Wisconsin Administrative Code
Department of Natural Resources
NR 400-499 - Environmental Protection - Air Pollution Control
Chapter NR 466 - National emission standards for hazardous air pollutants for printing and flexible substrate surface coating processes
Subchapter III - Paper and Other Web Coating
Section NR 466.25 - Requirements for showing compliance

Universal Citation: WI Admin Code ยง NR 466.25

Current through August 26, 2024

(1) SUMMARY. A summary of how you shall demonstrate compliance with the emission standards follows:

Compliance Demonstration

If you choose to demonstrate compliance by:

Then you shall demonstrate that:

Using these procedures:

(a) Use of "as-purchased" compliant coating materials.

1. Each coating material used at an existing affected source does not exceed 0.04 kg of organic HAP per kg of coating material, and each coating material used at a new affected source does not exceed 0.016 kg of organic HAP per kg of coating material as purchased; or

2. Each coating material used at an existing affected source does not exceed 0.2 kg of organic HAP per kg of coating solids, and each coating material used at a new affected source does not exceed 0.08 kg of organic HAP per kg of coating solids as purchased.

Follow the procedures set out in sub. (2).

Follow the procedures set out in sub. (2).

(b) Use of "as-applied" compliant coating materials.

1. Each coating material used at an existing affected source does not exceed 0.04 kg of organic HAP per kg of coating material, and each coating material used at a new affected source does not exceed 0.016 kg of organic HAP per kg of coating material as applied; or

2. Each coating material used at an existing affected source does not exceed 0.2 kg of organic HAP per kg of coating solids, and each coating material used at a new affected source does not exceed 0.08 kg of organic HAP per kg of coating solids as applied; or

Follow the procedures set out in sub. (3) (a). Use either Equation 1a or b of this section to determine compliance with s. NR 466.23(1) (b) 2. in accordance with sub. (3) (e) 1.

Follow the procedures set out in sub. (3) (b). Use Equations 2 and 3 of this section to determine compliance with s. NR 466.23(1) (b) 3. in accordance with sub. (3) (e) 1.

3. Monthly average of all coating materials used at an existing affected source does not exceed 0.04 kg of organic HAP per kg of coating material, and monthly average of all coating materials used at a new affected source does not exceed 0.016 kg of organic HAP per kg of coating material as applied on a monthly average basis; or

Follow the procedures set out in sub. (3) (c). Use Equation 4 of this section to determine compliance with s. NR 466.23(1)

(b) 2. in accordance with sub. (3) (e) 2.

4. Monthly average of all coating materials used at an existing affected source does not exceed 0.2 kg of organic HAP per kg of coating solids, and monthly average of all coating materials used at a new affected source does not exceed 0.08 kg of organic HAP per kg of coating solids as applied on a monthly average basis.

Follow the procedures set out in sub. (3) (d). Use Equation 5 of this section to determine compliance with s. NR 466.23(1)

(b) 3. in accordance with sub. (3) (e) 2.

(c) Tracking total monthly organic HAP applied.

Total monthly organic HAP applied does not exceed the calculated limit based on emission limitations.

Follow the procedures set out in sub. (4). Show that total monthly HAP applied, calculated using Equation 6 of this section, is less than the equivalent allowable organic HAP calculated using Equation 13a or b of this section.

(d) Use of a capture system and control device.

1. Overall organic HAP control efficiency is equal to 95% at an existing affected source and 98% at a new affected source on a monthly basis; or oxidizer outlet organic HAP concentration is no greater than 20 ppmv by compound and capture efficiency is 100%; or operating parameters are continuously monitored; or

Follow the procedures set out in sub. (5) to determine compliance with s. NR 466.23(1)

(b) 1. according to sub. (9) if using a solvent recovery device or sub. (10) if a using control device and CPMS or sub. (11) if using an oxidizer.

2. Overall organic HAP emission rate does not exceed 0.2 kg of organic HAP per kg of coating solids for an existing affected source or 0.08 kg of organic HAP per kg of coating solids for a new affected source on a monthly average as-applied basis; or

Follow the procedures set out in sub. (6) to determine compliance with s. NR 466.23(1)

(b) 3. according to sub. (9) if using a solvent recovery device or sub. (11) if using an oxidizer.

