NR 464.04(3)(b)1.1. Emit no more than 1.1 kilograms of total HAP or methanol per megagram (2.2 pounds per ton) of ODP. NR 464.04 HistoryHistory: CR 00-175: cr. Register March 2002 No. 555, eff. 4-1-02. NR 464.05NR 464.05 Standards for the bleaching system. NR 464.05(1)(1) Each bleaching system that does not use any chlorine or chlorinated compounds for bleaching is exempt from the requirements of this section. Owners or operators of the following bleaching systems shall meet all the provisions of this section: NR 464.05(1)(b)(b) Bleaching systems bleaching pulp from kraft, sulfite or soda pulping processes that use any chlorinated compounds. NR 464.05(1)(c)(c) Bleaching systems bleaching pulp from mechanical pulping processes using wood, or from any process using secondary or non-wood fibers, that use chlorine dioxide. NR 464.05(2)(2) The equipment at each bleaching stage of the bleaching systems listed in sub. (1) where chlorinated compounds are introduced shall be enclosed and vented into a closed-vent system which routes emissions to a control device that meets the requirements specified in sub. (3). The enclosures and closed-vent system shall meet the requirements specified in s. NR 464.08. If process modifications are used to achieve compliance with the emission limits specified in sub. (3) (b) or (c), enclosures and closed-vent systems are not required. NR 464.05(3)(3) The control device used to reduce chlorinated HAP emissions, not including chloroform, from the equipment specified in sub. (2) shall do one of the following: NR 464.05(3)(a)(a) Reduce the total chlorinated HAP mass in the vent stream entering the control device by 99% or more by weight. NR 464.05(3)(b)(b) Achieve a treatment device outlet concentration of 10 parts per million or less by volume of total chlorinated HAP. NR 464.05(3)(c)(c) Achieve a treatment device outlet mass emission rate of 0.001 kg of total chlorinated HAP mass per megagram (0.002 pounds per ton) of ODP. NR 464.05(4)(4) The owner or operator of each bleaching system subject to sub. (1) (b) shall comply with par. (a) or (b) to reduce chloroform air emissions to the atmosphere, except the owner or operator of each bleaching system complying with extended compliance under s. NR 464.01 (1) (e) 1. to 3. shall comply with par. (a). The owner or operator shall: NR 464.05(4)(b)(b) Use no hypochlorite or chlorine for bleaching in the bleaching system or line. NR 464.05 HistoryHistory: CR 00-175: cr. Register March 2002 No. 555, eff. 4-1-02. NR 464.06NR 464.06 Standards for kraft pulping process condensates. NR 464.06(1)(1) The requirements of this section apply to owners or operators of kraft processes subject to the requirements of this chapter. NR 464.06(2)(2) The pulping process condensates from the following equipment systems shall be treated to meet the requirements specified in subs. (3), (4) and (5): NR 464.06(2)(c)(c) Each evaporator system condensate from both of the following: NR 464.06(2)(c)1.1. The vapors from each stage where weak liquor is introduced (feed stages). NR 464.06(2)(c)2.2. Each evaporator vacuum system for each stage where weak liquor is introduced (feed stages). NR 464.06(3)(3) One of the following combinations of HAP-containing pulping process condensates generated, produced or associated with the equipment systems listed in sub. (2) shall be subject to the requirements of subs. (4) and (5): NR 464.06(3)(b)(b) The combined pulping process condensates from the equipment systems specified in sub. (2) (d) and (e), plus pulping process condensate streams that in total contain at least 65% of the total HAP mass from the pulping process condensates from equipment systems listed in sub. (2) (a) to (c). NR 464.06(3)(c)(c) The pulping process condensates from equipment systems listed in sub. (2) (a) to (e) that in total contain a total HAP mass of 3.6 kilograms or more of total HAP per megagram (7.2 pounds per ton) of ODP for mills that do not perform bleaching or 5.5 kilograms or more of total HAP per megagram (11.1 pounds per ton) of ODP for mills that perform bleaching. NR 464.06(4)(4) The pulping process condensates from the equipment systems listed in sub. (2) shall be conveyed in a closed collection system that is designed and operated to meet the requirements specified in pars. (a) and (b): NR 464.06(4)(b)(b) If a condensate tank is used in the closed collection system, the tank shall meet both of the following requirements: NR 464.06(4)(b)1.1. The fixed roof and all openings, such as access hatches, sampling ports and gauge wells, shall be designed and operated with no detectable leaks as indicated by an instrument reading of less than 500 parts per million above background, and vented into a closed-vent system that meets the requirements in s. NR 464.08 and routed to a control device that meets the requirements in s. NR 464.03 (4). NR 464.06(4)(b)2.2. Each opening shall be maintained in a closed, sealed position, e.g., covered by a lid that is gasketed and latched, at all times that the tank contains pulping process condensates or any HAP removed from a pulping process condensate stream except when it is necessary to use the opening for sampling, removal, or for equipment inspection, maintenance or repair. NR 464.06(5)(5) Each pulping process condensate from the equipment systems listed in sub. (2) shall be treated according to one of the following options: NR 464.06(5)(b)(b) Discharge the pulping process condensate below the liquid surface of a biological treatment system