NR 463.106(7)(c)5.5. A description of the type of process performed in the affected source. NR 463.106(7)(c)6.6. The total operating time of the affected source during the reporting period. NR 463.106(7)(c)7.7. If the affected source is a hard chromium electroplating tank and the owner or operator is limiting the maximum cumulative rectifier capacity in accordance with s. NR 463.04 (3) (b), the actual cumulative rectifier capacity expended during the reporting period, on a month-by-month basis. NR 463.106(7)(c)8.8. A summary of operating parameter values, including the total duration of excess emissions during the reporting period as indicated by those values, the total duration of excess emissions expressed as a percent of the total source operating time during that reporting period, and a breakdown of the total duration of excess emissions during the reporting period into those that are due to process upsets, control equipment malfunctions, other known causes and unknown causes. NR 463.106(7)(c)9.9. A certification by a responsible official that the work practice standards in s. NR 463.05 were followed in accordance with the operation and maintenance plan for the source. NR 463.106(7)(c)10.10. If the operation and maintenance plan required by s. NR 463.05 (2) was not followed, an explanation of the reasons for not following the provisions, an assessment of whether any excess emission or parameter monitoring exceedances are believed to have occurred, and a copy of the report or reports required by s. NR 463.05 (2) (d) documenting that the operation and maintenance plan was not followed. NR 463.106(7)(c)11.11. A description of any changes in monitoring, processes or controls since the last reporting period. NR 463.106(7)(c)12.12. The name, title and signature of the responsible official who is certifying the accuracy of the report. NR 463.106(7)(d)(d) Reporting for multiple monitoring devices. When more than one monitoring device is used to comply with the continuous compliance monitoring required by s. NR 463.07, the owner or operator shall report the results as required for each monitoring device. However, when one monitoring device is used as a backup for the primary monitoring device, the owner or operator shall only report the results from the monitoring device used to meet the monitoring requirements of this subchapter. If both devices are used to meet these requirements, then the owner or operator shall report the results from each monitoring device for the relevant compliance period. NR 463.106(8)(8) Ongoing compliance status reports for area sources. The requirements of this subsection do not alleviate affected area sources from complying with the requirements of state or federal operating permit programs under 40 CFR part 71. NR 463.106(8)(a)(a) Annual summary report. The owner or operator of an affected source that is located at an area source site shall prepare a summary report to document the ongoing compliance status of the affected source. The report shall contain the information identified in sub. (7) (c) and shall be retained on site and made available to the department upon request. The report shall be completed annually except as provided in par. (b). NR 463.106(8)(b)1.1. If both of the following conditions are met, semiannual reports shall be prepared and submitted to the department: NR 463.106(8)(b)1.a.a. The total duration of excess emissions, as indicated by the monitoring data collected by the owner or operator of the affected source in accordance with s. NR 463.07, is 1% or greater of the total operating time for the reporting period. NR 463.106(8)(b)1.b.b. The total duration of malfunctions of the add-on air pollution control device and monitoring equipment is 5% or greater of the total operating time. NR 463.106(8)(b)2.2. Once an owner or operator of an affected source reports an exceedance as defined in subd. 1., ongoing compliance status reports shall be submitted semiannually until a request to reduce reporting frequency under par. (c) is approved. NR 463.106(8)(b)3.3. The department may determine on a case-by-case basis that the summary report shall be completed more frequently and submitted, or that the annual report shall be submitted instead of being retained on site, if these measures are necessary to accurately assess the compliance status of the source. NR 463.106(8)(c)(c) Request to reduce frequency of ongoing compliance status reports. NR 463.106(8)(c)1.1. An owner or operator who is required to submit ongoing compliance status reports on a semiannual or more frequent basis, or is required to submit its annual report instead of retaining it on site, may reduce the frequency of reporting to annual or be allowed to maintain the annual report onsite if all of the following conditions are met: NR 463.106(8)(c)1.a.a. For one full year (for 2 semiannual or 4 quarterly reporting periods, for example), the ongoing compliance status reports demonstrate that the affected source is in compliance with the relevant emission limit. NR 463.106(8)(c)1.b.b. The owner or operator continues to comply with all applicable recordkeeping and monitoring requirements of ch. NR 460 and this subchapter. NR 463.106(8)(c)1.c.c. The department does not object to a reduced reporting frequency for the affected source, as provided in subds. 