Ill. Admin. Code tit. 83 § 500.260Download PDFCurrent through Register Vol. 49, No. 2, January 10, 2025Section 500.260 - Pressure Regulation (Repealed)Ill. Admin. Code tit. 83, § 500.260Repealed at 41 Ill. Reg. 349, effective 1/1/2017.