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r2 - 10 Feb 2008 - 16:48:57 - DaveEinhornYou are here: TWiki >  BlacksmithInfo Web > Safety > HearingProtection

Hearing Protection

How Loud is Loud???

firearms, air-raid siren 140 Painful
jackhammer 130  
jet plane take off 120  
rock music 110 Extremely Loud
chain saw 100  
lawn mower 90  
alarm clock 80 Very Loud
vacuum cleaner 70  
conversation 60  
moderate rainfall 50 Moderate
quiet room 40  
whisper 30 Faint

-- AlbinDrzewianowski - 23 Jan 2008

 
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