90 dB(A) is the OSHA 8 hour TWA 115 dB(A) is the OSHA 15 min Short Term Exposure Limit 140 dB(A) is the OSHA ceiling Exposure above these levels can cause hearing damage.
No only loud noises will damage your ear drum.
What is the maximum sound level is safe for human ear
Very loud sounds, starting at about 125 decibels can cause ear pain or ear damage.
the loud sound damages to the hearings cells of the ear
130 db is the level of pain. Anything above this causes ear drum damage.
Because it pops you ear drum
120 dB is not the upper limit of sound, rather it is just the sound level at which you will suffer ear damage. Ex: Airplane engines can create noises above 120 dB.
The sad thing is, it isn't the ear drum might dilute the sound and make it less loud sure. But when a very loud sound is right next to you the ear drum begins to get alot of damage and you may have that permenant damage for life
at 100Db sound can start to damage the ears.
A loud sound can damage your hearing by killing cilia in your ear that makes you hear things, and when you kill all the cilia you lose your hearing.
Loud sounds experienced frequently over a long time damage the ear, or rather, the hearing, by destroying the hair cells in the inner ear. Since the hair cells are what convert pressure waves into nerve impulses, if they are damaged, sound is not converted into a signal that can be sent to the brain. In addition, short sharp, very loud sound can rupture the ear drum and result in temporary or permanent damage that may also impact the ability to hear sound.
At the ear of the kissing person there could be measured a sound pressure level of 80 dBSPL. At the ear of a listener far away the level must be less. We got the distance law 1/r for the sound pressure.