NR 466.24(3)(h)
(h) Control devices in series. If you use multiple control devices in series to comply with the emission standards in
s. NR 466.23 (1), the performance test shall include, at a minimum, the inlet to the first control device in the series, the outlet of the last control device in the series, and all intermediate streams, such as gaseous exhaust to the atmosphere or a liquid stream from a recovery device, that are not subsequently treated by any of the control devices in the series.
NR 466.24 History
History: CR 07-045: cr. Register April 2008 No. 628, eff. 5-1-08; correction in (3) (f) 1. made under s. 13.92 (4) (b) 7., Stats., Register April 2008 No. 628. NR 466.25
NR 466.25 Requirements for showing compliance. NR 466.25(1)(1)
Summary. A summary of how you shall demonstrate compliance with the emission standards follows:
NR 466.25(2)
(2) As-purchased “compliant" coating materials. NR 466.25(2)(a)(a) If you comply by using coating materials that individually meet the emission standards in
s. NR 466.23 (1) (b) 2. or
3., you shall demonstrate that each coating material applied during the month at an existing affected source contains no more than 0.04 mass fraction of organic HAP or 0.2 kg of organic HAP per kg of coating solids, and that each coating material applied during the month at a new affected source contains no more than 0.016 mass fraction of organic HAP or 0.08 kg of organic HAP per kg of coating solids on an as-purchased basis as determined in accordance with
s. NR 466.24 (3) (c).
NR 466.25(2)(b)
(b) You are in compliance with emission standards in
s. NR 466.23 (1) (b) 2. and
3. if each coating material applied at an existing affected source is applied as-purchased and contains no more than 0.04 kg of organic HAP per kg of coating material or 0.2 kg of organic HAP per kg of coating solids, and each coating material applied at a new affected source is applied as-purchased and contains no more than 0.016 kg of organic HAP per kg of coating material or 0.08 kg of organic HAP per kg of coating solids.
NR 466.25(3)
(3) As-applied “compliant" coating materials. If you comply by using coating materials that meet the emission standards in
s. NR 466.23 (1) (b) 2. or
3. as-applied, you shall demonstrate compliance by following one of the procedures in
pars. (a) to
(d). You shall determine compliance in accordance with
par. (e).
NR 466.25(3)(a)
(a)
Each coating material as-applied meets the mass fraction of coating material standard in s. NR 466.23 (1) (b) 2. You shall demonstrate that each coating material applied at an existing affected source during the month contains no more than 0.04 kg of organic HAP per kg of coating material applied, and each coating material applied at a new affected source contains no more than 0.016 kg of organic HAP per kg of coating material applied as determined in accordance with
subds. 1. and
2. You shall calculate the as-applied organic HAP content of as-purchased coating materials which are reduced, thinned or diluted prior to application.
NR 466.25(3)(a)1.
1. Determine the organic HAP content or volatile organic content of each coating material applied on an as-purchased basis in accordance with
s. NR 466.24 (3) (c).
NR 466.25(3)(a)2.
2. Calculate the as-applied organic HAP content of each coating material using Equation 1a or calculate the as-applied volatile organic content of each coating material using Equation 1b:
where:
Cahi is the monthly average, as-applied, organic HAP content of coating material, i, expressed as a mass fraction, kg/kg
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
Mi is the mass of as-purchased coating material, i, applied in a month, kg
where:
Cavi is the monthly average, as-applied, volatile organic content of coating material, i, expressed as a mass fraction, kg/kg
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(3)(b)
(b)
Each coating material as-applied meets the mass fraction of coating solids standard in s. NR 466.23 (1) (b) 3. You shall demonstrate that each coating material applied at an existing affected source contains no more than 0.20 kg of organic HAP per kg of coating solids applied and each coating material applied at a new affected source contains no more than 0.08 kg of organic HAP per kg of coating solids applied. You shall demonstrate compliance in accordance with
subds. 1. and
2.
NR 466.25(3)(b)1.
1. Determine the as-applied coating solids content of each coating material following the procedure in
s. NR 466.24 (3) (d). You shall calculate the as-applied coating solids content of coating materials which are reduced, thinned or diluted prior to application, using Equation 2:
where:
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(3)(b)2.
2. Calculate the as-applied organic HAP to coating solids ratio using Equation 3:
where:
Hsi is the as-applied, organic HAP to coating solids ratio of coating material, i
Cahi is the monthly average, as-applied, organic HAP content of coating material, i, expressed as a mass fraction, kg/kg
Casi is the monthly average, as-applied, coating solids content of coating material, i, expressed as a mass fraction, kg/kg
NR 466.25(3)(c)
(c)
Monthly average organic HAP content of all coating materials as-applied is less than the mass percent limit in s. NR 466.23 (1) (b) 2. Demonstrate that the monthly average as-applied organic HAP content of all coating materials applied at an existing affected source is less than 0.04 kg organic HAP per kg of coating material applied, and all coating materials applied at a new affected source are less than 0.016 kg organic HAP per kg of coating material applied, as determined by Equation 4:
(Equation 4)
where:
HL is the monthly average, as-applied, organic HAP content of all coating materials applied, expressed as kg organic HAP per kg of coating material applied
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(3)(d)
(d)
Monthly average organic HAP content of all coating materials as-applied is less than the mass fraction of coating solids limit in s. NR 466.23 (1) (b) 3. Demonstrate that the monthly average as-applied organic HAP content on the basis of coating solids applied of all coating materials applied at an existing affected source is less than 0.20 kg of organic HAP per kg of coating solids applied, and all coating materials applied at a new affected source are less than 0.08 kg of organic HAP per kg of coating solids applied, as determined by Equation 5:
(Equation 5)
where:
Hs is the monthly average, as-applied, organic HAP to coating solids ratio, kg of organic HAP per kg of coating solids applied
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.
Csi is the coating solids content of coating material, i, expressed as a mass fraction, kg/kg
Csij is the coating solids content of material, j, added to as-purchased coating material, i, expressed as a mass-fraction, kg/kg
NR 466.25(3)(e)1.
1. The organic HAP content of each coating material as-applied at an existing affected source is no more than 0.04 kg of organic HAP per kg of coating material or 0.2 kg of organic HAP per kg of coating solids, and the organic HAP content of each coating material as-applied at a new affected source contains no more than 0.016 kg of organic HAP per kg of coating material or 0.08 kg of organic HAP per kg of coating solids.
NR 466.25(3)(e)2.
2. The monthly average organic HAP content of all as-applied coating materials at an existing affected source are no more than 0.04 kg of organic HAP per kg of coating material or 0.2 kg of organic HAP per kg of coating solids, and the monthly average organic HAP content of all as-applied coating materials at a new affected source is no more than 0.016 kg of organic HAP per kg of coating material or 0.08 kg of organic HAP per kg of coating solids.
NR 466.25(4)
(4) Monthly allowable organic hap applied. Demonstrate that the total monthly organic HAP applied as determined by Equation 6 is less than the calculated equivalent allowable organic HAP as determined by Equation 13a or b in
sub. (12) (e):
(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.
