Noise is often defined as „sound which is undesired
by the recipient‟.
The most common definition of noise is "unwanted so...
SOUND
I. Pleasant to hear
II.Constant pitch
III.Regular periodic
motion
IV.Produces
meaningful
communication
V. Unit is He...
Noise which is produced by irregular
vibrations is considered hazardous
because it adversely affects
wildlife, human activ...
The noise pollution is a type of energy pollution in which
distracting, damaging or irritating sounds are freely
audible. ...
Transportation
• Road
traffic
• Rail
traffic
• Air traffic
Consumerproducts
•Vacuum
cleaner
•Generator
•Boiler
•Kitchen
ve...
Domesticandneighborhoodnoise
•Consumer
products and
home
appliances
•Barking dogs
•Plumbing
•Lawn mowers
•Parks
•Streets
•...
Noise Measurement
Noise Measurement
Noise Measurement
Noise Measurement
RANGE OF LOUDNESS ( in dB ) FEELING
0 silence
1-10 Just audible
10-30 Very quiet
30-50 quiet
50-70 Moderately loud
70-90 V...
Damaging levels of noise
1.Headache, fatigue, sleep disturbances , insomnia , tinnitus
2.Damages eardrum, impaired hearing
3.Affects cardio vascula...
Anxiety ,stress ,fright , nervousness
, hypertension, annoyance , mood
swings, despair, discontent, phobias, anti-
social
...
It is well known to all
that plants are similar
to human being. They
are also as sensitive
as man. There should
be cool & ...
INTRODUCTION:
Noise pollution in urban cities is a serious problem and steadily increasing over the years. This has direct...
1. Use of better automobile
silencers
2. Reduction in braking and
acceleration by ensuring
smooth traffic flow
3. Use of n...
I. Insulator usually employed in theatre and cinemas are curtain to avoid
the formation of echo during theatrical performa...
Factories Act 1948:The Factories Act does not contain any specific
provision for noise control. However, under the Third S...
Criminal Procedure Code (Cr.P.C.) 1973:Under Cr.P.C.
Section 133, the magisterial court has been empowered
to issue order ...
Environmental Protection Act 1986:
As per rule 3(1) and 4 (1) of this act, Ambient Air Quality Standards in respect of noi...
 trim bushes or shrubs by hand, don't use a noisy bush trimmer.
 Sound proof rooms that might have music conducted in th...
noise pollution
noise pollution
noise pollution
noise pollution
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noise pollution

  1. 1. Noise is often defined as „sound which is undesired by the recipient‟. The most common definition of noise is "unwanted sound." A sound might be unwanted because it is: Loud Unpleasant or annoying Intrusive or distracting The word „Noise‟ descends from a Latin word “nausea” meaning „seasickness‟.
  2. 2. SOUND I. Pleasant to hear II.Constant pitch III.Regular periodic motion IV.Produces meaningful communication V. Unit is Hertz (Hz) VI. Hz= cycle/sec. NOISE I. Unpleasant to hear II.Constantly varying pitch III.No regular periodic motion IV.Produces no meaningful communication V. Unit is decibel (dB) VI. dB=10 log(intensity measured/reference intensity)
  3. 3. Noise which is produced by irregular vibrations is considered hazardous because it adversely affects wildlife, human activities depending upon it’s intensity and duration of exposure .It is also capable of damaging physical structures on a regular, repeating basis. The quality of noise is determined by its frequency and loudness. The more the quality the more the noise. Noise is an underrated environmental problem because of the fact that we can’t see, smell, or taste it . World Health Organization stated that “Noise must be recognized as a major threat to human well-being”
  4. 4. The noise pollution is a type of energy pollution in which distracting, damaging or irritating sounds are freely audible. As with other forms of energy pollution , noise pollution contaminants are not physical particles but waves which interfere with naturally occurring waves of a similar type in the same environment. In simple words, noise pollution can be defined as “ Too much noise in our surroundings that disrupts normal conditions of the environment in a certain area.”
