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NR 469.03(4)(b) (b) Employ a tightly fitting cover on the machine that shall be closed at all times except during parts entry and removal, and a freeboard ratio of 1.0 or greater; and comply with the work and operational practices specified in sub. (3).
NR 469.03(5) (5) Each owner or operator of a batch cold solvent cleaning machine complying with sub. (4) (a) shall comply with the work and operational practices specified in pars. (a) to (d).
NR 469.03(5)(a) (a) Equip the machine with a facility for draining cleaned parts, with the drainage facility constructed so that parts are enclosed under the cover while draining, except that the drainage facility may be external for applications where an internal type cannot fit into the cleaning system.
NR 469.03(5)(b) (b) If used, supply a solvent spray that is a solid fluid stream, not a fine, atomized or shower type spray, at a pressure that does not cause splashing.
NR 469.03(5)(c) (c) Provide a permanent, conspicuous label, summarizing the operating requirements.
NR 469.03(5)(d) (d) Provide supervision or instruction adequate to ensure the operation is conducted in accord with all of the following:
NR 469.03(5)(d)1. 1. Close the cover whenever parts are not being handled in the cleaner.
NR 469.03(5)(d)2. 2. Drain the cleaned parts for at least 15 seconds or until dripping ceases.
NR 469.03(5)(d)3. 3. Store waste solvent only in covered containers and not dispose of waste solvent or transfer it to another person in such a way as to cause greater than 15% of the waste solvent, by weight, to evaporate into the ambient air during ozone season, s. NR 419.04 notwithstanding.
NR 469.03(5)(d)4. 4. Repair solvent leaks immediately, or shut down the machine until the leaks are repaired.
NR 469.03 Note Note: Subsections (4) and (5) contain pertinent language previously applicable under s. NR 423.03 (3) and now applicable under this chapter instead to owners and operators of immersion batch cleaning machines that use solvents that contain halogenated HAP compounds that are also VOCs.
NR 469.03(6) (6) Each owner or operator of a new batch cold cleaning machine shall comply with the initial notification reporting requirements as described in s. NR 469.12 (1). Each owner or operator of a batch cold cleaning machine shall comply with the initial statement of compliance reporting requirements as described in s. NR 469.12 (2). No further reporting or recordkeeping is required.
NR 469.03(7) (7) Each owner or operator of a batch cold cleaning machine shall submit an initial notification report as described in s. NR 469.12 (1) and an initial statement of compliance as described in s. NR 469.12 (2).
NR 469.03 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97; CR 07-105: r. (1) (c), (2) (b) and (4) (c), am. (3) (intro.) and (h), cr. (3) (i), (3m) and (7) Register December 2008 No. 636, eff. 1-1-09; corrections in (2) and (3) (intro.) made under 13.92 (4) (b) 1. and 7., Stats., Register December 2008 No. 636.
NR 469.04 NR 469.04Batch vapor and in-line cleaning machine standards.
NR 469.04(1) (1) Except as provided in s. NR 469.08 for all cleaning machines, each owner or operator of a solvent cleaning machine subject to the provisions of this chapter shall ensure that each existing or new batch vapor or in-line solvent cleaning machine subject to the provisions of this chapter conforms to the design requirements specified in pars. (a) to (g). The owner of operator of a continuous web cleaning machine shall comply with the requirements of s. NR 469.073 or 469.077, as appropriate, in lieu of complying with this paragraph.
NR 469.04 Note Note: Owners and operators of batch vapor and in-line cleaning machines should also refer to ss. NR 469.05 and 469.06.
NR 469.04(1)(a) (a) Each cleaning machine shall be designed or operated to meet one of the following requirements:
NR 469.04(1)(a)1. 1. Equip the cleaning machine with 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.
NR 469.04(1)(a)2. 2. Use reduced room draft as described in s. NR 469.06 (2) (b).
NR 469.04(1)(b) (b) Each cleaning machine shall have a freeboard ratio of 0.75 or greater.
NR 469.04(1)(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 (11 feet per minute) or less from the initial loading of parts through removal of cleaned parts.
NR 469.04(1)(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 469.04(1)(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 469.04(1)(f) (f) Each vapor cleaning machine shall have a primary condenser.
NR 469.04(1)(g) (g) Each cleaning machine that uses a lip exhaust shall be designed and operated to route all collected solvent vapors through a properly operated and maintained carbon adsorber that meets the requirements of s. NR 469.06 (2) (g).
