Chapter NR 506
LANDFILL OPERATIONAL CRITERIA
NR 506.05 Daily cover requirements. NR 506.055 Alternate daily cover. NR 506.06 Intermediate cover. NR 506.07 Operational requirements for landfills. NR 506.08 Closure requirements. NR 506.083 Closure requirements for CCR landfills. NR 506.084 Long-term care requirements for CCR landfills. NR 506.09 Waste characterization. NR 506.095 Prohibited items. NR 506.105 Untreated contaminated unconsolidated material. NR 506.11 Infectious waste. NR 506.12 Ultra low-level radioactive waste. NR 506.13 Free liquids wastes. NR 506.135 Leachate recirculation. NR 506.14 Non-free liquid solid wastes. NR 506.15 Management of residue produced by burning municipal solid waste. NR 506.155 Very small quantities of hazardous waste. NR 506.16 Procedures for excluding the receipt of waste not specifically approved for acceptance at the landfill. NR 506.17 Record keeping. NR 506.19 Landfill compliance certifications and audits. NR 506.20 Inspection and reporting requirements for a CCR landfill. NR 506.01NR 506.01 Purpose. The purpose of this chapter is to help ensure that efficient, nuisance-free and environmentally acceptable solid waste management procedures are practiced in Wisconsin and to outline the requirements regarding operational criteria for solid waste landfills and surface impoundments. This chapter is adopted under ch. 289, Stats., and s. 227.11, Stats. NR 506.01 HistoryHistory: Cr. Register, January, 1988, No. 385, eff. 2-6-88. NR 506.02(1)(a)(a) Except as provided in par. (b) and except as otherwise provided, this chapter governs all solid waste disposal facilities as defined under s. 289.01 (35), Stats., including all CCR landfills and expansions. NR 506.02(2)(2) This chapter does not apply to the design, construction or operation of industrial wastewater facilities, sewerage systems and waterworks treating liquid wastes approved under s. 281.41, Stats., or permitted under ch. 283, Stats., nor to facilities used solely for the disposal of liquid municipal or industrial wastewater facilities, sewerage systems and waterworks treating liquid wastes approved under s. 281.41, Stats., or permitted under ch. 283, Stats., except for facilities used for the disposal of solid waste. NR 506.02 HistoryHistory: Cr. Register, January, 1988, No. 385, eff. 2-6-88; correction in (1) made under s. 13.93 (2m) (b) 7., Stats., Register, May, 1992, No. 437; am. (1), Register, June, 1996, No. 486, eff. 7-1-96; correction in (1) made under s. 13.93 (2m) (b) 7., Stats., Register December 2006 No. 612; CR 13-057: am. (1) Register July 2015 No. 715, eff. 8-1-15; CR 21-076: renum. (1) to (1) (a) and (b) 1. to 3. and am., cr. (1) (b) Register July 2022 No. 799, eff. 8-1-22. NR 506.03 HistoryHistory: Cr. Register, January, 1988, No. 385, eff. 2-6-88. NR 506.04NR 506.04 Open burning. The department may approve burning of brush, grubbed material and other similar material in accordance with air management, solid waste management and all other applicable regulations. NR 506.04 HistoryHistory: Cr. Register, January, 1988, No. 385, eff. 2-6-88; r. and recr., Register, June, 1996, No. 486, eff. 7-1-96. NR 506.05(1)(1) Municipal solid waste. All solid waste disposed in a municipal solid waste landfill shall be compacted and completely covered at the end of each operating day with a compacted layer of at least 6 inches of soil. Alternate daily cover materials may be approved or mandated by the department as required in s. NR 506.055. If clay soil is used for daily cover purposes, it shall be scarified or removed prior to placement of the next lift of solid waste. NR 506.05(2)(2) Industrial and commercial waste. Unless otherwise specified by the department, high volume industrial waste is not subject to daily cover requirements, unless disposed of in a municipal solid waste landfill. All other industrial waste and commercial waste shall be compacted and completely covered at the end of each operating day with a compacted layer of at least 6 inches of soil or other material approved in writing by the department. The department may grant an exemption in writing for less frequent covering. In granting such exemptions, the department shall consider the characteristics of the solid waste, the leaching potential of the solid waste and the potential for nuisance conditions if other than daily covering is utilized. NR 506.05 HistoryHistory: Cr. Register, January, 1988, No. 385, eff. 2-6-88; r. and recr. (1), am. (2), Register, June, 1996, No. 486, eff. 7-1-96. NR 506.055(1)(1) Facilities seeking approval. An owner or operator of a solid waste landfill seeking approval from the department to use an alternate daily cover material shall submit the following information: NR 506.055(1)(a)(a) Type of material to be used, including its chemical and physical properties as required in s. NR 506.09. A discussion of the material’s successful use at other solid waste landfills in controlling vectors, windblown material and odors may be required. NR 506.055(1)(c)(c) Conditions when alternate daily cover cannot be used, including but not limited to weather conditions, equipment breakdown, ability to obtain a sufficient quantity of alternate daily cover, maximum time alternate daily cover can be exposed, and a discussion of back-up cover materials for use when alternate cover cannot be used. NR 506.055(1)(d)(d) Discussion of how the alternate cover material will be stored on-site prior to its use, including measures to be taken to prevent transportation of contaminants to groundwater and surface water, and prevention of windblown nuisances. NR 506.055(2)(2) Mandated use of alternate daily cover. Upon request from a person operating a foundry or a scrap dealer in the state of Wisconsin, the department shall require that a person operating a municipal solid waste landfill accept and use the requested foundry sand or shredder fluff for cover at part or all of the landfill for the period specified in the request if all of the following conditions are met: NR 506.055(2)(a)(a) The foundry operator or scrap dealer agrees to transport the foundry sand or shredder fluff to the landfill either daily or on another schedule acceptable