(Equation 1)
where:
Hc is the mass of organic HAP emissions reduction for the controlled coating operation during the compliance period, kg
AI is the total mass of organic HAP in the coatings used in the controlled coating operation, kg, as calculated in Equation 1A
BI is the total mass of organic HAP in the thinners used in the controlled coating operation, kg, as calculated in Equation 1B
CI is the total mass of organic HAP in the cleaning materials used in the controlled coating operation during the compliance period, kg, as calculated in Equation 1C
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 (6) to measure and record the organic HAP destruction or removal efficiency.
(Equation 1A)
where:
AI is the mass of organic HAP in the coatings used in the controlled coating operation, kg
Volc,i is the total volume of coating, i, used, liters
Dc,i is the density of coating, i, kg per liter
Wc,i is the mass fraction of organic HAP in coating, i, kg per kg
m is the number of different coatings used
(Equation 1B)
where:
BI is the mass of organic HAP in the thinners used in the controlled coating operation, kg
Volt,j is the total volume of thinner, j, used, liters
Dt,j is the density of thinner, j, kg per liter
Wt,j is the mass fraction of organic HAP in thinner, j, kg per kg
n is the number of different thinners used
(Equation 1C)
where:
CI is the mass of organic HAP in the cleaning materials used in the controlled coating operation, kg
Vols,k is the total volume of cleaning material, k, used, liters
Ds,k is the density of cleaning material, k, kg per liter
Ws,k is the mass fraction of organic HAP in cleaning material, k, kg per kg
p is the number of different cleaning materials used
NR 465.28(2)(g)
(g) For each controlled coating operation using a solvent recovery system for which you conduct liquid-liquid material balances, calculate the organic HAP emissions reduction by applying the volatile organic matter collection and recovery efficiency to the mass of organic HAP contained in the coatings, thinners and cleaning materials that are used in the coating operation controlled by the solvent recovery system during the compliance period. The mass of organic HAP emission reduction by the solvent recovery system shall be calculated using the following procedures and equations:
NR 465.28(2)(g)1.
1. For each solvent recovery system, install, calibrate, maintain and operate according to the manufacturer's specifications, a device that indicates the cumulative amount of volatile organic matter recovered by the solvent recovery system each compliance period. The device shall be initially certified by the manufacturer to be accurate to within
±2.0% of the mass of volatile organic matter recovered.
NR 465.28(2)(g)2.
2. For each solvent recovery system, determine the mass of volatile organic matter recovered for the compliance period, kg, based on measurement with the device required in
subd. 1.
NR 465.28(2)(g)3.
3. Determine the mass fraction of volatile organic matter for each coating used in the coating operation controlled by the solvent recovery system during the compliance period, kg volatile organic matter per kg coating. You may determine the volatile organic matter mass fraction using Method 24 in
40 CFR part 60, Appendix A, incorporated by reference in
s. NR 484.04 (13), or an EPA approved alternative method, or you may use information provided by the manufacturer or supplier of the coating. In the event of any inconsistency between information provided by the manufacturer or supplier and the results of Method 24, or an approved alternative method, the test method results will govern.
NR 465.28(2)(g)4.
4. Determine the density of each coating, thinner and cleaning material used in the coating operation controlled by the solvent recovery system during the compliance period, kg per liter, according to
s. NR 465.27 (2) (c).
NR 465.28(2)(g)5.
5. Measure the volume of each coating, thinner and cleaning material used in the coating operation controlled by the solvent recovery system during the compliance period, liters.
NR 465.28(2)(g)6.
6. Calculate the solvent recovery system's volatile organic matter collection and recovery efficiency, using the following equation:
(Equation 2)
where:
RV is the volatile organic matter collection and recovery efficiency of the solvent recovery system during the compliance period, percent
MVR is the mass of volatile organic matter recovered by the solvent recovery system during the compliance period, kg
Voli is the volume of coating, i, used in the coating operation controlled by the solvent recovery system during the compliance period, liters
Di is the density of coating, i, kg coating per liter coating
CVi is the mass fraction of volatile organic matter for coating, i, kg volatile organic matter per kg coating
Volj is the volume of thinner, j, used in the coating operation controlled by the solvent recovery system during the compliance period, liters
Dj is the density of thinner, j, kg thinner per liter thinner
Volk is the volume of cleaning material, k, used in the coating operation controlled by the solvent recovery system during the compliance period, liters
Dk is the density of cleaning material, k, kg cleaning material per liter cleaning material
m is the number of different coatings used in the coating operation controlled by the solvent recovery system during the compliance period
n is the number of different thinners used in the coating operation controlled by the solvent recovery system during the compliance period
p is the number of different cleaning materials used in the coating operation controlled by the solvent recovery system during the compliance period
NR 465.28(2)(g)7.
7. Calculate the mass of organic HAP emissions reduction for the coating operation controlled by the solvent recovery system during the compliance period, using the following equation:
(Equation 3)
where:
HCSR is the mass of organic HAP emissions reduction for the coating operation controlled by the solvent recovery system using a liquid-liquid material balance during the compliance period, kg
AI is the total mass of organic HAP in the coatings used in the coating operation controlled by the solvent recovery system, kg, calculated using Equation 1A in par. (f)
BI is the total mass of organic HAP in the thinners used in the coating operation controlled by the solvent recovery system, kg, calculated using Equation 1B in par. (f)
CI is the total mass of organic HAP in the cleaning materials used in the coating operation controlled by the solvent recovery system, kg, calculated using Equation 1C in par. (f)
RV is the volatile organic matter collection and recovery efficiency of the solvent recovery system, percent, from Equation 2 in subd. 6.
