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Home My WebLink AboutDecibel InfoPoints of Reference *measured in dBA or decibels · 0 The softest sound a person can hear with normal hearing · 10 normal breathing · 20 whispering at 5 feet · 30 soft whisper .. 50 rainfall · 60 normal conversation · 110 shouting in ear · 120 thunder Itome Work Recreation · 50 refrigerator · 40 quiet office, library · 40 quiet residemial area · 50 - 60 electric · 50 large office · 70 freeway traffic toothbrush · 65 - 95 power lawn .. 85 heavy traffic, noisy · 50 - 75 washing mower restaurant machine · 80 manual machine, · 90 truck, shouted · 50 - 75 air conditioner tools conversation · 50 - 80 electric shaver · 85 handsaw · 95 - 110 motorcycle · 55 coffee percolator · 90 tractor · 100 snowmobile · 55 - 70 dishwasher · 90 - 115 subway ~. 100 school dance, · 60 sewing machine · 95 electric drill boom box · 60 - 85 vacuum cleaner · 100 factory machinery · 110 disco · 60 - 95 hair dryer · 100 woodworking class · 110 busy video arcade ° 65 - 80 alarm clock · 105 snow blower · 110 symphony concert · 70 TV audio · ll0powersaw · ll0carhorn · 70 - 80 coffee grinder · 110 leafblower · 110 -120 rock concert · 70 - 95 garbage · 120 chain saw, hammer · 112 personal cassette disposal on nail player on high · 75 - 85 flush toilet · 120 pneumatic drills, · 117 football game · 80 pop-up toaster heavy machine (stadium) · 80 doorbell · 120 jet plane (at ramp) · 120 band concert · 80 ringing telephone · 120 ambulance siren * 125 auto stereo (factory · 80 whistling kettle · 125 chain saw, installed) · 80 - 90 food mixer or · 130 jackhammer, power · 130 stock car races processor drill .. 143 bicycle horn · 80 - 90 blender · 130 air raid · 150 firecracker · 80 - 95 garbage .. 130 pemussion section · 156 capgun disposal at symphony · 157 balloon pop · 1 t 0 baby crying · 140 airplane taking off · 162 fireworks (at 3 · 110 squeaky toy held · 150 jet engine taking off feet) close to the ear · 150 artillery fire at 500 · 163 rifle · 135 noisy squeeze toys feet ,. 166 lmndgun ,. 180 rocket launching · 170 shotgun from pad