NR 514.04(5) (5)Review times. The department may not approve or disapprove a plan of operation until after the applicant obtains a favorable determination of feasibility for the landfill. The department shall either approve or disapprove the plan in writing within 90 days after submission of a complete plan of operation or within 60 days after a favorable determination of feasibility, whichever is later.
NR 514.04(6) (6)Plan approval modifications. Except as provided under s. NR 514.09, proposed changes to the approved plan shall be submitted to and approved by the department prior to implementation.
NR 514.04 History History: Cr. Register, January, 1988, No. 385, eff. 2-6-88; am. Register, June, 1996, No. 486, eff. 7-1-96; renum. (3) to (5) to be (4) to (6), cr. (3), Register, September, 1998, No. 513, eff. 10-1-98.
NR 514.05 NR 514.05Engineering plans. The plan of operation for all new landfills and expansions of existing landfills shall contain a set of engineering plans which are drawn in accordance with ss. NR 500.05 and 504.07 to 504.11, and the following requirements. Engineering plans shall be drawn on standard 24 inch by 36 inch plan sheets. If facility details cannot be shown on standard plan sheets at a 1:100 scale, the engineering plans may be drawn on 30 inch by 42 inch plan sheets. All plan sheets except the title sheet, existing conditions sheet, cross-sections and details sheets shall utilize the existing conditions sheet as a base map. For complex plans, existing conditions within the landfill area may be shown by lighter lines or may be eliminated.
NR 514.05(1) (1)Title sheet. A title sheet shall be included indicating the project title, who prepared the plans, the date the plans were prepared, the applicant for whom the plans were prepared, a table of contents, a map showing the location of the facility within the county or multicounty area, the location of the county or multicounty area within the state and the area to be served.
NR 514.05(2) (2)Existing conditions. An existing conditions plan shall be included consisting of a detailed topographic map of the proposed facility landfill and all areas within 1,500 feet of the proposed limits of filling prior to development. The minimum scale shall be 1" = 200 feet with a maximum 2 foot contour interval. The contour interval selected shall be sufficiently small to clearly show surface water flow patterns within and around the landfill. All elevations shall be related to USGS datum. The plan shall identify and define the following:
NR 514.05(2)(a) (a) Surface waters including intermittent and ephemeral streams and wetlands.
NR 514.05(2)(b) (b) Property boundaries, the proposed landfill boundary, and the proposed limits of filling.
NR 514.05(2)(c) (c) A north arrow, landfill survey grid, a formula for converting grid locations to the state plane coordinate system, and the locations of all existing and proposed survey monuments.
NR 514.05(2)(d) (d) Residential and commercial structures and other buildings.
NR 514.05(2)(e) (e) Locations of all soil borings, all existing and abandoned groundwater monitoring wells, and all public and private water supply wells, and the general locations of all known septic system drain fields within 1,000 feet of the landfill area or within 500 feet of any monitoring well.
NR 514.05(2)(f) (f) The locations of all other landfills, demolition landfills and all other solid waste facilities for the processing, storage or composting of solid wastes.
NR 514.05(2)(g) (g) Utility lines, underground pipelines and electrical lines, access control and other constructed topographic and drainage features.
NR 514.05(3) (3)Sub-base grades and base grades. Plan sheets shall be included which depict the sub-base grades, all sub-base appurtenances such as lysimeters or drain pipes, and the base grades.
NR 514.05(4) (4)Engineering design features. Separate plan sheets shall be included to depict the overall landfill area and the limits of liner construction and filling. The plan sheets shall depict the layout and slope of the liner system and leachate collection system including pipes, sumps, riser pipes on interior sideslopes, manholes, trenches, berms, lift stations, permanent storm water control structures, pipe cleanouts and other pertinent structures. Invert elevations shall be provided at any changes in grade for all leachate and groundwater collection and transfer systems.
NR 514.05(5) (5)Phasing. A series of phasing plan sheets shall be included to show landfill development through time. The location of peripheral features such as support buildings, access roads, drainage ditches, sedimentation basins, any other storm water management features and screening berms shall be indicated on this plan. At a minimum, a separate plan sheet shall be provided for initial construction and for each subsequent phase of development or new area where substantial construction is to be performed. These subsequent phasing plan sheets shall present the final filling surfaces in the previous phases of development; the limits of clearing, grubbing and topsoil removal; the base grades of the new phase of filling; the anticipated surface contours of soil stockpiles at the time depicted on the plan sheet; and storm water management features. Each plan shall include a list of construction items and quantities necessary to prepare the phase of development indicated on the plan.
