CEA CEA Noise & Radiation Pollution Control

Question 1

What U.S. federal agency is primarily responsible for establishing noise emission standards under the Noise Control Act of 1972?

Accepted Answer

EPA

Answer

The EPA was designated the lead federal agency for setting noise emission standards under the Noise Control Act of 1972.

Question 2

Which unit is used to measure sound pressure level in environmental noise assessments?

Accepted Answer

Decibel (dB)

Answer

Decibels (dB) are the standard unit for measuring sound pressure level in environmental noise assessments.

Question 3

What is the OSHA permissible exposure limit (PEL) for noise in the workplace over an 8-hour day?

Accepted Answer

90 dBA

Answer

OSHA's PEL for occupational noise exposure is 90 dBA as an 8-hour time-weighted average (TWA).

Question 4

Which type of radiation is classified as ionizing and poses the greatest concern for environmental auditors near nuclear facilities?

Accepted Answer

Gamma radiation

Answer

Gamma radiation is a high-energy ionizing radiation of greatest concern near nuclear facilities due to its penetrating power.

Question 5

What instrument is used to measure ambient noise levels during an environmental audit?

Accepted Answer

Sound level meter

Answer

A sound level meter is the standard instrument used to measure ambient noise levels during environmental noise audits.

(CEA) Certified Environmental Auditor Practice Test