Chapter NR 464
NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS
FROM THE PULP AND PAPER INDUSTRY
NR 464.01 Applicability; purpose. NR 464.03 Standards for the pulping system at kraft, soda and semi-chemical processes. NR 464.04 Standards for the pulping system at sulfite processes. NR 464.05 Standards for the bleaching system. NR 464.06 Standards for kraft pulping process condensates. NR 464.07 Clean condensate alternative. NR 464.08 Standards for enclosures and closed-vent systems. NR 464.09 Monitoring requirements. NR 464.10 Recordkeeping requirements. NR 464.11 Reporting requirements. NR 464.01(1)(a)(a) The provisions of this chapter apply to the owner or operator of processes that produce pulp, paper or paperboard; that are located at a plant site that is a major source as defined in s. NR 460.02 (24) and that use the any of following processes and materials: NR 464.01(1)(a)1.1. Kraft, soda, sulfite or semi-chemical pulping processes using wood. NR 464.01(1)(b)(b) The affected source to which the existing source provisions of this chapter apply is as follows: NR 464.01(1)(b)1.1. For the processes specified in par. (a) 1., the affected source is the total of all HAP emission points in the pulping and bleaching systems. NR 464.01(1)(b)2.2. For the processes specified in par. (a) 2. or 3., the affected source is the total of all HAP emission points in the bleaching system. NR 464.01(1)(c)(c) The new source provisions of this chapter apply to the total of all HAP emission points at new or existing sources as follows: NR 464.01(1)(c)1.1. Each affected source defined in par. (b) 1. that commences construction or reconstruction after December 17, 1993. NR 464.01(1)(c)2.2. Each pulping system or bleaching system for the processes specified in par. (a) 1. that commences construction or reconstruction after December 17, 1993. NR 464.01(1)(c)3.3. Each additional pulping or bleaching line at the processes specified in par. (a) 1. that commences construction after December 17, 1993. NR 464.01(1)(c)4.4. Each affected source defined in par. (b) 2. that commences construction or reconstruction after March 8, 1996. NR 464.01(1)(c)5.5. Each additional bleaching line at the processes specified in par. (a) 2. or 3. that commences construction after March 8, 1996. NR 464.01(1)(d)(d) Each existing source shall achieve compliance no later than April 16, 2001, except as provided in par. (e) and subds. 1. and 2.: NR 464.01(1)(d)1.1. Each kraft pulping system shall achieve compliance with the pulping system provisions of s. NR 464.03 for the equipment listed in s. NR 464.03 (1) (a) 2. to 5. as expeditiously as practicable, but in no event later than April 17, 2006, and the owners and operators shall establish dates, update dates and report the dates for the milestones specified in s. NR 464.11 (2). NR 464.01(1)(d)2.2. Each dissolving-grade bleaching system at either kraft or sulfite pulping mills shall achieve compliance with the bleach plant provisions of s. NR 464.05 as expeditiously as practicable, but in no event later than 3 years after the promulgation of the revised effluent limitation guidelines and standards under 40 CFR 430.14 to 430.17 and 430.44 to 430.47. NR 464.01(1)(e)(e) Each bleaching system complying with the voluntary advanced technology incentives program for effluent limitation guidelines in 40 CFR 430.24 shall, for the effluent limitation guidelines and standards in 40 CFR 430.24, comply with the bleach plant provisions of 40 CFR 63.445 as expeditiously as practicable, but in no event later than April 16, 2001, or shall comply with all of the following: NR 464.01(1)(e)1.1. The owner or operator of a bleaching system shall comply with the bleach plant provisions of s. NR 464.05 as expeditiously as practicable, but in no event later than April 15, 2004. NR 464.01(1)(e)2.2. The owner or operator of a bleaching system shall comply with the requirements specified in either of the following: NR 464.01(1)(e)2.a.a. Not increase the application rate of chlorine or hypochlorite, in kg of bleaching agent per megagram of ODP, in the bleaching system above the average daily rates used over the 3 months prior June 15, 1998, until the requirements of subd. 1. are met, and record application rates as specified in s. NR 464.10 (3). NR 464.01(1)(e)2.b.b. Comply with enforceable effluent limitations guidelines for 2,3,7,8-tetrachloro-dibenzo-p-dioxin and adsorbable organic halides at least as stringent as