International Longshoremen's Association, AFL-CIO
ILA Local 1624
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SOURCE: Temple University Department of Civil/Environmental Engineering.
Noise Sources and Their Effects
Noise SourceDecibel
Level
Noise EffectJet take-off (at 25 meters) 150 Eardrum rupture Aircraft carrier deck 140 Earphones at high level Jet take-off (at 100 meters) 130 Thunderclap, live rock music, chain saw 120 Steel mill, riveting, auto horn at 1 meter 110 Human pain threshold Jet take-off (at 305 meters), outboard motor, power lawn mower, motorcycle, farm tractor, jackhammer, garbage truck
100Serious hearing damage
(8 hrs)Busy urban street, diesel truck, food blender 90 Hearing damage (8 hrs) Garbage disposal, dishwasher, average factory, freight train
(at 15 meters)
80
Possible hearing damageFreeway traffic (at 15 meters), vacuum cleaner 70 Annoying Conversation in restaurant, office, background music 60 Quiet Quiet suburb, conversation at home 50 " Library 40 " Quiet rural area 30 Very Quiet Whisper, rustling leaves 20 " Breathing 10 " 0 Threshold of hearing SOURCE: Temple University Department of Civil/Environmental Engineering (www.temple.edu/departments/CETP/environ10.html)
Sound Levels and Relative Loudness of Typical Noise Sources
in Indoor and Outdoor Environments
Decible
level
(dB)Subjective Loudness (Relative to
70 dB)
Overall Level
Community Noise Levels (Outdoors)
Home and Industry
Noise Levels120 32 times
as loudUncomfortably
loudMilitary jet aircraft take-off from aircraft carrier with afterburner at 50 ft (130 dB) Oxygen torch (121 dB) 110 16 times
as loudTurbo-fan aircraft at takeoff power at 200 ft (118 dB) Riveting machine
(110 dB); rock band
(108 - 114 dB)100 8 times
as loudVery loud Boeing 707 or DC-8 aircraft at one nautical mile (6080 ft) before landing (106 dB); jet flyover at 1000 feet (103 dB); Bell J-2A helicopter at 100 ft (100 dB) 90 4 times
as loudBoeing 737 or DC-9 aircraft at one nautical mile (6080 ft) before landing (97 dB); power mower (96 dB); motorcycle at 25 ft (90 dB) Newspaper press (97 dB) 80 2 times
as loudCar wash at 20 ft (89 dB); propeller plane flyover at 1000 ft (88 dB); diesel truck 40 mph at 50 ft (84 dB); diesel train at 45 mph at 100 ft (83 dB) Food blender (88 dB); milling machine (85 dB); garbage disposal (80 dB) 70 Moderately
loudHigh urban ambient sound
(80 dB); passenger car at
65 mph at 25 ft (77 dB);
freeway at 50 ft from pavement edge 10 a.m. (76 dB)Living room music (76 dB); radio or TV-audio, vacuum cleaner (70 dB) 60 Half as
loudAir conditioning unit at 100 ft (60 dB) Cash register at 10 ft (65-70 dB); electric typewriter at 10 ft (64 dB); dishwasher (rinse) at 10 ft (60 dB); conversation (60 dB) 50 One-fourth
as loudQuiet Large transformers at 100 ft (50 dB) 40 Bird calls (44 dB); lowest limit of urban ambient sound (40 dB) 10 Just audible 0 Threshold of hearing SOURCE: Table B.1, from Federal Agency Review of Selected Airport Noise Analysis Issues, Federal Interagency Committee on Noise (August 1992). Source of the information is attributed to Outdoor Noise and the Metropolitan Environment, M.C. Branch et al., Department of City Planning, City of Los Angeles, 1970.
Copyright 2010, ILA 1624. All rights reserved. This Page Last Updated On 11/12/09, And Is Current As Of