Ill. Admin. Code tit. 83 § 500.270Download PDFCurrent through Register Vol. 49, No. 2, January 10, 2025Section 500.270 - Pressure Surveys (Repealed)Ill. Admin. Code tit. 83, § 500.270Repealed at 41 Ill. Reg. 349, effective 1/1/2017.