Wisconsin Administrative Code
Department of Natural Resources
NR 400-499 - Environmental Protection - Air Pollution Control
Chapter NR 465 - National emission standards for hazardous air pollutants for general surface coating processes
Subchapter I - Wood Furniture Manufacturing Operations
Section NR 465.06 - Compliance methods and procedures

Universal Citation: WI Admin Code § NR 465.06

Current through August 26, 2024

(1) EXISTING SOURCES.

(a) Finishing materials. The owner or operator of an existing affected source shall comply with s. NR 465.04(1) (a) by using any of the following methods:

1. Calculate the average VHAP content for all finishing materials used at the facility using Equation 1, and maintain a value of E no greater than 1.0.

E = (Mc1Cc1 + Mc2Cc2 + ...+ McnCcn + S1W1 + S2W2 +...SnWn)/(Mc1 +Mc2 +...+ Mcn)

(Equation 1)

2. Use compliant finishing materials according to the following criteria:

a. Demonstrate that each stain, sealer and topcoat has a VHAP content of no more than 1.0 kg VHAP/kg solids (1.0 lb VHAP/lb solids), as applied, and each thinner contains no more than 10.0 % VHAP by weight by maintaining certified product data sheets for each coating and thinner.

b. Demonstrate that each washcoat, basecoat and enamel that is not formulated at the affected source by thinning another finishing material has a VHAP content of no more than 1.0 kg VHAP/kg solids (1.0 lb VHAP/lb solids), as applied, and each thinner contains no more than 10.0 % VHAP by weight by maintaining certified product data sheets for each coating and thinner.

c. Demonstrate that each washcoat, basecoat and enamel that is formulated at the affected source is formulated using a finishing material containing no more than 1.0 kg VHAP/kg solids (1.0 lb VHAP/lb solids) and a thinner containing no more than 3.0 % VHAP by weight.

3. Use a control system with an overall control efficiency (R) such that the value of Eac in Equation 2 is no greater than 1.0. The value of Ebc in Equation 2 shall be calculated using Equation 1 in subd. 1.

R = [( Ebc - Eac)/Ebc](100)

(Equation 2)

4. Use any combination of the methods in subds. 1. to 3.

(b) Foam adhesives. The owner or operator of an existing affected source shall comply with s. NR 465.04(1) (b) 1. by using foam adhesives with a VHAP content no greater than 1.8 kg VHAP/kg solids (1.8 lb VHAP/lb solids), as applied.

(c) Other contact adhesives. The owner or operator of an existing affected source shall comply with s. NR 465.04(1) (b) 2. by using either of the following methods:

1. Use contact adhesives with a VHAP content no greater than 1.0 kg VHAP/kg solids (1.0 lb VHAP/lb solids), as applied.

2. Use a control system with an overall control efficiency (R) such that the value of Gac in Equation 3 is no greater than 1.0.

R = [( Gbc - Gac)/Gbc] (100)

(Equation 3)

(2) NEW SOURCES.

(a) Finishing materials. The owner or operator of a new affected source shall comply with s. NR 465.04(2) (a) by using any of the following methods:

1. Calculate the average VHAP content across all finishing materials used at the facility using Equation 1 in sub. (1) (a) 1., and maintain a value of E no greater than 0.8.

2. Use compliant finishing materials according to the following criteria:

a. Demonstrate that each sealer and topcoat has a VHAP content of no more than 0.8 kg VHAP/kg solids (0.8 lb VHAP/lb solids), as applied, each stain has a VHAP content of no more than 1.0 kg VHAP/kg solids (1.0 lb VHAP/lb solids), as applied, and each thinner contains no more than 10.0 % VHAP by weight by maintaining certified product data sheets for each coating and thinner.

b. Demonstrate that each washcoat, basecoat and enamel that is not formulated at the affected source by thinning another finishing material has a VHAP content of no more than 0.8 kg VHAP/kg solids (0.8 lb VHAP/lb solids), as applied, and each thinner contains no more than 10.0 % VHAP by weight by maintaining certified product data sheets for each coating and thinner.

c. Demonstrate that each washcoat, basecoat and enamel that is formulated at the affected source is formulated using a finishing material containing no more than 0.8 kg VHAP/kg solids (0.8 lb VHAP/lb solids) and a thinner containing no more than 3.0 % VHAP by weight.

3. Use a control system with an overall control efficiency (R) such that the value of Eac in Equation 4 is no greater than 0.8. The value of Ebc in Equation 4 shall be calculated using Equation 1 in sub. (1) (a) 1.

R = [(Ebc - Eac)/Ebc](100)

(Equation 4)

4. Use any combination of the methods in subds. 1. to 3.

(b) Contact adhesives. The owner or operator of a new affected source shall comply with s. NR 465.04(2) (b) by using either of the following methods:

1. Use contact adhesives with a VHAP content no greater than 0.2 kg VHAP/kg solids (0.2 lb VHAP/lb solids), as applied.

2. Use a control system with an overall control efficiency (R) such that the value of Gac in Equation 3 in sub. (1)

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