NR 469.04(2) (2) Except as provided in s. NR 469.08, each owner or operator of an existing or new batch vapor cleaning machine shall comply with either par. (a) or (b).
NR 469.04(2)(a) (a) Each owner or operator of a batch vapor cleaning machine with a solvent/air interface area of 1.21 square meters (13 square feet) or less shall comply with the requirements specified in either subd. 1. or 2.
NR 469.04(2)(a)1. 1. Employ one of the control combinations listed in Table 1 or other equivalent methods of control determined using the procedures in sub. (4).
Table 1. Control Combinations for Batch Vapor Solvent Cleaning Machines With a Solvent/Air Interface Area of 1.21 Square Meters (13 Square Feet) or Less - See PDF for table PDF - See PDF for table PDF
NR 469.04 Note Note: Unlike most of the control techniques available for complying with this rule, carbon adsorbers are not considered to be a pollution prevention measure. Use of such units may impose additional cost and burden for a number of reasons. First, carbon adsorption units are generally more expensive than other controls listed in the options. Second, these units may present cross-media impacts such as effluent discharges if not properly operated and maintained, and spent carbon beds have to be disposed of as hazardous waste. When making decisions about what controls to install on halogenated solvent cleaning machines to meet the requirements of this rule, all of these factors should be weighed and pollution prevention measures are encouraged wherever possible.
NR 469.04(2)(a)2. 2. Demonstrate that the solvent cleaning machine can achieve and maintain an idling emission limit of 0.22 kilograms per hour per square meter (0.045 pounds per hour per square foot) of solvent/air interface area as determined using the procedures in s. NR 469.09 (1).
NR 469.04 Note Note: Owners and operators who choose to comply with an idling emission limit should also refer to s. NR 469.07.
NR 469.04(2)(b) (b) Each owner or operator of a batch vapor cleaning machine with a solvent/air interface area greater than 1.21 square meters (13 square feet) shall comply with the requirements specified in either subd. 1. or 2.
NR 469.04(2)(b)1. 1. Employ one of the control combinations listed in Table 2 or other equivalent methods of control determined using the procedures in sub. (4).
Table 2. Control Combinations for Batch Vapor Solvent Cleaning Machines With a Solvent/Air Interface Area Greater Than 1.21 Square Meters (13 Square Feet) - See PDF for table PDF
NR 469.04 Note Note: Unlike most of the control techniques available for complying with this rule, carbon adsorbers are not considered to be a pollution prevention measure. Use of such units may impose additional cost and burden for a number of reasons. First, carbon adsorption units are generally more expensive than other controls listed in the options. Second, these units may present cross-media impacts such as effluent discharges if not properly operated and maintained, and spent carbon beds have to be disposed of as hazardous waste. When making decisions about what controls to install on halogenated solvent cleaning machines to meet the requirements of this rule, all of these factors should be weighed and pollution prevention measures are encouraged wherever possible.
NR 469.04(2)(b)2. 2. Demonstrate that the solvent cleaning machine can achieve and maintain an idling emission limit of 0.22 kilograms per hour per square meter (0.045 pounds per hour per square foot) of solvent/air interface area as determined using the procedures in s. NR 469.09 (1).
NR 469.04 Note Note: Owners and operators who choose to comply with an idling emission limit should also refer to s. NR 469.07.
NR 469.04(3) (3) Except as provided in s. NR 469.08 for all cleaning machines, each owner or operator of an in-line cleaning machine shall comply with par. (a) or (b), as appropriate. The owner of operator of a continuous web cleaning machine shall comply with the requirements of s. NR 469.073 or 469.077, as appropriate, in lieu of complying with this section.
NR 469.04(3)(a) (a) Each owner or operator of an existing in-line cleaning machine shall comply with the requirements specified in either subd. 1. or 2.
NR 469.04(3)(a)1. 1. Employ one of the control combinations listed in Table 3 or other equivalent methods of control determined using the procedures in sub. (4).
Table 3. Control Combinations for Existing In-line Solvent Cleaning Machines - See PDF for table PDF
NR 469.04 Note Note: Unlike most of the control techniques available for complying with this rule, carbon adsorbers are not considered to be a pollution prevention measure. Use of such units may impose additional cost and burden for a number of reasons. First, carbon adsorption units are generally more expensive than other controls listed in the options. Second, these units may present cross-media impacts such as effluent discharges if not properly operated and maintained, and spent carbon beds have to be disposed of as hazardous waste. When making decisions about what controls to install on halogenated solvent cleaning machines to meet the requirements of this rule, all of these factors should be weighed and pollution prevention measures are encouraged wherever possible.