2. and 3. NR 463.106(8)(c)2.2. The frequency of submitting ongoing compliance status reports may be reduced only after the owner or operator notifies the department in writing of the owner or operator’s intention to make such a change, and the department does not object to the intended change. In deciding whether to approve a reduced reporting frequency, the department may review information concerning the source’s previous performance history during the 5-year recordkeeping period prior to the intended change, or the recordkeeping period since the source’s compliance date, whichever is shorter. Records subject to review may include performance test results, monitoring data, and evaluations of an owner or operator’s conformance with emission limitations and work practice standards. The information may be used by the department to make a judgement about the source’s potential for noncompliance in the future. If the department disapproves the owner or operator’s request to reduce reporting frequency, the department shall notify the owner or operator in writing within 45 days after receiving notice of the owner or operator’s intention. The notification from the department to the owner or operator will specify the grounds on which the disapproval is based. In the absence of a notice of disapproval within 45 days, approval is automatically granted. NR 463.106(8)(c)3.3. As soon as the monitoring data required by s. NR 463.07 show that the source is not in compliance with the relevant emission limit, the frequency of reporting shall revert to semiannual, and the owner shall state this exceedance in the ongoing compliance status report for the next reporting period. After demonstrating ongoing compliance with the relevant emission limit for another full year, the owner or operator may again request approval from the department to reduce the reporting frequency as allowed by this paragraph. NR 463.106(9)(9) Reports associated with trivalent chromium baths. The requirements of this subsection do not alleviate affected sources from complying with the requirements of state or federal operating permit programs under ch. NR 407 or 40 CFR part 70. Owners or operators complying with the provisions of s. NR 463.04 (5) are not subject to subs. (1) to (8), but shall instead submit the following reports: NR 463.106(9)(a)(a) Within 180 days after October 1, 1997, submit an initial notification that includes all of the following: NR 463.106(9)(a)3.3. The list of bath components that comprise the trivalent chromium bath, with the wetting agent clearly identified by its chemical name. NR 463.106(9)(b)(b) Within 30 days after the compliance date specified in s. NR 463.06 (1), a notification of compliance status that contains an update of the information submitted in accordance with par. (a) or a statement that the information is still accurate. NR 463.106(9)(c)(c) Within 30 days after a change to the trivalent chromium electroplating process, a report that includes all of the following: NR 463.106(9)(c)1.1. A description of the manner in which the process has been changed and the emission limitation, if any, now applicable to the affected source. NR 463.106(9)(c)3.3. The notification and reporting as required by subs. (4) to (8), which shall be submitted in accordance with the schedules identified in those subsections. NR 463.106 HistoryHistory: Cr. Register, September, 1997, No. 501, eff. 10-1-97; am. (5) (b) (intro.), Register, November, 1999, No. 527, eff. 12-1-99; correction in (9) (a) 1. made under s. 13.93 (2m) (b) 7., Stats., Register, November, 1999, No. 527; CR 05-039: renum. from NR 463.12 Register February 2006 No. 602, eff. 3-1-06; CR 04-023: am. (intro.), (2), (5) (a), (b) (intro.), 2., 5., 9., (7) (b) 1. b., (d) and (8) (c) 1. b. Register December 2008 No. 636, eff. 1-1-09; correction in (intro.) made under s. 35.17, Stats., Register June 2015 No. 714. NR 463.11(1)(1) The requirements of this subchapter apply to the owner or operator of each secondary aluminum production facility. NR 463.11 NoteNote: This subchapter is based on the federal regulations contained in 40 CFR part 63 Subpart RRR, created March 23, 2000, as last revised on April 20, 2006. NR 463.11(2)(2) The requirements of this subchapter apply to the following affected sources, located at a secondary aluminum production facility that is a major source of hazardous air pollutants (HAPs) as defined in s. NR 460.02 (22): NR 463.11(2)(c)(c) Each new and existing scrap dryer, delacquering kiln and decoating kiln. NR 463.11(2)(h)(h) Each new and