Noise

Question 1

What is the LEAV?

Answer 1

80dB(A) for daily / weekly

135dB(C) for peak

Question 2

What is the UEAV?

Answer 2

85dB(A) for daily / weekly

137dB(C) for peak

Question 3

What is the ELV?

Answer 3

87dB(A) for daily / weekly

140dB(C) for peak

Question 4

What factors should be considered when assessing a noise risk?

Answer 4

Noise level

Frequency

Duration

Type of noise

Path

Number of employees

Environmental factors

Question 5

What are some controls at source?

Answer 5

Elimination
Substitution
Change of process
Automation
Preventative maintenance
Turning off when not in use
Relocation
Reduce impact
Silencers
Vibration damping

Question 6

What are controls at transmission?

Answer 6

Increase distance
Remote control
Loudest part facing away
Insulation
Absorption
Vibration isolation
Barriers
Rest area
Automation

Question 7

What are controls at the receiver?

Answer 7

Limit exposure time
Rotate staff
IITS
PPE

Question 8

What other health issues are related to hearing loss?

Answer 8

Cardiovascular disease
Alzheimer’s and dementia
Diabetes
Hospitalisation
Mortality
Chronic kidney disease
Falling
Depression