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NOISE pollution
SUBMITTED BY:-
ESHAN MAHESHWARI
500034862
MBA (OIL & GAS)
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The introduction into the environment, by people, ofsubstances or energy liable to cause harm to living creatures or
ecological systems
POLLUTION
Pollution
AIR
POLLUTION
WATER
POLLUTION
LAND
POLLUTION
NOISE
POLLUTION
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Noise Pollution:
Any unwanted sound that penetates the en!ion"ent is noise
pollution# In $eneal noise pollution e%es to any noise iitatin$ toone&s ea whi'h 'o"es %o" an e(tenal sou'e#
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Sou'es o% Noise Pollution
•
Street traffic
• Rail roads
• Airplanes
• Constructions
• Consumer products
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Le!el o% Tolean'e
• Normal level of tolerance is 8dbA!
• Sound level belo" and above this is considered to be as
noise pollution!
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E%%e'ts o% Noise Pollution
• There are about #$ hair cells in our ear "hich create "ave in our
ear, responding to different levels of fre%uencies!
• &ith increasing levels of sound the cells get destroyed decreasing our
ability to hear the high fre%uency sound!
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Be )autious *o" Today
• 'rreversible hearing loss!
• (lood pressure rise of $ to ) mm*g on 8 hrs of e+posure to even
db of sound level!
• *earing loss begins at 8- . dbA! )/ dbA is painful and )8 dbA
can even 0ill a person!
• Amplified roc0 music is )# dbA!
•1ost of the electronic vehicles and motors are above 8 dbA level!
• *igh noise levels may interfere "ith the natural cycles of animals,
including feeding behavior, breeding rituals and migration paths!
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Sy"pto"s o% O''upational +eain$
Loss• 2eeling of fullness in the ear!
• Sounds may seem muffled!
• Cannot hear high fre%uency sounds!
• Ringing in the ears "hile listening to the high fre%uency sounds!
• 3oud noise for a long period of time, or sudden burst of sound can
cause occupational hearing loss!
• *earing that does not return after an acute noise in4ury is called a permanent threshold shift!
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A'tions Ta,en and To Be Ta,en
• There are a variety of effective strategies for mitigating adverse sound
levels
• use of noise barriers!
•
limitation of vehicle speeds
• alteration of road"ay surface te+ture!
• limitation of heavy duty vehicles
• use of traffic controls that smooth vehicle flo" to reduce bra0ing and
acceleration, innovative tire design and other
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T+AN
YOU