District Regulations of General Applicability
Electromagnetic Interference by Radiation | |||
|---|---|---|---|
Section of Electromagnetic Spectrum | Primary Intended Service | Maximum Field Strength at Edge of Property Containing Interference Source (microvolts per meter) | |
From 10 kilocycles to 100 kilocycles | Communications service | 500 | |
From 100 kilocycles to 535 kilocycles | Navigational aids | 300 | |
From 535 kilocycles to 1,605 kilocycles | AM broadcasting | 200 | |
From 1,605 kilocycles to 44 megacycles | Various communications service | 200 | |
From 44 megacycles to 88 megacycles | VHF television airport control | 150 | |
From 88 megacycles to 174 megacycles | FM broadcasting | 200 | |
From 174 megacycles to 216 megacycles | VHF television | 150 | |
From 216 megacycles to 580 megacycles | Navigational aids citizens radio | 250 | |
From 580 megacycles to 920 megacycles | UHF television | 300 | |
From 920 megacycles to 30,000 megacycles | Various | 500 | |
Electromagnetic Interference by Transmission or Conduction | |||
|---|---|---|---|
Section of Electromagnetic Spectrum | Primary Intended Service | Maximum Field Strength at Edge of Property Containing Interference Source (millovolts) | |
From 10 kilocycles to 100 kilocycles | Communications service | 2.50 | |
From 100 kilocycles to 535 kilocycles | Navigational aids | 1.50 | |
From 535 kilocycles to 1,605 kilocycles | AM broadcasting | 1.00 | |
From 1,605 kilocycles to 44 megacycles | Various communications service | 0.50 | |
From 44 megacycles to 88 megacycles | VHF television | 0.25 | |
From 88 megacycles to 174 megacycles | FM broadcasting airport control | 1.50 | |
From 174 megacycles to 216 megacycles | VHF television | 0.15 | |
From 216 megacycles to 580 megacycles | Navigational aids citizens radio | 5.00 | |
From 580 megacycles to 920 megacycles | UHF television | 20.00 | |
From 920 megacycles to 30,000 megacycles | Various | 150.00 | |
Maximum Sound Level Table | ||
|---|---|---|
Frequency Band Cycles (per second) | Sound-Pressure Level (decibels re 0.0002 dyne/cm2) | |
20 to 75 | 74 | |
75 to 150 | 65 | |
150 to 300 | 61 | |
300 to 600 | 55 | |
600 to 1,200 | 47 | |
1,200 to 2,400 | 45 | |
2,400 to 4,800 | 43 | |
4,800 to 10,000 | 40 | |
Residential Sound Level Table | ||
|---|---|---|
Frequency Band Cycles (per second) | Sound-Pressure Level (decibels re 0.0002 dyne/cm2) | |
20 to 75 | 70 | |
75 to 150 | 55 | |
150 to 300 | 48 | |
300 to 600 | 43 | |
600 to 1,200 | 38 | |
1,200 to 2,400 | 35 | |
2,400 to 4,800 | 33 | |
4,800 to 10,000 | 31 | |
NOTE: If the noise is not smooth and continuous or if it is nighttime noise, one or more of the corrections below shall be added to or subtracted from each of the decibel levels given in the sound level tables above. Only one of the additional corrections may be made for any noise source. |
Maximum Permitted Steady-State Vibration Displacement | |||
|---|---|---|---|
Frequency (cycles per second) | Commercial and Industrial Zones (inches) | Residential Zones (inches) | |
Less than 10 | 0.0008 | 0.0004 | |
10 through 19 | 0.0005 | 0.0002 | |
20 through 29 | 0.0003 | 0.0001 | |
30 through 39 | 0.0002 | 0.0001 | |
40 through 49 | 0.0001 | 0.0001 | |
50 and over | 0.0001 | 0.0001 | |
Maximum Permitted Impact Vibration Displacements | |||
|---|---|---|---|
Frequency (cycles per second) | Commercial and Industrial Zones (inches) | Residential Zones (inches) | |
Less than 10 | 0.0016 | 0.0006 | |
10 through 19 | 0.0010 | 0.0003 | |
20 through 29 | 0.0006 | 0.0002 | |
30 through 39 | 0.0004 | 0.0001 | |
40 through 49 | 0.0002 | 0.0001 | |
50 and over | 0.0002 | 0.0001 | |