3. Overall organic HAP emission rate does not exceed 0.04 kg of organic HAP per kg of coating material for an existing affected source or 0.016 kg of organic HAP per kg of coating material for a new affected source on a monthly average as-applied basis; or

Follow the procedures set out in sub. (7) to determine compliance with s. NR 466.23(1)

(b) 2. according to sub. (9) if using a solvent recovery device or sub. (11) if using an oxidizer.

4. Overall organic HAP emission rate does not exceed the calculated limit based on emission limitations.

Follow the procedures set out in sub. (8). Show that the monthly organic HAP emission rate is less than the equivalent allowable organic HAP emission rate calculated using Equation 13a or b of this section. Calculate the monthly organic HAP emission rate according to sub. (9) if using a solvent recovery device or sub. (11) if using an oxidizer.

(e) Use of multiple capture devices, multiple control devices or both.

1. Overall organic HAP control efficiency is equal to 95% at an existing affected source and 98% at a new affected source on a monthly basis; or

Follow the procedures set out in sub. (5) to determine compliance with s. NR 466.23(1)

(b) 1. according to sub. (5) (a)

or (b).

2. Average equivalent organic HAP emission rate does not exceed 0.2 kg of organic HAP per kg of coating solids for an existing affected source or 0.08 kg of organic HAP per kg of coating solids for a new affected source on a monthly average as-applied basis; or

Follow the procedures set out in sub. (6) to determine compliance with s. NR 466.23(1)

(b) 3. according to sub. (14).

3. Average equivalent organic HAP emission rate does not exceed 0.04 kg of organic HAP per kg of coating material for an existing affected source or 0.016 kg of organic HAP per kg of coating material for a new affected source on a monthly average as-applied basis; or

Follow the procedures set out in sub. (7) to determine compliance with s. NR 466.23(1)

(b) 2. according to sub. (14).

4. Average equivalent organic HAP emission rate does not exceed the calculated limit based on emission limitations.

Follow the procedures set out in sub. (8). Show that the monthly organic HAP emission rate is less than the equivalent allowable organic HAP emission rate calculated using Equation 13a or b of this section according to

sub. (14).

(f) Use of a combination of compliant coatings and control devices.

1. Average equivalent organic HAP emission rate does not exceed 0.2 kg of organic HAP per kg of coating solids for an existing affected source or 0.08 kg of organic HAP per kg of coating solids for a new affected source on a monthly average as-applied basis; or

Follow the procedures set out in sub. (6) to determine compliance with s. NR 466.23(1)

(b) 3. according to sub. (14).

2. Average equivalent organic HAP emission rate does not exceed 0.04 kg of organic HAP per kg of coating material for an existing affected source or 0.016 kg of organic HAP per kg of coating material for a new affected source on a monthly average as-applied basis; or

Follow the procedures set out in sub. (7) to determine compliance with s. NR 466.23(1)

(b) 2. according to sub. (14).

3. Average equivalent organic HAP emission rate does not exceed the calculated limit based on emission limitations.

Follow the procedures set out in sub. (8). Show that the monthly organic HAP emission rate is less than the equivalent allowable organic HAP emission rate calculated using Equation 13a or b of this section according to sub. (14).

(2) AS-PURCHASED "COMPLIANT" COATING MATERIALS.

(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).

(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.

(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).

(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.
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).

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:

See Image

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

See Image

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

(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.
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:

See Image

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

2. Calculate the as-applied organic HAP to coating solids ratio using Equation 3:

See Image

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

(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 tha n 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:

See Image

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.

(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:

See Image

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

(e) Compliance. The affected source is in compliance with emission standards in s. NR 466.23(1) (b) 2. or 3. if one of the following is met:
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.

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.

(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):

See Image

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.

(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).

(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).

(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).

(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.
1. Demonstrate that a total enclosure is installed. An enclosure that meets the requirements in s. NR 466.24(3) (f) 1. will be considered a total enclosure.

2. Determine the organic HAP concentration at the outlet of your total enclosure using the procedures in subd. 2. a. or b.
a. Determine the control device efficiency using Equation 2 of s. NR 466.24(3) and the applicable test methods and procedures specified in s. NR 466.24(3) (e).

b. Use a CEMS to determine the organic HAP emission rate according to sub. (9) (b) 1. to 10.

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.

(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.

(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.

(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.

(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):

(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.
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.

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).

3. Determine the volatile organic content of each coating material as-applied during the month following the procedure in s. NR 466.24(3) (d).

