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Noise pollution
Noise pollution
WWHHAATT IISS NNOOIISSEE PPOOLLLLUUTTIIOONN?? 
NNooiissee ppoolllluuttiioonn ((oorr eennvviirroonnmmeennttaall 
nnooiissee)) iiss ddiisspplleeaassiinngg hhuummaann,, aanniimmaall oorr 
mmaacchhiinnee ccrreeaatteedd ssoouunndd tthhaatt ddiissrruuppttss tthhee 
aaccttiivviittyy oorr bbaallaannccee ooff hhuummaann oorr aanniimmaall lliiffee.. 
TThhee wwoorrdd nnooiissee ccoommeess ffrroomm tthhee LLaattiinn wwoorrdd 
nnaauusseeaa mmeeaanniinngg sseeaassiicckknneessss..
IT’S SOURCES 
The sour ce of most out door noise wor ldwide is: 
• Tr anspor t at ion Syst ems: mot or vehicle noise, 
• air cr af t noise and r ail noise. 
• Poor ur ban planning may give r ise t o noise 
pollut ion. 
• Ot her sour ces: of indoor and out door noise 
pollut ion ar e car alarms, emer gency ser vice 
sir ens, of f ice equipment , f act or y machiner y, 
const r uct ion wor k, gr ounds keeping equipment , 
bar king dogs, appliances, power t ools, light ing 
hum, audio ent er t ainment syst ems, loudspeaker s,
MEASUREMENT 
A DECIBEL is the standard for the 
measurement of noise. The zero on a decibel 
scale is at the threshold of hearing. 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.
Human Health 
Effects Noise health effects are both health and 
behavioral in nature. The unwanted sound 
is called noise. This unwanted sound can 
damage physiological and psychological 
health. Noise pollution can cause: 
• Annoyance and aggression: behavioural 
changes 
• Hypertension: health problems 
• High stress levels: health problems 
• Tinnitus: forgetfulness,serve depression 
and panic attacks
HUMAN HEALTH 
EFFECTS(contd.) 
• Chronic exposure: hearing loss 
• Sleep disturbances and other harmful 
effects. 
• Cardiovascular effects 
• Statistical rise in blood pressure 
• Vasoconstriction leading to the increased 
blood pressure 
• Increased incidence of coronary artery 
disease.
Environmental Ef f ects 
Noise can have a detrimental effect on 
animals: 
• By causing stress. 
• Increasing risk of death by changing 
the delicate balance in predator/prey 
detection and avoidance. 
• By interfering with their use of sounds 
in communication especially in 
relation to reproduction and in 
navigation. 
• Acoustic overexposure can lead to 
temporary or permanent loss of 
hearing. 
• May cause endangered species to 
become extinct. One of the best known 
cases of damage caused by noise 
pollution is the death of certain 
species of beached whales, brought on 
by the loud sound of military sonar.
Mitigation 
the sound tube in Melbourne, 
australia, is designed to reduce 
roadway noise without detracting 
froM the area's aesthetics.
Noise Control 
Technology to mitigate or remove noise can be applied as follows: 
• There are a variety of strategies for mitigating roadway noise 
including: 
• Use of noise barriers, limitation of vehicle speeds 
• Alteration of roadway surface texture 
• Limitation of heavy vehicles 
• Use of traffic controls that smooth vehicle flow to reduce braking and 
acceleration 
• Tire design. 
• Costs of building-in mitigation can be modest, provided these solutions 
are sought in the planning stage of a roadway project.
NNOOIISSEE LLAAWWSS 
NNooiissee llaawwss aanndd oorrddiinnaanncceess vvaarryy wwiiddeellyy aammoonngg 
mmuunniicciippaalliittiieess aanndd iinnddeeeedd ddoo nnoott eevveenn eexxiisstt iinn ssoommee 
cciittiieess.. MMaannyy ccoonnfflliiccttss oovveerr nnooiissee ppoolllluuttiioonn aarree 
hhaannddlleedd bbyy nneeggoottiiaattiioonn bbeettwweeeenn tthhee eemmiitttteerr aanndd tthhee 
rreecceeiivveerr.. EEssccaallaattiioonn pprroocceedduurreess vvaarryy bbyy ccoouunnttrryy,, 
aanndd mmaayy iinncclluuddee aaccttiioonn iinn ccoonnjjuunnccttiioonn wwiitthh llooccaall 
aauutthhoorriittiieess,, iinn ppaarrttiiccuullaarr tthhee ppoolliiccee.. NNooiissee ppoolllluuttiioonn 
oofftteenn ppeerrssiissttss bbeeccaauussee oonnllyy ffiivvee ttoo tteenn ppeerrcceenntt ooff 
ppeeooppllee aaffffeecctteedd bbyy nnooiissee wwiillll llooddggee aa ffoorrmmaall 
ccoommppllaaiinntt.. MMaannyy ppeeooppllee aarree nnoott aawwaarree ooff tthheeiirr lleeggaall 
rriigghhtt ttoo qquuiieett aanndd ddoo nnoott kknnooww hhooww ttoo rreeggiisstteerr aa 
ccoommppllaaiinntt..
