Monday, July 16, 2012

Noise Pollution Source and the level of Noise (dB)

This is the source and level of each sound that mostly produce a noise pollution


Noise Sources
Noise Levels (dB)

Industrial
Near large gas regulator, as high as
150
Foundry shake-out floor, as high as
128
Automobile assembly line, as high as
125
Large cooling tower (600’ listening distance)
120-130
Construction

Bulldozer (10’ listening distance)
90-105
Oxygen jet drill in quarry (20’ listening distance)
128
Rock drill (jumbo)
122

Transportation

Jet takeoff (100’ listening distance)
130-140
Diesel Truck (200’ listening distance)
85-110
Passenger Car (25’ listening distance)
70-80
Subway (heard from in car or on platform), as high as
110

Community


Heavy Traffic, business area, as high as
110
Pneumatic pavement-breaker (25’ listening distance)
92-98
Power lawn mower (5’listening distance), as high as
95
Barking dog (250’ listening distance), as high as
65

Household


Hi-fi in living room, as high as
125
Kitchen blender
90-95
Electric shaver, in use
75-90

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