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RECOMMENDED NOISE STANDARD

Recommended Noise Standard - Based on the recent ILO code of practice the following standards and guidelines are provisionally recommended for attainment, as far as 

practicable :

- A warning limit value of 85 dB(A) may be set as the level below which very little risk to 

an unprotected ear, of hearing impairment exits for an eight hour exposure.

- The danger limit value shall be 90 dB(A), above which the danger of hearing 

impairment and deafness may result from and unprotected ear.

- A worker should not be allowed to enter, without appropriate ear protection, in area in 

which the noise level is 115 dB(A) or more.

- Personal protective equipment shall be worn, if there are single isolated outbursts of 

noise which can go above 130 dB(A) Impulse or 120 dB(A) Fast.

- No worker shall be allowed to enter an area where the noise level exceed 140 dB(A).