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). NR 469.085(2)(a)(a) Each owner or operator of an affected facility shall maintain a log of solvent additions and deletions for each solvent cleaning machine. NR 469.085(2)(b)(b) Each owner or operator of an affected facility shall ensure that the total emissions of perchloroethylene (PCE), trichloroethylene (TCE) and methylene chloride (MC) used at the affected facility are equal to or less than the applicable facility-wide 12-month rolling total emission limit presented in Table 8 as determined using the procedures in sub. (3). Equation 9, where the facility emissions of PCE and TCE are weighted according to their carcinogenic potency relative to that of MC, shall be used for multiple solvents. where:
WE is the weighted 12-month rolling total emissions in kg (lbs)
PCE is the 12-month rolling total PCE emissions from all solvent cleaning machines at the facility in kg (lbs)
TCE is the 12-month rolling total TCE emissions from all solvent cleaning machines at the facility in kg (lbs)
MC is the 12-month rolling total MC emissions from all solvent cleaning machines at the facility in kg (lbs)
A is the carcinogenic potency of PCE relative to the carcinogenic potency of MC, and is equal to 12.5
B is the carcinogenic potency of TCE relative to the carcinogenic potency of MC, and is equal to 4.25
Table 8. Facility-wide Emission Limits for Facilities With Solvent Cleaning Machines
a PCE emission limit calculated using the unit risk estimate (URE) for PCE calculated by the California EPA Office of Environmental Health Hazard Assessment and listed in their Toxicity Criteria Database, which is accessible at http://www.oehha.ca.gov/tcdb/index.asp. NR 469.085(3)(3) Each owner or operator of an affected facility shall, on the first operating day of every month, demonstrate compliance with the applicable facility-wide emission limit on a 12-month rolling total basis using the procedures in pars. (a) to (e). For purposes of this subsection, “each solvent cleaning machine” means each solvent cleaning machine that is part of an affected facility regulated by this section. NR 469.085(3)(a)(a) Each owner or operator of an affected facility shall, on the first operating day of every month, ensure that each solvent cleaning machine system contains only clean liquid solvent. This includes fresh unused solvent, recycled solvent and used solvent that has been cleaned of soiled materials. A fill line shall be indicated during the first month the measurements are made. The solvent level within the machine shall be returned to the same fill-line each month, immediately prior to calculating monthly emissions as specified in pars. (b) and (c). The solvent cleaning machine does not have to be emptied and filled with fresh unused solvent prior to the calculations. NR 469.085(3)(b)(b) Each owner or operator of an affected facility shall, on the first operating day of the month, using the records of all solvent additions and deletions for the previous month, determine solvent emissions (Eunit) from each solvent cleaning machine using equation 10: where:
Eunit is the total halogenated HAP solvent emissions from the solvent cleaning machine during the most recent month i, (kilograms of solvent per month)
SAi is the total amount of halogenated HAP liquid solvent added to the solvent cleaning machine during the most recent month i, (kilograms of solvent per month)
LSRi is the total amount of halogenated HAP liquid solvent removed from the solvent cleaning machine during the most recent month i, (kilograms of solvent per month)
SSRi is the total amount of halogenated HAP solvent removed from the solvent cleaning machine in solid waste, obtained as described in par. (c), during the most recent month i, (kilograms of solvent per month)
NR 469.085(3)(c)(c) Each owner or operator of an affected facility shall, on the first operating day of the month, determine SSRi using the method specified in subds. 1. and 2. NR 469.085(3)(d)(d) Each owner or operator of an affected facility shall, on the first operating day of the month, after 12 months of emissions data are available, determine the 12-month rolling total emissions, ETunit, for the 12-month period ending with the most recent month using equation 11: where:
ETunit is the total halogenated HAP solvent emissions over the preceding 12 months, (kilograms of solvent emissions per 12-month period)
Eunit is the halogenated HAP solvent emissions for each month (j) for the most recent 12 months (kilograms of solvent per month)
NR 469.085(3)(e)(e) Each owner or operator of an affected facility shall, on the first operating day of the month, after 12 months of emissions data are available, determine the 12-month rolling total emissions, ETfacility, for the 12-month period ending with the most recent month using equation 12: where:
ETfacility is the total halogenated HAP solvent emissions over the preceding 12 months for all cleaning machines at the facility (kilograms of solvent emissions per 12-month period)
ETunit is the total halogenated HAP solvent emissions over the preceding 12 months for each unit, j (kilograms of solvent emissions per 12-month period)
i is the total number of units at the facility
NR 469.085(4)(4) If the applicable facility-wide emission limit presented in Table 8 is not met, an exceedance has occurred. All exceedances shall be reported as required in s. NR 469.12 (8). NR 469.085(5)(5) Each owner or operator of an affected facility shall maintain records specified in pars. (a) to (c) either in electronic or written form for a period of 5 years. For purposes of this subsection, “each solvent cleaning machine” means each solvent cleaning machine that is part of an affected facility regulated by this section. NR 469.085(5)(a)(a) The dates and amounts of solvent that are added to each solvent cleaning machine. NR 469.085(5)(b)(b) The solvent composition of wastes removed from each solvent cleaning machine as determined using the procedure described in sub. (3) (c). NR 469.085(5)(c)(c) Calculation sheets showing how monthly emissions and the 12-month rolling total emissions from each solvent cleaning machine were determined, and the results of all calculations. NR 469.085(6)(6) Each owner or operator of an affected facility shall submit an initial notification report to the department no later than May 3, 2010. This report shall include the information specified in pars. (a) to (e). NR 469.085(6)(a)(a) The name and address of the owner or operator of the affected facility. NR 469.085(6)(b)(b) The physical location of the solvent cleaning machines that are part of an affected facility regulated by this section. NR 469.085(6)(c)(c) A brief description of each solvent cleaning machine at the affected facility including machine type (batch vapor, batch cold, vapor in-line or cold in-line), solvent to air interface area and existing controls. NR 469.085(6)(e)(e) An estimate of annual halogenated HAP solvent consumption for each solvent cleaning machine. NR 469.085(7)(7) Each owner or operator of an affected facility shall submit to the department an initial statement of compliance on or before May 3, 2010. The statement shall include the information specified in pars. (a) to (c). NR 469.085(7)(a)(a) The name and address of the owner or operator of the affected facility. NR 469.085(7)(b)(b) The physical location of each solvent cleaning machine that is part of an affected facility regulated by this section. NR 469.085(7)(c)(c) The results of the first 12-month rolling total emissions calculation. NR 469.085(8)(8) Each owner or operator of an affected facility shall submit a solvent emission report every year. The solvent emission report can be combined with the annual report required in s. NR 469.12 (6) into a single report for each facility. The solvent emission report shall contain the information specified in pars. (a) and (b). NR 469.085(8)(a)(a) The average monthly solvent consumption for the affected facility in kilograms per month. NR 469.085(8)(b)(b) The 12-month rolling total solvent emission estimates calculated each month using the method as described in sub. (3). NR 469.085 HistoryHistory: CR 07-105: cr. Register December 2008 No. 636, eff. 1-1-09.
