Note: The calculation applies the emission capture system efficiency and add-on control device efficiency to the mass of organic HAP contained in the coatings, thinners and other additives, and cleaning materials that are used in the coating operation served by the emission capture system and add-on control device during each month. Equation 1 treats the materials used during a deviation as if they were used on an uncontrolled coating operation for the time period of the deviation.
where:
HC is the mass of organic HAP emission reduction for the controlled coating operation during the month, kg (lb)
AC is the total mass of organic HAP in the coatings used in the controlled coating operation during the month, kg (lb), as calculated in Equation 1A of this subsection
BC is the total mass of organic HAP in the thinners and other additives used in the controlled coating operation during the month, kg (lb), as calculated in Equation 1B of this subsection
CC is the total mass of organic HAP in the cleaning materials used in the controlled coating operation during the month, kg (lb), as calculated in Equation 1C of this subsection
Rw is the total mass of organic HAP in waste materials sent or designated for shipment to a hazardous waste TSDF for treatment or disposal during the compliance period, kg (lb), determined according to s. NR 465.37(2) (e) 2. You may assign a value of zero to Rw if you do not wish to use this allowance.
HUNC is the total mass of organic HAP in the coatings, thinners and other additives, and cleaning materials used during all deviations specified in sub. (4) (c) and (d) that occurred during the month in the controlled coating operation, kg (lb), as calculated in Equation 1D of this subsection
CE is the capture efficiency of the emission capture system vented to the add-on control device, percent. Use the test methods and procedures specified in subs. (5) and (6) to measure and record capture efficiency.
DRE is the organic HAP destruction or removal efficiency of the add-on control device, percent. Use the test methods and procedures in subs. (5) and (7) to measure and record the organic HAP destruction or removal efficiency.
where:
AC is the total mass of organic HAP in the coatings used in the controlled coating operation during the month, kg (lb)
Volc,i is the total volume of coating, i, used during the month, 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 per kg (lb per lb). 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
where:
BC is the total mass of organic HAP in the thinners or other additives used in the controlled coating operation during the month, kg (lb)
Volt,j is the total volume of thinner or other additive, j, used during the month, 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 per kg (lb per lb). 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
where:
CC is the total mass of organic HAP in the cleaning materials used in the controlled coating operation during the month, kg (lb)
Vols,k is the total volume of cleaning material, k, used during the month, 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 per kg (lb per lb)
p is the number of different cleaning materials used
where:
HUNC is the total mass of organic HAP in the coatings, thinners and other additives, and cleaning materials used during all deviations specified in sub. (4)(c) and (d) that occurred during the month in the controlled coating operation, kg (lb)
Volh is the total volume of coating, thinner or other additives, or cleaning material, h, used in the controlled coating operation during deviations, liters (gallons)
Dh is the density of coating, thinner or other additives, or cleaning material, h, kg per liter (lb per gallon)
Wh is the mass fraction of organic HAP in coating, thinner or other additives, or cleaning material, h, 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).
q is the number of different coatings, thinners and other additives, and cleaning materials used
where:
RV is the volatile organic matter collection and recovery efficiency of the solvent recovery system during the month, percent
MVR is the mass of volatile organic matter recovered by the solvent recovery system during the month, kg (lb)
Voli is the volume of coating, i, used in the coating operation controlled by the solvent recovery system during the month, liters (gallons)
Di is the density of coating, i, kg per liter (lb per gallon)
WVc,i is the mass fraction of volatile organic matter for coating i, kg (lb) of volatile organic matter 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).
Volj is the volume of thinner or other additive, j, used in the coating operation controlled by the solvent recovery system during the month, liters (gallons)
Dj is the density of thinner or other additive, j, kg per liter (lb per gallon)
WVt,j is the mass fraction of volatile organic matter for thinner or other additive, j, kg (lb) of volatile organic matter 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).
