TITLE 35: ENVIRONMENTAL PROTECTION SUBTITLE G: WASTE DISPOSAL CHAPTER I: POLLUTION CONTROL BOARD SUBCHAPTER c: HAZARDOUS WASTE OPERATING REQUIREMENTS PART 725 INTERIM STATUS STANDARDS FOR OWNERS AND OPERATORS OF HAZARDOUS WASTE TREATMENT, STORAGE, AND DISPOSAL FACILITIES The General Assembly's Illinois Administrative Code database includes only those rulemakings that have been permanently adopted. This menu will point out the Sections on which an emergency rule (valid for a maximum of 150 days, usually until replaced by a permanent rulemaking) exists. The emergency rulemaking is linked through the notation that follows the Section heading in the menu. View Entire Part SUBPART A: GENERAL PROVISIONS Section 725.101 Purpose, Scope, and Applicability Section 725.102 Electronic Reporting Section 725.104 Imminent Hazard Action SUBPART B: GENERAL FACILITY STANDARDS Section 725.110 Applicability Section 725.111 USEPA Identification Number Section 725.112 Required Notices Section 725.113 General Waste Analysis Section 725.114 Security Section 725.115 General Inspection Requirements Section 725.116 Personnel Training Section 725.117 General Requirements for Ignitable, Reactive, or Incompatible Wastes Section 725.118 Location Standards Section 725.119 Construction Quality Assurance Program SUBPART C: PREPAREDNESS AND PREVENTION Section 725.130 Applicability Section 725.131 Maintenance and Operation of Facility Section 725.132 Required Equipment Section 725.133 Testing and Maintenance of Equipment Section 725.134 Access to Communications or Alarm System Section 725.135 Required Aisle Space Section 725.137 Arrangements with Local Authorities SUBPART D: CONTINGENCY PLAN AND EMERGENCY PROCEDURES Section 725.150 Applicability Section 725.151 Purpose and Implementation of Contingency Plan Section 725.152 Content of Contingency Plan Section 725.153 Copies of Contingency Plan Section 725.154 Amendment of Contingency Plan Section 725.155 Emergency Coordinator Section 725.156 Emergency Procedures SUBPART E: MANIFEST SYSTEM, RECORDKEEPING, AND REPORTING Section 725.170 Applicability Section 725.171 Use of Manifest System Section 725.172 Manifest Discrepancies Section 725.173 Operating Record Section 725.174 Availability, Retention, and Disposition of Records Section 725.175 Annual Report Section 725.176 Unmanifested Waste Report Section 725.177 Additional Reports SUBPART F: GROUNDWATER MONITORING Section 725.190 Applicability Section 725.191 Groundwater Monitoring System Section 725.192 Sampling and Analysis Section 725.193 Preparation, Evaluation, and Response Section 725.194 Recordkeeping and Reporting SUBPART G: CLOSURE AND POST-CLOSURE CARE Section 725.210 Applicability Section 725.211 Closure Performance Standard Section 725.212 Closure Plan; Amendment of Plan Section 725.213 Closure; Time Allowed for Closure Section 725.214 Disposal or Decontamination of Equipment, Structures and Soils Section 725.215 Certification of Closure Section 725.216 Survey Plat Section 725.217 Post-Closure Care and Use of Property Section 725.218 Post-Closure Care Plan; Amendment of Plan Section 725.219 Post-Closure Notices Section 725.220 Certification of Completion of Post-Closure Care Section 725.221 Alternative Post-Closure Care Requirements SUBPART H: FINANCIAL REQUIREMENTS Section 725.240 Applicability Section 725.241 Definitions of Terms as Used in this Subpart H Section 725.242 Cost Estimate for Closure Section 725.243 Financial Assurance for Closure Section 725.244 Cost Estimate for Post-Closure Care Section 725.245 Financial Assurance for Post-Closure Monitoring and Maintenance Section 725.246 Use of a Mechanism for Financial Assurance of Both Closure and Post-Closure Care