Wisconsin Administrative Code
Department of Natural Resources
NR 400-499 - Environmental Protection - Air Pollution Control
Chapter NR 465 - National emission standards for hazardous air pollutants for general surface coating processes
Subchapter III - Surface Coating of Large Appliances
Section NR 465.27 - Compliance requirements for the emission rate without add-on controls option
Current through August 26, 2024
(1) BY WHAT DATE MUST I CONDUCT THE INITIAL COMPLIANCE DEMONSTRATION?. You shall complete the initial compliance demonstration for the initial compliance period according to the requirements of sub. (2). The initial compliance period begins on the applicable compliance date specified in s. NR 465.21(4) and ends on the last day of the first full month after the compliance date. If the compliance date occurs on any day other than the first day of a month, then the initial compliance period extends through the end of that month plus the next month. The initial compliance demonstration includes the calculations according to sub. (2) and supporting documentation showing that the organic HAP emission rate for the initial compliance period was equal to or less than the applicable emission limit in s. NR 465.23(1).
(2) HOW DO I DEMONSTRATE INITIAL COMPLIANCE WITH THE EMISSION LIMITATIONS?. You may use the emission rate without add-on controls option for any individual coating operation, for any group of coating operations in the affected source, or for all of the coating operations in the affected source. You shall use either the compliant material option or the emission rate with add-on controls option for any coating operation or operations in the affected source for which you do not use this option. To demonstrate initial compliance using the emission rate without add-on controls option, the coating operation or operations shall meet the applicable emission limit in s. NR 465.23(1) but not the operating limits or work practice standards in s. NR 465.23(3) and (4), respectively, during the initial compliance period. When calculating the organic HAP emission rate according to this subsection, you may not include any coatings, thinners or cleaning materials used on coating operations for which you use the compliant material option or the emission rate with add-on controls option. You do not need to redetermine the mass of organic HAP in coatings, thinners or cleaning materials that have been reclaimed onsite and reused in the coating operation or operations for which you use the emission rate without add-on controls option. You shall meet all of the following requirements to demonstrate initial compliance with the applicable emission limit in s. NR 465.23(1) for the coating operation or operations:
He = A + B + C - Rw
(Equation 1)
where:
He is the total mass of organic HAP emissions during the compliance period, kg
A is the total mass of organic HAP in the coatings used during the compliance period, kg, as calculated in Equation 1A
B is the total mass of organic HAP in the thinners used during the compliance period, kg, as calculated in Equation 1B
C is the total mass of organic HAP in the cleaning materials used during the compliance period, kg, as calculated in Equation 1C
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, determined according to subd. 2. You may assign a value of zero to Rw if you do not wish to use this allowance
where:
A is the total mass of organic HAP in the coatings used during the compliance period, kg
Volc,i is the total volume of coating, i, used during the compliance period, liters
Dc,i is the density of coating, i, kg coating per liter coating
Wc,i is the mass fraction of organic HAP in coating, i, kg organic HAP per kg coating
m is the number of different coatings used during the compliance period
where:
B is the total mass or organic HAP in the thinners used during the compliance period, kg
Volt,j is the total volume of thinner, j, used during the compliance period, liters
Dt,j is the density of thinner, j, kg thinner per liter thinner
Wt,j is the mass fraction of organic HAP in thinner, j, kg organic HAP per kg thinner
n is the number of different thinners used during the compliance period
where:
C is the total mass of organic HAP in the cleaning materials used during the compliance period, kg
Vols,k is the total volume of cleaning material, k, used during the compliance period, liters
Ds,k is the density of cleaning material, k, kg cleaning material per liter cleaning material
Ws,k is the mass fraction of organic HAP in cleaning material, k, kg organic HAP per kg material
p is the number of different cleaning materials used during the compliance period
where:
Vst is the total volume of coating solids used during the compliance period, liters
Volc,i is the total volume of coating, i, used during the compliance period, liters
Vs,i is the volume fraction of coating solids for coating, i, liters solids per liter coating, determined according to s. NR 465.26(2) (b)
m is the number of coatings used during the compliance period
where:
Havg is the organic HAP emission rate for the compliance period, kg organic HAP per liter coating solids
He is the total mass organic HAP emissions from all materials used during the compliance period, kg, as calculated using Equation 1 in par. (e) 1.
Vst is the total volume coating solids used during the compliance period, liters, as calculated using Equation 2 in par. (f)
(3) HOW DO I DEMONSTRATE CONTINUOUS COMPLIANCE WITH THE EMISSION LIMITATIONS?.