LASTWORDS 
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 target area should be educational 
institutions and more particularly school. The young 
children of impressionable age should be motivated to 
desist from playing with firecrackers, use of high 
sound producing equipments and instruments on
MMaaddee BByy-- 
SSoommyyaa TTyyaaggii 
VViiiiii NNiisshhaaaatt
Noise pollution

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Noise pollution

  • 3. WWHHAATT IISS NNOOIISSEE PPOOLLLLUUTTIIOONN?? NNooiissee ppoolllluuttiioonn ((oorr eennvviirroonnmmeennttaall nnooiissee)) iiss ddiisspplleeaassiinngg hhuummaann,, aanniimmaall oorr mmaacchhiinnee ccrreeaatteedd ssoouunndd tthhaatt ddiissrruuppttss tthhee aaccttiivviittyy oorr bbaallaannccee ooff hhuummaann oorr aanniimmaall lliiffee.. TThhee wwoorrdd nnooiissee ccoommeess ffrroomm tthhee LLaattiinn wwoorrdd nnaauusseeaa mmeeaanniinngg sseeaassiicckknneessss..
  • 4. IT’S SOURCES The sour ce of most out door noise wor ldwide is: • Tr anspor t at ion Syst ems: mot or vehicle noise, • air cr af t noise and r ail noise. • Poor ur ban planning may give r ise t o noise pollut ion. • Ot her sour ces: of indoor and out door noise pollut ion ar e car alarms, emer gency ser vice sir ens, of f ice equipment , f act or y machiner y, const r uct ion wor k, gr ounds keeping equipment , bar king dogs, appliances, power t ools, light ing hum, audio ent er t ainment syst ems, loudspeaker s,
  • 5. MEASUREMENT A DECIBEL is the standard for the measurement of noise. The zero on a decibel scale is at the threshold of hearing. 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. Human Health Effects Noise health effects are both health and behavioral in nature. The unwanted sound is called noise. This unwanted sound can damage physiological and psychological health. Noise pollution can cause: • Annoyance and aggression: behavioural changes • Hypertension: health problems • High stress levels: health problems • Tinnitus: forgetfulness,serve depression and panic attacks
  • 7. HUMAN HEALTH EFFECTS(contd.) • Chronic exposure: hearing loss • Sleep disturbances and other harmful effects. • Cardiovascular effects • Statistical rise in blood pressure • Vasoconstriction leading to the increased blood pressure • Increased incidence of coronary artery disease.
  • 8. Environmental Ef f ects Noise can have a detrimental effect on animals: • By causing stress. • Increasing risk of death by changing the delicate balance in predator/prey detection and avoidance. • By interfering with their use of sounds in communication especially in relation to reproduction and in navigation. • Acoustic overexposure can lead to temporary or permanent loss of hearing. • May cause endangered species to become extinct. One of the best known cases of damage caused by noise pollution is the death of certain species of beached whales, brought on by the loud sound of military sonar.
  • 9. Mitigation the sound tube in Melbourne, australia, is designed to reduce roadway noise without detracting froM the area's aesthetics.
  • 10. Noise Control Technology to mitigate or remove noise can be applied as follows: • There are a variety of strategies for mitigating roadway noise including: • Use of noise barriers, limitation of vehicle speeds • Alteration of roadway surface texture • Limitation of heavy vehicles • Use of traffic controls that smooth vehicle flow to reduce braking and acceleration • Tire design. • Costs of building-in mitigation can be modest, provided these solutions are sought in the planning stage of a roadway project.
  • 11. NNOOIISSEE LLAAWWSS NNooiissee llaawwss aanndd oorrddiinnaanncceess vvaarryy wwiiddeellyy aammoonngg mmuunniicciippaalliittiieess aanndd iinnddeeeedd ddoo nnoott eevveenn eexxiisstt iinn ssoommee cciittiieess.. MMaannyy ccoonnfflliiccttss oovveerr nnooiissee ppoolllluuttiioonn aarree hhaannddlleedd bbyy nneeggoottiiaattiioonn bbeettwweeeenn tthhee eemmiitttteerr aanndd tthhee rreecceeiivveerr.. EEssccaallaattiioonn pprroocceedduurreess vvaarryy bbyy ccoouunnttrryy,, aanndd mmaayy iinncclluuddee aaccttiioonn iinn ccoonnjjuunnccttiioonn wwiitthh llooccaall aauutthhoorriittiieess,, iinn ppaarrttiiccuullaarr tthhee ppoolliiccee.. NNooiissee ppoolllluuttiioonn oofftteenn ppeerrssiissttss bbeeccaauussee oonnllyy ffiivvee ttoo tteenn ppeerrcceenntt ooff ppeeooppllee aaffffeecctteedd bbyy nnooiissee wwiillll llooddggee aa ffoorrmmaall ccoommppllaaiinntt.. MMaannyy ppeeooppllee aarree nnoott aawwaarree ooff tthheeiirr lleeggaall rriigghhtt ttoo qquuiieett aanndd ddoo nnoott kknnooww hhooww ttoo rreeggiisstteerr aa ccoommppllaaiinntt..
  • 12. LASTWORDS 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 target area should be educational institutions and more particularly school. The young children of impressionable age should be motivated to desist from playing with firecrackers, use of high sound producing equipments and instruments on
  • 13. MMaaddee BByy-- SSoommyyaa TTyyaaggii VViiiiii NNiisshhaaaatt