NR 440.215(2)(i)
(i) “Modification" or “modified MWC unit" means an MWC unit to which changes have been made if the cumulative cost of the changes, over the life of the unit, exceed 50% of the original cost of construction and installation of the unit, not including the cost of any land purchased in connection with the construction or installation, updated to current costs; or any physical change in the MWC unit or change in the method of operation of the MWC unit which increases the amount of any air pollutant emitted by the unit for which standards have been established under section 111 or 129 of the Act (
42 USC 7411 or
7429). Increases in the amount of any air pollutant emitted by the MWC unit are determined at 100% physical load capability and downstream of all air pollution control devices, with no consideration given for load restrictions based on permits or other non-physical operational restrictions.
NR 440.215(2)(im)
(im) “Modular excess air MWC" means a combustor that combusts MSW and that is not field erected and has multiple combustion chambers, all of which are designed to operate at conditions with combustion air amounts in excess of theoretical air requirements.
NR 440.215(2)(j)
(j) “Modular starved air MWC" means a combustor that combusts MSW and that is not field erected and has multiple combustion chambers in which the primary combustion chamber is designed to operate at substoichiometric conditions.
NR 440.215(2)(jm)
(jm) “Municipal solid waste" or “municipal type solid waste" or “MSW" means household, commercial, retail or institutional waste. Household waste includes material discarded by single and multiple residential dwellings, hotels, motels and other similar permanent or temporary housing establishments or facilities. Commercial or retail waste includes material discarded by stores, offices, restaurants, warehouses, nonmanufacturing activities at industrial facilities and other similar establishments or facilities. Institutional waste includes material discarded by schools, nonmedical waste discarded by hospitals, material discarded by nonmanufacturing activities at prisons and government facilities and material discarded by other similar establishments or facilities. Household, commercial or retail and institutional waste do not include used oil; sewage sludge; wood pallets; construction, renovation and demolition wastes (which includes railroad ties and telephone poles); industrial process or manufacturing wastes; medical waste or motor vehicles including motor vehicle parts or vehicle fluff. Household, commercial, retail and institutional wastes include yard waste, refuse-derived fuel and motor vehicle maintenance materials limited to vehicle batteries and tires except as specified in
sub. (1) (c).
NR 440.215(2)(k)
(k) “Municipal waste combustor" or “MWC" or “MWC unit" means any setting or equipment that combusts solid, liquid or gasified MSW including, but not limited to, field erected incinerators with or without heat recovery; modular incinerators, starved air or excess air; boilers or steam generating units; furnaces whether suspension fired, grate fired, mass fired, air curtain incinerators or fluidized bed fired; and pyrolysis or combustion units. MWC does not include pyrolysis or combustion units located at plastics or rubber recycling units. MWC does not include internal combustion engines, gas turbines or other combustion devices that combust landfill gases collected by landfill gas collection systems. The MWC unit includes the MSW fuel feed system, grate system, flue gas system, bottom ash system and the combustor water system. The MWC boundary starts at the MSW pit or hopper and extends through the combustor flue gas system, which ends immediately following the heat recovery equipment or, if there is no heat recovery equipment, immediately following the combustion chamber; the combustor bottom ash system, which ends at the truck loading station or similar ash handling equipment that transfers the ash to final disposal, including all ash handling systems that are connected to the bottom ash handling system; and the combustor water system, which starts at the feed water pump and ends at the piping exiting the steam drum or superheater. The MWC unit does not include air pollution control equipment, the stack, water treatment equipment or the turbine generator set.
NR 440.215(2)(L)
(L) “MWC acid gases" means all acid gases emitted in the exhaust gases from MWC units including but not limited to sulfur dioxide and hydrogen chloride gases.
NR 440.215(2)(m)
(m) “MWC metals" means metals and metal compounds emitted in the exhaust gases from MWC units.
NR 440.215(2)(n)
(n) “MWC organics" means organic compounds emitted in the exhaust gases from MWC units and includes total tetra through octa-chlorinated dibenzo-p- dioxins and dibenzofurans.
NR 440.215(2)(o)
(o) “MWC plant" means one or more MWC units at the same location for which construction, modification or reconstruction is commenced after December 20, 1989 and on or before September 20, 1994.
