Illinois Administrative Code

Section 724.291 Assessment of Existing Tank System Integrity a) For each existing tank system that does not have secondary containment meeting the requirements of Section 724.293, the owner or operator must determine either that the tank system is not leaking or that it is fit fo…

Section 724.292 Design and Installation of New Tank Systems or Components a) Owners or operators of new tank systems or components must obtain and submit to the Agency, at time of submittal of Part B information, a written assessment, reviewed and certified by a qualified Profess…

Section 724.293 Containment and Detection of Releases a) In order to prevent the release of hazardous waste or hazardous constituents to the environment, secondary containment that meets the requirements of this Section must be provided (except as provided in subsections (f) and …

Section 724.294 General Operating Requirements a) Hazardous wastes or treatment reagents must not be placed in a tank system if they could cause the tank, its ancillary equipment, or the containment system to rupture, leak, corrode, or otherwise fail. b) The owner or operator mus…

Section 724.295 Inspections a) The owner or operator must develop and follow a schedule and procedure for inspecting overfill controls. b) The owner or operator must inspect at least once each operating day data gathered from monitoring and leak detection equipment (e.g., pressur…

Section 724.296 Response to Leaks or Spills and Disposition of Leaking or Unfit-for-Use Tank Systems A tank system or secondary containment system from which there has been a leak or spill, or which is unfit for use, must be removed from service immediately, and the owner or oper…

Section 724.297 Closure and Post-Closure Care a) At closure of a tank system, the owner or operator must remove or decontaminate all waste residues, contaminated containment system components (liners, etc.), contaminated soils and structures and equipment contaminated with waste,…

Section 724.298 Special Requirements for Ignitable or Reactive Waste a) Ignitable or reactive waste must not be placed in tank systems unless the following is true: 1) The waste is treated, rendered, or mixed before or immediately after placement in the tank system so that the fo…

Section 724.299 Special Requirements for Incompatible Wastes a) Incompatible wastes, or incompatible wastes and materials must not be placed in the same tank, unless Section 724.117(b) is complied with. b) Hazardous waste must not be placed in a tank system that has not been deco…

Section 724.300 Air Emission Standards The owner or operator must manage all hazardous waste placed in a tank in accordance with the requirements of Subparts AA, BB, and CC. (Source: Amended at 42 Ill. Reg. 22614, effective November 19, 2018) SUBPART K: SURFACE IMPOUNDMENTS

Section 724.320 Applicability The regulations in this Subpart K apply to owners and operators of facilities that use surface impoundments to treat, store, or dispose of hazardous waste except as Section 724.101 provides otherwise. (Source: Amended at 27 Ill. Reg. 3725, effective …

Section 724.321 Design and Operating Requirements a) Any surface impoundment that is not covered by subsection (c) or 35 Ill. Adm. Code 725.321 must have a liner for all portions of the impoundment (except for existing portions of such impoundment). The liner must be designed, co…

Section 724.322 Action Leakage Rate a) The Agency must approve an action leakage rate for surface impoundment units subject to Section 724.321(c) or (d). The action leakage rate is the maximum design flow rate that the LDS can remove without the fluid head on the bottom liner exc…

Section 724.323 Response Actions a) The owner or operator of surface impoundment units subject to Section 724.321(c) or (d) must have an approved response action plan before receipt of waste. The response action plan must set forth the actions to be taken if the action leakage ra…

Section 724.326 Monitoring and Inspection a) During construction and installation, liners (except in the case of existing portions of surface impoundments exempt from Section 724.321(a)) and cover systems (e.g., membranes, sheets, or coatings) must be inspected for uniformity, da…

Section 724.327 Emergency Repairs; Contingency Plans a) A surface impoundment must be removed from service in accordance with subsection (b) when either of the following occurs: 1) The level of liquids in the impoundment suddenly drops and the drop is not known to be caused by ch…

Section 724.328 Closure and Post-Closure Care a) At closure, the owner or operator must do the following: 1) Remove or decontaminate all waste residues, contaminated containment system components (liners, etc.), contaminated subsoils and structures, and equipment contaminated wit…

Section 724.329 Special Requirements for Ignitable or Reactive Waste Ignitable or reactive waste must not be placed in a surface impoundment, unless the waste and impoundment satisfy all applicable requirements of 35 Ill. Adm. Code 728 and the following: a) The waste is treated, …

Section 724.330 Special Requirements for Incompatible Wastes Incompatible wastes, or incompatible wastes and materials, (see Appendix E for examples) must not be placed in the same surface impoundment, unless Section 724.117(b) is complied with. (Source: Amended at 27 Ill. Reg. 3…

Section 724.331 Special Requirements for Hazardous Wastes F020, F021, F022, F023, F026, and F027 a) Hazardous Wastes F020, F021, F022, F023, F026, and F027 must not be placed in a surface impoundment unless the owner or operator operates the surface impoundment in accordance with…

Section 724.332 Air Emission Standards The owner or operator must manage all hazardous waste placed in a surface impoundment in accordance with the requirements of Subparts BB and CC. (Source: Amended at 42 Ill. Reg. 22614, effective November 19, 2018) SUBPART L: WASTE PILES

Section 724.350 Applicability a) The regulations in this Subpart L apply to owners and operators of facilities that store or treat hazardous waste in piles, except as Section 724.101 provides otherwise. b) The regulations in this Subpart L do not apply to owners or operators of w…

Section 724.351 Design and Operating Requirements a) A waste pile (except for an existing portion of a waste pile) must have the following: 1) A liner that is designed, constructed, and installed to prevent any migration of wastes out of the pile into the adjacent subsurface soil…

