NR 469.07(4)(b)(b) If using a control device not listed in s. NR 469.06 (2), the owner or operator shall indicate whether the exceedance of the parameters that are monitored to determine the proper functioning of this control would be classified as an immediate exceedance or whether a 15 day repair period would be allowed. This information shall be submitted to the department for approval. NR 469.07(5)(5) The owner or operator shall report all exceedances and all corrections and adjustments made to avoid an exceedance as specified in s. NR 469.12 (7). NR 469.07 HistoryHistory: Cr. Register, March, 1997, No. 495, eff. 4-1-97. NR 469.073NR 469.073 Control device and operational requirements for continuous web cleaning machines. Except as provided in ss. NR 469.077 and 469.08 for remote reservoir continuous web cleaning machines, each owner or operator of a continuous web cleaning machine shall comply with subs. (1) to (4) for each continuous web cleaning machine. NR 469.073(1)(1) Except as provided in sub. (2), install, maintain and operate one of the following control combinations on each continuous web cleaning machine: NR 469.073(1)(a)(a) For each existing continuous web cleaning machine, the following control combinations are allowed: NR 469.073(1)(a)1.1. Superheated vapor or superheated part technology and a freeboard ratio of 1.0 or greater. NR 469.073(1)(a)2.2. Freeboard refrigeration device and a freeboard ratio of 1.0 or greater. NR 469.073(1)(b)(b) For each new continuous web cleaning machine, the following control combinations are allowed: NR 469.073(1)(b)1.1. Superheated vapor or superheated part technology and a freeboard refrigeration device. NR 469.073(2)(2) If a carbon adsorber system can be demonstrated to the department’s satisfaction to have an overall solvent control efficiency (capture efficiency and removal efficiency) of 70% or greater, this system is equivalent to the options in this section. NR 469.073(3)(3) In lieu of complying with the provisions of s. NR 469.04 (1), the owner or operator of a continuous web cleaning machine shall comply with the following provisions: NR 469.073(3)(a)(a) Each cleaning machine shall meet one of the following control equipment or technique requirements: NR 469.073(3)(a)1.1. An idling and downtime mode cover, as described in s. NR 469.05 (1) (a), that may be readily opened or closed; that completely covers the cleaning machine openings when in place and is free of cracks, holes and other defects. A continuous web part that completely occupies an entry or exit port when the machine is idle is considered to meet this requirement. NR 469.073(3)(a)3.3. Gasketed or leakproof doors that separate both the continuous web part feed reel and take-up reel from the room atmosphere if the doors are checked according to the requirements of s. NR 469.06 (2) (c). NR 469.073(3)(a)4.4. A cleaning machine that is demonstrated to the department’s satisfaction to be under negative pressure during idling and downtime and is vented to a carbon adsorption system that meets the requirements of either s. NR 469.06 (2) (g) or sub. (2). NR 469.073(3)(b)(b) Each continuous web cleaning machine shall have a freeboard ratio of 0.75 or greater unless that cleaning machine is a remote reservoir continuous web cleaning machine. NR 469.073(3)(c)(c) Each cleaning machine shall have an automated parts handling system capable of moving parts or parts baskets at a speed of 3.4 meters per minute or less from the initial loading of parts through removal of cleaned parts, unless the cleaning machine is a continuous web cleaning machine that has a squeegee system or air knife system installed, maintained and operated on the continuous web cleaning machine meeting the requirements of s. NR 469.06. NR 469.073(3)(d)(d) Each vapor cleaning machine shall be equipped with a device that shuts off the sump heat if the sump liquid solvent level drops to the sump heater coils. This requirement does not apply to a vapor cleaning machine that uses steam to heat the solvent. NR 469.073(3)(e)(e) Each vapor cleaning machine shall be equipped with a vapor level control device that shuts off sump heat if the vapor level in the vapor cleaning machine rises above the height of the