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ACSR is the total mass of organic HAP in the coatings used in the coating operation controlled by the solvent recovery system, kg (lb), calculated using Equation 3A of this subsection
BCSR is the total mass of organic HAP in the thinners and other additives used in the coating operation controlled by the solvent recovery system, kg (lb), calculated using Equation 3B of this subsection
CCSR is the total mass of organic HAP in the cleaning materials used in the coating operation controlled by the solvent recovery system, kg (lb), calculated using Equation 3C of this subsection
RV is the volatile organic matter collection and recovery efficiency of the solvent recovery system, percent, from Equation 2 of subd. 6.
- See PDF for diagram PDF(Equation 3A)
where:
ACSR is the total mass of organic HAP in the coatings used in the coating operation controlled by the solvent recovery system during the month, kg (lb)
Volc,i is the total volume of coating, i, used during the month in the coating operation controlled by the solvent recovery system, liters (gallons)
Dc,i is the density of coating, i, kg per liter (lb per gallon)
Wc,i is the mass fraction of organic HAP in coating, i, kg (lb) of organic HAP per kg (lb) of coating. For reactive adhesives, use the mass fraction of organic HAP that is emitted as determined using the method in 40 CFR part 63, Subpart PPPP, Appendix A, incorporated by reference in s. NR 484.04 (24r).
m is the number of different coatings used
(Equation 3B)
where:
BCSR is the total mass of organic HAP in the thinners and other additives used in the coating operation controlled by the solvent recovery system during the month, kg (lb)
Volt,j is the total volume of thinner or other additive, j, used during the month in the coating operation controlled by the solvent recovery system, liters (gallons)
Dt,j is the density of thinner or other additive, j, kg per liter (lb per gallon)
Wt,j is the mass fraction of organic HAP in thinner or other additive, j, kg (lb) of organic HAP per kg (lb) of thinner or other additive. For reactive adhesives, use the mass fraction of organic HAP that is emitted as determined using the method in 40 CFR part 63, Subpart PPPP, Appendix A, incorporated by reference in s. NR 484.04 (24r).
n is the number of different thinners and other additives used
- See PDF for diagram PDF (Equation 3C)
where:
CCSR is the total mass of organic HAP in the cleaning materials used in the coating operation controlled by the solvent recovery system during the month, kg (lb)
Vols,k is the total volume of cleaning material, k, used during the month in the coating operation controlled by the solvent recovery system, liters (gallons)
Ds,k is the density of cleaning material, k, kg per liter (lb per gallon)
Ws,k is the mass fraction of organic HAP in cleaning material, k, kg (lb) of organic HAP per kg (lb) of cleaning material
p is the number of different cleaning materials used
NR 465.38(2)(k) (k) Calculate the total mass of coating solids used. Determine the total mass of coating solids used which is the combined mass of coating solids for all the coatings used during each month in the coating operation or group of coating operations for which you use the emission rate with add-on controls option, using Equation 2 of s. NR 465.37 (2).
NR 465.38(2)(L) (L) Calculate the mass of organic HAP emissions for each month. Determine the mass of organic HAP emissions during each month, using the following equation:
- See PDF for diagram PDF(Equation 4)
where:
HHAP is the total mass of organic HAP emissions for the month, kg (lb)
He is the total mass of organic HAP emissions before add-on controls from all the coatings, thinners and other additives, and cleaning materials used during the month, kg (lb), determined according to par. (f)
Hc,i is the total mass of organic HAP emission reduction for controlled coating operation, i, not using a liquid-liquid material balance, during the month, kg (lb), from Equation 1 of this subsection
HCSR,j is the total mass of organic HAP emission reduction for coating operation j, controlled by a solvent recovery system using a liquid-liquid material balance, during the month, kg (lb), from Equation 3 of this subsection
q is the number of controlled coating operations not controlled by a solvent recovery system using a liquid-liquid material balance
r is the number of coating operations controlled by a solvent recovery system using a liquid-liquid material balance
NR 465.38(2)(m) (m) Calculate the organic HAP emission rate for the compliance period. Determine the organic HAP emission rate for the compliance period using the following equation:
(Equation 5)
where:
Hannual is the organic HAP emission rate for the compliance period, kg (lb) of organic HAP emitted per kg (lb) of coating solids used
HHAP,y is the organic HAP emissions for month, y, kg (lb), determined according to Equation 4 of this subsection
Mst,y is the total mass of coating solids used during month, y, kg (lb), from Equation 2 of s. NR 465.37 (2)
y is the number of the month in the compliance period
n is the number of full or partial months in the compliance period. For the initial compliance period, n equals 12 if the compliance date falls on the first day of a month; otherwise n equals 13. For all following compliance periods, n equals 12.
