SOME CASES OF HIGH LEVELS OF POLLUTION HEARING ...
dB long term.
60 Annoying TV
High 80 Noisy motorcycle or Truck Sirena territories Mild.
150 of dislike to irreversible disease in the auditory system. The sound pressure level, as I mentioned earlier, is measured in decibels (dB: dB). As stipulated by the World Health Organization, the recommended tolerance limit is 65 dB. Still, the noise or sound pressure becomes harmful to a painful close to 75 dB to 120 dB. And it can cause death when it reaches 180 dB.
When the ear is at exposures of 100 dB (noisy club) for no more than two hours, you need more than 16 hours of rest to compensate. Sounds over 120 dB (loud rock band or high volume in headphones) can cause serious damage the cells sensitive to sound, causing hearing loss.
In conclusion, noise pollution are present loud sounds (noise) and any type of sound frequencies that affect human health. In this sense, the consequences, causes and all types of event that generates noise, such as bars, nightclubs, rock bands, industrial machinery, shopping, transportation, etc. Are examined and are within the field of noise pollution.
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