NR 514.05(6) (6)Storm water management. Plan sheets shall be included which depict the features to be constructed for storm water management at the time of initial construction, during phased development, and after closure of the landfill. Plan sheets shall include the locations of sediment basins, drainage ditches, auxiliary sediment traps, and the anticipated extent of cleared ground and stockpiles during each major phase of landfill development. Plan sheets shall include a list of anticipated actions and materials needed for sediment and erosion control.
NR 514.05(7) (7)Waste final grades and final topography. A final waste grades plan sheet shall be included to indicate waste final grades, including daily and intermediate cover. A final topography plan sheet shall be included to indicate the appearance of the entire facility following closure including storm water drainage features and the location of gas extraction wells and all other penetrations of the final cover.
NR 514.05(8) (8)Monitoring. A facility monitoring plan shall be included to show the location of the design management zone as determined under s. NR 140.22 and all devices for the monitoring of leachate quality and quantity, unsaturated zone water quality and flow rate, groundwater quality, storm water quality, gas production, gas migration, gas condensate and surface settlement.
NR 514.05(9) (9)Long-term care. A long-term care plan sheet shall be included showing the topography of the landfill following closure. This plan sheet shall list those items anticipated to be performed during the period of long-term care including the proposed schedule for monitoring and maintenance of the landfill. This information may be included on the final topography plan sheet if clarity is not compromised or reference may be made to the appropriate section of the operations manual and design report.
NR 514.05(10) (10)Cross-sections and detailed plan review sheets.
NR 514.05(10)(a)(a) A minimum of 2 cross-sections in each direction shall be drawn perpendicular and parallel to the facility baseline through the major dimensions of the landfill. The location of the cross-sections shall be illustrated by a reduced scale plan view on each cross-section. Each combined engineering and geologic cross-section shall show:
NR 514.05(10)(a)1. 1. Existing grades.
NR 514.05(10)(a)2. 2. Sub-base, base, top of leachate collection blanket grades and final grades.
NR 514.05(10)(a)3. 3. Soil borings and monitoring wells which the section passes through or is adjacent to.
NR 514.05(10)(a)4. 4. Soil and bedrock types. For clarity, a number or symbol shall be used to label major soil units instead of extensive shading.
NR 514.05(10)(a)5. 5. Stabilized water table contours.
NR 514.05(10)(a)6. 6. Leachate collection and monitoring systems.
NR 514.05(10)(a)7. 7. Gas venting or extraction and monitoring systems.
NR 514.05(10)(a)8. 8. Limits of refuse filling.
NR 514.05(10)(a)9. 9. Erosion, storm water and sediment control structures.
NR 514.05(10)(a)10. 10. Access roads and ramps on the perimeter of the disposal area and within the active fill area.
NR 514.05(10)(a)11. 11. The filling sequence or phasing interfaces and other facility features.
NR 514.05(10)(b) (b) Cross-sections shall be included to illustrate all important construction features of the liner, final cover, lysimeters, leachate collection trenches and sumps, liner penetrations, sideslope risers, piping systems for gas and gas condensate and drainage systems for storm water.
NR 514.05(10)(c) (c) Detailed plan view sheets shall be included for piping outside the limits of filling for leachate header and drain lines, gas and condensate lines, and leachate forcemains, with notations of pipe slope and intersection elevations with appurtenances such as manholes, lift stations, collection tanks and gas blower stations.
NR 514.05(11) (11)Details. Drawings showing details and typical sections shall be included for storm water control structures; access roads; fencing; final cover and base liner systems; leachate and gas control systems such as pipe bedding, manholes, transfer lines, force mains and storage tanks; leachate transfer lines which extend through the liner; groundwater and unsaturated zone monitoring devices; and buildings. This plan sheet shall include all other construction details such as leachate and refuse containment berms between subsequent phases of development.
NR 514.05 History History: Cr. Register, January, 1988, No. 385, eff. 2-6-88; correction in (2) (k) made under s. 13.93 (2m) (b) 5., Stats., Register, May, 1994, No. 461; am. (intro.), (2) (intro.), (b), (5), (9), (11), r. and recr. (2) (c) to (k), (3), (4), (6) to (8), Register, June, 1996, No. 486, eff. 7-1-96; CR 05-020: am. (7) Register January 2006 No. 601, eff. 2-1-06.
