B-1 and B-2 Districts
| ||
---|---|---|
Frequency Ranges Containing Standard Octave
Bands in Cycles Per Second
|
Octave Band Sound-Pressure Level in Decibels
| |
0 to 74
|
72
| |
75 to 149
|
67
| |
150 to 299
|
59
| |
300 to 599
|
52
| |
600 to 1,199
|
46
| |
1,200 to 2,399
|
40
| |
2,400 to 4,800
|
34
| |
Above 4,800
|
32
|
Type of Operation or Noise
|
Correction in Decibels
| |
---|---|---|
Daytime operation only
|
+ 5
| |
Noise of impulsive character (e.g., hammering)
|
- 5
| |
Noise of periodic character (e.g., hum or screech)
|
- 5
|
I-1 District
| ||
---|---|---|
Frequency Ranges Containing Standard Octave
Bands in Cycles Per Second
|
Octave Band Sound-Pressure Level in Decibels
| |
0 to 74
|
79
| |
75 to 149
|
74
| |
150 to 299
|
66
| |
300 to 599
|
59
| |
600 to 1,199
|
53
| |
1,200 to 2,399
|
47
| |
2,400 to 4,800
|
41
| |
Above 4,800
|
39
|
Type of Operation or Noise
|
Correction in Decibels
| |
---|---|---|
Daytime operation only
|
+5
| |
Noise of impulsive character (e.g., hammering)
|
- 5
| |
Noise of periodic character (e.g., hum or screech)
|
- 5
|
Heat in Fuel Burned
(British thermal units per hour)
|
Fly Ash: Rate of Emission
(pounds per hour)
| |
---|---|---|
1,000,000
|
1
| |
100,000,000
|
100
| |
400,000,000
|
330
| |
1,000,000,000
|
750
| |
2,000,000,000
|
1,365
| |
3,000,000,000
|
1,850
| |
4,000,000,000
|
2,260
| |
5,000,000,000
|
2,640
| |
6,000,000,000
|
2,950
| |
7,000,000,000
|
3,200
| |
8,000,000,000
|
3,410
| |
10,000,000,000
|
3,750
|