- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
140 dB (A)
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
115 dB (A)
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
120 dB (A)
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
130 dB (A)
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
90 dB (A)
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
Little risk to unprotected ear for 8 hrs. exposures 85 dB(A)
- 85 dB (A)
- 90 dB (A)
- 115 dB (A)
- All of the above
Warning limit of noise.
85 dB (A)
90 dB (A)
115 dB (A)
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- All of the above
Danger limit of noise.
120 dB (A)
130 dB (A)
140 dB (A)
- 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
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)
- Before/ISO standard
- After/ISO standard
- Before/DGMS standard
- Before OEM standard
Vibration studies of various mining machinery before their introduction in mining operation should be done as per ISO Standard.
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