does the Safety Officer maintain records of?

A

Noise hazardous areas
Noise hazardous equipment
Baseline and subsequent IH survey
Ensure the program is evaluated at least annually

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4
Q

Responsibilities of Industrial Hygiene Officer

A

Proper calibration of sound level meter

Annually, certify audiometric testing booths

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5
Q

Responsibilities of Division Officer

A

Ensures proper labeling of spaces and equip
Ensures proper training
Sends designated personnel for audiograms

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6
Q

Responsibilities of the MDR

A

Training for all hands during INDOC
Consult IH survey to determine type of ear pro
Perform fit testing
Maintain roster of current HCP personnel
Schedules personnel for audiometric testing
Reports TS to Safety Officer

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7
Q

What is reported to Safety Officer when a threshold shift is noted?

A

Name
Rate/Rank
Work Center
Time onboard

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8
Q

Responsibilities of All Hands

A

Comply with noise hazard labels and wear ear pro

Undergo annual audiometric testing

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9
Q

Hazardous Noise Warning Decal

A

NAVMED 6260/2 OR NAVMED 6260/2A

8” x 10” 2” x 2”

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10
Q

Where are the Hazardous Noise Signs posted?

A

Outside doors/hatches

Inside doors leading to weather deck

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11
Q

What is used for noise abatement?

A

Reduction of the noise at source
Modify equipment to reduce noise
Accomplished during ship design, construction and testing

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12
Q

Reference Audiogram

A

DD-2215

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13
Q

Monitoring Audiogram

A

DD-2216

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14
Q

Noise levels for hearing protection

A

Less than 84 dBA - No protection
85 dBA - 96 dBA - Single protection
Greater than 96 dBA - Double protection

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15
Q

Who takes noise measurements?

A

Industrial Hygienist and Occupational Audiologist

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16
Q

How often are noise surveys done?

A

resurvey 30 days after any significant modifications

17
Q

How long are noise measurements kept for?

A

50 years, by the measuring facility

18
Q

Are hearing tests done at MEPS used for reference?

A

NO

19
Q

Definition of Significant Threshold Shift

A

10 dB or more at 2000, 3000, 4000 Hz in either ear

STS can be positive and negative

20
Q

When do you retest audiogram?

A

Same day for negative STS

14 hours noise free for positive STS

21
Q

What do you do if first retest showed no STS

A

continue regular monitoring

22
Q

What do you do if findings are abnormal at second test?

A

Record on SF 600
Look in ears
Third audiogram
Referral to audio if STS

23
Q

How soon do you notify supervisor of STS

A

21 Days

24
Q

Navy Injury and Occupational Illnesses

A

OPNAV 5102/7

25
Q

Noise Free Audiogram

A

Auditory rest - 14 hours

26
Q

Engineering controls

A

Primary means of protection
Noise barriers
reduce noise level of machinery

27
Q

Administrative Control

A

Limiting time exposure

28
Q

Types of Noise Abatement

A

Engineering
Administrative
Substitution
Personal Hearing Devices

29
Q

Personal Hearing Protective Devices

A

Ear plugs
Straightaway Muffs
Circumaural Muff

30
Q

Types of ear plugs

A

disposable
single flange
double flange
triple flange

31
Q

When do personnel receive training?

A

Prior to working in noise

Annually

32
Q

How do you size non-disposable hearing protection ?

A

Conducted by medically trained personnel
Well lighted visual inspection of ear canal
Each ear canal will be sized separately

33
Q

Hearing Testing and Medical Surveillance

A

Reference Hearing Test
Monitoring Hearing Test
Termination Hearing Test

NAVOSH (7 decks)

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