Ill. Admin. Code tit. 77, pt. 920, ILLUSTRATION LDownload PDFCurrent through Register Vol. 49, No. 2, January 10, 2025Sealing an Abandoned Well Extending into More Than One Water Bearing FormationClick here to view imageIll. Admin. Code tit. 77, pt. 920, ILLUSTRATION LAdded at 22 Ill. Reg. 3973, effective April 1, 1998