NR 465.38(2)(n) (n) Compliance demonstration. The organic HAP emission rate for the initial compliance period, calculated using Equation 5 of this subsection, shall be less than or equal to the applicable emission limit for each sub-category in s. NR 465.33 (1) or the predominant activity or facility-specific emission limit allowed in s. NR 465.33 (1) (c). You shall keep all records as required by s. NR 465.35 (3) and (4). As part of the notification of compliance status required by s. NR 465.35 (1), you shall identify the coating operations for which you used the emission rate with add-on controls option and submit a statement that the coating operations were in compliance with the emission limits in s. NR 465.33 (1) during the initial compliance period because the organic HAP emission rate was less than or equal to the applicable emission limit in s. NR 465.33 (1), and you achieved the operating limits required by s. NR 465.33 (3) and the work practice standards required by s. NR 465.33 (4).
NR 465.38(4) (4)How do i demonstrate continuous compliance with the emission limits?
NR 465.38(4)(a)(a) To demonstrate continuous compliance with the applicable emission limit in s. NR 465.33 (1), the organic HAP emission rate for each compliance period, determined according to the procedures in sub. (2), shall be equal to or less than the applicable emission limit in s. NR 465.33 (1). A compliance period consists of 12 months. Each month after the end of the initial compliance period described in sub. (1) is the end of a compliance period consisting of that month and the preceding 11 months. You shall perform the calculations in sub. (2) on a monthly basis using data from the previous 12 months of operation. If you are complying with a facility-specific emission limit under s. NR 465.33 (1) (c) 2., you shall also perform the calculation using Equation 1 in s. NR 465.33 (1) (c) 2. on a monthly basis using the data from the previous 12 months of operation.
NR 465.38(4)(b) (b) If the organic HAP emission rate for any 12-month compliance period exceeded the applicable emission limit in s. NR 465.33 (1), this is a deviation from the emission limit for that compliance period that shall be reported as specified in s. NR 465.35 (1) (c) 6. and (2) (a) 7.
NR 465.38(4)(c) (c) You shall demonstrate continuous compliance with each operating limit required by s. NR 465.33 (3) that applies to you, as specified in Table 1 of this subchapter, when the coating line is in operation. If an operating parameter is out of the allowed range specified in Table 1, you shall do both of the following:
NR 465.38(4)(c)1. 1. Report as a deviation from the operating limit as specified in s. NR 465.35 (1) (c) 6. and (2) (a) 7.
NR 465.38(4)(c)2. 2. Assume that the emission capture system and add-on control device were achieving zero efficiency during the time period of the deviation, unless you have other data indicating the actual efficiency of the emission capture system and add-on control device and the use of these data is approved by the department.
NR 465.38(4)(d) (d) You shall meet the requirements for bypass lines in sub. (9) (b) for controlled coating operations for which you do not conduct liquid-liquid material balances. If any bypass line is opened and emissions are diverted to the atmosphere when the coating operation is running, this is a deviation that shall be reported as specified in s. NR 465.35 (1) (c) 6. and (2) (a) 7. For the purposes of completing the compliance calculations specified in sub. (2) (h), you shall treat the materials used during a deviation on a controlled coating operation as if they were used on an uncontrolled coating operation for the time period of the deviation as indicated in Equation 1 of sub. (2).