Section 724.352 Action Leakage Rate a) The Agency must approve an action leakage rate for waste pile units subject to Section 724.351(c) or (d). The action leakage rate is the maximum design flow rate that the LDS can remove without the fluid head on the bottom liner exceeding on…

Section 724.353 Response Action Plan a) The owner or operator of waste pile units subject to Section 724.351(c) or (d) must have an approved response action plan before receipt of waste. The response action plan must set forth the actions to be taken if the action leakage rate ha…

Section 724.354 Monitoring and Inspection a) During construction or installation, liners (except in the case of existing portions of piles exempt from Section 724.351(a)) and cover systems (e.g., membranes, sheets or coatings) must be inspected for uniformity, damage, and imperfe…

Section 724.356 Special Requirements for Ignitable or Reactive Waste Ignitable or reactive waste must not be placed in a waste pile, unless the waste and waste pile satisfy all applicable requirements of 35 Ill. Adm. Code 728, and the following: a) The waste is treated, rendered,…

Section 724.357 Special Requirements for Incompatible Wastes a) Incompatible wastes, or incompatible wastes and materials, (see Appendix E for examples) must not be placed in the same pile, unless Section 724.117(b) is complied with. b) A pile of hazardous waste that is incompati…

Section 724.358 Closure and Post-Closure Care a) At closure, the owner or operator must remove or decontaminate all waste residues, contaminated containment system components (liners, etc), contaminated subsoils, and structures and equipment contaminated with waste and leachate a…

Section 724.359 Special Requirements for Hazardous Wastes F020, F021, F022, F023, F026, and F027 a) Hazardous Wastes F020, F021, F022, F023, F026, and F027 must not be placed in waste piles that are not enclosed (as defined in Section 724.350(c)) unless the owner or operator oper…

Section 724.370 Applicability The regulations in this Subpart M apply to owners and operators of facilities that treat or dispose of hazardous waste in land treatment units, except as Section 724.101 provides otherwise. (Source: Amended at 27 Ill. Reg. 3725, effective February 14…

Section 724.371 Treatment Program a) An owner or operator subject to this Subpart M must establish a land treatment program that is designed to ensure that hazardous constituents placed in or on the treatment zone are degraded, transformed or immobilized within the treatment zone…

Section 724.372 Treatment Demonstration a) For each waste that will be applied to the treatment zone, the owner or operator must demonstrate, prior to application of the waste, that the hazardous constituents in the waste can be completely degraded, transformed, or immobilized in…

Section 724.373 Design and Operating Requirements The Agency must specify in the facility permit how the owner or operator will design, construct, operate, and maintain the land treatment unit in compliance with this Section. a) The owner or operator must design, construct, opera…

Section 724.376 Food-Chain Crops The Agency may allow the growth of food-chain crops in or on the treatment zone only if the owner or operator satisfies the conditions of this Section. The Agency must specify in the facility permit the specific food-chain crops that may be grown.…

Section 724.378 Unsaturated Zone Monitoring An owner or operator subject to this Subpart M must establish an unsaturated zone monitoring program to carry out the following responsibilities: a) The owner or operator must monitor the soil and soil-pore liquid to determine whether h…

Section 724.379 Recordkeeping The owner or operator must include hazardous waste application dates and rates in the operating record required under Section 724.173.

Section 724.380 Closure and Post-Closure Care a) During the closure period the owner or operator must do the following: 1) It must continue all operations (including pH control) necessary to maximize degradation, transformation, or immobilization of hazardous constituents within …

Section 724.381 Special Requirements for Ignitable or Reactive Waste The owner or operator must not apply ignitable or reactive waste to the treatment zone, unless the waste and the treatment zone satisfy all applicable requirements of 35 Ill. Adm. Code 728, and the following is …

Section 724.382 Special Requirements for Incompatible Wastes The owner or operator must not place incompatible wastes, or incompatible wastes and materials (see Appendix E for examples), in or on the same treatment zone, unless Section 724.117(b) is complied with. (Source: Amende…

Section 724.383 Special Requirements for Hazardous Wastes F020, F021, F022, F023, F026, and F027 a) Hazardous Wastes F020, F021, F022, F023, F026, and F027 must not be placed in a land treatment unit unless the owner or operator operates the facility in accordance with a manageme…

Section 724.400 Applicability The regulations in this Subpart N apply to owners and operators of facilities that dispose of hazardous waste in landfills, except as Section 724.101 provides otherwise. (Source: Amended at 27 Ill. Reg. 3725, effective February 14, 2003)

Section 724.401 Design and Operating Requirements a) Any landfill that is not covered by subsection (c) or 35 Ill. Adm. Code 725.401(a) must have a liner system for all portions of the landfill (except for existing portions of such landfill). The liner system must have the follow…

Section 724.402 Action Leakage Rate a) The Agency must approve an action leakage rate for landfill units subject to Section 724.401(c) or (d). The action leakage rate is the maximum design flow rate that the LDS can remove without the fluid head on the bottom liner exceeding 1 fo…

Section 724.403 Monitoring and Inspection a) During construction or installation, liners (except in the case of existing portions of landfills exempt from Section 724.401(a)) and cover systems (e.g., membranes, sheets or coatings) must be inspected for uniformity, damage and impe…

Section 724.404 Response Actions a) The owner or operator of landfill units subject to Section 724.401(c) or (d) must have an approved response action plan before receipt of waste. The response action plan must set forth the actions to be taken if the action leakage rate has been…

Section 724.409 Surveying and Recordkeeping The owner or operator of a landfill must maintain the following items in the operating record required under Section 724.173: a) On a map, the exact location and dimensions, including depth, of each cell with respect to permanently surv…