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).

5. Determine and monitor the amount of volatile organic matter recovered for the month according to the procedures in s. NR 466.24(2) (d).

6. Calculate the volatile organic matter collection and recovery efficiency using Equation 7:

See Image

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

7. Calculate the organic HAP emitted during the month using Equation 8:

See Image

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.

8. Calculate the organic HAP emission rate based on coating solids applied using Equation 9:

See Image

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

9. Calculate the organic HAP emission rate based on coating material applied using Equation 10:

See Image

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

10. You are in compliance with the emission standards in s. NR 466.23(1) (b) if you meet any of the following:
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.

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.

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.

d. The organic HAP emitted during the month is less than the calculated allowable organic HAP as determined using sub. (12).

(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.
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.

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.

3. Determine the percent capture efficiency in accordance with s. NR 466.24(3) (f).

4. Calculate the overall organic HAP control efficiency achieved for each month using Equation 11:

See Image

where:

R is the overall organic HAP control efficiency, percent

E is the organic volatile matter control efficiency of the control device, percent

CE is the organic volatile matter capture efficiency of the capture system, percent

5. If demonstrating compliance on the basis of organic HAP emission rate based on coating solids applied, organic HAP emission rate based on coating materials applied or emission of less than the calculated allowable organic HAP, determine the mass of each coating material applied on the web coating line or group of web coating lines controlled by a common control device during the month.

6. If demonstrating compliance on the basis of organic HAP emission rate based on coating solids applied, 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).

7. If demonstrating compliance on the basis of organic HAP emission rate based on coating solids applied or emission of less than the calculated allowable organic HAP, determine the coating solids content of each coating material as-applied during the month following the procedure in s. NR 466.24(3) (d).

8. Calculate the organic HAP emitted during the month for each month using Equation 12:

See Image

where:

He is the total monthly organic HAP emitted, kg

R is the overall organic HAP control efficiency, percent

p is the number of different coating materials applied in a month

Cahi is the monthly average, as-applied, organic HAP 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

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.

9. Calculate the organic HAP emission rate based on coating solids applied using Equation 9 in par (a) 8.

10. Calculate the organic HAP emission rate based on coating material applied using Equation 10 in par (a) 9..

11. You are in compliance with the emission standards in s. NR 466.23(1) (b) for each month if you operate the capture system such that the average capture system operating parameter is greater than or less than, as appropriate, the operating parameter value established in accordance with s. NR 466.24(2) (f), and you satisfy one of the following:
a. The organic volatile matter collection and recovery efficiency is 95% or greater at an existing affected source and 98% or greater at a new affected source.

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.

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.

d. The organic HAP emitted during the month is less than the calculated allowable organic HAP as determined using sub. (12).

(10) CAPTURE AND CONTROL SYSTEM COMPLIANCE DEMONSTRATION PROCEDURES USING A CPMS. If you use an add-on control device, you shall demonstrate initial compliance for each capture system and each control device through performance tests and demonstrate continuing compliance through continuous monitoring of capture system and control device operating parameters as specified in pars. (a) to (c). Compliance shall be determined in accordance with par. (d).

(a) Determine the control device destruction or removal efficiency using the applicable test methods and procedures in s. NR 466.24(3) (e).

(b) Determine the emission capture efficiency in accordance with s. NR 466.24(3) (f).

(c) Whenever a web coating line is operated, continuously monitor the operating parameters established according to s. NR 466.24(2) (e) and (f).

(d) You are in compliance with the emission standards in s. NR 466.23(1) (b) if the control device is operated such that the average operating parameter value is greater than or less than, as appropriate, the operating parameter value established in accordance with s. NR 466.24(3) (e) for each 3-hour period, and the capture system operating parameter is operated at an average value greater than or less than, as appropriate, the operating parameter value established in accordance with s. NR 466.24(2) (f), and you satisfy one of the following:
1. The overall organic HAP control efficiency is 95% or greater at an existing affected source and 98% or greater at a new affected source.

2. 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.

3. 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.

4. The organic HAP emitted during the month is less than the calculated allowable organic HAP as determined using sub. (12).

(11) OXIDIZER COMPLIANCE DEMONSTRATION PROCEDURES. If you use an oxidizer to control emissions, you shall show compliance by following the procedures in par. (a) and using the applicable equations specified in par. (b) 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 par. (c).

