Illinois Administrative Code

Section 725.300 Waste Analysis and Trial Tests In addition to performing the waste analysis required by Section 725.113, whenever a tank system is to be used to chemically treat or to store a hazardous waste that is substantially different from waste previously treated or stored …

Section 725.301 Generators of 100 to 1,000 Kilograms of Hazardous Waste Per Month (Repealed) (Source: Repealed at 42 Ill. Reg. 23725, effective November 19, 2018)

Section 725.302 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. 23725, effective November 19, 2018) SUBPART K: SURFACE IMPOUNDMENTS

Section 725.320 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 725.101 provides otherwise. (Source: Amended at 29 Ill. Reg. 6389, effective…

Section 725.321 Design and Operating Requirements a) The owner or operator of each new surface impoundment unit, each lateral expansion of a surface impoundment unit, and each replacement of an existing surface impoundment unit must install two or more liners and a leachate colle…

Section 725.322 Action Leakage Rate a) The owner or operator of surface impoundment units subject to Section 725.321(a) must submit a proposed action leakage rate to the Agency when submitting the notice required under Section 725.321(b). Within 60 days of receipt of the notifica…

Section 725.323 Containment System An earthen dike must have a protective cover, such as grass, shale, or rock to minimize wind and water erosion and to preserve its structural integrity. (Source: Renumbered from Section 725.324 and amended at 32 Ill. Reg. 12566, effective July 1…

Section 725.324 Response Actions a) The owner or operator of surface impoundment units subject to Section 725.321(a) must develop and keep on site a response action plan. The response action plan must set forth the actions to be taken if the action leakage rate has been exceeded.…

Section 725.325 Waste Analysis and Trial Tests In addition to the waste analyses required by Section 725.113, whenever a surface impoundment is to be used for either of the purposes in subsections (a) and (b), the owner or operator must, before treating the different waste or usi…

Section 725.326 Monitoring and Inspections a) The owner or operator must inspect the following: 1) The freeboard level at least once each operating day to ensure compliance with Section 725.322; and 2) The surface impoundment, including dikes and vegetation surrounding the dike, …

Section 725.328 Closure and Post-Closure Care a) At closure, the owner or operator must do either of the following: 1) Remove or decontaminate all waste residues, contaminated containment system components (liners, etc.), contaminated subsoils, and structures and equipment contam…

Section 725.329 Special Requirements for Ignitable or Reactive Wastes 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 one of the following conditions is ful…

Section 725.330 Special Requirements for Incompatible Wastes Incompatible wastes, or incompatible waste and materials (see appendix V of 40 CFR 265 (Examples of Potentially Incompatible Waste), incorporated by reference in 35 Ill. Adm. Code 720.111(b), for examples) must not be p…

Section 725.331 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 of 35 Ill. Adm. Code 724. (Source: Amended at 29 Ill. Reg. 6389, effective April 22, 2005) SUBPAR…

Section 725.350 Applicability The regulations in this Subpart L apply to owners and operators of facilities that treat or store hazardous waste in piles, except as Section 725.101 provides otherwise. Alternatively, a pile of hazardous waste may be managed as a landfill under Subp…

Section 725.351 Protection from Wind The owner or operator of a pile containing hazardous waste that could be subject to dispersal by wind must cover or otherwise manage the pile so that wind dispersal is controlled. (Source: Amended at 29 Ill. Reg. 6389, effective April 22, 2005…

Section 725.352 Waste Analysis a) In addition to the waste analyses required by Section 725.113, the owner or operator must analyze a representative sample of waste from each incoming movement before adding the waste to any existing pile unless either of the following conditions …

Section 725.353 Containment If leachate or run-off from a pile is a hazardous waste, then control of the leachate or run-off must be accomplished by either of the following means: a) Control by Pile Design, Construction, and Operation 1) The pile must be placed on an impermeable …

Section 725.354 Design and Operating Requirements The owner or operator of each new waste pile on which construction commences after January 29, 1992, each lateral expansion of a waste pile unit on which construction commences after July 29, 1992, and each such replacement of an …

Section 725.355 Action Leakage Rates a) The owner or operator of waste pile units subject to Section 725.354 must submit a proposed action leakage rate to the Agency when submitting the notice required under Section 725.354. Within 60 days after receipt of the notification, the A…

Section 725.356 Special Requirements for Ignitable or Reactive Wastes Ignitable or reactive waste must not be placed in a pile, unless the waste and pile meet all applicable requirements of 35 Ill. Adm. Code 728, and either of the following is true: a) Both of the following are t…

Section 725.357 Special Requirements for Incompatible Wastes a) Incompatible wastes, or incompatible wastes and materials (see appendix V of 40 CFR 265 (Examples of Potentially Incompatible Waste), incorporated by reference in 35 Ill. Adm. Code 720.111(b), for examples) must not …

Section 725.358 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 …

Section 725.359 Response Actions a) The owner or operator of waste pile units subject to Section 725.354 must submit a response action plan to the Agency when submitting the proposed action leakage rate under Section 725.355. The response action plan must set forth the actions to…

Section 725.360 Monitoring and Inspections An owner or operator required to have a LDS under Section 725.354 must record the amount of liquids removed from each LDS sump at least once each week during the active life and closure period. (Source: Amended at 29 Ill. Reg. 6389, effe…

