International Noise Awareness Day- Wednesday, 26th April, 2017

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International Noise Awareness Day- Wednesday, 26 th April, 2017

"The sound environment is the responsibility of everybody"

Communities Urged to "Protect Their Hearing, Protect Their Health" on International Noise Awareness Day, Wednesday, April 26, 2017

International Noise Awareness Day under theme “Noise Pollution” provides the opportunity once on the last Wednesday of April of every year aiming to raise awareness of noise on the welfare and health of people . Noise affects people in many ways, but only deafness and annoyance receive actual interest from the general public. Worldwide, People are called upon to take part via various actions on this occasion: open days on hearing from acousticians, lectures in public health departments, universities and schools, panels of experts, noise level measuring actions, and readings.

One day workshop on Noise Pollution was held in CSIR-National Physical Laboratory, New Delhi on April 26, 2017 which was organized by the CSIR-National Physical Laboratory (CSIR-NPL) and the Acoustical Society of India (ASI).

CSIR-National Physical Laboratory (CSIR-NPL), the   "National Measurement Institute" (NMI) of the country, the custodian of "National Standards" with the responsibility of dissemination of measurements to the needs of country - organized a one day workshop on the effects of Noise Pollution on the Human Health. The workshop was inaugurated by Dr. D.K. Aswal, Director CSIR-NPL.

The workshop aimed to understand and spread awareness on effects of noise pollution on human behaviours. Workshop was attended by more than 500 participants including scientists/Engineers from CSIR-NPL and various State Pollution Control Board, Ph. D. students and students from Delhi Schools. Eminent experts from CSIR-NPL, CPCB, leading academic institutions and universities were delivered lectures on noise pollutions includes traffic noise, airport noise, industrial, fire crackers and diesel generator noise, etc.

Dr. D. K. Aswal, Director, CSIR-NPL, and Chairman, National Committee for Noise Pollution Control (NCNPC), delivered a popular lecture in the CSIR-NPL auditorium.

Dr. Aswal emphasized on the below mentioned permissible exposure limits of noise to strictly follow for the welfare and health of the people.

 

Category of Area/Zone Limits in dB(A), Leq
Day Time Night Time
Industrial area 75 70
Commercial area 65 55
Residential area 55 45
Silence Zone 50 40
Day time: 6.00 AM to 10.00 PM & Night time: 10.00 PM to 6.00 AM

 


 

He explained how the sound and noise are generated, how they are measured and the impact of continuous high intensity sound on the health of human being. He explained that the sound and vibration, on reaching to human ear are converted to electrical signal, which are fed to the brain. Living in a continuous noisy place can harm the people health. Moreover, he also reported that continuous exposure to noise above 85 decibels is harmful to hearing as per guideline of OSHA (Occupational Safety and Health Administration). Documented research has found that noise does not have to be that loud to lead to physiological changes in blood pressure, sleep, digestion and other stress-related disorders

Dr. Aswal also reminded the quote of Nobel Prize – winning bacteriologist, Robert Koch

"The day will come when man will have to fight noise as inexorably as cholera and the plague."

 

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