Octave Band
(cycles per second)
|
Along Residence District Boundaries
(decibels)
|
Along Business District Boundaries
(decibels)
| |
---|---|---|---|
0 to 75
|
72
|
79
| |
75 to 150
|
67
|
74
| |
150 to 300
|
59
|
66
| |
300 to 600
|
52
|
59
| |
600 to 1,200
|
46
|
53
| |
1,200 to 2,400
|
40
|
47
| |
2,400 to 4,800
|
34
|
41
| |
Above 4,800
|
32
|
39
| |
Decibels 10 laa p1/p2 where p2is the reference quality
of 0.0002 dyne/cm2. Sound pressure level
shall be measured according to the specifications published by the
American Standards Association. Should any state or county requirements
be more stringent, they shall prevail.
|