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Surface Force IDC > Unit 5.3 Hearing Conservation > Flashcards

Unit 5.3 Hearing Conservation Flashcards

1
Q

Hearing Conservation Program responsibilities of the Commanding Officer

A

Establish an effective Hearing Conservation Program (HCP) within the command

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2
Q

Hearing Conservation Program responsibilities of the Safety Officer

A
  • **Liaison to the Industrial Hygiene (IH) Department and Occupational Audiologist
  • Maintain records of:
  • – Noise hazardous areas
  • – Noise hazardous equipment
  • – Baseline and subsequent IH surveys
  • Ensure the program is evaluated at least annually
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3
Q

Hearing Conservation Program responsibilities of the Industrial Hygiene Officer

A
  • Maintain and ensure proper calibration of sound level meter
  • Annually, certify audiometric testing booths installed aboard the ship
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4
Q

Hearing Conservation Program responsibilities of the Division Officer

A
  • Ensures proper noise hazard labeling of spaces and equipment.
  • Ensures proper personnel training.
  • Sends designated personnel for audiograms
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5
Q

Hearing Conservation Program responsibilities of the Medical Department Representative

A
  • Conducts training for all hands during INDOC and annually thereafter on the Hearing Conservation Program:
  • – Effects of hazardous noise**
  • – Designated noise hazardous areas and equipment**
  • – Proper use and maintenance of HPDs**
  • – The necessity for hearing testing**
  • Performs fit testing
  • Maintains current roster of personnel on HCP
  • Schedules personnel for audiometric testing
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6
Q

What topics does MDR give training on?

A
  • Mandatory requirement to wear assigned hearing protection
  • Off-duty hearing health hazards
  • Effects of hearing loss on career longevity
  • Communication in high-noise environments
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7
Q

Medical Department Representative reports what to the Safety Officer,

A 
- All permanent threshold shifts toward deteriorated hearing
Name
Rate/Rank
Work Center
Time onboard
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8
Q

Hearing Conservation Program responsibilities of All Hands.

A
  • Comply with noise hazard labels and wear hearing protection as required
  • Undergo annual and any required follow-up audiometric testing if enrolled in the HCP
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9
Q

Hearing Conservation Program Requirements

A
  • Noise Measurement and Exposure Assessment

- – Noise measurements are part of the IH survey

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10
Q

What labels are used for hazardous noise equipment?

A
  • NAVMED 6260/2 - Hazardous Noise warning decal
  • – 8” x 10“
  • NAVMED 6260/2A - Hazardous noise label
  • – 2” x 2”
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11
Q

Where is a NAVMED 6260/2 used?

A
  • Posted to the outside doors/hatches leading into a hazardous noise area
  • However, if a door/hatch leads to the weather deck then there will be no decal posted on the outer surface, but rather posted to inside of that particular door/hatch
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12
Q

Where is a NAVMED 6260/2A used?

A
  • Used to label smaller, individual pieces of equipment or tools that produce hazardous noise
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13
Q

Define noise abatement.

A
  • Reduction of noise at the source must be explored first before implementing other methods of hearing loss prevention
  • – These actions will be accomplished during ship or equipment design, construction, and testing
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14
Q

Who needs personal hearing protective devices?

A
  • Personnel working in or entering designated hazardous noise areas or utilizing noise hazardous tools or equipment shall have hearing protection devices at all times, and wear them without consideration of the duration of exposure
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15
Q

What are the thresholds for an area or equipment to be labeled as noise hazardous and require the use of double hearing protection?

A
  • 96 dBA (average)

- 165 dBP (peak)

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16
Q

LIST Hearing Testing and Medical Surveillance tests

A
  • Reference hearing test
  • Monitoring hearing test
  • Termination hearing test
17
Q

What health record forms are used to record hearing test results?

A
  • DD-2215
  • – Reference (Baseline) Audiogram
  • DD-2216
  • – Monitoring Audiogram
  • – For personnel in HCP
18
Q

What are the dB limits for hearing protection requirements?

A
  • < or equal to 84dBA = no protection required
  • 85dBA - 95dBA = single hearing protection and placement into HCP
  • > or equal to 96dBA = double hearing protection and placement into HCP
19
Q

Who takes noise measurements at different sites?

A
  • Industrial Hygienist and or Occupational Audiologist
20
Q

If noise levels equal to 85 dBA or greater (continuous or intermittent), or 140 dBP peak sound level of impact or impulse noise is found what needs to be done?

A
  • Analyze to determine the potential hazard
  • Resurvey 30 days after any significant modifications or changes in work routine which could impact the noise exposure level
  • Record of noise measurements shall be kept by the measuring activity
  • – Kept for 50 years.
  • Risk Assessment Code (RAC) shall be assigned to all potentially hazardous noise areas and operations
21
Q

State the requirements for Reference Audiograms.

A
  • All personnel entering into the naval service shall receive a baseline audiogram.
  • – Hearing test done at MEPS shall not be used as a reference hearing test
  • – Recorded on DD-2215
22
Q

STATE the requirements for monitoring audiograms.

A
  • For personnel in HCP
  • Annual exam is required
  • Recorded on DD-2216
23
Q

DEFINE a Significant Threshold Shift (STS)

A
  • A change in hearing threshold relative to the current reference audiogram of an average of 10 dB or more at 2000, 3000, and 4000 Hz, in either ear
24
Q

Describe the types of STS

A
  • Posistive shift = poorer hearing

- Negative shift = better hearing

25
Q

LIST the procedures to be followed if an STS is a Negative shift.

A
  • Retest the same day
  • – If retest showed no STS, assume that the monitoring audiogram was in error
  • – If retest still showed improved hearing, assume that the reference audiogram is in error
  • – Establish the retest as the new reference audiogram
26
Q

LIST the procedures to be followed if an STS is a Positive shift.

A
  • Retest after a 14-hour noise free environment (may not be accomplished by the use of hearing protection), to determine if the decrease of hearing is permanent
  • Supervisor should be notified.
  • If retest does not indicate STS
  • – Return to annual monitoring
27
Q

If first retest showed positive STS and if frequencies below 3000 Hz are involved

A
  • Screen for any medical issues through otoscopy and tympanometry
  • Record findings on SF 600
  • If findings are abnormal, health care evaluation must be obtained and individual followed until cleared medically
  • If findings are normal, perform second retest
28
Q

Positive STS second retest procedures.

A
  • Second retest can be administered on the same day as the first retest
  • If retest does not indicate STS; return to annual monitoring
29
Q

If second retest showed STS?

A
  • Hearing protection is evaluated
  • Results are forwarded to audiologist or qualified physician for review and disposition
  • Result of the second retest are typically used to create a re-established reference audiogram
30
Q

What is the time frame supervisors should be notified is positive STS is found?

A
  • In writing; 21 days

Surface Force IDC (26 decks)

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