NR 514.06 NR 514.06Operations manual and design report. The plan of operation for all new landfills and expansions of existing landfills shall contain an operations manual and design report which shall comply with ss. NR 500.05, 504.05 to 504.11 and, at a minimum, shall contain the following information:
NR 514.06(1) (1)Table of contents. The report shall include a table of contents which outlines by section title and page number the discussion required in this section.
NR 514.06(2) (2)General information. The report shall identify the name of the landfill; the registered professional engineer who prepared the plans; landfill owner, licensee and operator; location by quarter-quarter section; the proposed limits of filling; the anticipated life and closure date; disposal capacity; waste tonnages and corresponding volumes, percent municipal waste versus industrial waste, anticipated geographic service area, and anticipated industrial waste types; waste types and quantities to be disposed; any exemptions requested from the department; and a list of the conditions of facility development as stated in the feasibility determination and the measures incorporated in the plan of operation to address those conditions.
NR 514.06(3) (3)DESIGN RATIONALE. The report shall include a discussion of the considerations and rationale behind design of the discretionary aspects of major engineering features which are not explicitly required by state or federal regulations or the conditions of the department's feasibility approval for the landfill. This shall include base grade configuration and relationship to subsurface conditions, liner design, phases of landfill development and closure, traffic routing, storm water management, erosion, and sediment control measures, gas extraction and treatment systems, final cover systems, and monitoring systems. Specific attention shall be given to sidewall penetrations, sideslope riser and sump area volumes and construction, and piping located outside of the limits of filling. In addressing each of the above design items, the report shall indicate how the anticipated waste types and characteristics influenced the chosen design.
NR 514.06(4) (4)Initial construction. The report shall discuss initial preparations and construction methods relating to clearing and grubbing, topsoil stripping and other excavations; soil storage and visual screening development; storm water control features; base liner and granular drainage layers; leachate collection and gas venting systems; access roads and entrance area screening and fencing; environmental monitoring device installation and other special design features. This discussion shall propose a schedule of field measurements, photographs to be taken, and sampling and testing procedures to be utilized to verify that the infield conditions encountered were the same as those defined in the feasibility report.
NR 514.06(5) (5)Storm water management. The report shall describe storm water management at the time of initial construction, during phased development, and after closure of the landfill. The report shall include:
NR 514.06(5)(a) (a) Narrative demonstrating compliance with s. NR 504.09.
NR 514.06(5)(b) (b) Detailed description of temporary and permanent erosion and sediment control measures to be used to accomplish the concepts in s. NR 504.09 (1) (b).
NR 514.06(5)(c) (c) Specifications for design of sediment basins, culverts, drainage ditches, auxiliary sediment traps, and the anticipated extent of cleared ground and stockpiles during each major phase of landfill development.
NR 514.06(5)(d) (d) A list of anticipated actions and materials needed for sediment and erosion control.
NR 514.06(5)(e) (e) A maintenance and follow-up program designed to meet the concepts in s. NR 504.09 (1) (b).
NR 514.06(5)(f) (f) Schedules for the following activities: cleaning sediment basins and ditches; seeding and stabilization of stockpiles and drainage channels; and topsoiling, seeding and stabilization of disturbed areas and areas affected by erosion.
NR 514.06(6) (6)Soil requirements.
NR 514.06(6)(a)(a) The report shall include a proposed testing schedule to document the placement of all general soil fill and backfill, base liner, final cover layers and all venting or drainage layers used in any phase of development or closure. The report shall contain an explicit statement and description of testing methods if construction and documentation are proposed to be performed other than in accordance with the requirements of ch. NR 516. The report shall include justification for any proposed changes to the testing requirements of ch. NR 516.
NR 514.06(6)(b) (b) The report shall specify the proposed gradations of soil materials and the proposed size of the perforations used in the leachate collection system piping and the drainage layer in the final cover system. The report shall include an analysis of the pipe and soil materials to demonstrate whether the gradation of sand and gravel and the pipe opening sizes are stable and self-filtering. The report shall describe the use of filter layers or other mechanisms used to maintain the porosity in the leachate collection blanket, collection trenches and sumps.
