NR 665.0224 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06; CR 16-007: am. (1) Register July 2017 No. 739, eff. 8-1-17. NR 665.0225NR 665.0225 Waste analysis and trial tests. In addition to the waste analyses required by s. NR 665.0013, whenever a surface impoundment is to be used to chemically treat a hazardous waste which is substantially different from waste previously treated in that impoundment or chemically treat hazardous waste with a substantially different process than any previously used in that impoundment, before treating the different waste or using the different process the owner or operator shall do either of the following: NR 665.0225(1)(1) Conduct waste analyses and trial treatment tests (e.g., bench scale or pilot plant scale tests). NR 665.0225(2)(2) Obtain written, documented information on similar treatment of similar waste under similar operating conditions to show that this treatment will comply with s. NR 665.0017 (2). NR 665.0225 NoteNote: As required by s. NR 665.0013, the waste analysis plan shall include analyses needed to comply with ss. NR 665.0229 and 665.0230. As required by s. NR 665.0073, the owner or operator shall place the results from each waste analysis and trial test, or the documented information, in the operating record of the facility. NR 665.0225 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06. NR 665.0226(1)(1) The owner or operator shall inspect both of the following: NR 665.0226(1)(b)(b) The surface impoundment, including dikes and vegetation surrounding the dike, at least once a week to detect any leaks, deterioration or failures in the impoundment. NR 665.0226(2)(a)(a) An owner or operator required to have a leak detection system under s. NR 665.0221 (1) shall record the amount of liquids removed from each leak detection system sump at least once each week during the active life and closure period. NR 665.0226(2)(b)(b) After the final cover is installed, the amount of liquids removed from each leak detection system sump shall be recorded at least monthly. If the liquid level in the sump stays below the pump operating level for 2 consecutive months, the amount of liquids in the sumps shall be recorded at least quarterly. If the liquid level in the sump stays below the pump operating level for 2 consecutive quarters, the amount of liquids in the sumps shall be recorded at least semi-annually. If at any time during the long-term care period the pump operating level is exceeded at units on quarterly or semi-annual recording schedules, the owner or operator shall return to monthly recording of amounts of liquids removed from each sump until the liquid level again stays below the pump operating level for 2 consecutive months. NR 665.0226(2)(c)(c) “Pump operating level” is a liquid level proposed by the owner or operator and approved by the department based on pump activation level, sump dimensions and level that avoids backup into the drainage layer and minimizes head in the sump. The timing for submission and approval of the proposed “pump operating level” will be in accordance with s. NR 665.0222 (1). NR 665.0226 NoteNote: As required by s. NR 665.0015(3), the owner or operator shall remedy any deterioration or malfunction the owner or operator finds. NR 665.0226 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06. NR 665.0228(1)(a)(a) Remove or decontaminate all waste residues, contaminated containment system components (liners, etc.), contaminated subsoils and structures and equipment contaminated with waste and leachate, and manage them as hazardous waste unless s. NR 661.0003 (4) applies. NR 665.0228(1)(b)(b) Close the impoundment and provide long-term care for a landfill under subch. G and s. NR 665.0310, including all of the following: NR 665.0228(1)(b)1.1. Eliminate free liquids by removing liquid wastes or solidifying the remaining wastes and waste residues. NR 665.0228(1)(b)2.2. Stabilize remaining wastes to a bearing capacity sufficient to support the final cover. NR 665.0228(1)(b)3.3. Cover the surface impoundment with a final cover designed and constructed to do all of the following: NR 665.0228(1)(b)3.a.a. Provide long-term minimization of the migration of liquids through the closed impoundment. NR 665.0228(1)(b)3.e.e. Have a permeability less than or equal to the permeability of any bottom liner system or natural subsoils present. NR 665.0228(2)(2) In addition to the requirements of subch. G and s. NR 665.0310, during the long-term care period, the owner or operator of a surface impoundment in which wastes, waste residues or contaminated materials remain after closure in accordance with the provisions of sub. (1) (b), shall do all of the following: NR 665.0228(2)(a)(a) Maintain the integrity and effectiveness of the final cover, including making repairs to the cover as necessary to correct the effects of settling, subsidence, erosion or other events. NR 665.0228(2)(c)(c) Maintain and monitor the groundwater monitoring system and comply with all other applicable requirements of subch. F. NR 665.0228(2)(d)(d) Prevent run-on and run-off from eroding or otherwise damaging the final cover. NR 665.0228 