District Regulations of General Applicability
Electromagnetic Interference by Radiation | |||
|---|---|---|---|
Section of Electromagnetic Spectrum | Primary Intended Service | Maximum Field Strength at Edge of Property Containing Interference Source (microvolts per meter) | |
From 10 kilocycles to 100 kilocycles | Communications service | 500 | |
From 100 kilocycles to 535 kilocycles | Navigational aids | 300 | |
From 535 kilocycles to 1,605 kilocycles | AM broadcasting | 200 | |
From 1,605 kilocycles to 44 megacycles | Various communications service | 200 | |
From 44 megacycles to 88 megacycles | VHF television airport control | 150 | |
From 88 megacycles to 174 megacycles | FM broadcasting | 200 | |
From 174 megacycles to 216 megacycles | VHF television | 150 | |
From 216 megacycles to 580 megacycles | Navigational aids citizens radio | 250 | |
From 580 megacycles to 920 megacycles | UHF television | 300 | |
From 920 megacycles to 30,000 megacycles | Various | 500 | |
Electromagnetic Interference by Transmission or Conduction | |||
|---|---|---|---|
Section of Electromagnetic Spectrum | Primary Intended Service | Maximum Field Strength at Edge of Property Containing Interference Source (millovolts) | |
From 10 kilocycles to 100 kilocycles | Communications service | 2.50 | |
From 100 kilocycles to 535 kilocycles | Navigational aids | 1.50 | |
From 535 kilocycles to 1,605 kilocycles | AM broadcasting | 1.00 | |
From 1,605 kilocycles to 44 megacycles | Various communications service | 0.50 | |
From 44 megacycles to 88 megacycles | VHF television | 0.25 | |
From 88 megacycles to 174 megacycles | FM broadcasting airport control | 1.50 | |
From 174 megacycles to 216 megacycles | VHF television | 0.15 | |
From 216 megacycles to 580 megacycles | Navigational aids citizens radio | 5.00 | |
From 580 megacycles to 920 megacycles | UHF television | 20.00 | |
From 920 megacycles to 30,000 megacycles | Various | 150.00 | |
Maximum Sound Level Table | ||
|---|---|---|
Frequency Band Cycles (per second) | Sound-Pressure Level (decibels re 0.0002 dyne/cm2) | |
20 to 75 | 74 | |
75 to 150 | 65 | |
150 to 300 | 61 | |
300 to 600 | 55 | |
600 to 1,200 | 47 | |
1,200 to 2,400 | 45 | |
2,400 to 4,800 | 43 | |
4,800 to 10,000 | 40 | |
Residential Sound Level Table | ||
|---|---|---|
Frequency Band Cycles (per second) | Sound-Pressure Level (decibels re 0.0002 dyne/cm2) | |
20 to 75 | 70 | |
75 to 150 | 55 | |
150 to 300 | 48 | |
300 to 600 | 43 | |
600 to 1,200 | 38 | |
1,200 to 2,400 | 35 | |
2,400 to 4,800 | 33 | |
4,800 to 10,000 | 31 | |
NOTE: If the noise is not smooth and continuous or if it is nighttime noise, one or more of the corrections below shall be added to or subtracted from each of the decibel levels given in the sound level tables above. Only one of the additional corrections may be made for any noise source. |
Maximum Permitted Steady-State Vibration Displacement | |||
|---|---|---|---|
Frequency (cycles per second) | Commercial and Industrial Zones (inches) | Residential Zones (inches) | |
Less than 10 | 0.0008 | 0.0004 | |
10 through 19 | 0.0005 | 0.0002 | |
20 through 29 | 0.0003 | 0.0001 | |
30 through 39 | 0.0002 | 0.0001 | |
40 through 49 | 0.0001 | 0.0001 | |
50 and over | 0.0001 | 0.0001 | |
Maximum Permitted Impact Vibration Displacements | |||
|---|---|---|---|
Frequency (cycles per second) | Commercial and Industrial Zones (inches) | Residential Zones (inches) | |
Less than 10 | 0.0016 | 0.0006 | |
10 through 19 | 0.0010 | 0.0003 | |
20 through 29 | 0.0006 | 0.0002 | |
30 through 39 | 0.0004 | 0.0001 | |
40 through 49 | 0.0002 | 0.0001 | |
50 and over | 0.0002 | 0.0001 | |