CAOHC OSHA Noise Standard Compliance

Question 1

What is the OSHA permissible exposure limit (PEL) for occupational noise as specified in 29 CFR 1910.95?

Accepted Answer

90 dBA TWA over an 8-hour workday

Answer

85 dBA TWA over an 8-hour workday

Answer

95 dBA TWA over an 8-hour workday

Answer

80 dBA TWA over an 8-hour workday

Question 2

At what noise level does OSHA require employers to implement a hearing conservation program?

Accepted Answer

85 dBA TWA (action level)

Answer

90 dBA TWA

Answer

80 dBA TWA

Answer

95 dBA TWA

Question 3

What exchange rate does OSHA use for calculating noise dose?

Accepted Answer

5 dB exchange rate (doubling rate)

Answer

3 dB exchange rate

Answer

10 dB exchange rate

Answer

2 dB exchange rate

Question 4

What is the maximum permissible exposure time for continuous noise at 100 dBA under OSHA standards?

Accepted Answer

2 hours

Answer

4 hours

Answer

1 hour

Answer

8 hours

Question 5

Under OSHA's hearing conservation amendment, how soon must a baseline audiogram be obtained for a new employee exposed at or above the action level?

Accepted Answer

Within 6 months of first exposure (or within 1 year if a mobile test van is used)

Answer

Within 30 days of hire

Answer

Before the first day of work

Answer

Within 2 years of first exposure

Question 6

What is OSHA's definition of a Standard Threshold Shift (STS)?

Accepted Answer

An average change of 10 dB or more at 2000, 3000, and 4000 Hz in either ear

Answer

Any change of 5 dB at any frequency

Answer

A 15 dB change at 4000 Hz only

Answer

An average change of 25 dB across all frequencies