report on monitoring of noise pollution during diwali festival, 2009

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Maharashtra Pollution Control Board 1. Introduction: Deepawali or Diwali in India is celebrated with lots of enthusiasm and happiness. This festival is also known as the 'Festival of Lights'. Fireworks are always associated with this festival. The day is celebrated with people lighting diyas, candles all around their house. Lakshmi Puja is performed in the evening to seek divine blessings of Goddess of Wealth. Diwali gifts are exchanged among all near and dear ones. The auspicious day of Diwali is decided by the moon position & according to the Hindu calendar, Amavasya or the "no moon day" is considered the perfect day for Diwali. The dark night comes after every fortnight & in the Hindu month of Kartik (October/November), it marks the festive occasion. The Diwali date holds an imperative meaning among the Hindus, since, the day is reckoned with Lord Rama's coronation ceremony as the King of Ayodhya after his return to the kingdom from 14 years of exile along with his wife Sita & brother Laxman after killing the demon, King Ravana. People celebrated this occasion by lighting diyas to drive away the darkness of amavasya. 2. Objective: The objective of this exercise is to assess the problem faced by the residents when the noise level of their surroundings exceeds the permissible limit. Young generations (students) were involved who acted as messengers on environmental awareness and explain the passerbies, who show interest in noise measurement. 3. Noise Pollution and its effect on Environment: Noise is defined as the undesirable sound. Sound which pleases the listeners is music and that which causes pain and annoyance is noise. At times what is music for some can be noise for others. To some people the roar of an engine is satisfying or thrilling and to others it may be annoying. Noise is transient; once the pollution stops, the environment is free of it. We can measure individual sounds that may damage human hearing, but it is difficult to monitor cumulative exposure to noise. The effect of noise pollution is multifaceted and inter related. The effect of noise pollution can lead to decrease in efficiency, lack of concentration, fatigue, increase in blood pressure, temporary deafness, could lead to abortion etc. 4. Noise Level Measurement and Noise Pollution Standards: A decibel is the standard for the measurement of noise. The zero on a decibel scale is at the threshold of hearing, the lowest sound pressure that can be heard. According to D.B. Smith, 20 dB is whisper, 40 dB is quiet office, 60 dB is normal conversation and 80 dB is the level at which sound becomes physically painful. Noise is measured in decibels (dBA). ‘A’ symbol indicates a measurement of a logarithmic scale. In each case, the actual measurement ‘a’ is compared to a fixed reference level ‘r’ and the “decibel” value is defined to be 10 log 10 (a/r). ‘A’ weighing filters out lower frequencies very severely. Fast responses closely match to the simulations of Human ear sensitivity. Fast response (125 to 200 milli-seconds) was selected to measure noise levels. The human response to Noise depends upon the frequency of the sound, the type of noise (continuous, intermittent or impulsive) and the time (day or night) it occurs. Noise has been recognised as ambient air pollutant. Standards in this regard are laid down under The Environment (Protection) Act, 1986 (and rules made there under) and under the Model Rules of the Factories Act, 1948 for occupational health and safety purposes. Noise Level Monitoring During Diwali Festival 2009 4
Maharashtra Pollution Control Board The Central Pollution Control Board constituted a National Committee of Experts on Noise Pollution Control. The Committee recommended noise standards for ambient air and for automobiles, domestic appliances and construction equipment, which were later notified under The Environment (Protection) Act, 1986 as given below: Area Code Category of Area Limits in dB(A) Leq Day time Night time A Industrial area 75 70 B Commercial area 65 55 C Residential Area 55 45 D Silence Zone 50 40 Note: (i) Day time is reckoned from 6 A.M. To 10 P.M. (ii) Night time is reckoned in from 10 P.M. and 6 A.M. (iii) Silence zone is referred as areas within 100 meters around premises such as hospitals, educational institutions and courts. The Silence zones are to be declared by the Competent Authority. (iv) Use of vehicular horns, loudspeakers and bursting of crackers shall be banned in these zones. (v) Mixed categories of areas should be declared as one of the four above mentioned categories by the Competent Authority and the corresponding standards shall apply. 5. Methodology of the survey: The noise pollution monitoring was carried out on 17 th & 19 th October 2009. Noise level measurement was done for 00.00 hrs to 24.00 hrs, continuosly for 24 hours; day time and night time. In the day time it was carried out from 06.00 hrs upto 22.00 hrs on the 17 th and 19 th October while in the night session it was carried out from 2200 hrs upto 0600 hrs on the 17 th and 19 th October continuosly for 24 hours. The monitoring was carried out at locations closer to the residential buildings. The main purpose of this exercise was to determine how the environment is disturbed and what effect it has on a normal human being residing in that area or closer to the area. 6. Detailed list of location: There were a total of 115 locations covered during Diwali festival in Maharashtra. The detailed list of location is as follows:- Sr. No. City Location I Mumbai South Colaba Mantralaya Mazgaon Girgaon Worli Prabhadevi Mahim Parel Byculla Dadar Sion Hindu Colony Matunga Kamathipura Malabar Hills Noise Level Monitoring During Diwali Festival 2009 5
Page 1 and 2: REPORT ON MONITORING OF NOISE POLLU
Page 3: CONTENTS Maharashtra Pollution Cont
Page 7 and 8: VIII Ambernath IX Ulhasnagar X Nash
Page 9 and 10: Maharashtra Pollution Control Board
Page 11 and 12: Values in dB(A) 110 100 90 80 70 60
Page 21 and 22: IV. Navi Mumbai: Maharashtra Pollut
Page 27 and 28: VI. Pune: Maharashtra Pollution Con
Page 31 and 32: VII. Nashik: Maharashtra Pollution
Page 37 and 38: IX. Nagpur: Maharashtra Pollution C
Page 43 and 44: XI. Dombivali: Maharashtra Pollutio
Page 51 and 52: XIV. Kolhapur: Maharashtra Pollutio
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Maharashtra Pollution Control Board
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Page 61 and 62:
Annexure 1: Definitions Maharashtra
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Glimpse Of The Event: Mr. Rajkumar
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Mr. Hatwar At Shankarnagar, Nagpur
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report on monitoring of noise pollution during diwali festival, 2009

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