B-1 Primary Business District
Frequency Ban (cycles per second) | Sound-Pressure Level (decibels re 0.0002 dyne/cm2) | |
|---|---|---|
20 to 75 | 69 | |
75 to 150 | 54 | |
150 to 300 | 47 | |
300 to 600 | 41 | |
600 to 1,200 | 37 | |
1,200 to 2,400 | 34 | |
2,400 to 4,800 | 31 | |
4,800 to 10,000 | 28 |
B-1 Primary Business District
Frequency Ban (cycles per second) | Sound-Pressure Level (decibels re 0.0002 dyne/cm2) | |
|---|---|---|
20 to 75 | 69 | |
75 to 150 | 54 | |
150 to 300 | 47 | |
300 to 600 | 41 | |
600 to 1,200 | 37 | |
1,200 to 2,400 | 34 | |
2,400 to 4,800 | 31 | |
4,800 to 10,000 | 28 |