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06; CR 19-082: am. (1) (a) Register August 2020 No. 776, eff. 9-1-20. NR 665.0229NR 665.0229 Special requirements for ignitable or reactive waste. Ignitable or reactive waste may not be placed in a surface impoundment, unless the waste and impoundment satisfy all applicable requirements of ch. NR 668, and sub. (1), (2) or (3): NR 665.0229(1)(1) The waste is treated, rendered or mixed before or immediately after placement in the impoundment so that both of the following apply: NR 665.0229(2)(a)(a) The waste is managed in such a way that it is protected from any material or conditions which may cause it to ignite or react. NR 665.0229(2)(c)(c) The owner or operator obtains a certification from a qualified chemist or engineer that, to the best of that person’s knowledge and opinion, the design features or operating plans of the facility will prevent ignition or reaction. NR 665.0229(2)(d)(d) The certification and the basis for it are maintained at the facility. NR 665.0229(3)(3) The surface impoundment is used solely for emergencies. NR 665.0229 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06; CR 19-082: am. (1) (a) Register August 2020 No. 776, eff. 9-1-20. NR 665.0230NR 665.0230 Special requirements for incompatible wastes. Incompatible wastes, or incompatible wastes and materials, (see ch. NR 665 Appendix V for examples) may not be placed in the same surface impoundment, unless s. NR 665.0017 (2) is complied with. NR 665.0230 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06; correction made under s. 13.92 (4) (b) 7., Stats., Register March 2013 No. 687. NR 665.0231NR 665.0231 Air emission standards. The owner or operator shall manage all hazardous waste placed in a surface impoundment in accordance with the applicable requirements of subchs. BB and CC. NR 665.0231 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06. NR 665.0250NR 665.0250 Applicability. This subchapter applies to owners and operators of facilities that treat or store hazardous waste in piles, except as s. NR 665.0001 provides otherwise. Alternatively, a pile of hazardous waste may be managed as a landfill under subchapter N. NR 665.0250 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06. NR 665.0251NR 665.0251 Protection from wind. The owner or operator of a pile containing hazardous waste which could be subject to dispersal by wind shall cover or otherwise manage the pile so that wind dispersal is controlled. NR 665.0251 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06. NR 665.0252NR 665.0252 Waste analysis. In addition to the waste analyses required by s. NR 665.0013, the owner or operator shall analyze a representative sample of waste from each incoming movement before adding the waste to any existing pile, unless the only wastes the facility receives which are amenable to piling are compatible with each other, or the waste received is compatible with the waste in the pile to which it is to be added. The analysis conducted shall be capable of differentiating between the types of hazardous waste the owner or operator places in piles, so that mixing of incompatible waste does not inadvertently occur. The analysis shall include a visual comparison of color and texture. NR 665.0252 NoteNote: As required by s. NR 665.0013, the waste analysis plan shall include analyses needed to comply with ss. NR 665.0256 and 665.0257. As required by s. NR 665.0073, the owner or operator shall place the results of this analysis in the operating record of the facility. NR 665.0252 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06. NR 665.0253NR 665.0253 Containment. If leachate or run-off from a pile is a hazardous waste, the owner or operator shall comply with sub. (1) or (2): NR 665.0253(1)(a)(a) The pile shall be placed on an impermeable base that is compatible with the waste under the conditions of treatment or storage. NR 665.0253(1)(b)(b) The owner or operator shall design, construct, operate and maintain a run-on control system capable of preventing flow onto the active portion of the pile during peak discharge from at least a 25-year storm. NR 665.0253(1)(c)(c) The owner or operator shall design, construct, operate and maintain a run-off management system to collect and control at least the water volume resulting from a 24-hour, 25-year storm. NR 665.0253(1)(d)(d) Collection and holding facilities (e.g., tanks or basins) associated with run-on and run-off control systems shall be emptied or otherwise managed expeditiously to maintain design capacity of the system. NR 665.0253(2)(a)(a) The pile shall be protected from precipitation and run-on by some other means. NR 665.0253(2)(b)(b) No liquids or wastes containing free liquids may be placed in the pile. NR 665.0253 NoteNote: If collected leachate or run-off is discharged through a point source to waters of the state, it is subject to the requirements of ss. 283.31 and 283.33, Stats. NR 665.0253 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06. NR 665.0254NR 665.0254 Design and operating requirements. The owner or operator of each new waste pile on which construction commences after June 1, 1995, each lateral expansion