(a) Demonstrate initial compliance through performance tests of capture efficiency and control device efficiency and continuing compliance through continuous monitoring of capture system and control device operating parameters as specified in subds. 1. to 6.:
1. Determine the oxidizer destruction efficiency using the procedure in s. NR 466.24(3) (e).

2. Determine the capture system capture efficiency in accordance with s. NR 466.24(3) (f).

3. Whenever a web coating line is operated, continuously monitor the operating parameters established in accordance with s. NR 466.24(2) (e) and (f) to ensure capture and control efficiency.

4. If demonstrating compliance on the basis of organic HAP emission rate based on coating solids applied, organic HAP emission rate based on coating materials applied or emission of less than the calculated allowable organic HAP, determine the mass of each coating material applied on the web coating line or group of web coating lines controlled by a common oxidizer during the month.

5. If demonstrating compliance on the basis of organic HAP emission rate based on coating solids applied, 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).

6. If demonstrating compliance on the basis of organic HAP emission rate based on coating solids applied or emission 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).

(b) You shall convert the information obtained under sub. (16) (a) into the units of the selected compliance option using the calculation procedures specified in subds. 1. to 4.
1. Calculate the overall organic HAP control efficiency achieved using Equation 11 of this section.

2. Calculate the organic HAP emitted during the month using Equation 12 of this section.

3. Calculate the organic HAP emission rate based on coating solids applied for each month using Equation 9 of this section.

4. Calculate the organic HAP emission rate based on coating material applied using Equation 10 of this section.

(c) You are in compliance with the emission standards in s. NR 466.23(1) (b) if the oxidizer is operated such that the average operating parameter value is greater than the operating parameter value established in accordance with s. NR 466.24(3) (e) for each 3-hour period, and the capture system operating parameter is operated at an average value greater than or less than, as appropriate, the operating parameter value established in accordance with s. NR 466.24(2) (f), and you satisfy one of the following:
1. The overall organic HAP control efficiency is 95% or greater at an existing affected source and 98% or greater at a new affected source.

2. 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.

3. 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.

4. The organic HAP emitted during the month is less than the calculated allowable organic HAP as determined using sub. (12).

(12) MONTHLY ALLOWABLE ORGANIC HAP EMISSIONS. You shall use the procedures and calculations in this subsection for determining monthly allowable organic HAP emissions for use in demonstrating compliance in accordance with subs. (4), (8), (9) (a) 10. d., (9) (b) 11. d. and (11) (c) 4. You shall determine the amount of coating material applied at greater than or equal to 20% by mass coating solids and the amount of coating material applied at less than 20% by mass coating solids. The allowable organic HAP limit shall then be calculated based on coating material applied at greater than or equal to 20% by mass coating solids complying with 0.2 kg of organic HAP per kg of coating solids at an existing affected source or 0.08 kg of organic HAP per kg of coating solids at a new affected source, and coating material applied at less than 20% by mass coating solids complying with 4% by mass organic HAP at an existing affected source and 1.6% by mass organic HAP at a new affected source by doing all of the following:

(a) Determine the as-purchased mass of each coating material applied each month.

(b) Determine the as-purchased coating solids content of each coating material applied each month in accordance with s. NR 466.24(3) (d) 1.

(c) Determine the as-purchased mass fraction of each coating material which was applied at 20% by mass or greater coating solids content on an as-applied basis.

(d) Determine the total mass of each solvent, diluent, thinner or reducer added to coating materials which were applied at less than 20% by mass coating solids content on an as-applied basis each month.

(e) Calculate the monthly allowable organic HAP emissions using Equation 13a for an existing affected source and Equation 13b for a new affected source:

See Image

where:

Ha is the monthly allowable organic HAP emissions, 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

Gi is the mass fraction of each coating material, i, which was applied at 20% by mass or greater coating solids content, on an as-applied basis, kg/kg

Csi is the coating solids content of coating material, i, expressed as a mass fraction, kg/kg

q is the number of different materials added to the coating material

MLj is the mass of non-coating-solids-containing coating material, j, added to coating-solids-containing coating materials which were applied at less than 20% by mass coating solids content, on an as-applied basis, in a month, kg

See Image

where

Ha is the monthly allowable organic HAP emissions, 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

Gi is the mass fraction of each coating material, i, which was applied at 20% by mass or greater coating solids content, on an as-applied basis, kg/kg

Csi is the coating solids content of coating material, i, expressed as a mass fraction, kg/kg

q is the number of different materials added to the coating material

MLj is the mass of non-coating-solids-containing coating material, j, added to coating-solids-containing coating materials which were applied at less than 20% by mass coating solids content, on an as-applied basis, in a month, kg

Note: Sub. (13) was not used to maintain consistency with numbering used in parallel federal language.

