Laserfiche WebLink
SOUND LEVEL REFERENCE TABLE <br />Home & Yard Appliances*i on <br />healthy hearing threshold <br />a pin dropping <br />rustling leaves <br />30 <br />whisper <br />y <br />babbling brook <br />computer <br />light traffic <br />refrigerator <br />60 <br />conversational speech <br />air conditioner <br />70 <br />shower <br />dishwasher <br />75 <br />toilet flushing <br />vacuum cleaner <br />80 <br />alarm clock <br />garbage disposal <br />85 <br />passing diesel truck <br />snow blower <br />90 <br />squeeze toy <br />lawn mower <br />95 <br />inside subway car <br />food processor <br />100 <br />motorcycle (riding) <br />105 <br />sporting event <br />110 <br />rock band <br />115 emergency vehicle siren <br />thunderclap <br />balloon popping <br />Peak stadium crowd noise <br />air raid siren <br />jet engine at takeoff <br />firecracker <br />fighter jet launch <br />Mcap gun <br />= shotgun <br />M.357 magnum revolver <br />safety airbag <br />howitzer cannon <br />rocket launch <br />® sound waves become shock waves <br />arc welder <br />belt sander <br />handheld drill <br />table saw <br />jackhammer <br />riveter <br />oxygen torch <br />Most noise levels are given in dBA,. which are decibels adjusted to reflect the ear's <br />response to different frequencies of sound. Sudden, brief impulse sounds, like many of <br />those shown at 120 dB or greater, are often given in dB (no adjustment). <br />31 Page <br />