of a waste pile unit on which construction commences after June 1, 1995 and each replacement of an existing waste pile unit that is to commence reuse after June 1, 1995 shall install 2 or more liners and a leachate collection and removal system above and between the liners, and operate the leachate collection and removal systems in accordance with s. NR 664.0251 (3), unless exempted under s. NR 664.0251 (4), (5) or (6), and shall comply with the procedures of s. NR 665.0221 (2). “Construction commences” is as defined in s. NR 660.10 under “existing facility”. NR 665.0254 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06. NR 665.0255(1)(1) The owner or operator of waste pile units subject to s. NR 665.0254 shall submit a proposed action leakage rate to the department when submitting the notice required under s. NR 665.0254. Within 60 days of receipt of the notification, the department shall establish an action leakage rate, either as proposed by the owner or operator or modified using the criteria in this section, or extend the review period for up to 30 days. If no action is taken by the department before the original 60 or extended 90 day review periods, the action leakage rate shall be approved as proposed by the owner or operator. NR 665.0255(2)(2) The department shall approve an action leakage rate for waste pile units subject to s. NR 665.0254. The action leakage rate is the maximum design flow rate that the leak detection system can remove without the fluid head on the bottom liner exceeding one foot. The action leakage rate shall include an adequate safety margin to allow for uncertainties in the design (e.g., slope, hydraulic conductivity, thickness of drainage material), construction, operation and location of the leak detection system, waste and leachate characteristics, likelihood and amounts of other sources of liquids in the leak detection system and proposed response actions (e.g., the action leakage rate shall consider decreases in the flow capacity of the system over time resulting from siltation and clogging, rib layover and creep of synthetic components of the system, overburden pressures, etc.). NR 665.0255(3)(3) To determine if the action leakage rate has been exceeded, the owner or operator shall convert the weekly flow rate from the monitoring data obtained under s. NR 665.0260, to an average daily flow rate (gallons per acre per day) for each sump. Unless the department approves a different calculation, the average daily flow rate for each sump shall be calculated weekly during the active life and closure period. NR 665.0255 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06. NR 665.0256NR 665.0256 Special requirements for ignitable or reactive waste. Ignitable or reactive waste may not be placed in a pile unless the waste and pile satisfy all applicable requirements of ch. NR 668, and either of the following: NR 665.0256(2)(2) The waste is managed in such a way that it is protected from any material or conditions which may cause it to ignite or react. NR 665.0256 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06; CR 19-082: am. (1) Register August 2020 No. 776, eff. 9-1-20. NR 665.0257NR 665.0257 Special requirements for incompatible wastes. NR 665.0257(2)(2) A pile of hazardous waste that is incompatible with any waste or other material stored nearby in other containers, piles, open tanks or surface impoundments shall be separated from the other materials, or protected from them by means of a dike, berm, wall or other device. NR 665.0257 NoteNote: The purpose of this is to prevent fires, explosions, gaseous emissions, leaching or other discharge of hazardous waste or hazardous waste constituents which could result from the contact or mixing of incompatible wastes or materials.
NR 665.0257(3)(3) Hazardous waste may not be piled on the same area where incompatible wastes or materials were previously piled, unless that area has been decontaminated sufficiently to ensure compliance with s. NR 665.0017 (2). NR 665.0257 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06; correction in (1) made under s. 13.92 (4) (b) 7., Stats., Register March 2013 No. 687. NR 665.0258(1)(1) At closure, the owner or operator shall remove or decontaminate all waste residues, contaminated containment system components (liners, etc.), contaminated subsoils and structures and equipment contaminated with waste and leachate, and manage them as hazardous waste unless s. NR 661.0003 (4) applies. NR 665.0258(2)(2) If, after removing or decontaminating all residues and making all reasonable efforts to effect removal or decontamination of contaminated components, subsoils, structures and equipment as required in sub. (1), the owner or operator finds that not all contaminated subsoils can be practicably removed or decontaminated, the owner or operator shall close the facility and perform long-term care in accordance with the closure and long-term care requirements that apply to landfills (s. NR 665.0310). NR 665.0258 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06; CR 19-082: am. (1) Register August 2020 No. 776, eff. 9-1-20.
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