NR 465.28(2)(h)
(h) Determine the total volume of coating solids used, liters, which is the combined volume of coating solids for all the coatings used during the compliance period, using Equation 2 in
s. NR 465.27 (2) (f).
NR 465.28(2)(i)
(i) Determine the organic HAP emission rate to the atmosphere, kg organic HAP per liter coating solids used during the compliance period, using the following equation:
(Equation 4)
where:
HHAP is the organic HAP emission rate to the atmosphere during the compliance period, kg organic HAP per liter coating solids used
He is the total mass of organic HAP emissions before add-on controls from all the coatings, thinners and cleaning materials used during the compliance period, kg, determined according to par. (d)
HC,i is the total mass of organic HAP emissions reduction for controlled coating operation, i, during the compliance period, kg, from Equation 1 in par. (f)
HCSR,j is the total mass of organic HAP emissions reduction for controlled coating operation, j, during the compliance period, kg, from Equation 3 in par. (g)
V
st is the total volume of coating solids used during the compliance period, liters, from Equation 2 in
s. NR 465.27 (2) (f)
q is the number of controlled coating operations except those controlled with a solvent recovery system
r is the number of coating operations controlled with a solvent recovery system
NR 465.28(2)(j)
(j) Demonstrate initial compliance with the emission limit, by ensuring that the organic HAP emission rate calculated using Equation 4 in
par. (i), is less than or equal to the applicable emission limit in
s. NR 465.25 (3). Keep all records as required by
s. NR 465.25 (3) and
(4). As part of the notification of compliance status required by
s. NR 465.25 (1), identify the coating operation or operations for which you used the emission rate with add-on controls option and submit a statement that the coating operation or operations was or were in compliance with the emission limitations during the initial compliance period because the organic HAP emission rate was less than or equal to the applicable emission limit in
s. NR 465.23 (1), and you achieved the operating limits and the work practice standards required by
s. NR 465.23 (3) and
(4) respectively.
NR 465.28(4)
(4) How do I demonstrate continuous compliance with the emission limitations?. NR 465.28(4)(a)(a) To demonstrate continuous compliance with the applicable emission limit in
s. NR 465.23 (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 465.23 (1). Each month following the initial compliance period described in
sub. (1) is a compliance period.
NR 465.28(4)(b)
(b) If the organic HAP emission rate for any compliance period exceeded the applicable emission limit in
s. NR 465.23 (1), this is a deviation from the emission limitation for that compliance period and shall be reported as specified in
s. NR 465.25 (1) (b) 6. and
(2) (g).
NR 465.28(4)(c)
(c) You shall demonstrate continuous compliance with each operating limit required by
s. NR 465.23 (3) that applies to you as specified in Table 1 of this subchapter, and shall do the following as applicable:
NR 465.28(4)(c)2.
2. If an operating parameter deviates from the operating limit specified in Table 1 of this subchapter, assume that the emission capture system and add-on control device were achieving zero efficiency during the time period of the deviation. For the purposes of completing the compliance calculations specified in
sub. (2), 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. You may not include those materials in the calculation of organic HAP emissions reductions in Equation 1 in
sub. (2) (f).
NR 465.28(4)(d)
(d) You shall meet the requirements for bypass lines in
sub. (9) (b). You shall report it as a deviation, as specified in
s. NR 465.25 (1) (b) 6. and
(2) (g), if any bypass line is opened and emissions are diverted to the atmosphere when the coating operation is running. For the purposes of completing the compliance calculations specified in
sub. (2), 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. You may not include those materials in the calculation of organic HAP emissions reductions in Equation 1 in
sub. (2) (f).
NR 465.28(4)(e)
(e) You shall demonstrate continuous compliance with the work practice standards in
s. NR 465.23 (4). You shall report it as a deviation from the work practice standards, as specified in
s. NR 465.25 (1) (b) 6. and
(2) (g), if you did not develop a work practice plan, did not implement the plan, or you did not keep the records required by
s. NR 465.25 (3) (k) 9.
NR 465.28(4)(f)
(f) As part of each semiannual compliance report required in
s. NR 465.25 (2), you shall submit a statement that you were in compliance with the emission limitations 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 465.23 (1), and you achieved the operating limits and the work practice standards required by
s. NR 465.23 (3) and
(4), respectively, during each compliance period.
NR 465.28(4)(g)
(g) During periods of startup, shutdown and 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 SSMP required by
s. NR 465.24 (1) (d).
NR 465.28(4)(h)
(h) Consistent with
ss. NR 460.05 (4) and
460.06 (4) (a), deviations that occur during a period 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 are not violations if you demonstrate to the department's satisfaction that you were operating in accordance with the SSMP. The department will determine whether deviations that occur during a period of startup, shutdown or malfunction are violations according to the provisions in
s. NR 460.05 (4).
