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Permissible Exposure Time: 3 dB vs 5 dB Exchange Rate

Lesson 5 of 815 minLab

This lesson is part of the course

In this lesson

You calculate how long a worker may stay at eight levels under a 3 dB and a 5 dB halving rule and turn two hours at 95 dB(A) into a daily dose.

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Lessons in this course

  1. Sound Pressure Level: From Pascals to DecibelsLab12 min Locked
  2. Adding Sound Sources: Why 85 dB + 85 dB Is 88 dBLab14 min Locked
  3. Distance Attenuation: −6 dB per DoublingLab14 min Locked
  4. Daily Noise Exposure: Leq and LEX,8hLab16 min Locked
  5. Permissible Exposure Time: 3 dB vs 5 dB Exchange RateLab15 min Locked
  6. Room Acoustics: Reverberation Time with SabineLab15 min Locked
  7. Absorption Upgrades: Shorter Reverberation, Quieter RoomsLab15 min Locked
  8. Frequency & Wavelength of SoundLab13 min Locked