existing secondary aluminum processing unit. NR 463.11(3)(3) The requirements of this subchapter pertaining to dioxin and furan emissions and associated operating, monitoring, reporting and recordkeeping requirements apply to the following affected sources, located at a secondary aluminum production facility that is an area source of HAPs as defined in s. NR 460.02 (5): NR 463.11(3)(b)(b) Each new and existing scrap dryer, delacquering kiln and decoating kiln. NR 463.11(3)(d)(d) Each new and existing secondary aluminum processing unit, containing one or more group 1 furnace emission units processing other than clean charge. NR 463.11(4)(4) The requirements of this subchapter do not apply to facilities and equipment used for research and development that are not used to produce a salable product. NR 463.11(5)(5) An aluminum die casting facility, aluminum foundry or aluminum extrusion facility shall be considered to be an area source if it does not emit, or have the potential to emit, considering controls, 10 tons per year or more of any single listed HAP or 25 tons per year of any combination of listed HAP from all emission sources which are located in a contiguous area and under common control, without regard to whether or not the sources are regulated under this subchapter or any other subchapter. In the case of an aluminum die casting facility, aluminum foundry or aluminum extrusion facility which is an area source and is subject to regulation under this subchapter only because it operates a thermal chip dryer, no furnace operated by such a facility shall be deemed to be subject to the requirements of this subchapter if it melts only clean charge, internal scrap or customer returns. NR 463.11 HistoryHistory: CR 04-023: cr. Register December 2008 No. 636, eff. 1-1-09. NR 463.115(1)(1) The owner or operator of an existing affected source shall comply with the requirements of this subchapter by March 24, 2003. NR 463.115(2)(2) Except as provided in sub. (3), the owner or operator of a new affected source that commences construction or reconstruction after February 11, 1999 shall comply with the requirements of this subchapter by March 24, 2000 or upon startup, whichever is later. NR 463.115(3)(3) The owner or operator of any affected source which is constructed or reconstructed at any existing aluminum die casting facility, aluminum foundry or aluminum extrusion facility which otherwise meets the applicability criteria in s. NR 463.11 shall comply with the requirements of this subchapter by March 24, 2003 or upon startup, whichever is later. NR 463.115 HistoryHistory: CR 04-023: cr. Register December 2008 No. 636, eff. 1-1-09. NR 463.12NR 463.12 Definitions. For terms not defined in this section, the definitions contained in chs. NR 400 and 460 apply to the terms in this subchapter, with definitions in ch. NR 460 taking priority over definitions in ch. NR 400. If this section defines a term which is also defined in ch. NR 400 or 460, the definition in this section applies in this subchapter. In this subchapter: NR 463.12(1)(1) “Add-on air pollution control device” means equipment installed on a process vent that reduces the quantity of a pollutant that is emitted to the air. NR 463.12(2)(2) “Afterburner” means an air pollution control device that uses controlled flame combustion to convert combustible materials to noncombustible gases; also known as an incinerator or a thermal oxidizer. NR 463.12(3)(3) “Aluminum scrap” means fragments of aluminum stock removed during manufacturing, manufactured aluminum articles or parts rejected or discarded and useful only as material for reprocessing, and waste and discarded material made of aluminum. NR 463.12(4)(4) “Aluminum scrap shredder” means a unit that crushes, grinds or breaks aluminum scrap into a more uniform size prior to processing or charging to a scrap dryer, delacquering kiln, decoating kiln or furnace. A bale breaker is not an aluminum scrap shredder. NR 463.12(5)(5) “Bag leak detection system” means an instrument that is capable of monitoring particulate matter loadings in the exhaust of a baghouse in order to detect bag failures. A bag leak detection system may operate on triboelectric, light scattering, light transmittance or other effect to monitor relative particulate matter loadings. NR 463.12(6)(6) “Chips” means small, uniformly-sized, unpainted pieces of aluminum scrap, typically below 1¼ inches in any dimension, primarily generated by turning, milling, boring and machining of aluminum parts. NR 463.12(7)(7) “Clean charge” means furnace charge materials, including molten aluminum; T-bar; sow; ingot; billet; pig; alloying elements; aluminum scrap known by the owner or operator to be entirely free of paints, coatings and lubricants; uncoated and unpainted aluminum chips that have been thermally dried or treated by a centrifugal cleaner; aluminum scrap dried at 343 °C (650 °F) or higher; aluminum scrap delacquered