NR 514.06(6)(c) (c) The report shall include the documentation required by s. NR 504.075 for any soil borrow source that was not included in the approved feasibility report for the landfill.
NR 514.06(7) (7)Monitoring.
NR 514.06(7)(a)(a) The report shall include a proposed monitoring program for groundwater, surface water, volumes and quality of gas and gas condensate, unsaturated zone, leachate volume and quality, and surface settlement developed in accordance with ch. NR 507 and the specific requirements of the feasibility approval. The proposed monitoring program shall include a table listing frequencies of sampling, parameters to be analyzed, and a schedule for the anticipated installation or abandonment of sampling points. The table shall indicate existing and proposed sampling points and devices and the anticipated periods during which the points and devices will be monitored before landfill development, during each major phase of landfill development, and during the period of long-term care.
NR 514.06(7)(b) (b) The report shall include a listing of all groundwater elevation data collected from all groundwater sampling points subsequent to preparation of the feasibility report.
NR 514.06(8) (8)Operations. The report shall describe the daily operations including a discussion of the timetable for the construction of each phase of liner or final cover; waste types accepted or excluded; typical waste handling techniques and methods for handling unusual waste types; hours of operation; traffic routing; storm water management; sediment and erosion control; windy, wet and cold weather disposal operations; fire protection equipment; anticipated staffing requirements; methods for vector, dust and odor control; daily cleanup; leachate removal during hours of operation as well as nights, weekends, and holidays; direction of filling; salvaging; record keeping; and parking for visitors, users and employees. The report shall describe any limitations or operational practices necessary due to the presence of other open or closed landfills, demolition landfills, processing facilities, storage facilities, composting facilities or any other solid waste facilities located on the same property.
NR 514.06(9) (9)Phased development. The report shall describe landfill operations and the development of subsequent phases. This discussion shall define the critical stage of refuse disposal for each phase as it relates to the start of construction of subsequent phases. The purpose of this planning is to ensure that the scheduling of future construction takes into account the length of the construction season, limitations imposed by weather and season, and the capacity remaining in existing phases such that an orderly transition is maintained. The report shall describe the anticipated construction in each phase for storm water management, monitoring, abandonment of fill areas, and the installation and maintenance of gas and leachate control structures.
NR 514.06(10) (10)Phased closure. The report shall describe landfill operations, actions taken when phases of the landfill reach waste final grades and closure of phases at waste final grades. The report shall include a discussion of the anticipated sequence of the required events for closure of the landfill and a discussion of those actions necessary to prepare the landfill for long-term care and final use.
NR 514.06(11) (11)Long-term care. The report shall include a proposed long-term care schedule describing the procedures to be utilized for the inspection and maintenance of cover vegetation, storm water control structures, refuse or ground surface settlement or siltation, erosion damage, gas and leachate control features, gas, leachate and groundwater monitoring, and other long-term care needs. The report shall include a final use plan for the landfill.
NR 514.06(12) (12)Written agreements. The appendix of the report shall include the following written agreements:
NR 514.06(12)(a) (a) A draft leachate treatment agreement.
NR 514.06(12)(b) (b) A signed clay procurement agreement or option for acquisition of the borrow source property for the volumes necessary to construct and close the first major phase of the facility.
NR 514.06(12)(c) (c) Any miscellaneous agreements such as easements.
NR 514.06(13) (13)Specifications. The report shall include specifications for construction, operation and closure of the landfill. These specifications shall include detailed instructions to the operator and any contractors for all aspects of construction and operation. References to specifications on the plan sheets shall be described. This may include information such as geosynthetic material installation instructions, tank manufacturer installation instructions and pump performance criteria, materials and construction methods for sideslope risers, sidewall penetrations, sump areas, and all piping located outside the limits of filling.
NR 514.06(14) (14)Design calculations. The report shall include and explain all design calculations to facilitate department review and provide the necessary information on financial responsibility for closure and long-term care of the landfill as required by subch. IV of ch. 289, Stats. The report shall include a discussion of all calculations, such as refuse to cover balance computations, base liner and final covering soils materials needs related to available borrow soil volumes, stockpile sizing estimates, required interface shear strength and shear strength of the soil materials where the interfaces evaluated include the upper and lower interfaces for all geosynthetics such as geomembranes, geotextiles, and geosynthetic clay liners, design of the storm water management system, infiltration and leachate collection and leakage volumes. All calculations shall be summarized with the detailed equations presented in the appendix of the report. References to the appropriate plan sheets, from which variables are obtained for these calculations, shall be included in these summaries.