Section 725.247 Liability Requirements Section 725.248 Incapacity of Owners or Operators, Guarantors, or Financial Institutions Section 725.251 Promulgation of Forms (Repealed) SUBPART I: USE AND MANAGEMENT OF CONTAINERS Section 725.270 Applicability Section 725.271 Condition of Containers Section 725.272 Compatibility of Waste with Containers Section 725.273 Management of Containers Section 725.274 Inspections Section 725.276 Special Requirements for Ignitable or Reactive Wastes Section 725.277 Special Requirements for Incompatible Wastes Section 725.278 Air Emission Standards SUBPART J: TANK SYSTEMS Section 725.290 Applicability Section 725.291 Assessment of Existing Tank System Integrity Section 725.292 Design and Installation of New Tank Systems or Components Section 725.293 Containment and Detection of Releases Section 725.294 General Operating Requirements Section 725.295 Inspections Section 725.296 Response to Leaks or Spills and Disposition of Tank Systems Section 725.297 Closure and Post-Closure Care Section 725.298 Special Requirements for Ignitable or Reactive Wastes Section 725.299 Special Requirements for Incompatible Wastes Section 725.300 Waste Analysis and Trial Tests Section 725.301 Generators of 100 to 1,000 Kilograms of Hazardous Waste Per Month (Repealed) Section 725.302 Air Emission Standards SUBPART K: SURFACE IMPOUNDMENTS Section 725.320 Applicability Section 725.321 Design and Operating Requirements Section 725.322 Action Leakage Rate Section 725.323 Containment System Section 725.324 Response Actions Section 725.325 Waste Analysis and Trial Tests Section 725.326 Monitoring and Inspections Section 725.328 Closure and Post-Closure Care Section 725.329 Special Requirements for Ignitable or Reactive Wastes Section 725.330 Special Requirements for Incompatible Wastes Section 725.331 Air Emission Standards SUBPART L: WASTE PILES Section 725.350 Applicability Section 725.351 Protection from Wind Section 725.352 Waste Analysis Section 725.353 Containment Section 725.354 Design and Operating Requirements Section 725.355 Action Leakage Rates Section 725.356 Special Requirements for Ignitable or Reactive Wastes Section 725.357 Special Requirements for Incompatible Wastes Section 725.358 Closure and Post-Closure Care Section 725.359 Response Actions Section 725.360 Monitoring and Inspections SUBPART M: LAND TREATMENT Section 725.370 Applicability Section 725.372 General Operating Requirements Section 725.373 Waste Analysis Section 725.376 Food Chain Crops Section 725.378 Unsaturated Zone (Zone of Aeration) Monitoring Section 725.379 Recordkeeping Section 725.380 Closure and Post-Closure Care Section 725.381 Special Requirements for Ignitable or Reactive Wastes Section 725.382 Special Requirements for Incompatible Wastes SUBPART N: LANDFILLS Section 725.400 Applicability Section 725.401 Design Requirements Section 725.402 Action Leakage Rate Section 725.403 Response Actions Section 725.404 Monitoring and Inspections Section 725.409 Surveying and Recordkeeping Section 725.410 Closure and Post-Closure Care Section 725.412 Special Requirements for Ignitable or Reactive Wastes Section 725.413 Special Requirements for Incompatible Wastes Section 725.414 Special Requirements for Liquid Wastes Section 725.415 Special Requirements for Containers Section 725.416 Disposal of Small Containers of Hazardous Waste in Overpacked Drums (Lab Packs) SUBPART O: INCINERATORS Section 725.440 Applicability Section 725.441 Waste Analysis Section 725.445 General Operating Requirements Section 725.447 Monitoring and Inspections Section 725.451 Closure Section 725.452 Interim Status Incinerators Burning Particular Hazardous Wastes SUBPART P: THERMAL TREATMENT