(14) COMBINATIONS OF CAPTURE AND CONTROL. If you operate 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 calculate organic HAP emissions according to the procedures in pars. (a) to (d) and use the calculation procedures specified in par. (e) to convert the monitoring and other data into units of the selected control option in subs. (5) to (8). Use the procedures specified in par. (f) to demonstrate compliance.

(a) Solvent recovery system using liquid-liquid material balance compliance demonstration. If you choose to comply by means of a liquid-liquid material balance for each solvent recovery system used to control one or more web coating lines, you shall determine the organic HAP emissions for the web coating lines controlled by the solvent recovery system in accordance with one of the following:
1. Subsection (9) (a) 1. to 3. and 5. to 7., if the web coating lines controlled by the solvent recovery system have only always-controlled work stations.

2. Subsections (9) (a) 2., 3., 5. and 6. and (15), if the web coating lines controlled by the solvent recovery system have one or more never-controlled or intermittently-controlled work stations.

(b) Solvent recovery system using performance test compliance demonstration and CEMS. To demonstrate compliance through an initial test of capture efficiency, continuous monitoring of a capture system operating parameter and a CEMS on each solvent recovery system used to control one or more web coating lines, you shall do both of the following:
1. For each capture system delivering emissions to that solvent recovery system, monitor the operating parameter established in accordance with s. NR 466.24(2) (f) to ensure capture system efficiency.

2. Determine the organic HAP emissions for the web coating lines served by each capture system delivering emissions to the solvent recovery system in accordance with one of the following:
a. Subsection (9) (b) 1. to 3., 5., 7. and 8. if the web coating lines served by the capture and control system have only always-controlled work stations.

b. Subsections (9) (b) 1. to 3. and 6. and (15) if the web coating lines served by the capture and control system have one or more never-controlled or intermittently-controlled work stations.

(c) Oxidizer. To demonstrate compliance through performance tests of capture efficiency and control device efficiency, continuous monitoring of capture system and CPMS for control device operating parameters for each oxidizer used to control emissions from one or more web coating lines, you shall do all of the following:
1. Monitor the operating parameter in accordance with s. NR 466.24(2) (e) to ensure control device efficiency.

2. For each capture system delivering emissions to the oxidizer, monitor the operating parameter established in accordance with s. NR 466.24(2) (f) to ensure capture efficiency.

3. Determine the organic HAP emissions for the web coating lines served by each capture system delivering emissions to that oxidizer in accordance with one of the following:
a. In accordance with sub. (11) (a) 1. to 4. if the web coating lines served by the capture and control system have only always-controlled work stations.

b. In accordance with sub. (11) (a) 1. to 3. and 5. and sub. (15) if the web coating lines served by the capture and control system have one or more never-controlled or intermittently-controlled work stations.

(d) Uncontrolled coating lines. If you own or operate one or more uncontrolled web coating lines, you shall determine the organic HAP applied on the web coating lines using Equation 6 in sub. (4). The organic HAP emitted from an uncontrolled web coating line is equal to the organic HAP applied on the web coating line.

(e) Conversion of information. Convert the information obtained under pars. (a) to (d) into the units of the selected compliance option using the calculation procedures specified in subds. 1. to 4.
1. Calculate the organic HAP emissions for the affected source for the month by summing all organic HAP emissions calculated according to pars. (a), (b) 2., (c) 3. and (d).

2. If demonstrating compliance on the basis of organic HAP emission rate based on coating solids applied or emission of less than the calculated allowable organic HAP, you shall determine the coating solids content of each coating material applied during the month following the procedure in s. NR 466.24(3) (d).

3. Calculate the organic HAP emission rate based on coating solids applied for each month using Equation 9 in sub. (9) (a) 8.