NR 469.04(3)(a)2. 2. Demonstrate that the solvent cleaning machine can achieve and maintain an idling emission limit of 0.10 kilograms per hour per square meter (0.021 pounds per hour per square foot) of solvent/air interface area as determined using the procedures in s. NR 469.09 (1).
NR 469.04 Note Note: Owners and operators who choose to comply with an idling emission limit should also refer to s. NR 469.07.
NR 469.04(3)(b) (b) Each owner or operator of a new in-line cleaning machine shall comply with the requirements specified in either subd. 1. or 2.
NR 469.04(3)(b)1. 1. Employ one of the control combinations listed in Table 4 or other equivalent methods of control determined using the procedures in sub. (4).
Table 4. Control Combinations for New In-line
Solvent Cleaning Machines - See PDF for table PDF
NR 469.04 Note Note: Unlike most of the control techniques available for complying with this rule, carbon adsorbers are not considered to be a pollution prevention measure. Use of such units may impose additional cost and burden for a number of reasons. First, carbon adsorption units are generally more expensive than other controls listed in the options. Second, these units may present cross-media impacts such as effluent discharges if not properly operated and maintained, and spent carbon beds have to be disposed of as hazardous waste. When making decisions about what controls to install on halogenated solvent cleaning machines to meet the requirements of this rule, all of these factors should be weighed and pollution prevention measures are encouraged wherever possible.
NR 469.04(3)(b)2. 2. Demonstrate that the solvent cleaning machine can achieve and maintain an idling emission limit of 0.10 kilograms per hour per square meter (0.021 pounds per hour per square foot) of solvent/air interface area as determined using the procedures in s. NR 469.09 (1).
NR 469.04 Note Note: Owners and operators who choose to comply with an idling emission limit should also refer to s. NR 469.07.
NR 469.04(4) (4) Upon written application, the administrator may approve the use of equipment or procedures after they have been satisfactorily demonstrated to be equivalent, in terms of reducing emissions of methylene chloride, perchloroethylene, trichloroethylene, 1,1,1-trichloroethane, carbon tetrachloride or chloroform to the atmosphere, to those prescribed for compliance within a specified paragraph of this chapter. The application shall contain a complete description of the equipment or procedure and the proposed equivalency testing procedure and the date, time and location scheduled for the equivalency demonstration.
NR 469.04 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97; CR 07-105: am. (1) (intro.), (d), (2) (a) 1., (b) 1., (3) (intro.), (a) 1. and (b) 1., cr. (4) Register December 2008 No. 636, eff. 1-1-09.
NR 469.05 NR 469.05Work and operational practice standards for batch vapor and in-line cleaning machines. Except as provided in s. NR 469.08 for all cleaning machines, each owner or operator of an existing or new batch vapor or in-line solvent cleaning machine shall meet all of the following required work and operational practices, as applicable. The owner or operator of a continuous web cleaning machine shall comply with the requirements of s. NR 469.073 or 469.077, as appropriate, in lieu of complying with this section.
NR 469.05(1) (1) Control air disturbances across the cleaning machine openings by incorporating the control equipment or techniques in par. (a) or (b).
NR 469.05(1)(a) (a) 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 to not be in place.
NR 469.05(1)(b) (b) A reduced room draft as described in s. NR 469.06 (2) (b) shall be used.
NR 469.05(2) (2) The parts baskets or the parts being cleaned in an open-top batch vapor cleaning machine may not occupy more than 50% of the solvent/air interface area unless the parts baskets or parts are introduced at a speed of 0.9 meters per minute (3 feet per minute) or less.
NR 469.05(3) (3) Any spraying operations shall be done within the vapor zone or within a section of the solvent cleaning machine that is not directly exposed to the ambient air, such as a baffled or enclosed area.
NR 469.05(4) (4) Parts shall be oriented so that the solvent drains from them freely. Parts having cavities or blind holes shall be tipped or rotated before being removed from any solvent cleaning machine unless an equally effective approach has been approved by the department.
NR 469.05(5) (5) Parts baskets or parts may not be removed from any solvent cleaning machine until dripping has stopped.
