Noise pollution


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Noise pollution is the most targeted disease causing factor in today's busy life. Physiological, psychological, behavioural effects are described in the presentation.

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Noise pollution

  1. 1. Need for Active Research study Presented by Dr. Sudhakar Kokate Director PPRC, India
  2. 2. Prediction A time is likely to come When Man will die Due to Sheer “ ” Robert Koch German Nobel Laureate Early 20th century PPRC/INDIA01
  3. 3. Facts of Noise Mumbai, India is the noisiest city in the world ……….. Central Pollution Control Board (CPCB) Survey 2011 Deafness is on the rise in India One in every 12 people is deaf ……… Indian Council of Medical Research (ICMR) “Noise” has become a major pollutant and great nuisance these days PPRC/INDIA 02
  4. 4. Facts of Noise Noise = Unwanted sound, now a public enemy The environment gets contaminated which adversely affects health and ill-effects are seen in living as well as non-living things Sound = a form of energy giving the sensation of hearing produced by longitudinal mechanical waves in matter Decibel = unit for measuring noise intensity PPRC/INDIA 03
  5. 5. Sources of Noise INDUSTRIAL SOURCES - Due to machines, big and small  NON-INDUSTRIAL SOURCES - Loudspeakers - Construction work - Automobile - Radio & Microphone - Trains - Satellite launches - Aircrafts - Mobiles PPRC/INDIA 04
  6. 6. Physiological Effects Heart attack – cardiac injury Tension – BP Ulcer Loss of hearing Occupational deafness Noise-induced diseases Miscarriages and abortions in women PPRC/INDIA 05
  7. 7. Physiological Effects Stomach disorders Acidity Congenital defects in unborn children Sleep disturbance : poor quality of work increased irritability aggressive social behaviour may cause accident PPRC/INDIA 06
  8. 8. Psychological Effects (VARIES ACCORDING TO INDIVIDUALS) Interruption in speech communication Muscle tension Nervous irritability Increased strain PPRC/INDIA 07
  9. 9. Learning disability Nervousness Birth defects, still births, low weight in new born babies Foetal development is severely hampered Behavioural Effects PPRC/INDIA 08
  10. 10. Personological Effects Disturbing total personality make-up Low level of performance in children Feeling of inadequacy Lack of confidence Poor perception of one’s own self PPRC/INDIA 09
  11. 11. Effects of Noise on Animals Experimental animals : rats, chinchillies, dogs, pigs and cats Disturbance in – hearing mechanism blood chemistry stress response In poultry : Adverse effect on egg production Higher animals : fatigue, irritation, wild nature is enhanced, habit of shouting PPRC/INDIA 10
  12. 12. Causes cracks in - building - stones - earth / land Breaking of glass, chinaclay, mud vessels due to sudden loud noise Damage to furniture – ages faster Damage to paintings and antique pieces Effects on Non-living things PPRC/INDIA 11
  13. 13. Engineering control techniques Limitation of personnel exposure time Substitution of quieter equipment Process control Legal control provisions in Constitution of India in Articles 39 (e), 47, 48 A, 51-A (6) Bio-control machinery to be implemented How to control Noise pollution?? PPRC/INDIA 12
  14. 14. “BE WITH US”