(Equation 6)
where:
Hm is the total monthly organic HAP applied, kg
p is the number of different coating materials applied in a month
Chi is the organic HAP content of coating material, i, as-purchased, expressed as a mass fraction, kg/kg
Mi is the mass of as-purchased coating material, i, applied in a month, kg
q is the number of different materials added to the coating material
Chij is the organic HAP content of material, j, added to as-purchased coating material, i, expressed as a mass fraction, kg/kg
Mij is the mass of material, j, added to as-purchased coating material, i, in a month, kg
Mvret is the mass of volatile matter retained in the coated web after curing or drying, or otherwise not emitted to the atmosphere, kg. The value of this term will be zero in all cases except where you choose to take into account the volatile matter retained in the coated web or otherwise not emitted to the atmosphere for the compliance demonstration procedures in this section.
NR 466.25(5)(5) Capture and control to reduce emissions to no more than allowable limit. To reduce emissions to no more than the allowable limit in s. NR 466.23 (1) (b) 1., operate a capture system and control device and demonstrate an overall organic HAP control efficiency of at least 95% at an existing affected source and at least 98% at a new affected source for each month, or operate a capture system and oxidizer so that an outlet organic HAP concentration of no greater than 20 ppmv by compound on a dry basis is achieved as long as the capture efficiency is 100% as detailed in s. NR 466.23 (1) (b) 4. Unless one of the cases described in par. (a), (b) or (c) applies to the affected source, you shall either demonstrate compliance in accordance with the procedure in sub. (9) when emissions from the affected source are controlled by a solvent recovery device, or the procedure in sub. (11) when emissions are controlled by an oxidizer or demonstrate compliance for a web coating line by operating each capture system and each control device and continuous parameter monitoring according to the procedures in sub. (10). NR 466.25(5)(a)(a) If the affected source has only always-controlled work stations and operates more than one capture system or more than one control device, you shall demonstrate compliance in accordance with the provisions of either sub. (14) or (16). NR 466.25(5)(b)(b) If the affected source operates one or more never-controlled work stations or one or more intermittently-controlled work stations, you shall demonstrate compliance in accordance with the provisions of sub. (14). NR 466.25(5)(c)(c) An alternative method of demonstrating compliance with s. NR 466.23 (1) (b) 1. is the installation of a PTE around the web coating line that achieves 100% capture efficiency and ventilation of all organic HAP emissions from the total enclosure to an oxidizer with an outlet organic HAP concentration of no greater than 20 ppmv by compound on a dry basis. If this method is selected, you shall demonstrate compliance by following the procedures in subds. 1. and 2. Compliance is determined according to subd. 3. NR 466.25(5)(c)2.2. Determine the organic HAP concentration at the outlet of your total enclosure using the procedures in subd. 2. a. or b. NR 466.25(5)(c)3.3. You are in compliance if the installation of a total enclosure is demonstrated and the organic HAP concentration at the outlet of the incinerator is demonstrated to be no greater than 20 ppmv by compound on a dry basis. NR 466.25(6)(6) Capture and control to achieve mass fraction of coating solids applied limit. To achieve the mass fraction of coating solids applied limit in s. NR 466.23 (1) (b) 3., operate a capture system and control device and limit the organic HAP emission rate from an existing affected source to no more than 0.20 kg of organic HAP emitted per kg of coating solids applied, and from a new affected source to no more than 0.08 kg of organic HAP emitted per kg of coating solids applied as determined on a monthly average as-applied basis. If the affected source operates more than one capture system, more than one control device, one or more never-controlled work stations or one or more intermittently-controlled work stations, you shall demonstrate compliance in accordance with the provisions of sub. (14). Otherwise, you shall demonstrate compliance following the procedure in sub. (9) when emissions from the affected source are controlled by a solvent recovery device or the procedure in sub. (11) when emissions are controlled by an oxidizer. NR 466.25(7)(7) Capture and control to achieve mass fraction limit. To achieve the mass fraction limit in s. NR 466.23 (1) (b) 2., operate a capture system and control device and limit the organic HAP emission rate to no more than 0.04 kg of organic HAP emitted per kg of coating material applied at an existing affected source, and no more than 0.016 kg of organic HAP emitted per kg of coating material applied at a new affected source as determined on a monthly average as-applied basis. If the affected source operates more than one capture system, more than one control device, one or more never-controlled work stations or one or more intermittently-controlled work stations, then you shall demonstrate compliance in accordance with the provisions of sub. (14). Otherwise, you shall demonstrate compliance following the procedure in sub. (9) when emissions from the affected source are controlled by a solvent recovery device or the procedure in sub. (11) when emissions are controlled by an oxidizer. NR 466.25(8)(8) Capture and control to achieve allowable emission rate. Operate a capture system and control device and limit the monthly organic HAP emissions to less than the allowable emissions as calculated in accordance with sub. (12). If the affected source operates more than one capture system, more than one control device, one or more never-controlled work stations or one or more intermittently-controlled work stations, then you shall demonstrate compliance in accordance with the provisions of sub. (14). Otherwise, the owner or operator shall demonstrate compliance following the procedure in sub. (9) when emissions from the affected source are controlled by a solvent recovery device or the procedure in sub. (11) when emissions are controlled by an oxidizer. NR 466.25(9)(9) Solvent recovery device compliance demonstration. If you use a solvent recovery device to control emissions, you shall show compliance by following the procedures in either par. (a) or (b): NR 466.25(9)(a)(a) Liquid-liquid material balance. Perform a monthly liquid-liquid material balance as specified in subds. 1. to 5. and use the applicable equations in subds. 