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Transcript of Noise pollution
-What is noise pollution?
-How is sound measured?
-When does sound become noise?
-What are the causes of noise pollution?
-What is Extreme noise ?
-What are the effects of noise pollution?
-Damage to more than hearing.
What is noise pollution?
Noise pollution is any unwanted or offensive sounds that unreasonably disturb our daily lives.
How is sound measured?
-The sound pressure level is measured in decibels (dB).
-A sound level meter.
When does sound become noise?
What are the causes of noise pollution?
Some things can amplify noise
1-Mixed business/residential areas.
2-Busy roads through residential areas.
-Noise levels of 140 dB
- Noise level of 85 dB
What are the effects of noise pollution?
3-Hearing problems / deafness.
5-Productivity loss in the workplace.
6-High blood pressure.
Damage to more than hearing
4-Sound walls (concrete).
6-Standards, regulation & enforcement.
Thank You For Listening.
According to a European Union (EU) publication:
-about 40% of the population.
-20% of the population.
-more than 30% of the population.