Ill. Admin. Code tit. 35, pt. 840

Site-specific Closures of Coal Combustion Waste Surface Impoundments

AUTHORITY: Implementing Section 22 of the Environmental Protection Act [415 ILCS 5/22] and Section 8 of the Illinois Groundwater Protection Act [415 ILCS 55/8], and authorized by Sections 22, 27, and 28 of the Environmental Protection Act [415 ILCS 5/22, 27, and 28] and Section 8 of the Illinois Groundwater Protection Act [415 ILCS 55/8]. SOURCE: Adopted in R09-21 at 35 Ill. Reg. 2134, effective January 21, 2011; amended in R25-24 at 49 Ill. Reg. 12781, effective September 23, 2025.POLLUTION CONTROL BOARD

840.100Purpose 840.102Applicability 840.104Definitions 840.106Abbreviations and Acronyms 840.108Incorporations by Reference 840.110Hydrogeologic Site Investigation 840.112Groundwater Monitoring System 840.114Groundwater Monitoring Program 840.116Groundwater Quality Standards 840.118Demonstration of Compliance 840.120Groundwater Collection Trench 840.122Groundwater Discharge System 840.124Final Slope and Stabilization 840.126Final Cover System 840.128Closure Plan 840.130Contents of Closure Plan 840.132Modification of Existing Permits 840.134Completion of Closure, Closure Report and Certification of Completion of Closure 840.136Post-Closure Maintenance of Cover System 840.138Post-Closure Care Plan 840.140Contents of Post-Closure Care Plan 840.142Post-Closure Report and Certification of Completion of Post-Closure Care Plan 840.144Recordkeeping and Reporting Requirements 840.146Construction Quality Assurance Program 840.148Review, Approval, and Modification of Closure Plan and Post-Closure Care Plan 840.150Review and Approval of Closure Report and Certification of Completion of Closure, Post-Closure Report and Certification of Completion of Post-Closure Care Plan 840.152Resource Conservation and Recovery Act