to the municipal solid waste landfill operator. NR 506.055(2)(b)(b) The department approves the use of the foundry sand or shredder fluff for cover at the landfill. NR 506.055(2)(c)(c) The landfill operator is not contractually bound to obtain cover from another source. NR 506.055(2)(d)(d) The amount of cover to be provided by the requesting foundry operator or scrap dealer does not exceed the amount of cover required under the plan of operation for the landfill less any cover provided by another foundry operator or scrap dealer. NR 506.055(3)(3) General approval for the use of alternate daily cover. The department may issue general approvals for use of specific alternate daily cover materials which have been demonstrated to control disease vectors, fires, odors, blowing litter and scavenging without presenting a threat to human health and the environment. NR 506.055 HistoryHistory: Cr. Register, June, 1996, No. 486, eff. 7-1-96. NR 506.06NR 506.06 Intermediate cover. Unless otherwise approved by the department in writing, any portion of a landfill which has been used for solid waste disposal but will not receive additional solid waste for a period exceeding 6 months shall be covered with one foot of fine grained intermediate cover or other material approved by the department. A specific soil type may be specified by the department for this one foot layer. The intermediate cover shall be compacted and adequately sloped to allow storm water runoff. The slopes shall be no less than 5% and no greater than 33%. The department may require that intermediate slopes be vegetated depending on the length of time they will remain open. This section does not apply to high volume industrial waste nor does it apply to wood residue approved as a construction material or to provide protection of the liner from frost under s. NR 506.07 (3) (b), unless specifically required by the department. NR 506.06 HistoryHistory: Cr. Register, January, 1988, No. 385, eff. 2-6-88; am., Register, June, 1996, No. 486, eff. 7-1-96. NR 506.07NR 506.07 Operational requirements for landfills. No person may operate or maintain a new or existing landfill except in conformance with any approved plan of operation and the following minimum requirements: NR 506.07(1)(a)(a) Daily disposal of solid waste shall be confined to as small an area as practical. NR 506.07(1)(b)(b) Provisions shall be made to confine windblown material within the active disposal area. NR 506.07(1)(c)(c) At the conclusion of each day of operation, all windblown material shall be collected and properly disposed of in the active area in accordance with the provisions of this section unless the operator establishes, to the satisfaction of the department, that all windblown material cannot be collected using reasonable efforts because of conditions beyond the control of the operator, and windblown material which can be collected using a reasonable effort has been collected and properly disposed and nuisance conditions do not exist. NR 506.07(1)(d)(d) Putrescible materials such as spoiled foods and animal carcasses shall be immediately compacted and covered. NR 506.07(1)(e)(e) Access to the landfill shall be restricted through the use of fencing, natural barriers or other methods approved in writing by the department. NR 506.07(1)(f)(f) Effective means shall be taken to limit access to the active disposal area to minimize exposure of the public to hazards. NR 506.07(1)(g)(g) Effective means shall be taken to control birds, flies, rodents, deer and other animals. NR 506.07(1)(h)(h) Equipment shall be provided to control accidental fires and arrangements shall be made with the local fire protection agency to acquire its services when needed. NR 506.07(1)(i)(i) As required in s. NR 524.05, a trained operator or certified facility manager shall be present at the landfill during all hours of operation, and a list of names of trained operators and certified facility managers shall be maintained at the landfill. NR 506.07(1)(j)(j) A gate shall be provided at the entrance to the operation and it shall be kept locked when an attendant is not on duty. NR 506.07(1)(k)(k) The gate area shall be policed at the beginning of each day of operation to remove any solid waste which has been indiscriminately dumped during periods when the landfill was closed. NR 506.07(1)(L)(L) A sign, acceptable to the department, shall be posted at the entrance of any landfill operated for public use which indicates the landfill name, license number, the hours of operation, waste types accepted, penalty for unauthorized use, necessary safety precautions and any other pertinent information. NR 506.07(1)(m)(m) The landfill shall be surrounded with rapidly growing trees, shrubbery, fencing, berms or other appropriate means to screen it from the surrounding area and to provide a wind break. NR 506.07(1)(o)(o) Scavenging within the active disposal area is prohibited. NR 506.07(1)(p)(p) Provisions shall be made for back-up equipment in the event of operating equipment breakdown. NR 506.07(1)(q)(q) A minimum separation distance of 20 feet shall be maintained between the limits of filling and adjacent property or the perimeter of the licensed acreage, whichever is closer at nonapproved facilities as defined in s. 289.01 (24), Stats. At all other facilities, a minimum separation distance of 100 feet shall be maintained between the limits of solid waste filling and the property boundary or the perimeter of the licensed acreage, whichever is closer. The department may require additional separation distance if necessary to provide for vehicle access, drainage, monitoring, gas migration control, separation to adjacent homes or other landfill development factors. NR 506.07(1)(r)(r) All topsoil within the landfill construction limits shall be salvaged and stored within the property boundaries for use in landfill closure. All stockpiled soil material which is not anticipated to be used within 6 months shall be seeded.
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Department of Natural Resources (NR)
Chs. NR 500-599; Environmental Protection – Solid Waste Management
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