NR 440.215(2)(p)
(p) “MWC plant capacity" means the aggregate MWC unit capacity of all MWC units at an MWC plant for which construction, modification or reconstruction of the units commenced after December 20, 1989 and on or before September 20, 1994. Any MWC units for which construction, modification or reconstruction is commenced on or before December 20, 1989 or after September 20, 1994 are not included for determining applicability under this section.
NR 440.215(2)(q)
(q) “MWC unit capacity" means the maximum design charging rate of an MWC unit expressed in megagrams per day or tons per day of MSW combusted, calculated according to the procedures under
sub. (9) (j). Municipal waste combustor unit capacity is calculated using a design heating value of 10,500 kilojoules per kilogram (4,500 British thermal units per pound) for MSW. The calculational procedures under
sub. (9) (j) include procedures for determining MWC unit capacity for continuous and batch feed MWCs.
NR 440.215(2)(r)
(r) “Particulate matter" means total particulate matter emitted from MWC units as measured by Method 5 of Appendix A of
40 CFR part 60, incorporated by reference in
s. NR 440.17.
NR 440.215(2)(rm)
(rm) “Plastics or rubber recycling unit" means an integrated processing unit where plastics, rubber or rubber tires are the only feed materials and the feed materials are processed into a chemical plant feedstock or petroleum refinery feedstock, where the feedstock is marketed to and used by a chemical plant or petroleum refinery as input feedstock. The combined weight of the chemical plant feedstock and petroleum refinery feedstock produced by the plastics or rubber recycling unit on a calendar quarter basis shall be more than 70% of the combined weight of the plastic, rubber and rubber tires processed by the plastics or rubber recycling unit on a calendar quarter basis. The plastics, rubber or rubber tire feed materials to the plastics or rubber recycling unit may originate from the separation or diversion of plastics, rubber or rubber tires from MSW or industrial solid waste and may include manufacturing scraps, trimmings and off-specification plastics, rubber and rubber tire discards. The plastics, rubber and rubber tire feed materials to the plastics or rubber recycling unit may contain incidental contaminants, for example, paper labels on plastic bottles, metal rings on plastic bottle caps, etc.
NR 440.215(2)(s)
(s) “Potential hydrogen chloride emission rate" means the hydrogen chloride emission rate that would occur from combustion of MSW in the absence of any hydrogen chloride emissions control.
NR 440.215(2)(t)
(t) “Potential sulfur dioxide emission rate" means the sulfur dioxide emission rate that would occur from combustion of MSW in the absence of any sulfur dioxide emissions control.
NR 440.215(2)(tg)
(tg) “Pulverized coal and RDF mixed fuel-fired combustor" means a combustor that fires coal and RDF simultaneously, in which pulverized coal is introduced into an air stream that carries the coal to the combustion chamber of the unit where it is fired in suspension. This includes both conventional pulverized coal and micropulverized coal.
NR 440.215(2)(tr)
(tr) “Pyrolysis or combustion unit" means a unit that produces gases, liquids or solids through the heating of MSW, and the gases, liquids or solids produced are combusted and emissions vented to the atmosphere.
NR 440.215(2)(u)
(u) “RDF stoker" means a steam generating unit that combusts RDF in a semi-suspension firing mode using air fed distributors.
NR 440.215(2)(ug)
(ug) “Reconstruction" means rebuilding an MWC unit for which the cumulative costs of the construction over the life of the unit exceed 50% of the original cost of construction and installation of the unit, not including any cost of land purchased in connection with such construction or installation, updated to current dollars.
NR 440.215(2)(ur)
(ur) “Refractory unit" or “refractory wall furnace" means a combustion unit having no energy recovery (for example, via a waterwall) in the furnace (that is, radiant heat transfer section) of the combustor.
NR 440.215(2)(v)
(v) “Refuse derived fuel" or “RDF" means a type of MSW produced by processing MSW through shredding and size classification. This includes all classes of RDF including low density fluff RDF through densified RDF and RDF fuel pellets.
NR 440.215(2)(w)
(w) “Same location" means the same or contiguous property that is under common ownership or control, including properties that are separated only by a street, road, highway or other public right of way. Common ownership or control includes properties that are owned, leased or operated by the same entity, parent entity, subsidiary, subdivision or any combination thereof, including any municipality or other governmental unit or any quasi- governmental authority such as a public utility district or regional waste disposal authority.
NR 440.215(2)(x)
(x) “Shift supervisor" means the person in direct charge and control of the operation of an MWC and who is responsible for on site supervision, technical direction, management and overall performance of the facility during an assigned shift.