Volk is the volume of cleaning material, k, used in the coating operation controlled by the solvent recovery system during the month, liters (gallons)
Dk is the density of cleaning material, k, kg per liter (lb per gallon)
WVs,k is the mass fraction of volatile organic matter for cleaning material, k, kg (lb) of volatile organic matter per kg (lb) of cleaning material
m is the number of different coatings used in the coating operation controlled by the solvent recovery system during the month
n is the number of different thinners and other additives used in the coating operation controlled by the solvent recovery system during the month
p is the number of different cleaning materials used in the coating operation controlled by the solvent recovery system during the month
where:
HCSR is the mass of organic HAP emission reduction for the coating operation controlled by the solvent recovery system using a liquid-liquid material balance during the month, kg (lb)
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.
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
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
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
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
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.
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.
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
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)
where:
CE is the capture efficiency of the emission capture system vented to the add-on control device, percent
TVHcaptured is the total mass of TVH captured by the emission capture systems measured at the inlet to the add-on control device during the emission 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)
Note: For example, if one add-on control device is a concentrator with an outlet to the atmosphere for the high-volume dilute stream that has been treated by the concentrator, and a second add-on control device is an oxidizer with an outlet to the atmosphere for the low-volume concentrated stream that is treated with the oxidizer, you shall measure emissions at the outlet of the oxidizer and the high volume dilute stream outlet of the concentrator.
Mf = QsdCc(12)(0.0416)(10-1)
(Equation 1)
where:
Mf is the total gaseous organic emissions mass flow rate, kg per hour (h)
Cc is the concentration of organic compounds as carbon in the vent gas, as determined by Method 25 or Method 25A in 40 CFR part 60, Appendix A, incorporated by reference in s. NR 484.04(13), parts per million by volume (ppmv), dry basis
Qsd is the volumetric flow rate of gases entering or exiting the add-on control device, as determined by Method 2, 2A, 2C, 2D, 2F or 2G in 40 CFR part 60, Appendix A, incorporated by reference in s. NR 484.04(13), dry standard cubic meters/hour (dscm/h)
0.0416 is the conversion factor for molar volume, kg-moles per cubic meter (mol/m3) (at 293 Kelvin (K) and 760 millimeters of mercury (mmHg))
where:
DRE is the organic emissions destruction or removal efficiency of the add-on control device, percent
Mfi is the total gaseous organic emissions mass flow rate at the inlet to the add-on control device, using Equation 1 of this subsection, kg/h
Mfo is the total gaseous organic emissions mass flow rate at the outlet of the add-on control device, using Equation 1 of this subsection, kg/h
Table 1
Operating Limits if Using the Emission Rate With Add-On Controls Option in s. NR 465.33(2) (c)
If you are required to comply with operating limits by s. NR 465.33(3) (b), you shall comply with the applicable operating limits in the following table. -
For the following device: | You shall meet the following operating limit: | And you shall demonstrate continuous compliance with the operating limit by: |
(1) Thermal oxidizer | (a) The average combustion temperature in any 3-hour period may not fall below the combustion temperature limit established according to s. NR 465.38(8) (a). | 1. Collecting the combustion temperature data according to s. NR 465.38(9) (c); 2. Reducing the data to 3-hour block averages; and 3. Maintaining the 3-hour average combustion temperature at or above the temperature limit. |
(2) Catalytic oxidizer | (a) The average temperature measured just before the catalyst bed in any 3-hour period may not fall below the limit established according to s. NR 465.38(8) (b); and either par. (b) or (c). | 1. Collecting the temperature data according to s. NR 465.38(9) (c); 2. Reducing the data to 3-hour block averages; and 3. Maintaining the 3-hour average temperature before the catalyst bed at or above the temperature limit. |
(b) Ensure that the average temperature difference across the catalyst bed in any 3-hour period does not fall below the temperature difference limit established according to s. NR 465.38(8) (b) 2. | 1. Collecting the temperature data according to s. NR 465.38(9) (c); 2. Reducing the data to 3-hour block averages; and 3. Maintaining the 3-hour average temperature difference at or above the temperature difference limit. | |