Section 725.370 Applicability The regulations in this Subpart M apply to owners and operators of hazardous waste land treatment facilities, except as Section 725.101 provides otherwise. (Source: Amended at 29 Ill. Reg. 6389, effective April 22, 2005)

Section 725.372 General Operating Requirements a) Hazardous waste must not be placed in or on a land treatment facility, unless the waste can be made less hazardous or non-hazardous by degradation, transformation, or immobilization processes occurring in or on the soil. b) The ow…

Section 725.373 Waste Analysis In addition to the waste analyses required by Section 725.113, before placing a hazardous waste in or on a land treatment facility, the owner or operator must do each of the following: a) Determine the concentrations in the waste of any substances t…

Section 725.376 Food Chain Crops a) This subsection (a) corresponds with 40 CFR 265.276(a), which required notification of activity before a date long past. This statement maintains structural consistency with the corresponding federal rules. BOARD NOTE: Growing food chain crops …

Section 725.378 Unsaturated Zone (Zone of Aeration) Monitoring a) The owner or operator must have in writing, and must implement, an unsaturated zone monitoring plan that is designed to accomplish the following: 1) It must detect the vertical migration of hazardous waste and haza…

Section 725.379 Recordkeeping The owner or operator must include hazardous waste application dates and rates in the operating record required under Section 725.173. (Source: Amended at 7 Ill. Reg. 14034, effective October 12, 1983)

Section 725.380 Closure and Post-Closure Care a) In the closure plan under Section 725.212 and the post-closure plan under Section 725.218 the owner or operator must address the following objectives and indicate how they will be achieved: 1) Control of the migration of hazardous …

Section 725.381 Special Requirements for Ignitable or Reactive Wastes The owner or operator must not apply ignitable or reactive waste to the treatment zone unless the waste and treatment zone meet all applicable requirements of 35 Ill. Adm. Code 728, and: a) The waste is immedia…

Section 725.382 Special Requirements for Incompatible Wastes Incompatible wastes or incompatible wastes and materials (see appendix V of 40 CFR 265 (Examples of Potentially Incompatible Waste), incorporated by reference in 35 Ill. Adm. Code 720.111(b), for examples) must not be p…

Section 725.400 Applicability The regulations in this Subpart N apply to owners and operators of facilities that dispose of hazardous waste in landfills, except as Section 725.101 provides otherwise. A waste pile used as a disposal facility is a landfill and is governed by this S…

Section 725.401 Design Requirements a) The owner or operator of each new landfill unit, each lateral expansion of a landfill unit, and each replacement of an existing landfill unit must install two or more liners and a leachate collection and removal system above and between such…

Section 725.402 Action Leakage Rate a) The owner or operator of landfill units subject to Section 725.401(a) must submit a proposed action leakage rate to the Agency when submitting the notice required under Section 725.401(b). Within 60 days after receipt of the notification, th…

Section 725.403 Response Actions a) The owner or operator of landfill units subject to Section 725.401(a) must develop and keep on site until closure of the facility a response action plan. The response action plan must set forth the actions to be taken if the action leakage rate…

Section 725.404 Monitoring and Inspections a) An owner or operator required to have an LDS under Section 725.401(a) must record the amount of liquids removed from each LDS sump at least once each week during the active life and closure period. b) After the final cover is installe…

Section 725.409 Surveying and Recordkeeping The owner or operator of a landfill must maintain the following items in the operating record required in §725.173: a) On a map, the exact location and dimensions, including depth, of each cell with respect to permanently surveyed bench…

Section 725.410 Closure and Post-Closure Care a) At final closure of the landfill or upon closure of any cell, the owner or operator must cover the landfill or cell with a final cover designed and constructed to accomplish the following: 1) It must provide long-term minimization …

Section 725.412 Special Requirements for Ignitable or Reactive Wastes a) Except as provided in subsection (b) and in Section 725.416, ignitable or reactive waste must not be placed in a landfill, unless the waste and landfill meets all applicable requirements of 35 Ill. Adm. Code…

Section 725.413 Special Requirements for Incompatible Wastes Incompatible wastes or incompatible wastes and materials (see appendix V of 40 CFR 265 (Examples of Potentially Incompatible Waste), incorporated by reference in 35 Ill. Adm. Code 720.111(b), for examples) must not be p…

Section 725.414 Special Requirements for Liquid Wastes a) The placement of bulk or non-containerized liquid hazardous waste or hazardous waste containing free liquids (whether or not sorbents have been added) in any landfill is prohibited. b) Containers holding free liquids must …

Section 725.415 Special Requirements for Containers Unless they are very small, such as an ampule, containers must be in either of the following conditions: a) They must be at least 90 percent full when placed in the landfill; or b) They must be crushed, shredded, or similarly re…

Section 725.416 Disposal of Small Containers of Hazardous Waste in Overpacked Drums (Lab Packs) Small containers of hazardous waste in overpacked drums (lab packs) may be placed in a landfill if the following requirements are met: a) Hazardous waste must be packaged in non-leakin…

Section 725.440 Applicability a) The regulations in this Subpart O apply to owners or operators of hazardous waste incinerators (as defined in 35 Ill. Adm. Code 720.110), except as 35 Ill. Adm. Code 724.101 provides otherwise. b) Integration of the MACT Standards 1) Except as pro…