NR 440.215(2)(xm)
(xm) “Spreader stoker coal and RDF mixed fuel-fired combustor" means a combustor that fires coal and RDF simultaneously, in which coal is introduced to the combustion zone by a mechanism that throws the fuel onto a grate from above. Combustion takes place both in suspension and on the grate.
NR 440.215(2)(y)
(y) “Standard conditions" means a temperature of 20
°C (68
°F) and a pressure of 101.3 kPa (29.92 in Hg).
NR 440.215(2)(z)
(z) “Twenty-four-hour daily average" or “24-hour daily average" means the arithmetic or geometric mean as specified in
sub. (9) (e),
(g) or
(h), as applicable, of all hourly emission rates when the affected facility is operating and firing MSW measured over a 24-hour period between 12:00 midnight and the following midnight.
NR 440.215(2)(ze)
(ze) “Untreated lumber" means wood or wood products that have been cut or shaped and includes wet, air-dried and kiln-dried wood products. Untreated lumber does not include wood products that have been painted, pigment-stained or pressure-treated. Pressure treating compounds include chromate copper arsenate, pentachlorophenol and creosote.
NR 440.215(2)(zm)
(zm) “Waterwall furnace" means a combustion unit having energy (heat) recovery in the furnace (that is, radiant heat transfer section) of the combustor.
NR 440.215(2)(zs)
(zs) “Yard waste" means grass, grass clippings, bushes, shrubs and clippings from bushes and shrubs that are generated by residential, commercial or retail, institutional or industrial sources as part of maintenance activities associated with yards or other private or public lands. Yard waste does not include construction, renovation and demolition wastes, which are exempt from the definition of MSW. Yard waste does not include clean wood, which is exempt from the definition of MSW.
NR 440.215(3)(a)(a) On and after the date on which the initial compliance test is completed or is required to be completed under
s. NR 440.08, no owner or operator of an affected facility located within a large MWC plant may cause to be discharged into the atmosphere from that affected facility any gases that contain particulate matter in excess of 34 milligrams per dry standard cubic meter (0.015 grains per dry standard cubic foot), corrected to 7% oxygen dry basis.
NR 440.215(3)(b)
(b) On and after the date on which the initial compliance test is completed or is required to be completed under
s. NR 440.08, no owner or operator of an affected facility subject to the particulate matter emission limit under
par. (a) may cause to be discharged into the atmosphere from that affected facility any gases that exhibit greater than 10% opacity (6-minute average).
NR 440.215(4)
(4) Standard for municipal waste combustor organics. NR 440.215(4)(b)(b) On and after the date on which the initial compliance test is completed or is required to be completed under
s. NR 440.08, no owner or operator of an affected facility located within a large MWC plant may cause to be discharged into the atmosphere from that affected facility any gases that contain dioxin/furan emissions that exceed 30 nanograms per dry standard cubic meter (12 grains per billion dry standard cubic feet), corrected to 7% oxygen dry basis.
NR 440.215(5)
(5) Standard for municipal waste combustor acid gases. NR 440.215(5)(c)(c) On and after the date on which the initial compliance test is completed or is required to be completed under
s. NR 440.08, no owner or operator of an affected facility located within a large MWC plant shall cause to be discharged into the atmosphere from that affected facility any gases that contain sulfur dioxide in excess of 20% of the potential sulfur dioxide emission rate (80% reduction by weight or volume) or 30 parts per million by volume, corrected to 7% oxygen dry basis, whichever is less stringent. The averaging time is specified in
sub. (9) (e).
NR 440.215(5)(d)
(d) On and after the date on which the initial compliance test is completed or is required to be completed under
s. NR 440.08, no owner or operator of an affected facility located within a large MWC plant may cause to be discharged into the atmosphere from that affected facility any gases that contain hydrogen chloride in excess of 5% of the potential hydrogen chloride emission rate (95% reduction by weight or volume) or 25 parts per million by volume, corrected to 7% oxygen dry basis, whichever is less stringent.
NR 440.215(6)
(6) Standard for nitrogen oxides. On and after the date on which the initial compliance test is completed or is required to be completed under
s. NR 440.08, no owner or operator of an affected facility located within a large MWC plant may cause to be discharged into the atmosphere from that affected facility any gases that contain nitrogen oxides in excess of 180 parts per million by volume, corrected to 7% oxygen dry basis. The averaging time is specified under
sub. (9) (g).