(c) Develop and implement an inspection and maintenance plan according to s. NR 465.38(8) (b) 4. | 1. Maintaining an up-to-date inspection and maintenance plan, records of annual catalyst activity checks, records of monthly inspections of the oxidizer system, and records of the annual internal inspections of the catalyst bed. If a problem is discovered during a monthly or annual inspection required by s. NR 465.38(8) (b) 4., you shall take corrective action as soon as practicable consistent with the manufacturer's recommendations. | |
(3) Regenerative carbon adsorber | (a) The total regeneration desorbing gas mass flow for each carbon bed regeneration cycle may not fall below the total regeneration desorbing gas mass flow limit established according to s. NR 465.38(8) (c). | 1. Measuring the total regeneration desorbing gas mass flow for each regeneration cycle according to s. NR 465.38(9) (d); and 2. Maintaining the total regeneration desorbing gas mass flow at or above the mass flow limit. |
(b) The temperature of the carbon bed, after completing each regeneration and any cooling cycle, may not exceed the carbon bed temperature limit established according to s. NR 465.38(8) (c). | 1.Measuring the temperature of the carbon bed after completing each regeneration and any cooling cycle according to s. NR 465.38(9) (d); and 2. Operating the carbon beds so that each carbon bed is not returned to service after completing each regeneration and any cooling cycle until the recorded temperature of the carbon bed is at or below the temperature limit. | |
(4) Condenser | (a) The average condenser outlet gas temperature in any 3-hour period may not exceed the temperature limit established according to s. NR 465.38(8) (d). | 1. Collecting the condenser outlet gas temperature according to s. NR 465.38(9) (e); 2. Reducing the data to 3- hour block averages; and 3. Maintaining the 3-hour average gas temperature at the outlet at or below the temperature limit. |
(5) Concentrators, including zeolite wheels and rotary carbon adsorbers | (a) The average gas temperature of the desorption concentrate stream in any 3- hour period may not fall below the limit established according to s. NR 465.38(8) (e). | 1. Collecting the temperature data according to s. NR 465.38(9) (f); 2. Reducing the data to 3-hour block averages; and 3. Maintaining the 3-hour average temperature at or above the temperature limit. |
(b) The average pressure drop of the dilute stream across the concentrator in any 3- hour period may not fall below the limit established according to s. NR 465.38(8) (e). | 1. Collecting the pressure drop data according to s. NR 465.38(9) (f); 2. Reducing the pressure drop data to 3-hour block averages; and 3. Maintaining the 3-hour average pressure drop at or above the pressure drop limit. | |
(6) Emission capture system that is a PTE according to s. NR 465.38(6) (a) | (a) The direction of the air flow at all times shall be into the enclosure; and either (b) or (c) shall be satisfied. | 1. Collecting the direction of air flow, and either the facial velocity of air through all natural draft openings according to s. NR 465.38(9) (g) 1. or the pressure drop across the enclosure according to s. NR 465.38(9) (g) 2.; and 2. Maintaining the facial velocity of air flow through all natural draft openings or the pressure drop at or above the facial velocity limit or pressure drop limit, and maintaining the direction of air flow into the enclosure at all times. |
(b) The average facial velocity of air through all natural draft openings in the enclosure shall be at least 200 feet per minute. | 1. See items (6) (a)1. and 2. | |
(c) The pressure drop across the enclosure shall be at least 0.007 inch H2O, as established in Method 204 in 40 CFR part 51, Appendix M, incorporated by reference in s. NR 484.04(9). | 1. See items (6) (a)1. and 2. | |
(7) Emission capture system that is not a PTE according to s. NR 465.38(6) (a) | (a) The average gas volumetric flow rate or duct static pressure in each duct between a capture device and add-on control device inlet in any 3-hour period may not fall below the average volumetric flow rate or duct static pressure limit established for that capture device according to s. NR 465.38(8) (f). | 1. Collecting the gas volumetric flow rate or duct static pressure for each capture device according to s. NR 465.38(9) (g); 2. Reducing the data to 3- hour block averages; and 3. Maintaining the 3-hour average gas volumetric flow rate or duct static pressure for each capture device at or above the gas volumetric flow rate or duct static pressure limit. |
Table 2
Default Organic HAP Mass Fraction for Solvents and Solvent Blends
You may use the mass fraction values in the following table for solvent blends for which you do not have test data or manufacturer's formulation data and which match either the solvent blend name or the chemical abstract series (CAS) number. If a solvent blend matches both the name and CAS number for an entry, that entry's organic HAP mass fraction shall be used for that solvent blend. Otherwise, use the organic HAP mass fraction for the entry matching either the solvent blend name or CAS number, or use the organic HAP mass fraction from Table 3 of this subchapter if neither the name or CAS number match.