primary condenser. NR 469.073(3)(g)(g) Each cleaning machine that uses a lip exhaust or any other exhaust within the solvent cleaning machine shall be designed and operated to route all collected solvent vapors through a properly operated and maintained carbon adsorber that meets the requirements of either s. NR 469.06 (2) (g) or sub. (2). NR 469.073(4)(4) In lieu of complying with the provisions of s. NR 469.05, the owner or operator of a continuous web cleaning machine shall comply with the following provisions: NR 469.073(4)(a)(a) Control air disturbances across the cleaning machine openings by incorporating one of the following control equipment or techniques: NR 469.073(4)(a)1.1. Covers to each solvent cleaning machine shall be in place during the idling mode and during the downtime mode unless either the solvent has been removed from the machine or maintenance or monitoring is being performed that requires the covers in place. A continuous web part that completely occupies an entry or exit port when the machine is idle is considered to meet this requirement. NR 469.073(4)(a)3.3. Gasketed or leakproof doors or covers that separate both the continuous web part feed reel and take-up reel from the room atmosphere if the doors are checked according to the requirements of s. NR 469.06 (2) (c). NR 469.073(4)(a)4.4. A cleaning machine that is demonstrated to the department’s satisfaction to be under negative pressure during idling and downtime and is vented to a carbon adsorption system that meets either the requirements of s. NR 469.06 (2) (g) or sub. (2). NR 469.073(4)(b)(b) Any spraying operations shall be conducted in a section of the solvent cleaning machine that is not directly exposed to the ambient air, such as a baffled or enclosed area of the solvent cleaning machine, or within a machine having a door or cover that meets the requirements of par. (a) 3. NR 469.073(4)(c)(c) During startup of each vapor cleaning machine, the primary condenser shall be turned on before the sump heater. NR 469.073(4)(d)(d) During shutdown of each vapor cleaning machine, the sump heater shall be turned off and the solvent vapor layer allowed to collapse before the primary condenser is turned off. NR 469.073(4)(e)(e) When solvent is added to or drained from any solvent cleaning machine, the solvent shall be transferred using threaded or other leak proof couplings, and the end of the pipe in the solvent sump shall be located beneath the liquid solvent surface. NR 469.073(4)(f)(f) Each solvent cleaning machine and associated controls shall be maintained as recommended by the manufacturers of the equipment or using alternative maintenance practices that have been demonstrated to the department’s satisfaction to achieve the same or better results as those recommended by the manufacturer. NR 469.073(4)(g)(g) Waste solvent, still bottoms, sump bottoms and waste absorbent materials used in the cleaning process for continuous web cleaning machines shall be collected and stored in waste containers. The closed containers may contain a device that would allow pressure relief, but would not allow liquid solvent to drain from the container. NR 469.073(4)(h)(h) Except as provided in par. (i), sponges, fabric, wood, and paper products may not be cleaned. NR 469.073(4)(i)(i) The prohibition in par. (h) does not apply to absorbent materials that are used as part of the cleaning process of continuous web cleaning machines, including rollers and roller covers. NR 469.073 HistoryHistory: CR 07-105: cr. Register December 2008 No. 636, eff. 1-1-09. NR 469.077NR 469.077 Control device and operational requirements for remote reservoir continuous web cleaning machines. Except as provided in s. NR 469.08, each owner or operator of a remote reservoir continuous web cleaning machine shall comply with subs. (1) to (3). NR 469.077(1)(1) Except as provided in sub. (2), install, maintain and operate one of the following controls on each new remote reservoir continuous web cleaning machine. NR 469.077(1)(c)(c) If a carbon adsorber system can be demonstrated to the department’s satisfaction to have an overall solvent control efficiency (capture efficiency and removal efficiency) of 70% or greater, this system is equivalent to