NR 514.06(14m) (14m)Assessment. The report shall include an assessment of the shear strength and slope stability of soils and wastes in the following scenarios:
NR 514.06(14m)(a) (a) Interim and final waste slopes, incorporating in-field waste densities, settlement, leachate recirculation, precipitation and any other factors that affect strength of waste or final cover. The analyses shall include interior slopes between filling phases and exterior slopes after attainment of waste final grades.
NR 514.06(14m)(b) (b) Haul roads and access ramps on interim slopes at waste final grades and on final cover, including passive load of cover soils and dynamic loads due to construction, hauling and maintenance vehicles.
NR 514.06(15) (15)Financial responsibility analysis. A detailed analysis in accordance with ch. NR 520 shall be made of the costs associated with closure of the landfill and of performing each year of long-term care. All assumptions used in developing the cost estimates shall be listed, including sources of the cost estimates and rationale for the selected cost factors. The anticipated operating life and replacement schedule of all engineering design features shall be addressed and reflected in the cost estimates. The proposed methods of establishing proof of financial responsibility for closure as well as long-term care shall also be specified.
NR 514.06(16) (16)Appendix. An appendix shall be included which lists the references used and includes any additional data not previously presented, supplemental design calculations, material specifications, operating agreements such as draft leachate treatment agreements or signed soil borrow agreements, documents related to long-term care funding, documents related to placing a notification on the deed of properties with wells within the 1200-foot setback and other appropriate information.
NR 514.06 History History: Cr. Register, January, 1988, No. 385, eff. 2-6-88; am. (intro.), (2), (4), renum. (3) to be (13), (5) to (11), (12) and (15) to be (6) to (12), (14) and (16) and am. (6) (a), (b), (7) (a), (b), (8), (9), (10), (11), (13) and (14), cr. (3), (5), (15), r. (13), (14), Register, June, 1996, No. 486, eff. 7-1-96; CR 04-077: cr. (14m) Register November 2005 No. 599, eff. 12-1-05; CR 05-020: cr. (6) (c), am. (16) Register January 2006 No. 601, eff. 2-1-06.
NR 514.07 NR 514.07Miscellaneous requirements for plans of operation. The plan of operation for all new landfills and expansions of existing landfills shall include the following information where applicable:
NR 514.07(1) (1)Geosynthetics requirements. The plan of operation for any landfill which includes a composite liner, composite capping layer or utilizes a geomembrane for a liner or utilizes a geomembrane or geomembrane-GCL for a capping layer shall provide the following design details and specifications for the geosynthetic components. The department may specify additional requirements for other geosynthetic materials used in significant structural features of the landfill.
NR 514.07(1)(a) (a) A description of the proposed geomembranes, GCLs and other geosynthetics to be used in construction of the landfill, including resins and additives, physical properties, bentonite characteristics, chemical resistance properties and potential suppliers. For GCLs, this shall include identification of the geotextile properties and reinforcement.
NR 514.07(1)(b) (b) Design calculations that demonstrate the stability of the landfill and its components against failure along potential failure surfaces, such as the leachate collection system and final cover, during operations as well as after closure. Potential failure surfaces considered shall include the interfaces both below and above the geomembrane in the liner and final cover. Potential failure scenarios considered shall include both saturated and unsaturated conditions for the cover. The design calculations may use typical data or specifications from technical literature rather than values from testing of site specific materials if the sources of the typical data or specifications and the test methods used to generate them are cited with the calculations and a safety factor of at least 1.3 is used to assess stability.
NR 514.07(1)(c) (c) Construction methods and supervisory controls for preparing the surface of the topmost lift of compacted clay prior to the installation of a geomembrane or soil barrier layer prior to installation of a GCL. The plan of operation shall propose inspection methods and removal of coarse gravel or cobbles after rolling the topmost lift of compacted clay or soil barrier layer to achieve a smooth surface.
NR 514.07(1)(d) (d) A description of measures to be taken to store and protect all geomembranes, GCLs and geocomposite drains, transport geomembrane, GCL and geocomposite drain panels from storage to the working area, and construction methods to be used to place geomembrane, GCL and geocomposite drain panels.
