TITLE 35: ENVIRONMENTAL PROTECTION
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AUTHORITY: Implementing Section 25 and authorized by Section 27 of the Environmental Protection Act (Ill. Rev. Stat. 1981, ch. 111 1/2, pars. 1025 and 1027).
SOURCE: Adopted at 5 Ill. Reg. 8533, effective August 10, 1981; codified at 7 Ill. Reg. 13654.
Section 905.101 Exhaust Systems
a) No person shall operate or cause or allow the operation of a snowmobile unless the exhaust system of such snowmobile is:
1) free from defects which interfere with sound reduction;
2) equipped with a muffler or other sound dissipative device;
3) not equipped with a cutout, by-pass or similar device.
b) No person shall install any parts in or modify the cooling, intake, or exhaust system of a snowmobile in a manner which will amplify or increase the sound level emitted by that snowmobile above the level emitted by such snowmobile with the equipment originally installed on the snowmobile.
c) No person shall operate or cause or allow the operation of a snowmobile which has been modified in a manner which will amplify or increase the sound level emitted by that snowmobile above the level emitted by such snowmobile with the equipment originally installed on the snowmobile.
Section 905.102 Noise Emission Standards
a) No person shall operate or cause or allow the operation of a snowmobile manufactured after April 1, 1979 which generates a sound level in excess of 78 decibels on the A-scale at 50 feet when measured in accordance with procedures established under 35 Ill. Adm. Code 900.103(e)(1).
b) No person shall operate or cause or allow the operation of a snowmobile manufactured after April 1, 1979 which generates a sound level in excess of 73 decibels on the A-scale at 50 feet when measured in accordance with procedures established under 35 Ill. Adm. Code 900.103(e)(2).