4. Calculate the organic HAP emission rate based on material applied using Equation 10 in sub. (9) (a) 9.

(f) Compliance. You are in compliance with the emission standards in s. NR 466.23(1) (b) for the month if all operating parameters required to be monitored under pars. (a) to (c) were maintained at the values established under s. NR 466.24(2) and (3), and you satisfy one of the following:
1. The total mass of organic HAP emitted by the affected source 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.

2. The total mass of organic HAP emitted by the affected source based on material applied is no more than 0.04 kg of organic HAP per kg of material applied at an existing affected source and no more than 0.016 kg of organic HAP per kg of material applied at a new affected source.

3. The total mass of organic HAP emitted by the affected source during the month is less than the calculated allowable organic HAP as determined using sub. (12).

4. The total mass of organic HAP emitted by the affected source was not more than 5% of the total mass of organic HAP applied for the month at an existing affected source and no more than 2% of the total mass of organic HAP applied for the month at a new affected source. The total mass of organic HAP applied by the affected source in the month shall be determined using Equation 6 in sub. (4).

(15) INTERMITTENTLY-CONTROLLED AND NEVER-CONTROLLED WORK STATIONS. If you have been expressly referred to this subsection by sub. (14) (a) 2., (b) 2. b. or (c) 3. b. for calculation procedures to determine organic HAP emissions for your intermittently-controlled and never-controlled work stations, you shall do all of the following:

(a) Determine the sum of the mass of all coating materials as-applied on intermittently-controlled work stations operating in bypass mode and the mass of all coating materials as-applied on never-controlled work stations during the month.

(b) Determine the sum of the mass of all coating materials as-applied on intermittently-controlled work stations operating in a controlled mode and the mass of all coating materials applied on always-controlled work stations during the month.

(c) For each web coating line or group of web coating lines for which you use the provisions of sub. (14) (a) 2. for liquid-liquid material balance compliance demonstration, calculate the organic HAP emitted during the month using Equation 14:

See Image

where:

He is the total monthly organic HAP emitted, kg

p is the number of different coating materials applied in a month

MCi is the sum of the mass of coating material, i, as-applied on intermittently-controlled work stations operating in controlled mode and the mass of coating material, i, as-applied on always-controlled work stations, in a month, kg

Cahi is the monthly average, as-applied, organic HAP content of coating material, i, expressed as a mass fraction, kg/kg

Rv is the organic volatile matter collection and recovery efficiency, percent

MBi is the sum of the mass of coating material, i, as-applied on intermittently-controlled work stations operating in bypass mode and the mass of coating material, i, as-applied on never-controlled workstations, 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.

(d) For each web coating line or group of web coating lines for which you use the provisions of sub. (14) (b) 2. b. or (c) 3. b. on using a performance test to determine capture efficiency and control device efficiency, calculate the organic HAP emitted during the month using Equation 15:

See Image

where:

He is the total monthly organic HAP emitted, kg

p is the number of different coating materials applied in a month

MCi is the sum of the mass of coating material, i, as-applied on intermittently-controlled work stations operating in controlled mode and the mass of coating material, i, as-applied on always-controlled work stations, in a month, kg

Cahi is the monthly average, as-applied, organic HAP content of coating material, i, expressed as a mass fraction, kg/kg

R is the overall organic HAP control efficiency, percent

MBi is the sum of the mass of coating material, i, as-applied on intermittently-controlled work stations operating in bypass mode and the mass of coating material, i, as-applied on never-controlled work stations, 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.

(16) ALWAYS-CONTROLLED WORK STATIONS WITH MORE THAN ONE CAPTURE AND CONTROL SYSTEM. If you operate more than one capture system or more than one control device and only have always-controlled work stations, you are in compliance with the emission standards in s. NR 466.23(1) (b) 1. for the month if for each web coating line or group of web coating lines controlled by a common control device you satisfy one of the following:

(a) The volatile matter collection and recovery efficiency as determined by sub. (9) (a) 1., 3., 5. and 6. is at least 95% at an existing affected source and at least 98% at a new affected source.

(b) The overall organic HAP control efficiency as determined by sub. (9) (b) 1. to 4. for each web coating line or group of web coating lines served by that control device and a common capture system is at least 95% at an existing affected source and at least 98% at a new affected source.

(c) The overall organic HAP control efficiency as determined by sub. (11) (a) 1. to 3. and (b) 1. for each web coating line or group of web coating lines served by that control device and a common capture system is at least 95% at an existing affected source and at least 98% at a new affected source.

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