  5. 5. Transportation • Road traffic • Rail traffic • Air traffic Consumerproducts •Vacuum cleaner •Generator •Boiler •Kitchen ventilators •Televisions •Car horns •Loudspeaker •Air conditioners •Coolers •Dryers •Food mixers •Grinders •Washing machines •fans Industrial+commercialsources •Printing press •Machines •Mining operations •Bull dozers •Drillers •Dynamites to break rocks •Compressors •Generators •Furnaces •Grinding mills •Release valves •Exhaust fans •Cranes •Air conditioning systems Constructionsites • Crane • Cement mixer • Bull dozer • Tractors • Tar loaders • Excavations • Renovation • Road work • Building houses • Demolitions
  6. 6. Domesticandneighborhoodnoise •Consumer products and home appliances •Barking dogs •Plumbing •Lawn mowers •Parks •Streets •Market place Socialevents • Discos • Gigs • Places of worship • Parties • Election rally • Bursting firecrackers Musicalinstruments • Drums • Stereos • Loudspeaker s • Earphones • IPods • Piano • Violin • Concert arena • festivals Naturalsources •Ocean waves, wind waves- acoustic sounds •Seismic movement- noise by vibrations •Electromagn etic field of earth-Noise associated with electromagn etic interference
  7. 7. Noise Measurement
  8. 8. Noise Measurement
  9. 9. Noise Measurement
  10. 10. Noise Measurement
  11. 11. RANGE OF LOUDNESS ( in dB ) FEELING 0 silence 1-10 Just audible 10-30 Very quiet 30-50 quiet 50-70 Moderately loud 70-90 Very loud 90-120 uncomfortable 120-180 painful
  12. 12. Damaging levels of noise
  13. 13. 1.Headache, fatigue, sleep disturbances , insomnia , tinnitus 2.Damages eardrum, impaired hearing 3.Affects cardio vascular system, increased rate of heartbeat, increased vasoconstriction leading to rise in B.P., coronary artery disease, risk of myocardial infraction 4.Affects digestive system, triggers stomach disorders, digestive spasms, stomach ulcers, damages liver 5.Dilation of pupil of eye 6.Affects nervous system, decreases work efficiency, hinders proper communication, behavior and peace of mind, speech problems, rise in adrenalin levels 7.affects embryo in mother’s uterus, causes abortion, birth defects( low weight, harelip, cleft palate, spine defects) 8.Affects endocrine system, increases cholesterol elevates vertigo, causes injury to tympanic membrane, poor cognitive function, dysgraphia
  14. 14. Anxiety ,stress ,fright , nervousness , hypertension, annoyance , mood swings, despair, discontent, phobias, anti- social behavior, irritability, aggression, lack of concentration Psychological impact on humans
  15. 15. It is well known to all that plants are similar to human being. They are also as sensitive as man. There should be cool & peaceful environment for their better growth. Noise pollution causes poor quality of crops in a pleasant atmosphere. 1.Increased risk of death 2.Loss of hearing 3.Reduction of usable noise free habitat resulting in extinction of endangered species 4.Hormone Imbalance 5.Chronic Stress 6.Panic & Escape Behavior 7.Abandonment of Offspring 8.Injury 9. Increase in Loudness of Inter species communication . Loud noise is very dangerous to buildings, bridges and monuments. It creates waves which struck the walls and put the building in danger condition. It weakens the edifice of buildings
  16. 16. INTRODUCTION: Noise pollution in urban cities is a serious problem and steadily increasing over the years. This has direct and indirect affect to the people that can lead to the health hazard. OBJECTIVES: To find out environmental noise induced health effect on people residing in an urban community and to predict the risk of the environmental noise induced hearing loss. MATERIAL AND METHODS: One hundred fifty questionnaires were filled up for the environmental noise pollution survey. For the case control study, 36 exposed and 25 non-exposed residents of Kupondole were included. Based on the place of residence (main road and 20 min. walking distance from the main road), subjects were divided into exposed and non-exposed group concerning environmental noise. Demographic data and information about health problems was obtained by a structured interview. Audiometric test was performed using manual audiometer. Odds ratios (OR) and their 95% confidence intervals (95% CI) for noise induced hearing loss were estimated using logistic regression. Adjustment for occupational noise was done. RESULTS: The major health effect induced by the environmental noise was observed as lack of concentration followed by irritation, fatigue and headache. The crude OR and 95% CI for the exposed subjects was 4.2 (1.4, 12). After adjustment for occupational noise, the OR (95% CI) was 4.0 (1.2, 13). CONCLUSION: This study shows that exposure to noise causes wide range of health effects. For the exposed subjects there was an increased risk of noise induced hearing loss. The risk was significantly increased also after adjusting for occupational noise.
