Noise Pollution
Synopsis
Noise is the effect on the ear, of a wave like motion of an elastic medium, caused by vibration, which impinge on the ear drum and st up a nervous disturbance. It is unwanted and undesirable sound in the wrong place and at the wrong time. Sound from various sources like buses, racing cars and trucks, silencer less motorbikes, myriad of horns, vibrating foundaries and lathes, blaring stereos and loudspeakers, the sonic boom from supersonic aircrafts and space rockets ensure shatter peace of mind and sleepless nights. Noise pollution affects human beings at three levels: Auditory effects, non-auditory effects and physiological effects. High intensity noise cause annoyance and hearing damage, stimulation of reception in skin and pain, nausea and vomiting, dizziness and insanity, and ear drum rupture. The mechanism of hearning loss result from short intense exposure which damage Organ of Corti, Surveys on prevalence of noise induced bearing loss have been done in some cities of our hearing loss have been done in some cities of our country. These surveys indicate that deafness may be due to perforation of the tympanic membrane. To save human beings from noise hazards, many countries have adopted ambient noise hazards, many countries have adopted ambient noise standards. These standards very from country to country and have been laid down in the form of recommendations, guidelines or statutory requirements. This book have been divided into 18 chapters followed by bibliography and subject index. The book should prove to be equally useful to students, researchers and professionals engaged in the field of environmental management.
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