Section 725.470 Other Thermal Treatment Section 725.473 General Operating Requirements Section 725.475 Waste Analysis Section 725.477 Monitoring and Inspections Section 725.481 Closure Section 725.482 Open Burning; Waste Explosives Section 725.483 Interim Status Thermal Treatment Devices Burning Particular Hazardous Wastes SUBPART Q: CHEMICAL, PHYSICAL, AND BIOLOGICAL TREATMENT Section 725.500 Applicability Section 725.501 General Operating Requirements Section 725.502 Waste Analysis and Trial Tests Section 725.503 Inspections Section 725.504 Closure Section 725.505 Special Requirements for Ignitable or Reactive Wastes Section 725.506 Special Requirements for Incompatible Wastes SUBPART R: UNDERGROUND INJECTION Section 725.530 Applicability SUBPART W: DRIP PADS Section 725.540 Applicability Section 725.541 Assessment of Existing Drip Pad Integrity Section 725.542 Design and Installation of New Drip Pads Section 725.543 Design and Operating Requirements Section 725.544 Inspections Section 725.545 Closure SUBPART AA: AIR EMISSION STANDARDS FOR PROCESS VENTS Section 725.930 Applicability Section 725.931 Definitions Section 725.932 Standards: Process Vents Section 725.933 Standards: Closed-Vent Systems and Control Devices Section 725.934 Test Methods and Procedures Section 725.935 Recordkeeping Requirements SUBPART BB: AIR EMISSION STANDARDS FOR EQUIPMENT LEAKS Section 725.950 Applicability Section 725.951 Definitions Section 725.952 Standards: Pumps in Light Liquid Service Section 725.953 Standards: Compressors Section 725.954 Standards: Pressure Relief Devices in Gas/Vapor Service Section 725.955 Standards: Sampling Connecting Systems Section 725.956 Standards: Open-Ended Valves or Lines Section 725.957 Standards: Valves in Gas/Vapor or Light Liquid Service Section 725.958 Standards: Pumps, Valves, Pressure Relief Devices, Flanges, and Other Connectors Section 725.959 Standards: Delay of Repair Section 725.960 Standards: Closed-Vent Systems and Control Devices Section 725.961 Percent Leakage Alternative for Valves Section 725.962 Skip Period Alternative for Valves Section 725.963 Test Methods and Procedures Section 725.964 Recordkeeping Requirements SUBPART CC: AIR EMISSION STANDARDS FOR TANKS, SURFACE IMPOUNDMENTS, AND CONTAINERS Section 725.980 Applicability Section 725.981 Definitions Section 725.982 Schedule for Implementation of Air Emission Standards Section 725.983 Standards: General Section 725.984 Waste Determination Procedures Section 725.985 Standards: Tanks Section 725.986 Standards: Surface Impoundments Section 725.987 Standards: Containers Section 725.988 Standards: Closed-Vent Systems and Control Devices Section 725.989 Inspection and Monitoring Requirements Section 725.990 Recordkeeping Requirements Section 725.991 Alternative Tank Emission Control Requirements (Repealed) SUBPART DD: CONTAINMENT BUILDINGS Section 725.1100 Applicability Section 725.1101 Design and Operating Standards Section 725.1102 Closure and Post-Closure Care SUBPART EE: HAZARDOUS WASTE MUNITIONS AND EXPLOSIVES STORAGE Section 725.1200 Applicability Section 725.1201 Design and Operating Standards Section 725.1202 Closure and Post-Closure Care Section 725.APPENDIX A Recordkeeping Instructions Section 725.APPENDIX B EPA Report Form and Instructions (Repealed) Section 725.APPENDIX C USEPA Interim Primary Drinking Water Standards Section 725.APPENDIX D Tests for Significance Section 725.APPENDIX E Examples of Potentially Incompatible Wastes Section 725.APPENDIX F Compounds with Henry's Law Constant Less Than 0.1 Y/X (at 25 °C)

AUTHORITY: Implementing Sections 7.2 and 22.4 and authorized by Section 27 of the Environmental Protection Act [415 ILCS 5/7.2, 22.4, and 27].

