Name four factors that affect the level of risk associated with noise hazards
What will be an ideal response?
A number of different factors affect the risk of hearing loss associated with exposure to excessive noise. The most important of these are:
• Intensity of the noise (sound pressure level)
• Type of noise (wide band, narrow band, or impulse)
• Duration of daily exposure
• Total duration of exposure (number of years)
• Age of the individual
• Coexisting hearing disease
• Nature of environment in which exposure occurs
• Distance of the individual from the source of the noise
• Position of the ears relative to the sound waves
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