  17. 17. 1. Use of better automobile silencers 2. Reduction in braking and acceleration by ensuring smooth traffic flow 3. Use of noise barriers 4. Use of horns with jarring sounds to be banned 1. Use of quieter jet engines 2. Alternating flight paths and time of day runway1. Redesign industrial equipment 2. Screens and enclosures around machinery to obstruct noise path. 3. Construction of sound proof rooms for noisy machines. 4. Use shock absorbing materials. 5. Use white noise machine 6. Use mufflers or noise reducers 7. Location of factories to be away from settlements. 8. Use earpiece for workers
  18. 18. I. Insulator usually employed in theatre and cinemas are curtain to avoid the formation of echo during theatrical performance. II. Law to be enforced to check misuse of loudspeakers and public announcement systems. III. To enforce silence zones near schools , colleges and hospitals. IV. Regular automobile servicing V. Use of double glazed glass for doors and windows VI. Planting of green tress to absorb noise. VII. Construction of sound barrier between settlements and noisy highway. VIII.Increasing awareness Education through films and newspapers about the hazards of noise pollution IX. Sound proofing to doors walls ceilings to decrease level of noise X. . Protection of exposure by using ear plugs and ear muffs. Legislation to restrict the use of loud speakers etc.
  19. 19. Factories Act 1948:The Factories Act does not contain any specific provision for noise control. However, under the Third Schedule Sections 89 and 90 of the Act, noise induced hearing loss, is mentioned as notifiable disease. Similarly, under the Modal Rules, limits for noise exposure for work zone area have been prescribed. Motor Vehicle Act 1939:In Motor Vehicle Act, rules regarding use of horns and any modification in engine to reduce noise levels are made. Air (Prevention and Control of Pollution) Amendment Act, 1987:The word noise was inserted under the definition of air pollutants by the Air (Prevention and Control of Pollution) Amendment Act. Indian Pénal code (I.P.C.) Public Nuisance 268-295:Chapter IV of Indian Penal code deals with offences relating to public health, safety, decency , morals under Sections 268, 269, 270, 279, 280, 287, 288, 290 291 294. Noise pollution can be penalized with the help of above section.
  20. 20. Criminal Procedure Code (Cr.P.C.) 1973:Under Cr.P.C. Section 133, the magisterial court has been empowered to issue order to remove or abate nuisance caused by noise pollution. Section 133 empower an executive magistrate to interfere and remove a public nuisance in the first instance with a conditional order and then with a permanent one. The provision can be utilized in case of nuisance of environment nature. For prevention of danger to human life, health or safety the magistrate can direct a person to abstain from certain acts. Constitution of India:Right to Life: - Article 21 of the Constitution guarantees life and personal liberty to all persons. It is well settled by repeated pronouncements of the Supreme Court that right to life enshrined in Article 21 is not of mere survival or existence. It guarantees a right of persons to life with human dignity. Any one who wishes to live in peace, comfort and quiet within his house has a right to prevent the noise as pollutant reaching him.
  21. 21. Environmental Protection Act 1986: As per rule 3(1) and 4 (1) of this act, Ambient Air Quality Standards in respect of noise of different categories of areas have been mentioned. These standards are as follows. Area code Category of Area/Zone 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
  22. 22.  trim bushes or shrubs by hand, don't use a noisy bush trimmer.  Sound proof rooms that might have music conducted in them, like a room with a piano or if someone in the house plays drums or guitar or whatever. This can be done simply with curtains, window inserts, carpeting, and closing windows and doors.  Don't blast music on the radio or computer or speakers. Be considerate of your own ears and those of other around you.  Don't slam doors / car doors, close them easily and with only as much force as needed. People don't usually think of this, but imagine - how loud is it when you slam your car door? Pretty tolerable. But imagine thousands of people doing so. Now that can start to get loud.  Turn off the TV or radio when you aren't actually fully listening to it.  Train your dog not to bark so much.  Don't yell. Have civil conversations. Call someone or go find them instead of yelling across the street for them, for example.  Plant trees and bushes around you house. They help keep the air clean, absorb sound, give privacy, and add nice design and looks to a house.  Do noisy things (dishes, hammering, ect.) over or on a rubber mat to reduce noise.  Put carpets, rugs, mats, throw rugs, ect. in your house / mats outside.  Put fabric window coverings instead of plastic or wooden shades / blinds.  Don't rev up a motorcycle or car unless it is actually needed for the drive.  Don't beep your car horn "just because", make sure it is a legitimate reason.

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