NR 469.05(6) (6) During startup of each vapor cleaning machine, the primary condenser shall be turned on before the sump heater.
NR 469.05(7) (7) 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 469.05(8) (8) When solvent is added or drained from any solvent cleaning machine, the solvent shall be transferred using threaded or other leakproof couplings and the end of the pipe in the solvent sump shall be located beneath the liquid solvent surface.
NR 469.05(9) (9) 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 469.05(10) (10) Each operator of a solvent cleaning machine shall complete and pass the applicable sections of the test of solvent cleaning procedures in Table 5 if requested during an inspection by the department.
NR 469.05(11) (11) Waste solvent, still bottoms and sump bottoms shall be collected and stored in closed containers. The closed containers may contain a device that allows pressure relief, but that device may not allow liquid solvent to drain from the container.
NR 469.05(12) (12) Sponges, fabric, wood and paper products may not be cleaned.
NR 469.05(13) (13) If the solvent cleaning machine is not exempt under s. NR 423.03 (2) (a), (b), (d), (e) or (h), but is exempt under s. NR 423.03 (2) (i), it may not be operated so as to allow water to be visually detectable in solvent exiting the water separator.
NR 469.05(14) (14) If the solvent cleaning machine is not exempt under s. NR 423.03 (2) (a), (b), (d), (e), (f) or (h), but is exempt under s. NR 423.03 (2) (i), a permanent conspicuous label, summarizing the work and operational practices specified in subs. (1) to (9) and (11) to (13), shall be provided.
Table 5. Test of Solvent Cleaning Procedures - See PDF for table PDF - See PDF for table PDF
Control Device Specific Questions - See PDF for table PDF
NR 469.05 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97; CR 07-105: am. (intro.) and (10) Register December 2008 No. 636, eff. 1-1-09.
NR 469.06 NR 469.06Operational requirements associated with control devices for batch vapor and in-line cleaning machines. Each owner or operator of a solvent cleaning machine complying with s. NR 469.04 (2) or (3) or s. NR 469.073 or 469.077 shall comply with the requirements specified in this section.
NR 469.06(1) (1) Conduct monitoring of each control device used to comply with s. NR 469.04 as provided in s. NR 469.10.
NR 469.06(2) (2) Determine during each monitoring period whether each control device used to comply with these standards meets the requirements specified in pars. (a) to (k).
NR 469.06(2)(a) (a) If a freeboard refrigeration device is used to comply with these standards, the owner or operator shall ensure that the chilled air blanket temperature, in °F, measured at the center of the air blanket, is no greater than 30% of the solvent's boiling point.
NR 469.06(2)(b) (b) If a reduced room draft is used to comply with these standards, the owner or operator shall comply with the following requirements:
NR 469.06(2)(b)1. 1. Ensure that the flow or movement of air across the top of the freeboard area of the solvent cleaning machine or within the solvent cleaning machine enclosure does not exceed 15.2 meters per minute (50 feet per minute) at any time as measured using the procedures in s. NR 469.10 (4).
NR 469.06(2)(b)2. 2. Establish and maintain the operating conditions under which the wind speed was demonstrated to be 15.2 meters per minute (50 feet per minute) or less as described in s. NR 469.10 (4).
NR 469.06(2)(c) (c) If a working-mode cover is used to comply with these standards, the owner or operator shall comply with the following requirements:
NR 469.06(2)(c)1. 1. Ensure that the cover opens only for part entrance and removal and completely covers the cleaning machine openings when closed.
NR 469.06(2)(c)2. 2. Ensure that the working-mode cover is maintained free of cracks, holes and other defects.
NR 469.06(2)(d) (d) If an idling-mode cover is used to comply with these standards, the owner or operator shall comply with the following requirements:
NR 469.06(2)(d)1. 1. Ensure that the cover is in place whenever parts are not in the solvent cleaning machine and completely covers the cleaning machine openings when in place.
NR 469.06(2)(d)2. 2. Ensure that the idling-mode cover is maintained free of cracks, holes and other defects.
NR 469.06(2)(e) (e) If dwell is used to comply with these standards, the owner or operator shall comply with the following requirements:
NR 469.06(2)(e)1. 1. Determine the appropriate dwell time for each type of part or parts basket, or determine the maximum dwell time using the most complex part type or parts basket, as described in s. NR 469.09 (4).
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Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.