i think people know this, but just in case...
https://www.noisyplanet.nidcd.nih.gov/parents/too-loud-too-long
https://www.cdc.gov/nceh/hearing_loss/what_noises_cause_hearing_loss.html
https://leader.pubs.asha.org/do/10.1044/leader.FTR2.25052020.52
https://www.miracle-ear.com/blog-news/what-is-loud-decibel-chart