the options in pars. (a) and (b). NR 469.077(2)(2) In lieu of complying with the provisions of s. NR 469.04 (1), the owner or operator of a remote reservoir continuous web cleaning machine shall comply with the following provisions: NR 469.077(2)(a)(a) Each cleaning machine shall have an automated parts handling system capable of moving parts or parts baskets at a speed of 3.4 meters per minute or less from the initial loading of parts through removal of cleaned parts, unless the cleaning machine is a continuous web cleaning machine that has a squeegee system or air knife system installed, maintained and operated on the continuous web cleaning machine meeting the requirements of s. NR 469.06. NR 469.077(2)(b)(b) Each vapor cleaning machine shall be equipped with a device that shuts off the sump heat if the sump liquid solvent level drops to the sump heater coils. NR 469.077(2)(c)(c) Each vapor cleaning machine shall be equipped with a vapor level control device that shuts off sump heat if the vapor level in the vapor cleaning machine rises above the height of the primary condenser. NR 469.077(2)(e)(e) Each cleaning machine that uses a lip exhaust or any other exhaust within the solvent cleaning machine shall be designed and operated to route all collected solvent vapors through a properly operated and maintained carbon adsorber that meets the requirements of either s. NR 469.06 (2) (g) or 469.073 (2). NR 469.077(3)(3) In lieu of complying with the provisions of s. NR 469.05, the owner or operator of a remote reservoir continuous web cleaning machine shall comply with the following provisions: NR 469.077(3)(a)(a) Any spraying operations shall be conducted in a section of the solvent cleaning machine that is not directly exposed to the ambient air, such as a baffled or enclosed area of the solvent cleaning machine, or in a machine having a door or cover that meets the requirements of s. NR 469.073 (4) (a) 3. NR 469.077(3)(b)(b) During startup of each vapor cleaning machine, the primary condenser shall be turned on before the sump heater. NR 469.077(3)(c)(c) During shutdown of each vapor cleaning machine, the sump heater shall be turned off and the solvent vapor layer allowed to collapse before the primary condenser is turned off. NR 469.077(3)(d)(d) When solvent is added to or drained from any solvent cleaning machine, the solvent shall be transferred using threaded or other leak proof couplings, and the end of the pipe in the solvent sump shall be located beneath the liquid solvent surface. NR 469.077(3)(e)(e) Each solvent cleaning machine and associated controls shall be maintained as recommended by the manufacturers of the equipment or using alternative maintenance practices that have been demonstrated to the department’s satisfaction to achieve the same or better results as those recommended by the manufacturer. NR 469.077(3)(f)(f) Waste solvent, still bottoms, sump bottoms and waste absorbent materials used in the cleaning process for continuous web cleaning machines shall be collected and stored in waste containers. The closed containers may contain a device that would allow pressure relief, but would not allow liquid solvent to drain from the container. NR 469.077(3)(g)(g) Except as provided in par. (h), sponges, fabric, wood and paper products may not be cleaned. NR 469.077(3)(h)(h) The prohibition in par. (g) does not apply to absorbent materials that are used as part of the cleaning process of continuous web cleaning machines, including rollers and roller covers. NR 469.077 HistoryHistory: CR 07-105: cr. Register December 2008 No. 636, eff. 1-1-09; correction in (intro.) made under 13.92 (4) (b) 7., Stats., Register December 2008 No. 636. NR 469.08(1)(1) As an alternative to meeting the requirements in ss. NR 469.04 to 469.07, each owner or operator of a batch vapor or in-line solvent cleaning machine may elect to comply with the requirements of this section. An owner or operator of a solvent cleaning machine who elects to comply with this section shall comply with the requirements specified in par. (a) or (b). NR 469.08(1)(a)(a) If the cleaning machine has a solvent/air interface, the owner or operator shall comply with both of the following requirements: NR 