Dry Screening as Part of a Soil Removal Operation.
Frequency Band in Cycles Per Second | Sound-Pressure Level Decibels re 0.0002 dyne/cm 2 |
|---|---|
20-75 | 75 |
75-150 | 60 |
150-300 | 54 |
300-600 | 48 |
600-1,200 | 45 |
1,200-2,400 | 42 |
2,400-4,800 | 39 |
Above 4,800 | 36 |
Dry Screening as Part of a Soil Removal Operation.
Frequency Band in Cycles Per Second | Sound-Pressure Level Decibels re 0.0002 dyne/cm 2 |
|---|---|
20-75 | 75 |
75-150 | 60 |
150-300 | 54 |
300-600 | 48 |
600-1,200 | 45 |
1,200-2,400 | 42 |
2,400-4,800 | 39 |
Above 4,800 | 36 |