the baseline best available technology economically achievable levels set in 40 CFR 430.24(a) (1) as expeditiously as possible, but in no event later than April 16, 2001. NR 464.01(1)(f)(f) Each new source, specified as the total of all HAP emission points for the sources specified in par. (c), shall achieve compliance upon startup or by June 15, 1998, whichever is later, as provided in s. NR 460.05 (2). NR 464.01(1)(g)(g) Each owner or operator of an affected source with affected process equipment shared by more than one type of pulping process shall comply with the applicable requirement in this chapter that achieves the maximum degree of reduction in HAP emissions. NR 464.01(1)(h)(h) Each owner or operator of an affected source specified in pars. (a) to (c) shall comply with the requirements of ch. NR 460, according to the applicability of ch. NR 460 to the sources, as indicated in Appendix S of ch. NR 460. NR 464.01(1)(i)(i) All references to 40 CFR part 63 and 40 CFR part 430 in this chapter mean those parts of the code of federal regulations as in effect on April 1, 2002, except that in the case of CFR provisions incorporated by reference in ch. NR 484, if a more recent date is specified in the applicable section of ch. NR 484, that date shall apply. NR 464.01 NoteNote: Compliance dates are federally enforceable under 40 CFR 63.440 prior to the effective date of this section. NR 464.01(2)(2) Purpose. This chapter is adopted under ss. 285.27 (2) and 285.65, Stats., to establish emission standards for hazardous air pollutants from the pulp and paper industry. NR 464.01 NoteNote: This chapter is based on the federal regulations contained in 40 CFR part 63 subpart S, created April 15, 1998, as last revised on December 22, 2000. NR 464.01 HistoryHistory: CR 00-175: cr. Register March 2002 No. 555, eff. 4-1-02. NR 464.02NR 464.02 Definitions. For terms not defined in this section, the definitions contained in chs. NR 400 and 460 apply to the terms used in this chapter, with definitions in ch. NR 460 taking priority over definitions in ch. NR 400. In addition, the definitions in this section apply to the terms used in this chapter. If this section defines a term which is also defined in ch. NR 400 or 460, the definition in this section applies in this chapter. In this chapter: NR 464.02(1)(1) “Acid condensate storage tank” means any storage tank containing cooking acid following the sulfur dioxide gas fortification process. NR 464.02(2)(2) “Black liquor” means spent cooking liquor that has been separated from the pulp produced by the kraft, soda or semi-chemical pulping process. NR 464.02(3)(3) “Bleaching” means brightening of pulp by the addition of oxidizing chemicals or reducing chemicals. NR 464.02(4)(4) “Bleaching line” means a group of bleaching stages arranged in series such that bleaching of the pulp progresses as the pulp moves from one stage to the next. NR 464.02(5)(5) “Bleaching stage” means all process equipment associated with a discrete step of chemical application and removal in the bleaching process including chemical and steam mixers, bleaching towers, washers, seal (filtrate) tanks, vacuum pumps, and any other equipment serving the same function as those previously listed. NR 464.02(6)(6) “Bleaching system” means all process equipment after high-density pulp storage prior to the first application of oxidizing chemicals or reducing chemicals following the pulping system, up to and including the final bleaching stage. NR 464.02(7)(7) “Boiler” means any enclosed combustion device that extracts useful energy in the form of steam. A boiler is not considered a thermal oxidizer. NR 464.02(8)(8) “Chip steamer” means a vessel used for the purpose of preheating or pretreating wood chips prior to the digester, using flash steam from the digester or live steam. NR 464.02(9)(9) “Closed-vent system” means a system that is not open to the atmosphere and is composed of piping, ductwork, connections and, if necessary, flow-inducing devices that transport gas or vapor from an emission point to a control device. NR 464.02(10)(10) “Combustion device” means an individual unit of equipment, including but not limited to, a thermal oxidizer, lime kiln, recovery furnace, process heater or boiler, used for the thermal oxidation of organic hazardous air pollutant vapors. NR 464.02(11)(11) “Day” means any 24 hour period corresponding to either midnight to midnight or to the actual 24 hour production day used