and decoated at 482 °C (900 °F) or higher, and runaround scrap. NR 463.12(8)(8) “Cover flux” means salt added to the surface of molten aluminum in a group 1 or group 2 furnace, without agitation of the molten aluminum, for the purpose of preventing oxidation. NR 463.12(9)(9) “Customer returns” means any aluminum product which is returned by a customer to the aluminum company that originally manufactured the product prior to resale of the product or further distribution in commerce, and which contains no paint or other solid coatings. NR 463.12(10)(10) “Dioxins and furans” or “D&F” means tetra-, penta-, hexa- and octachlorinated dibenzo dioxins and furans. NR 463.12(11)(11) “Dross” means the slags and skimmings from aluminum melting and refining operations consisting of fluxing agents, impurities or oxidized and non-oxidized aluminum, from scrap aluminum charged into the furnace. NR 463.12(12)(12) “Dross-only furnace” means a furnace, typically of rotary barrel design, dedicated to the reclamation of aluminum from dross formed during melting, holding, fluxing or alloying operations carried out in other process units. Dross and salt flux are the sole feedstocks to this type of furnace. NR 463.12(13)(13) “Emission unit” means a group 1 furnace or in-line fluxer at a secondary aluminum production facility. NR 463.12(14)(14) “Fabric filter” means an add-on air pollution control device used to capture particulate matter by filtering gas streams through filter media; also known as a baghouse. NR 463.12(15)(15) “Feed or charge” means, for a furnace or other process unit that operates in batch mode, the total weight of material, including molten aluminum, T-bar, sow, ingot, other material and alloying agents that enter the furnace during an operating cycle. For a furnace or other process unit that operates continuously, feed or charge means the weight of material, including molten aluminum, T-bar, sow, ingot, other material and alloying agents that enter the process unit within a specified time period, such as a time period equal to the performance test period. The feed or charge for a dross-only furnace includes the total weight of dross and solid flux. NR 463.12(16)(16) “Fluxing” means refining of molten aluminum to improve product quality, achieve product specifications, or reduce material loss, including the addition of solvents to remove impurities and the injection of gases such as chlorine or chlorine mixtures to remove magnesium (demagging) or hydrogen bubbles (degassing). Fluxing may be performed in the furnace or outside the furnace by an in-line fluxer. NR 463.12(17)(17) “Furnace hearth” means the combustion zone of a furnace in which the molten metal is contained. NR 463.12(18)(18) “Group 1 furnace” means a furnace of any design that melts, holds or processes aluminum that contains paint, lubricants, coatings or other foreign materials with or without reactive fluxing or processes clean charge with reactive fluxing. NR 463.12(19)(19) “Group 2 furnace” means a furnace of any design that melts, holds or processes only clean charge and that performs no fluxing or performs fluxing using only nonreactive, non-HAP-containing, non-HAP-generating gases or agents. NR 463.12(20)(20) “HCl” means, for the purposes of this subchapter, emissions of hydrogen chloride that serve as a surrogate measure of the total emissions of the HAPs hydrogen chloride, hydrogen fluoride and chlorine. NR 463.12(21)(21) “In-line fluxer” means a device exterior to a furnace, located in a transfer line from a furnace, used in fluxing molten aluminum; also known as a flux box, degassing box or demagging box. NR 463.12(22)(22) “Internal scrap” means all aluminum scrap regardless of the level of contamination which originates from castings or extrusions produced by an aluminum die casting facility, aluminum foundry or aluminum extrusion facility, and which remains at all times within the control of the company that produced the castings or extrusions. NR 463.12(23)(23) “Lime” means calcium oxide or other alkaline reagent. NR 463.12(24)(24) “Lime-injection” means the continuous addition of lime upstream of a fabric filter. NR 463.12(25)(25) “Melting and holding furnace” means a group 1 furnace that processes only clean charge, performs melting, holding, and fluxing functions, and does not transfer molten aluminum to or from another furnace except for the purposes of alloy changes, off-specification product drains or maintenance activities. NR 463.12(26)(26) “Operating cycle” means for a batch process, the period beginning when the feed material is first charged to the operation and ending when all feed material charged to the operation has been processed. For a batch melting and holding furnace process, operating cycle means the period including the charging and melting of scrap aluminum and the fluxing, refining, alloying and tapping of molten aluminum.
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