The Pollution Control Board adopted amendments to General Provisions (35 Ill. Adm. Code 900); Sound Emission Standards and Limitations for Property Line-Noise Sources (35 Ill. Adm. Code 901); Sound Emission Standards and Limitations for Motor Vehicles (35 Ill. Adm. Code 902); and Measurement Procedures for the Enforcement of 35 Ill. Adm. Code 900 & 901 (35 Ill. Adm. Code 910), all effective Nov. 1, 2018.