Performance Standards
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 |
1000 | 40 |
2000 | 37 |
4000 | 33 |
8000 | 29 |
TABLE II | ||
|---|---|---|
Type or Location of Operation or Character of Noise | Correction in Decibels* | |
Daytime operation only | 5 | |
Noise source operates less than* | ||
a. 20% of any one-hour period | 5 | |
b. 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. |
Performance Standards
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 |
1000 | 40 |
2000 | 37 |
4000 | 33 |
8000 | 29 |
TABLE II | ||
|---|---|---|
Type or Location of Operation or Character of Noise | Correction in Decibels* | |
Daytime operation only | 5 | |
Noise source operates less than* | ||
a. 20% of any one-hour period | 5 | |
b. 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. |