Nuisance Characteristic
|
All Zones
| ||
---|---|---|---|
Air pollution
| |||
Smoke
|
As required by state regulations
| ||
Solid particles
|
As required by state regulations
| ||
Odors
|
Required setback lines
| ||
Wastes
| |||
Liquid wastes
|
Outlet
| ||
Solid wastes
|
Building wall
| ||
Radiation
|
Vent or smokestack
| ||
Noise
|
Required setback lines
| ||
Vibration
|
Building wall
| ||
Glare
|
Required setback lines
| ||
Heat
|
Vent or smokestack for heated air and at the
outlet for heated liquid or solid discharge
|
Table I
| ||
---|---|---|
Octave Band Center
Frequency in Cycles per Second
|
Sound-Pressure Level Decibels re 0.0002
(dyne/cm)
| |
31.5
|
59
| |
63
|
58
| |
125
|
57
| |
250
|
50
| |
500
|
45
| |
1,000
|
40
| |
2,000
|
37
| |
4,000
|
33
| |
8,000
|
29
|
Table II
| |||
---|---|---|---|
Type or Location of
Operation or Character of Noise
|
Correction in Decibels*
| ||
Daytime operation only
|
5
| ||
Noise source operates less than:*
| |||
20% of any one-hour period
|
5
| ||
5% of any one-hour period
|
10
| ||
Noise of impulsive character
(hammering, etc.)
|
-5
| ||
Noise of periodic character
(hum, screech, etc.)
|
-5
| ||
*NOTE: Apply one of these corrections only.
|