- Statutory/Personal noise dosimetry/85 dB(A)
- Statutory/Personal noise dosimetry/90 dB(A)
- Mandatory/Personal noise dosimetry/85 dB(A)
- All of the above
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
Noise mapping should be made Mandatory of various work places in the mine premises based on the various machines being used in the concerned mines along with Personal noise dosimetry of individual workmen exposed to noise level 85 dB(A)
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