SUBTITLE H: NOISE
CHAPTER I: POLLUTION CONTROL BOARD
PART 901 SOUND EMISSION STANDARDS AND LIMITATIONS FOR PROPERTY-LINE-NOISE-SOURCES
SECTION 901.104 HIGHLY IMPULSIVE SOUND
Section 901.104 Highly Impulsive Sound
Except as provided elsewhere in this Part, a person must not cause or allow the emission of highly impulsive sound from any property-line noise source located on any Class A, B or C land to any receiving Class A or B land that exceeds the allowable A-weighted sound levels, measured with fast dynamic characteristic, specified in the following table, when measured in compliance with the procedure of 35 Ill. Adm. Code 900.103 at any point within the receiving Class A or B land. Sound pressure levels must be measured at least 25 feet from the property-line noise source.
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Classification of Land on which Property-Line Noise Source is Located |
Allowable A-weighted Sound Levels in Decibels of Highly Impulsive Sound Emitted to Receiving Class A or B Land |
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|
|
Class B Land |
Class A Land |
|
|
|
|
Daytime |
Nighttime |
|
Class A Land |
47 |
47 |
37 |
|
Class B Land |
54 |
47 |
37 |
|
Class C Land |
58 |
53 |
43 |
(Source: Amended at 42 Ill. Reg. 20453, effective November 1, 2018)