NR 440.215(7)
(7) Standards for municipal waste combustor operating practices. NR 440.215(7)(a)(a) On and after the date on which the initial compliance test is completed or is required to be completed under
s. NR 440.08, no owner or operator of an affected facility located within a large MWC plant may cause the facility to exceed the carbon monoxide standards shown in Table 1.
- See PDF for table 
1 Measured at the combustor outlet in conjunction with a measurement of oxygen concentration, corrected to 7% oxygen dry basis. The averaging times are specified in sub. (9) (h).
NR 440.215(7)(b)
(b) No owner or operator of an affected facility located within a large MWC plant may cause the facility to operate at a load level greater than 110% of the maximum demonstrated MWC unit load as defined in
sub. (2). The averaging time is specified under
sub. (9) (h).
NR 440.215(7)(c)
(c) No owner or operator of an affected facility located within a large MWC plant may cause the facility to operate at a temperature, measured at the final particulate matter control device inlet, exceeding 17
°C (30
°F) above the maximum demonstrated particulate matter control device temperature as defined in
sub. (2). The averaging time is specified under
sub. (9) (h).
NR 440.215(7)(d)
(d) Within 24 months from the date of startup of an affected facility or before February 11, 1993, whichever is later, each chief facility operator and shift supervisor of an affected facility located within a large MWC plant shall obtain and keep current either a provisional or operator certification in accordance with ASME QRO-1-1994, incorporated by reference in
s. NR 440.17 (2) (h) 1., or an equivalent state approved certification program.
NR 440.215(7)(e)
(e) No owner or operator of an affected facility may allow the affected facility located at a large MWC plant to operate at any time without a certified shift supervisor, as provided under
par. (d), on duty at the affected facility. This requirement shall take effect 24 months after the date of startup of the affected facility or on and after February 11, 1993, whichever is later.
NR 440.215(7)(f)
(f) The owner or operator of an affected facility located within a large MWC plant shall develop and update on a yearly basis a site specific operating manual that shall, at a minimum, address the following elements of MWC unit operation:
NR 440.215(7)(f)6.
6. Procedures for operating the MWC unit within the standards established under this section;
NR 440.215(7)(f)7.
7. Procedures for responding to periodic upset or off specification conditions;
NR 440.215(7)(g)
(g) The owner or operator of an affected facility located within a large MWC plant shall establish a program for reviewing the operating manual annually with each person who has responsibilities affecting the operation of an affected facility including, but not limited to, chief facility operators, shift supervisors, control room operators, ash handlers, maintenance personnel and crane or load handlers.
NR 440.215(7)(h)
(h) The initial review of the operating manual, as specified under
par. (g), shall be conducted prior to assumption of responsibilities affecting MWC unit operation by any person required to undergo training under
par. (g). Subsequent reviews of the manual shall be carried out annually by each such person.
NR 440.215(7)(i)
(i) The operating manual shall be kept in a readily accessible location for all persons required to undergo training under
par. (g). The operating manual and records of training shall be available for inspection by U.S. EPA or the department upon request.
NR 440.215(9)(a)(a) The standards under this section apply at all times except during periods of startup, shutdown or malfunction, provided that the duration of the period of startup, shutdown or malfunction does not exceed 3 hours per occurrence.
NR 440.215(9)(a)1.
1. The startup period commences when the affected facility begins the continuous burning of MSW and does not include any warm up period when the affected facility is combusting only a fossil fuel or other non-MSW fuel and no MSW is being combusted.
NR 440.215(9)(a)2.
2. Continuous burning is the continuous, semicontinuous or batch feeding of MSW for purposes of waste disposal, energy production or providing heat to the combustion system in preparation for waste disposal or energy production. The use of MSW solely to provide thermal protection of grate or hearth during the startup period is not considered to be continuous burning.
NR 440.215(9)(b)
(b) The procedures and test methods in this paragraph shall be used to determine compliance with the emission limits for particulate matter under
sub. (3). The cited procedures and test methods are contained in Appendix A of
40 CFR part 60, incorporated by reference in
s. NR 440.17.
NR 440.215(9)(b)1.
1. Method 1 shall be used to select sampling site and number of traverse points.
NR 440.215(9)(b)3.