NR 514.07(1)(e) (e) The proposed orientation of all geomembrane and GCL panels for the landfill liner and capping layer in relation to slope, collection trenches, penetrations, anchor trench and phase boundaries, seaming methods and phased construction.
NR 514.07(1)(f) (f) Typical design details of geomembrane and GCL seams and seaming methods, anchor trenches, patches, collars for all penetrations, installation in corners and leachate collection trenches. The plan of operation shall describe acceptable working conditions for geomembrane, GCL and geocomposite drain installation, installation instructions for working under weather variations and extremes, and criteria for halting or limiting GCL and geomembrane installation.
NR 514.07(1)(g) (g) Proposed methods for testing welds or other joining methods for geomembranes and other components or penetrations if geomembranes used in previously constructed phases are obtained from different manufacturers or are made from different resins. The plan of operation shall also include measures to preserve the edges of geomembranes and GCLs to be joined to future phases and describe measures to repair all geomembrane, GCL and geocomposite drain defects, unacceptable wrinkling, and unacceptable seams.
NR 514.07(1)(h) (h) Construction methods for placing the leachate collection system, sump backfill, and sideslope riser over the composite liner; the first 10 feet of wastes over the leachate collection system; and subsurface drain layer and rooting zone soils over the composite cap. The measures shall assure that the geomembrane and GCLs are not damaged by construction of soil layers, placement or compaction of wastes, waste consolidation or mass movements or puncturing of the geomembrane.
NR 514.07(1)(i) (i) A construction quality control plan that will be followed by all contractors preparing the surface of the compacted clay liner or soil barrier layer, constructing the geomembrane liner and placing drainage blanket. The construction quality control plan shall include means for determining and documenting: receipt of the proper geomembrane, GCL and geocomposite drain material; acceptable subgrade and weather conditions for work to occur; seamer qualifications and procedures for trial seams; acceptability of test welds and machine settings; acceptable seaming practices; achieved seam quality and procedures for dealing with failing tests; patching; and sealing of geomembrane penetrations. The construction quality control plan shall also describe how progress in construction, as well as any variations from the approved plans, will be recorded and reported.
NR 514.07(1)(j) (j) A construction quality assurance plan that will be followed by the registered professional engineer and qualified technician responsible for evaluating the construction and ensuring that the fabrication and installation meet design specifications. The construction quality assurance plan shall include continuous observation of all aspects of geomembrane, GCL and geocomposite drain installation activities by qualified engineers or technicians. The construction quality assurance plan shall include use of nondestructive and destructive testing of seams and samples and shall propose a schedule of tests and associated frequencies in accordance with those specified in ch. NR 516. The construction quality assurance plan shall include proposed methods of verifying the acceptability of the prepared subgrade, repairs, patches, penetrations, seams, and adaptations by the owner and contractors to unforeseen conditions.
NR 514.07(1)(k) (k) An outline of the contents of the anticipated preconstruction submittal which complies with the requirements of s. NR 516.04 (5) concerning geomembrane and GCL construction and which will be prepared and submitted prior to each construction event.
NR 514.07(1)(L) (L) A construction quality assurance plan for conducting a leak location survey on the installed geomembrane. The leak location survey shall be conducted after placement of the leachate collection layer for a composite liner. The quality assurance plan shall include continuous observation of all aspects of the leak location survey testing by qualified professional engineers or technicians. The quality assurance plan shall include use of nondestructive methods to detect, locate and verify repairs of defects in geomembrane. The quality assurance plan may include electrical resistivity testing or other testing methods acceptable to the department.
NR 514.07(2) (2)Codisposal of industrial solid wastes . The plan of operation for any landfill which accepts municipal solid wastes shall describe measures to be taken for the disposal of solid wastes from industrial sources, cleanups of spills and contaminated sites, or other commercial activities. The plan of operation shall propose lists of waste categories, testing protocols and schedules, and disposal protocols. The plan of operation shall describe the format for transmitting summary information to the department.
NR 514.07(3) (3)CLOSURE OF LANDFILLS WITH COMPOSITE LINERS AND COMPOSITE CAPS. The plan of operation for any landfill which accepts municipal solid wastes may propose to delay final cover placement for one or more years after attaining final waste grades in each phase of closure provided the following requirements are followed:
NR 514.07(3)(a) (a) Intermediate cover consisting of a minimum of one foot of soil shall be placed and the area shall be seeded as portions of a phase reach waste final grades.
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Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.