Hearing Conservation

Question 1

What is a DD-2215?

Answer 1

Reference (Baseline) Audiogram

Question 2

What is a DD-2216?

Answer 2

Monitoring Audiogram

Question 3

What noise level requires double ear pro?

Answer 3

96 Db or higher

Question 4

What noise level requires single ear pro

Answer 4

85-96 Db

Question 5

How long are noise measurement kept by the measuring activity?

Answer 5

50 Years

Question 6

Can you use the hearing test conduct at MEPS as a reference audiogram?

Answer 6

No.

Question 7

What is an Significant Threshold Shift (STS)?

Answer 7

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.

Question 8

STSs can be either what?

Answer 8

• Positive (poorer hearing)
• Negative (better hearing)

Question 9

What do you do for a negative STS?

Answer 9

Have them retest again, if improved assume the original is fucked up.

Question 10

What do you do for a postive STS?

Answer 10

• Retest after a 14 hour noise free environment.
• notify supervisor.
• If still positive, document on SF 600 and conduct an exam, if normal retest.
• If not refer to specialist and reestablish reference audiogram.
• Notify Supervisor within 21 days of positive STS.