Workplace Noise: Measurement and Controls Video

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CAOHC Course Directors can use this video as a substitute for outside faculty in teaching the OHC certification course! It was engineered with the Noise Measurement and Physics of Sound portion of the course in mind. (Please consult the CD policies to be sure all requirements are met.)

Industrial hygienists, safety managers and HR managers can use this video as a tool to help train employees about the hazards of workplace noise and overexposure. It can also be used to train new personnel as well as for safety presentations to employees who have been on the job for a while.

Professional supervisors can use this video to encourage mindful actions at all levels of business, and it can be run in a waiting area to keep noise hazards top-of-mind.


This video is comprised of six sections. These sections can be viewed as one 40 minute continuous video or in 5-7 minute individual segments.

Section 1—Characteristics of Sound
Section 2—Enter the Decibel
Section 3—Time-Weighted Average
Section 4—Permissible Exposure Limit
Section 5—Noise Control Strategies
Section 6—Measuring Noise


After reviewing this video, you should be able to:

  • Understand different types of noise, how noise measurements are made and the difference between noise dosimeters and sound level meters.
  • Define decibels and weighting networks and differentiate between dB(A) and dB HL.
  • Understand Time Weighted Average and apply it to work environments.
  • Explain Action Level (AL), Permissible Exposure Limits (PEL) and know what actions are required when exposure is at or above PEL.
  • Determine when an employee needs to be included in a Hearing Conservation Program.
  • Explain the importance of which regulations apply to the employees you work with.
  • Explain the purpose of noise measurement and control strategies.
  • Explain the differences between administrative and engineering controls.


$395 each
$355 each for Course Directors

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