35 Ill. Adm. Code 901.122
Elgin Facility Site-Specific Noise Emission Limitations
Section 901.122Â Elgin Facility Site-Specific Noise
Emission Limitations
The Combustion Turbine Power Generation Facility located at
1559 Gifford Road in Elgin, Illinois must not cause or allow the emission of
sound from any property-line noise source located on that property that exceeds
any allowable octave band sound pressure level specified in the following
table, when measured at any point within the receiving Class A or Class B land.
Octave Band Center Frequency (Hertz)
Allowable
Octave Band Sound Pressure Levels (dB) of Sound Emitted to any Receiving
Class A or Class B Land from Ameren Elgin Facility
Class A Land
Class B Land
31.5
80
80
63
74
79
125
69
74
250
64
69
500
58
63
1000
58
58
2000
58
58
4000
50
50
8000
40
45