Octave Band Frequency
| ||||
---|---|---|---|---|
(Hz)
|
Residential District
|
Nonresidential
| ||
Less than
|
Greater than
|
(decibels)
|
(decibels)
| |
20
|
75
|
72
|
79
| |
75
|
150
|
67
|
74
| |
150
|
300
|
59
|
66
| |
300
|
600
|
52
|
59
| |
600
|
1,200
|
46
|
53
| |
1,200
|
2,400
|
40
|
47
| |
2,400
|
4,800
|
34
|
41
| |
4,800
|
-
|
32
|
39
|
Frequency
|
Residential District
|
Nonresidential
| ||
---|---|---|---|---|
(Hz)
|
Displacement
|
Displacement
| ||
Less than
|
Greater than
|
(in inches)
|
(in inches)
| |
0
|
10
|
.0004
|
.0020
| |
10
|
20
|
.0002
|
.0010
| |
20
|
30
|
.0001
|
.0006
| |
30
|
40
|
.0001
|
.0004
| |
40
|
50
|
.0001
|
.0003
| |
50
|
-
|
.0001
|
.0002
|