Sound pollution


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Sound pollution

  1. 1. Presented By: Dinesh Mundle Yogesh Pande Rahul Patil Nilesh Patil Sagar Danole Sound Pollution
  2. 2. How Loud Is Too Loud ? Noise induced hearing damage is related to duration and volume of exposure Safe Exposure limit is 85 Decibels for Eight hours a day
  3. 3. Sound & Noise Sound is a form of energy which is emitted by a vibrating body and on reaching the ear causes the sensation of hearing through nerves The frequency limits of audibility are from 20 HZ to 20,000 HZ , Sounds of frequencies less than 20 HZ are called infrasonics and greater than 20,0000 HZ are called ultrasonics  The word noise is derived from the Latin term nausea. It has been defined as unwanted sound, a potential hazard to health and communication dumped into the environment with regard to the adverse effect it may have on unwilling ears
  4. 4. Elements of noise Source Path Receiver ReceiverPath Source Barrier
  5. 5. Measurement The intensity of sound is measured in sound pressure levels (SPL) and common unit of measurement is decibel, dB. The zero on a decibel scale is at the threshold of hearing, the lowest sound pressure that can be heard, on the scale. on the scale 20 db is whisper, 40 db the noise in a quiet office . 60 db is normal conversation, 80 db is the level at which sound becomes physically painful. The Noise quantum of some of the cities in our country indicate their pitch in decibel in the nosiest areas of corresponding cities, e.g. Delhi- 80 db, Kolkata - 87,Bombay- 85, Chennai-89 db etc.
  6. 6. Sources of Noise  The noise pollution has two sources, i.e. industrial and non- industrial  he industrial source includes the noise from various industries and big machines working at a very high speed and high noise intensity  Non- industrial source of noise includes the noise created by transport/vehicular traffic and the neighborhood noise generated by various noise pollution can also be divided in the categories , namely, natural and manmade
  7. 7. Sources of Noise  Road Traffic Noise  Air Craft Noise  Noise from railroads  Construction Noise  Noise in Industry  Noise in building  Noise from Consumer products
  8. 8. Noise Levels of Sources Source Noise level dB Source Noise level, dB Air compressors 95-104 Quiet garden 30 Diesel generator 95 Ticking clock 30 Milling machine 112 Computer rooms 55-60 Power operated portable saw 108 Type institute 60 Trucks 90-100 Printing press 80 Car horns 90-105 Sports car 80-95 Jet takeoff 120 Trains 96
  9. 9. Harmful Effects  Decreases The Efficiency Of A Man  Lack Of Concentration  Fatigue  Abortion Is Caused  It Causes Blood Pressure  Temporary Of Permanent Deafness  Effect On Vegetation Poor Quality Of Crops  Effect On Animal  Effect On Property  Sleeplessness
  10. 10. Control of Noise Pollution Noise Control at Source  Reducing the noise levels from domestic sectors  Maintenance of automobiles  Control over vibrations  Low voice speaking  Prohibition on usage of loud speakers  Selection of machinery  Maintenance of machines
  11. 11. Control of Noise Pollution Control in the transmission path  Installation of barriers  Design of building  Installation of panels or enclosures  Green belt development Using protection equipment  Job rotation  Exposure reduction  Hearing protection
  12. 12. Legal Control  Constitution of India  Right to Life  Right to Information  Right to Religion and Noise  Directive Principal of State Policy  Fundamental Duties  Cr.P.C. Section 133  I.P.C. Public Nuisance 268-295  Law of Torts Noise pollution is considered as civil wrong  Factories Act Reduction of Noise and Oil of Machinery  Motor Vehicle Act. Provision Relation to use of horn and change of Engine  Noise Pollution Control Rule 2000 under Environment Protection Act 1996
  13. 13. Conclusion  We have made the law relating to noise pollution but there is need to creating general awareness towards the hazardous effects of noise pollution  Particularly, in our country the people generally lack consciousness of the ill effects which noise pollution creates ad how the society including they themselves stand to beneficiary preventing generation and emission of noise pollution  The young children of impressionable age should be motivated to desist from playing with firecrackers, use of high sound producing equipments and instruments on festivals, religious and social functions, family get-togethers and celebrations etc. which cause noise pollution  state must pay its role by the support and cooperation of non- government organizations (NGOs) can also be enlisted.
  14. 14. Thank You