NR 465.38(4)(e) (e) You shall demonstrate continuous compliance with the work practice standards in s. NR 465.33 (4). If you did not develop a work practice plan, or you did not implement the plan, or you did not keep the records required by s. NR 465.35 (3) (i) 8., this is a deviation from the work practice standards that shall be reported as specified in s. NR 465.35 (1) (c) 6. and (2) (a) 7.
NR 465.38(4)(f) (f) As part of each semiannual compliance report required in s. NR 465.35 (2), you shall identify the coating operations for which you used the emission rate with add-on controls option. If there were no deviations from the emission limits specified in s. NR 465.33 (1), you shall submit a statement that you were in compliance with the emission limits during the reporting period because the organic HAP emission rate for each compliance period was less than or equal to the applicable emission limit in s. NR 465.33 (1), and you achieved the operating limits required by s. NR 465.33 (3) and the work practice standards required by s. NR 465.33 (4) during each compliance period.
NR 465.38(4)(g) (g) During periods of startup, shutdown or malfunction of the emission capture system, add-on control device or coating operation that may affect emission capture or control device efficiency, you shall operate in accordance with the startup, shutdown and malfunction plan required by s. NR 465.34 (1) (c).
NR 465.38(4)(j) (j) You shall maintain records as specified in s. NR 465.35 (3) and (4).
NR 465.38(5) (5)What are the general requirements for performance tests?
NR 465.38(5)(a)(a) You shall conduct each performance test required by sub. (1) according to the requirements in s. NR 460.06 (4) (a) and under the conditions in this paragraph, unless you obtain a waiver of the performance test according to the provisions in s. NR 460.06 (7).
NR 465.38(5)(a)1. 1. `Representative coating operation operating conditions.' You shall conduct the performance test under representative operating conditions for the coating operation. Operations during periods of startup, shutdown or malfunction and during periods of non-operation do not constitute representative conditions. You shall record the process information that is necessary to document operating conditions during the test and explain why the conditions represent normal operation.
NR 465.38(5)(a)2. 2. `Representative emission capture system and add-on control device operating conditions.' You shall conduct the performance test when the emission capture system and add-on control device are operating at a representative flow rate, and the add-on control device is operating at a representative inlet concentration. You shall record information that is necessary to document emission capture system and add-on control device operating conditions during the test and explain why the conditions represent normal operation.
NR 465.38(5)(b) (b) You shall conduct each performance test of an emission capture system according to the requirements in sub. (6). You shall conduct each performance test of an add-on control device according to the requirements in sub. (7).
NR 465.38(6) (6)How do i determine the emission capture system efficiency? You shall use the procedures and test methods in this subsection to determine capture efficiency as part of the performance test required by sub. (1).
NR 465.38(6)(a) (a) Assuming 100% capture efficiency. You may assume the capture system efficiency is 100% if both of the conditions in subds. 1. and 2. are met.
NR 465.38(6)(a)1. 1. The capture system meets the criteria in Method 204 in 40 CFR part 51, Appendix M, incorporated by reference in s. NR 484.04 (9), for a PTE and directs all the exhaust gases from the enclosure to an add-on control device.
NR 465.38(6)(a)2. 2. All coatings, thinners and other additives and cleaning materials used in the coating operation are applied within the capture system; coating solvent flash-off, curing and drying occurs within the capture system; and the removal or evaporation of cleaning materials from the surfaces they are applied to occurs within the capture system.
NR 465.38 Note Note: For example, this criterion is not met if parts enter the open shop environment when being moved between a spray booth and a curing oven.
NR 465.38(6)(b) (b) Measuring capture efficiency. If the capture system does not meet both of the conditions in par. (a), then you shall use one of the 3 protocols described in pars. (c), (d) and (e) to measure capture efficiency. The capture efficiency measurements use TVH capture efficiency as a surrogate for organic HAP capture efficiency. For the protocols in pars. (c) and (d), the capture efficiency measurement shall consist of 3 test runs. Each test run shall be at least 3 hours duration or the length of a production run, whichever is longer, up to 8 hours. For the purposes of this test, a production run means the time required for a single part to go from the beginning to the end of the production, which includes surface preparation activities and drying and curing time.