Solvent or Solvent Blend | CAS No. | Average Organic HAP Mass Fraction | Typical Organic HAP, percent by mass |
(1) Toluene | 108-88-3 | 1.0 | toluene |
(2) Xylenes | 1330-20-7 | 1.0 | xylenes, ethylbenzene |
(3) Hexane | 110-54-3 | 0.5 | n-hexane |
(4) n-Hexane | 110-54-3 | 1.0 | n-hexane |
(5) Ethylbenzene | 100-41-4 | 1.0 | ethylbenzene |
(6) Aliphatic 140 | 0 | none | |
(7) Aromatic 100 | 0.02 | 1% xylene, 1% cumene | |
(8) Aromatic 150 | 0.09 | naphthalene | |
(9) Aromatic naphtha | 64742-95-6 | 0.02 | 1% xylene, 1% cumene |
(10) Aromatic solvent | 64742-94-5 | 0.1 | naphthalene |
(11) Exempt mineral spirits | 8032-32-4 | 0 | none |
(12) Ligroines (VM & P) | 8032-32-4 | 0 | none |
(13) Lactol spirits | 64742-89-6 | 0.15 | toluene |
(14) Low aromatic white spirit | 64742-82-1 | 0 | none |
(15) Mineral spirits | 64742-88-7 | 0.01 | xylenes |
(16) Hydrotreated naphta | 64742-48-9 | 0 | none |
(17) Hydrotreated light distillate | 64742-82-1 | 0 | none |
(18) Stoddard solvent | 8052-41-3 | 0.01 | xylenes |
(19) Super high-flash naphta | 64742-95-6 | 0.05 | xylenes |
(20) Varsol[] solvent | 8052-49-3 | 0.01 | 0.5% xylenes, 0.5% ethylbenzene |
(21) VM & P naphtha | 64742-89-8 | 0.06 | 3% toluene, 3% xylene |
(22) Petroleum distillate mixture | 68477-31-6 | 0.08 | 4% naphthalene, 4% biphenyl |
Table 3
Default Organic HAP Mass Fraction for Petroleum Solvent Groupsa
You may use the mass fraction values in the following table for solvent blends for which you do not have test data or manufacturer's formulation data.
Solvent Type | Average Organic HAP Mass Fraction | Typical Organic HAP, percent by mass |
Aliphatic b | 0.03 | 1% Xylene, 1% Toluene and 1% Ethylbenzene. |
Aromatic c | 0.06 | 4% Xylene, 1% Toluene and 1% Ethylbenzene. |
a Use this table only if the solvent blend does not match any of the solvent blends in Table 2 by either solvent blend name or CAS number and you only know whether the blend is aliphatic or aromatic.
b Mineral Spirits 135, Mineral Spirits 150 EC, Naphtha, Mixed Hydrocarbon, Aliphatic Hydrocarbon, Aliphatic Naphtha, Naphthol Spirits, Petroleum Spirits, Petroleum Oil, Petroleum Naphtha, Solvent Naphtha, Solvent Blend.
c Medium-flash Naphtha, High-flash Naphtha, Aromatic Naphtha, Light Aromatic Naphtha, Light Aromatic Hydrocarbons, Aromatic Hydrocarbons, Light Aromatic Solvent.
Wis. Admin. Code Department of Natural Resources NR 465.38