The world record for shouting is held by Major D.H. 'Bob' Burns and measured 113db.In 2005 a groupd of Finish boy scouts produced a scream measuring over 127db.
The OSHA advice is that noise of 100db-105db is safe to be exposed to for upto a maximum of 2 hours at any one session.
(,
Mon 14 Jun 2010, 18:54,
archived)
The OSHA advice is that noise of 100db-105db is safe to be exposed to for upto a maximum of 2 hours at any one session.