and treat the pulping process condensates to meet the requirements specified in par. (c), (d) or (e), and measuring total HAP as specified in 40 CFR 63.457(g). NR 464.06(5)(c)(c) Treat the pulping process condensates to reduce or destroy the total HAPs by 92% or more by weight. NR 464.06(5)(d)(d) At mills that do not perform bleaching, treat the pulping process condensates to remove 3.3 kilograms or more of total HAP per megagram (6.6 pounds per ton) of ODP, or achieve a total HAP concentration of 210 parts per million or less by weight at the outlet of the control device. NR 464.06(5)(e)(e) At mills that perform bleaching, treat the pulping process condensates to remove 5.1 kilograms or more of total HAP per megagram (10.2 pounds per ton) of ODP, or achieve a total HAP concentration of 330 parts per million or less by weight at the outlet of the control device. NR 464.06(6)(6) Each HAP removed from a pulping process condensate stream during treatment and handling under sub. (4) or (5), except for those treated according to sub. (5) (b), shall be controlled as specified in s. NR 464.03 (3) and (4). NR 464.06(7)(7) For each control device, such as a steam stripper system or other equipment serving the same function, used to treat pulping process condensates to comply with the requirements specified in sub. (5) (c) to (e), periods of excess emissions reported under s. NR 464.05 are not a violation subs. (4) and (5) (c) to (e) and (6) provided that the time of excess emissions, including periods of startup, shutdown or malfunction, divided by the total process operating time in a semi-annual reporting period does not exceed 10%. The 10% excess emissions allowance does not apply to treatment of pulping process condensates according to sub. (5) (b) as done, for example, with the biological wastewater treatment system used to treat multiple wastewater streams to comply with the clean water act. NR 464.06(8)(8) Each owner or operator of a new or existing affected source subject to the requirements of this section shall evaluate all new or modified pulping process condensates or changes in the annual bleached or non-bleached ODP used to comply with sub. (9) to determine if they meet the applicable requirements of this section. NR 464.06(9)(9) For the purposes of meeting the requirements in sub. (3) (b) or (c) or (5) (d) or (e) at mills producing both bleached and unbleached pulp products, owners and operators may meet a prorated mass standard that is calculated by prorating the applicable mass standards (kilograms of total HAP per megagram of ODP) for bleached and unbleached mills specified in sub. (3) (b) or (c) or (5) (d) or (e) by the ratio of annual megagrams of bleached and unbleached ODP. NR 464.06 HistoryHistory: CR 00-175: cr. Register March 2002 No. 555, eff. 4-1-02. NR 464.07NR 464.07 Clean condensate alternative. As an alternative to the requirements specified in s. NR 464.03 (1) (a) 2. to 5. for the control of HAP emissions from pulping systems using the kraft process, an owner or operator shall demonstrate to the satisfaction of the department, by meeting all the requirements of this section, that the total HAP emissions reductions achieved by this clean condensate alternative technology are equal to or greater than the total HAP emission reductions that would have been achieved by compliance with s. NR 464.03 (1) (a) 2. to 5. NR 464.07(1)(1) For the purposes of this section only the following additional definitions apply: NR 464.07(1)(a)(a) “Clean condensate alternative affected source” means the total of all HAP emission points in the pulping, bleaching, causticizing and papermaking systems, exclusive of HAP emissions attributable to additives to paper machines and HAP emission points in the LVHC system. NR 464.07(1)(b)(b) “Causticizing system” means all equipment associated with converting sodium carbonate into active sodium hydroxide. The equipment includes smelt dissolving tanks, lime mud washers and storage tanks, white and mud liquor clarifiers and storage tanks, slakers, slaker grit washers, lime kilns, green liquor clarifiers and storage tanks, and dreg washers ending with the white liquor storage tanks prior to the digester system, and any other equipment serving the same function as those previously listed. NR 464.07(1)(c)(c) “Papermaking system” means all equipment used to convert pulp into paper, paperboard or market pulp, including the stock storage and preparation systems, the paper or paperboard machines, and the paper machine white water system, broke recovery systems, and the systems involved in calendering, drying, on-machine coating, slitting, winding and cutting. NR 464.07(2)(2) Each owner or operator shall install and operate a clean condensate alternative technology with a continuous monitoring system to reduce total HAP emissions by treating and reducing HAP concentrations in the pulping process water used within the clean condensate alternative affected source. NR 464.07(3)(3) Each owner or operator shall calculate HAP emissions on a kilogram per megagram of ODP basis and measure HAP emissions according to the appropriate procedures contained in 40 CFR 63.457, incorporated by reference in s. NR 484.03 (6). NR 464.07(4)(4) Each owner or operator shall determine the baseline HAP emissions for each equipment system and the total of all equipment systems in the clean condensate alternative affected source based on the following: NR 464.07(4)(a)(a) Process and air pollution control equipment installed and