<prompt> The decibels above which auditory fatigue occurs is60 db70 db85 db140 db  <response>: A daily exposure up to 85db is about the limit people can tolerate without substantial damage to their hearing.Auditory fatigue: It appears in the 90dB region and greatest at 400Hz. It may be associated with side effects such as whistling and buzzing in the ears.Park 23e pg: 742 