104 M-P PLANNED INDUSTRIAL DISTRICT
Octave Band Range In Cycles Per Second
| Sound Pressure Level In Decibels 0.0002 dyne/cm2 |
Octave Band Range In Cycles Per Second
| Sound Pressure Level In Decibels 0.0002 dyne/cm2 |
Below 75 | 72 |
75–150 | 67 |
151–300 | 59 |
301–600 | 52 |
601–1,200 | 46 |
1,201–2,400 | 40 |
2,401–4,800 | 34 |
Above 4,800 | 32 |
Correction In Decibels | |
Daytime operation only | +5 |
Noise source operates less than 20 percent of any 1 hour period | +5 |
Noise source operates less than 5 percent of any 1 hour period | +10 |
Noise of impulsive character, such as hammering | -5 |
Noise of periodic character, such as humming or screeching | -5 |
104 M-P PLANNED INDUSTRIAL DISTRICT
Octave Band Range In Cycles Per Second
| Sound Pressure Level In Decibels 0.0002 dyne/cm2 |
Octave Band Range In Cycles Per Second
| Sound Pressure Level In Decibels 0.0002 dyne/cm2 |
Below 75 | 72 |
75–150 | 67 |
151–300 | 59 |
301–600 | 52 |
601–1,200 | 46 |
1,201–2,400 | 40 |
2,401–4,800 | 34 |
Above 4,800 | 32 |
Correction In Decibels | |
Daytime operation only | +5 |
Noise source operates less than 20 percent of any 1 hour period | +5 |
Noise source operates less than 5 percent of any 1 hour period | +10 |
Noise of impulsive character, such as hammering | -5 |
Noise of periodic character, such as humming or screeching | -5 |