3. Method 5 shall be used for determining compliance with the particulate matter emission limit. The minimum sample volume shall be 1.7 cubic meters (60 cubic feet). The probe and filter holder heating systems in the sample train shall be set to provide a gas temperature of 160
° " 14
°C (320
° " 25
°F). An oxygen or carbon dioxide measurement shall be obtained simultaneously with each Method 5 run.
NR 440.215(9)(b)5.
5. An owner or operator may request that compliance be determined using carbon dioxide measurements corrected to an equivalent of 7% oxygen. The relationship between oxygen and carbon dioxide levels for the affected facility shall be established during the initial compliance test.
NR 440.215(9)(b)6.
6. The owner or operator of an affected facility shall conduct an initial compliance test for particulate matter and opacity as required under
s. NR 440.08.
NR 440.215(9)(b)7.
7. Method 9 shall be used for determining compliance with the opacity limit.
NR 440.215(9)(b)8.
8. The owner or operator of an affected facility shall install, calibrate, maintain and operate a continuous opacity monitoring system (COMS) and record the output of the system on a 6-minute average basis.
NR 440.215(9)(b)9.
9. Following the date the initial compliance test for particulate matter is completed or is required to be completed under
s. NR 440.08 for an affected facility located within a large MWC plant, the owner or operator shall conduct a performance test for particulate matter on an annual basis (no more than 12 calendar months following the previous compliance test).
NR 440.215(9)(d)
(d) The procedures and test methods in this paragraph shall be used to determine compliance with the limits for dioxin/furan emissions under
sub. (4). The cited procedures and test methods are contained in Appendix A of
40 CFR part 60, incorporated by reference in
s. NR 440.17.
NR 440.215(9)(d)1.
1. Method 23 shall be used for determining compliance with the dioxin/furan emission limits. The minimum sample time shall be 4 hours per test run.
NR 440.215(9)(d)2.
2. The owner or operator of an affected facility shall conduct an initial compliance test for dioxin/furan emissions as required under
s. NR 440.08.
NR 440.215(9)(d)3.
3. Following the date of the initial compliance test or the date on which the initial compliance test is required to be completed under
s. NR 440.08, the owner or operator of an affected facility located within a large MWC plant shall conduct a performance test for dioxin/furan emissions on an annual basis (no more than 12 calendar months following the previous compliance test).
NR 440.215(9)(d)5.
5. An owner or operator may request that compliance with the dioxin/furan emissions limit be determined using carbon dioxide measurements corrected to an equivalent of 7% oxygen. The relationship between oxygen and carbon dioxide levels for the affected facility shall be established during the initial compliance test.
NR 440.215(9)(e)
(e) The procedures and test methods in this paragraph shall be used for determining compliance with the sulfur dioxide limit under
sub. (5). The cited procedures and test methods are contained in Appendix A of
40 CFR part 60, incorporated by reference in
s. NR 440.17.
NR 440.215(9)(e)1.
1. Method 19, section 5.4, shall be used to determine the daily geometric average percent reduction in the potential sulfur dioxide emission rate.
NR 440.215(9)(e)2.
2. Method 19, section 4.3, shall be used to determine the daily geometric average sulfur dioxide emission rate.
NR 440.215(9)(e)3.
3. An owner or operator may request that compliance with the sulfur dioxide emissions limit be determined using carbon dioxide measurements corrected to an equivalent of 7% oxygen. The relationship between oxygen and carbon dioxide levels for the affected facility shall be established during the initial compliance test.
NR 440.215(9)(e)4.
4. The owner or operator of an affected facility shall conduct an initial compliance test for sulfur dioxide as required under
s. NR 440.08. Compliance with the sulfur dioxide emission limit and percent reduction is determined by using a CEMS to measure sulfur dioxide and calculating a 24-hour daily geometric mean emission rate and daily geometric mean percent reduction using Method 19 sections 4.3 and 5.4, as applicable, except as provided under
subd. 5.
NR 440.215(9)(e)5.
5. For batch MWCs or MWC units that do not operate continuously, compliance shall be determined using a daily geometric mean of all hourly average values for the hours during the day that the affected facility is combusting MSW.
NR 440.215(9)(e)6.
6. The owner or operator of an affected facility shall install, calibrate, maintain and operate a CEMS for measuring sulfur dioxide emissions discharged to the atmosphere and record the output of the system.