NR 465.38(6)(c) (c) Liquid-to-uncaptured-gas protocol using a temporary total enclosure or building enclosure. The liquid-to-uncaptured-gas protocol compares the mass of liquid TVH in materials used in the coating operation to the mass of TVH emissions not captured by the emission capture system. You shall use a temporary total enclosure or a building enclosure and the procedures in subds. 1. to 6. to measure emission capture system efficiency when using the liquid-to-uncaptured-gas protocol.
NR 465.38(6)(c)1. 1. Either use a building enclosure or construct an enclosure around the coating operation where coatings, thinners and other additives, and cleaning materials are applied, and all areas where emissions from these applied coatings and materials subsequently occur, such as flash-off, curing and drying areas. The areas of the coating operation where capture devices collect emissions for routing to an add-on control device, such as the entrance and exit areas of an oven or spray booth, shall also be inside the enclosure. The enclosure shall meet the applicable definition of a temporary total enclosure or building enclosure in Method 204 in 40 CFR part 51, Appendix M, incorporated by reference in s. NR 484.04 (9).
NR 465.38(6)(c)2. 2. Use Method 204A or 204F in 40 CFR part 51, Appendix M, incorporated by reference in s. NR 484.04 (9), to determine the mass fraction of TVH liquid input from each coating, thinner and other additive and cleaning material used in the coating operation during each capture efficiency test run. To make the determination, substitute TVH for each occurrence of the term volatile organic compounds (VOC) in the methods.
NR 465.38(6)(c)3. 3. Use Equation 1 in this subsection to calculate the total mass of TVH liquid input from all the coatings, thinners and other additives and cleaning materials used in the coating operation during each capture efficiency test run:
- See PDF for diagram PDF (Equation 1)
where:
TVHused is the mass of liquid TVH in materials used in the coating operation during the capture efficiency test run, kg (lb)
TVHi is the mass fraction of TVH in coating, thinner or other additive or cleaning material, i, that is used in the coating operation during the capture efficiency test run, kg (lb) of TVH per kg (lb) of material
Voli is the total volume of coating, thinner or other additive or cleaning material, i, used in the coating operation during the capture efficiency test run, liters (gallons)
Di is the density of coating, thinner or other additive or cleaning material, i, kg (lb) of material per liter (gallon) of material
n is the number of different coatings, thinners and other additives, and cleaning materials used in the coating operation during the capture efficiency test run
NR 465.38(6)(c)4. 4. Use Method 204D or 204E in 40 CFR part 51, Appendix M, incorporated by reference in s. NR 484.04 (9), to measure the total mass of TVH emissions that are not captured by the emission capture system. They are measured as they exit the temporary total enclosure or building enclosure during each capture efficiency test run. To make the measurement, substitute TVH for each occurrence of the term VOC in the methods.
NR 465.38(6)(c)4.a. a. Use Method 204D in 40 CFR part 51, Appendix M, incorporated by reference in s. NR 484.04 (9), if the enclosure is a temporary total enclosure.
NR 465.38(6)(c)4.b. b. Use Method 204E in 40 CFR part 51, Appendix M, incorporated by reference in s. NR 484.04 (9), if the enclosure is a building enclosure. During the capture efficiency measurement, all organic compound emitting operations inside the building enclosure, other than the coating operation for which capture efficiency is being determined, shall be shut down, but all fans and blowers shall be operating normally.
NR 465.38(6)(c)5. 5. For each capture efficiency test run, determine the percent capture efficiency of the emission capture system using the following equation:
- See PDF for diagram PDF(Equation 2)
where:
CE is the capture efficiency of the emission capture system vented to the add-on control device, percent
TVHused is the total mass of TVH liquid input used in the coating operation during the capture efficiency test run, kg (lb)
TVHuncaptured is the total mass of TVH that is not captured by the emission capture system and that exits from the temporary total enclosure or building enclosure during the capture efficiency test run, kg (lb)
NR 465.38(6)(c)6. 6. Determine the capture efficiency of the emission capture system as the average of the capture efficiencies measured in the 3 test runs.
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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.