SOURCE: Adopted in R81-22 at 5 Ill. Reg. 9781, effective May 17, 1982; amended and codified in R81-22 at 6 Ill. Reg. 4828, effective May 17, 1982; amended in R82-18 at 7 Ill. Reg. 2518, effective February 22, 1983; amended in R82-19 at 7 Ill. Reg. 14034, effective October 12, 1983; amended in R84-9 at 9 Ill. Reg. 11869, effective July 24, 1985; amended in R85-22 at 10 Ill. Reg. 1085, effective January 2, 1986; amended in R86-1 at 10 Ill. Reg. 14069, effective August 12, 1986; amended in R86-28 at 11 Ill. Reg. 6044, effective March 24, 1987; amended in R86-46 at 11 Ill. Reg. 13489, effective August 4, 1987; amended in R87-5 at 11 Ill. Reg. 19338, effective November 10, 1987; amended in R87-26 at 12 Ill. Reg. 2485, effective January 15, 1988; amended in R87-39 at 12 Ill. Reg. 13027, effective July 29, 1988; amended in R88-16 at 13 Ill. Reg. 437, effective December 28, 1988; amended in R89-1 at 13 Ill. Reg. 18354, effective November 13, 1989; amended in R90-2 at 14 Ill. Reg. 14447, effective August 22, 1990; amended in R90-10 at 14 Ill. Reg. 16498, effective September 25, 1990; amended in R90-11 at 15 Ill. Reg. 9398, effective June 17, 1991; amended in R91-1 at 15 Ill. Reg. 14534, effective October 1, 1991; amended in R91-13 at 16 Ill. Reg. 9578, effective June 9, 1992; amended in R92-1 at 16 Ill. Reg. 17672, effective November 6, 1992; amended in R92-10 at 17 Ill. Reg. 5681, effective March 26, 1993; amended in R93-4 at 17 Ill. Reg. 20620, effective November 22, 1993; amended in R93-16 at 18 Ill. Reg. 6771, effective April 26, 1994; amended in R94-7 at 18 Ill. Reg. 12190, effective July 29, 1994; amended in R94-17 at 18 Ill. Reg. 17548, effective November 23, 1994; amended in R95-6 at 19 Ill. Reg. 9566, effective June 27, 1995; amended in R95-20 at 20 Ill. Reg. 11078, effective August 1, 1996; amended in R96-10/R97-3/R97-5 at 22 Ill. Reg. 369, effective December 16, 1997; amended in R98-12 at 22 Ill. Reg. 7620, effective April 15, 1998; amended in R97-21/R98-3/R98-5 at 22 Ill. Reg. 17620, effective September 28, 1998; amended in R98-21/R99-2/R99-7 at 23 Ill. Reg. 1850, effective January 19, 1999; amended in R99-15 at 23 Ill. Reg. 9168, effective July 26, 1999; amended in R00-5 at 24 Ill. Reg. 1076, effective January 6, 2000; amended in R00-13 at 24 Ill. Reg. 9575, effective June 20, 2000; amended in R03-7 at 27 Ill. Reg. 4187, effective February 14, 2003; amended in R05-8 at 29 Ill. Reg. 6028, effective April 13, 2005; amended in R05-2 at 29 Ill. Reg. 6389, effective April 22, 2005; amended in R06-5/R06-6/R06-7 at 30 Ill. Reg. 3460, effective February 23, 2006; amended in R06-16/R06-17/R06-18 at 31 Ill. Reg. 1031, effective December 20, 2006; amended in R07-5/R07-14 at 32 Ill. Reg. 12566, effective July 14, 2008; amended in R09-3 at 33 Ill. Reg. 1155, effective December 30, 2008; amended in R09-16/R10-4 at 34 Ill. Reg. 18890, effective November 12, 2010; amended in R11-2/R11-16 at 35 Ill. Reg. 18052, effective October 14, 2011; amended in R13-15 at 37 Ill. Reg. 17811, effective October 24, 2013; amended in R15-1 at 39 Ill. Reg. 1746, effective January 12, 2015; amended in R16-7 at 40 Ill. Reg. 11830, effective August 9, 2016; amended in R17-14/R17-15/R18-12/R18-31 at 42 Ill. Reg. 23725, effective November 19, 2018; amended in R19-3 at 43 Ill. Reg. 634, effective December 6, 2018; amended in R19-11 at 43 Ill. Reg. 6049, effective May 2, 2019; amended in R20-8/R20-16 at 44 Ill. Reg. 15374, effective September 3, 2020; amended in R21-13, R22-13, R24-4 at 48 Ill. Reg. 9911, effective June 20, 2024; amended in R24-12 at 48 Ill. Reg. 17086, effective November 7, 2024.