by a specific facility. NR 464.02(12)(12) “Decker system” means all equipment used to thicken the pulp slurry or reduce its liquid content after the pulp washing system and prior to high-density pulp storage. The decker system includes decker vents, filtrate tanks, associated vacuum pumps, and any other equipment serving the same function as those previously listed. NR 464.02(13)(13) “Digester system” means each continuous digester or each batch digester used for the chemical treatment of wood or non-wood fibers. The digester system equipment includes associated flash tanks, blow tanks, chip steamers not using live steam, blow heat recovery accumulators, relief gas condensers, prehydrolysis units preceding the pulp washing system, and any other equipment serving the same function as those previously listed. The digester system includes any of the liquid streams or condensates associated with batch or continuous digester relief, blow or flash steam processes. NR 464.02(14)(14) “Emission point” means any part of a stationary source that emits hazardous air pollutants regulated under this chapter, including emissions from individual process vents, stacks, open pieces of process equipment, equipment leaks, wastewater and condensate collection and treatment system units, and those emissions that could reasonably be conveyed through a stack, chimney or duct where such emissions first reach the environment. NR 464.02(15)(15) “Evaporator system” means all equipment associated with increasing the solids content or concentrating spent cooking liquor from the pulp washing system including pre-evaporators, multi-effect evaporators, concentrators and vacuum systems, as well as associated condensers, hotwells and condensate streams, and any other equipment serving the same function as those previously listed. NR 464.02(16)(16) “Flow indicator” means any device that indicates gas or liquid flow in an enclosed system. NR 464.02(17)(17) “High volume, low concentration collection system” or “HVLC collection system” means the gas collection and transport system used to convey gases from the HVLC system to a control device. NR 464.02(18)(18) “High volume, low concentration system” or “HVLC system” means the collection of equipment including the pulp washing, knotter, screen, decker and oxygen delignification systems, weak liquor storage tanks and any other equipment serving the same function as those previously listed. NR 464.02(19)(19) “Knotter system” means equipment where knots, oversized material or pieces of uncooked wood are removed from the pulp slurry after the digester system and prior to the pulp washing system. The knotter system equipment includes the knotter, knot drainer tanks, ancillary tanks and any other equipment serving the same function as those previously listed. NR 464.02(20)(20) “Kraft pulping” means a chemical pulping process that uses a mixture of sodium hydroxide and sodium sulfide as the cooking liquor. NR 464.02(21)(21) “Lime kiln” means an enclosed combustion device used to calcine lime mud, which consists primarily of calcium carbonate, into calcium oxide. NR 464.02(22)(22) “Low volume, high concentration collection system” or “LVHC collection system” means the gas collection and transport system used to convey gases from the LVHC system to a control device. NR 464.02(23)(23) “Low volume, high concentration system” or “LVHC system” means the collection of equipment including the digester, turpentine recovery, evaporator, steam stripper systems and any other equipment serving the same function as those previously listed. NR 464.02(24)(24) “Mechanical pulping” means a pulping process that only uses mechanical and thermo-mechanical processes to reduce wood to a fibrous mass. The mechanical pulping processes include, but are not limited to, stone groundwood, pressurized groundwood, refiner mechanical, thermal refiner mechanical, thermo-mechanical and tandem thermo-mechanical. NR 464.02(25)(25) “Non-wood pulping” means the production of pulp from fiber sources other than trees. The non-wood fiber sources include, but are not limited to, bagasse, cereal straw, cotton, flax straw, hemp, jute, kenaf and leaf fibers. NR 464.02(26)(26) “Oven-dried pulp” or “ODP” means a pulp sample at zero percent moisture content by weight.
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Chs. NR 400-499; Environmental Protection – Air Pollution Control
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