469.08(1)(a)1.1. Maintain a log of solvent additions and deletions for each solvent cleaning machine. NR 469.08(1)(a)2.2. Ensure that the emissions from each solvent cleaning machine are equal to or less than the applicable emission limit presented in Table 6 as determined using the procedures in s. NR 469.09 (2) and (3). NR 469.08(1)(b)(b) If the cleaning machine is a batch vapor cleaning machine and does not have a solvent/air interface, the owner or operator shall comply with all of the following requirements: NR 469.08(1)(b)1.1. Maintain a log of solvent additions and deletions for each solvent cleaning machine. NR 469.08(1)(b)2.2. Ensure that the emissions from each solvent cleaning machine are equal to or less than the appropriate limits as described as follows: NR 469.08(1)(b)2.a.a. For cleaning machines with a cleaning capacity, as reported in s. NR 469.12 (4) (c), that is less than or equal to 2.95 cubic meters (104 cubic feet), the emission limit shall be determined using either Table 7 or equation 1. If using Table 7, and the cleaning capacity of the cleaning machine falls between 2 cleaning capacity sizes, then the lower of the 2 emission limits applies. NR 469.08(1)(b)2.b.b. For cleaning machines with a cleaning capacity, as reported in s. NR 469.12 (4) (c), that is greater than 2.95 cubic meters (104 cubic feet), the emission limit shall be determined using equation 1. EL = 330 × (Vol)0.6 (Equation 1)
where:
EL is the 3-month rolling average monthly emission limit (kilograms/month)
Vol is the cleaning capacity of the solvent cleaning machine (cubic meters)
NR 469.08 NoteNote: Equation 1 requires the use of metric units. Multiply cubic feet by 0.02832 to obtain cubic meters. Multiply kilograms by 2.2046 to obtain pounds.
NR 469.08(2)(2) Each owner or operator of a batch vapor or in-line solvent cleaning machine complying with sub. (1) shall demonstrate compliance with the applicable 3-month rolling average monthly emission limit on a monthly basis as described in s. NR 469.09 (2) and (3). NR 469.08(3)(3) If the applicable 3-month rolling average emission limit is not met, an exceedance has occurred. All exceedances shall be reported as required in s. NR 469.12 (7). NR 469.08(4)(4) As an alternative to meeting the requirements in ss. NR 469.04 to 469.077, each owner or operator of a continuous web cleaning machine may demonstrate an overall cleaning system control efficiency of 70% or greater using the procedures in s. NR 469.09 (7). This demonstration may be made for either a single cleaning machine or for a solvent cleaning system that contains one or more cleaning machines and ancillary equipment, such as storage tanks and distillation units. If the demonstration is made for a cleaning system, the facility shall identify any modifications required to the procedures in s. NR 469.09 (7) and they shall be approved by the department. Table 6. Emission Limits for Batch Vapor and In-line Solvent Cleaning Machines With a Solvent/Air Interface
Table 7. Emission Limits for Cleaning Machines Without a Solvent/Air Interface1,2
1 Divide cubic feet by 35.31 to obtain the cleaning capacity in cubic meters.
2 Multiply kilograms/month by 2.2046 to obtain the 3-month rolling average in pounds/month.
NR 469.08 HistoryHistory: Cr. Register, March, 1997, No. 495, eff. 4-1-97; CR 07-105: r. (1) (c), cr. (4) Register December 2008 No. 636, eff. 1-1-09; correction in (1) (intro.) made under 13.92 (4) (b) 7., Stats., Register December 2008 No. 636. NR 469.085(1)(1) Each owner or operator of an affected facility shall comply with the requirements specified in this section. For purposes of this section, “affected facility” means all solvent cleaning machines, except solvent cleaning machines used in the manufacture and maintenance of aerospace products, solvent cleaning machines used in the manufacture of narrow tubing, and continuous web cleaning machines, located at a major source that are subject to the facility-wide limits in sub. (2) (b), and for area sources, “affected facility” means all solvent cleaning machines, except cold batch cleaning machines, located at an area source that are subject to the facility-wide limits in sub. (2) (b).
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