C-1 and C-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, screech)
|
-5
|
I-1 and I-2 Districts
| |
---|---|
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, 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
|