operating on December 17, 1993. NR 464.07(4)(b)(b) Compliance with the all following requirements that affect the level of HAP emissions from the clean condensate alternative affected source: NR 464.07(4)(b)3.3. All other applicable requirements of local, state or federal agencies or statutes. NR 464.07(5)(5) Each owner or operator shall determine the following HAP emission reductions from the baseline HAP emissions determined in sub. (4) for each equipment system and the total of all equipment systems in the clean condensate alternative affected source: NR 464.07(5)(b)(b) The HAP emissions reduction occurring by complying with the clean condensate alternative technology. NR 464.07(6)(6) For the purposes of all requirements in this section, each owner or operator may use as an alternative, individual equipment systems, instead of total of all equipment systems, within the clean condensate alternative affected source to determine emissions and reductions to demonstrate achievement of equal or greater than the reductions that would have been achieved by compliance with of s. NR 464.03 (1) (a) 2. to 5. NR 464.07(7)(7) The initial and updates to the control strategy report specified in s. NR 464.11 shall include to the extent possible the following information: NR 464.07(7)(a)1.1. The equipment systems and emission points that comprise the clean condensate alternative affected source. NR 464.07(7)(b)(b) Estimates and basis for the estimates of total HAP emissions and emissions reductions to fulfill the requirements subs. (4), (5) and (6). NR 464.07(8)(8) Each owner or operator shall report to the department by the applicable compliance date specified in s. NR 464.01 (1) (d), (e) or (f) the rationale, calculations, test procedures and data documentation used to demonstrate compliance with all the requirements of this section. NR 464.07 HistoryHistory: CR 00-175: cr. Register March 2002 No. 555, eff. 4-1-02. NR 464.08NR 464.08 Standards for enclosures and closed-vent systems. NR 464.08(2)(2) Each enclosure shall maintain negative pressure at each enclosure or hood opening as demonstrated by the procedures specified in 40 CFR 63.457(e), incorporated by reference in s. NR 484.03 (6). Each enclosure or hood opening closed during the initial performance test specified in 40 CFR 63.457(a) shall be maintained in the same closed and sealed position as during the performance test at all times except when necessary to use the opening for sampling, inspection, maintenance or repairs. NR 464.08(3)(3) Each component of the closed-vent system used to comply with ss. NR 464.03 (3), 464.04 (2) and 464.05 (2) that is operated at positive pressure and located prior to a control device shall be designed for and operated with no detectable leaks as indicated by an instrument reading of less than 500 parts per million by volume above background, as measured by the procedures specified in 40 CFR 63.457(d), incorporated by reference in s. NR 484.03 (6). NR 464.08(4)(4) Each bypass line in the closed-vent system that could divert vent streams containing HAP to the atmosphere without meeting the emission limitations in ss. NR 464.03 to 464.05 shall comply with either of the following requirements: NR 464.08(4)(a)(a) On each bypass line, the owner or operator shall install, calibrate, maintain and operate according to manufacturer’s specifications a flow indicator that provides a record of the presence of gas stream flow in the bypass line at least once every 15 minutes. The flow indicator shall be installed in the bypass line in such a way as to indicate flow in the bypass line. NR 464.08(4)(b)(b) For bypass line valves that are not computer controlled, the owner or operator shall maintain the bypass line valve in the closed position with a car seal or a seal placed on the valve or closure mechanism in such a way that valve or closure mechanism cannot be opened without breaking the seal. NR 464.08 HistoryHistory: CR 00-175: cr. Register March 2002 No. 555, eff. 4-1-02. NR 464.09(1)(1) Each owner or operator subject to the standards specified in s. NR 464.03 (3) and (4), 464.04 (2) and (3), 464.05 (2) and (3), 464.06 (3), (4) and (5), 464.07 (2) or 464.08 (4), shall install, calibrate, certify, operate and maintain according to the manufacturer’s specifications, a continuous monitoring system (CMS), as defined in s. NR 460.02 (12), as specified in subs. (2) to (13), except as allowed in sub. (13). The CMS shall include a continuous recorder. NR 464.09(2)(2) A CMS shall be operated to measure the temperature in the firebox or in the ductwork immediately downstream of the firebox and before any substantial heat exchange occurs for each thermal oxidizer used to comply with the requirements of s. NR 464.03 (4) (a) to (c). Owners and operators complying with the HAP concentration requirements in s. NR 464.03 (4) (b) may install a CMS to monitor the thermal oxidizer outlet total HAP or methanol concentration, as an alternative to monitoring thermal oxidizer operating temperature. NR 464.09(3)(3) A CMS shall be operated to measure all the following parameters for each gas scrubber used to comply with the bleaching system requirements of s. NR 464.05 (3) or the sulfite pulping system requirements of s. NR 464.04 (3): NR 464.09(3)(a)(a) The pH or the oxidation/reduction potential of the gas scrubber effluent.
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Chs. NR 400-499; Environmental Protection – Air Pollution Control
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