6. to 9. to convert the data to units of the selected compliance option in subs. (5) to (8). Compliance shall be determined in accordance with subd. 10. NR 466.25(9)(a)1.1. Determine the mass of each coating material applied on the web coating line or group of web coating lines controlled by a common solvent recovery device during the month. NR 466.25(9)(a)2.2. If demonstrating compliance on the basis of an organic HAP emission rate based on coating solids applied, an organic HAP emission rate based on coating material applied or emission of less than the calculated allowable organic HAP, determine the organic HAP content of each coating material as-applied during the month following the procedure in s. NR 466.24 (3) (c). NR 466.25(9)(a)4.4. If demonstrating compliance on the basis of an organic HAP emission rate based on coating solids applied or emissions of less than the calculated allowable organic HAP, determine the coating solids content of each coating material applied during the month following the procedure in s. NR 466.24 (3) (d). NR 466.25(9)(a)6.6. Calculate the volatile organic matter collection and recovery efficiency using Equation 7: (Equation 7)
where:
Rv is the organic volatile matter collection and recovery efficiency, percent
Mvr is the mass of volatile matter recovered in a month, kg
Mvret is the mass of volatile matter retained in the coated web after curing or drying, or otherwise not emitted to the atmosphere, kg. The value of this term will be zero in all cases except where you choose to take into account the volatile matter retained in the coated web or otherwise not emitted to the atmosphere for the compliance demonstration procedures in this section
p is the number of different coating materials applied in a month
Cvi is the volatile organic content of coating material, i, expressed as a mass fraction, kg/kg
Mi is the mass of as-purchased coating material, i, applied in a month, kg
q is the number of different materials added to the coating material
Cvij is the volatile organic content of material, j, added to as-purchased coating material, i, expressed as a mass fraction, kg/kg
Mij is the mass of material, j, added to as-purchased coating material, i, in a month, kg
NR 466.25(9)(a)7.7. Calculate the organic HAP emitted during the month using Equation 8: where:
He is the total monthly organic HAP emitted, kg
Rv is the organic volatile matter collection and recovery efficiency, percent
p is the number of different coating materials applied in a month
Chi is the organic HAP content of coating material, i, as-purchased, expressed as a mass fraction, kg/kg
Mi is the mass of as-purchased coating material, i, applied in a month, kg
q is the number of different materials added to the coating material
Chij is the organic HAP content of material, j, added to as-purchased coating material, i, expressed as a mass fraction, kg/kg
Mij is the mass of material, j, added to as-purchased coating material, i, in a month, kg
Mvret is the mass of volatile matter retained in the coated web after curing or drying, or otherwise not emitted to the atmosphere, kg. The value of this term will be zero in all cases except where you choose to take into account the volatile matter retained in the coated web or otherwise not emitted to the atmosphere for the compliance demonstration procedures in this section.
NR 466.25(9)(a)8.8. Calculate the organic HAP emission rate based on coating solids applied using Equation 9: where:
L is the mass of organic HAP emitted per mass of coating solids applied, kg/kg
He is the total monthly organic HAP emitted, kg
p is the number of different coating materials applied in a month
Csi is the coating solids content of coating material, i, expressed as a mass fraction, kg/kg
Mi is the mass of as-purchased coating material, i, applied in a month, kg
q is the number of different materials added to the coating material
Csij is the coating solids content of material, j, added to as-purchased coating material, i, expressed as a mass-fraction, kg/kg
Mij is the mass of material, j, added to as-purchased coating material, i, in a month, kg
NR 466.25(9)(a)9.9. Calculate the organic HAP emission rate based on coating material applied using Equation 10: where:
S is the mass organic HAP emitted per mass of material applied, kg/kg
He is the total monthly organic HAP emitted, kg
p is the number of different coating materials applied in a month
Mi is the mass of as-purchased coating material, i, applied in a month, kg
q is the number of different materials added to the coating material
Mij is the mass of material, j, added to as-purchased coating material, i, in a month, kg
NR 466.25(9)(a)10.a.a. The volatile organic matter collection and recovery efficiency is 95% or greater at an existing affected source and 98% or greater at a new affected source. NR 466.25(9)(a)10.b.b. The organic HAP emission rate based on coating solids applied is no more than 0.20 kg of organic HAP per kg of coating solids applied at an existing affected source and no more than 0.08 kg of organic HAP per kg of coating solids applied at a new affected source. NR 466.25(9)(a)10.c.c. The organic HAP emission rate based on coating material applied is no more than 0.04 kg of organic HAP per kg of coating material applied at an existing affected source and no more than 0.016 kg of organic HAP per kg of coating material applied at a new affected source. NR 466.25(9)(a)10.d.d. The organic HAP emitted during the month is less than the calculated allowable organic HAP as determined using sub. (12). NR 466.25(9)(b)(b) Continuous emission monitoring of capture system and control device performance. Demonstrate initial compliance through a performance test on capture efficiency and continuing compliance through continuous emission monitors and continuous monitoring of capture system operating parameters following the procedures in subds. 1. to 7. Use the applicable equations specified in subds. 8. to 10. to convert the monitoring and other data into units of the selected compliance option in subs. (5) to (8). Compliance shall be determined in accordance with subd. 11. NR 466.25(9)(b)1.1. Continuously monitor the gas stream entering and exiting the control device to determine the total organic volatile matter mass flow rate such that the efficiency of the control device can be calculated for each month using Equation 2 in s. NR 466.24 (3) (e) 1. i. NR 466.25(9)(b)2.2. Whenever a web coating line is operated, continuously monitor the operating parameters established in accordance with s. NR 466.24 (2) (f) to ensure capture efficiency. NR 466.25(9)(b)4.4. Calculate the overall organic HAP control efficiency achieved for each month using Equation 11: where:
R is the overall organic HAP control efficiency, percent
E is the organic volatile matter control efficiency of the control device, percent
