Sec. 228-1.4. Requirements for controlling VOC emissions using compliant materials

(a) Class A coating line.

A facility performing a Class A coating process shall not operate unless the following strategies to control VOC emissions are used:

(1) The facility must comply with the application technique requirements of section 228-1.3(e)(3) of this Subpart; and use appropriate emission control measures.

(2) The facility operating a mobile equipment repair and refinishing or color-matched coating line may not use coatings with VOC contents, as applied, which exceed the limits specified in table A. The units in table A are in terms of pounds of VOC per gallon of coating (minus water and excluded compounds) at application.

Table A

Mobile Equipment Repair and Refinishing or Color-Matched Coating Lines

Coating Category	VOC Content limits (lbs/gal)
Automotive Pretreatment primer	6.5
Automotive Primer-surfacer	4.8
Automobile Primer-sealer	4.6
Automotive Topcoats:
Single stage-topcoat	5.0
2 Stage basecoat/clear coat	5.0
3 or 4 stage basecoat/clear coat	5.2
Automotive Multi-colored	5.7
Automotive Specialty	7.0

(3) The following equation (equation A) must be used to determine if a topcoat, containing two or more coatings, is in compliance with the VOC content limits specified in table A of this Subpart:

Equation A

​

where:

VOC_multi is the VOC content of an as applied multi-stage topcoat, expressed as pounds of VOC per gallon of coating minus water and excluded compounds.

VOC_bc is the VOC content of the as applied basecoat, expressed as pounds of VOC per gallon of coating minus water and excluded compounds.

VOC_mci is the VOC content of the as applied mid-coat(s), expressed as pounds of VOC per gallon of coating minus water and excluded compounds.

VOC_cc is the VOC content of the as applied clear coat, expressed as pounds of VOC per gallon of coating minus water and excluded compounds.

M is the number of mid-coats.

(4) Anti-corrosive wax and heat resistant anti-corrosive coatings used in mobile equipment repair and refinishing are not subject to the VOC limitations of paragraph (a)(2) of this section or the application requirements of section 228-1.3(e)(3) of this Subpart.

(b) Class B coating line.

Unless the appropriate emission control requirements of section 228-1.5 of this Subpart have been met or a process specific RACT variance has been granted in accordance with section 228-1.5(e) of this Part, a facility performing a class B coating process shall not operate unless the following strategies to control VOC emissions are used. The VOC content limits for class B coating lines can be met by averaging the VOC content of the materials used on a single surface coating unit each day (i.e., daily within- coating unit averaging).

(1) Metal furniture coatings.

(i) A facility applying metal furniture coatings must use application techniques as specified in section 228-1.3(e)(3) of this Subpart.

(ii) A facility applying metal furniture coatings may not use coatings with VOC contents, as applied, which exceed the limits specified in table B1. The facility must specify the use of baked or air dried limits for the purpose of compliance and recordkeeping. The units in table B1 are in terms of weight (kilograms or pounds) of VOC per volume (liters or gallons) of coating (minus water and excluded compounds) at application.

Table B1

Metal Furniture Coating

Coating Categories	VOC Content Limits
	Baked		Air Dried
	kg/l	lb/gal	kg/l	lb/gal
General, One Component	0.275	2.3	0.275	2.3
General, Multi-Component	0.275	2.3	0.340	2.8
Extreme High Gloss	0.360	3.0	0.340	2.8
Extreme Performance	0.360	3.0	0.420	3.5
Heat Resistant	0.360	3.0	0.420	3.5
Metallic	0.420	3.5	0.420	3.5
Pretreatment Coatings	0.420	3.5	0.420	3.5
Solar Absorbent	0.360	3.0	0.420	3.5

(iii) The following types of coatings and coating operations are exempt from the VOC content limits specified in Table B1:

(a) stencil coatings;

(b) safety-indicating coatings;

(c) solid-film lubricants;

(d) electric-insulating and thermal-conducting coatings;

(e) touch-up and repair coatings; and

(f) coating application utilizing hand-held aerosol cans.

(2) Large appliance coating.

(i) A facility applying large appliance coatings must use application techniques as specified in section 228-1.3(e)(3) of this Subpart.

(ii) A facility applying large appliance coatings may not use coatings with VOC contents, as applied, which exceed the limits specified in table B2. The facility must specify the use of baked or or air dried limits for the purpose of compliance and recordkeeping. The units in table B2 are in terms of (kilograms or pounds) of VOC per volume (liters or gallons) of coating (minus water and excluded compounds) at application.

Table B2

Large Appliance Coatings

Coating Categories	VOC Content Limits
	Baked		Air Dried
	kg/l	lb/gal	kg/l	lb/gal
General, One Component	0.275	2.3	0.275	2.3
General, Multi-Component	0.275	2.3	0.340	2.8
Extreme High Gloss	0.360	3.0	0.340	2.8
Extreme Performance	0.360	3.0	0.420	3.5
Heat Resistant	0.360	3.0	0.420	3.5
Metallic	0.420	3.5	0.420	3.5
Pretreatment Coatings	0.420	3.5	0.420	3.5
Solar Absorbent	0.360	3.0	0.420	3.5

(iii) The following types of coatings and coating operations are exempt from the VOC content limits of table B2:

(a) stencil coatings;

(b) safety-indicating coatings;

(c) solid-film lubricants;

(d) electric-insulating and thermal-conducting coatings;

(e) touch-up and repair coatings; and

(f) coating application utilizing hand-held aerosol cans.

(3) Flat wood paneling.

(i) A facility applying coatings in the production of flat wood paneling may not use coatings with VOC concentrations, as applied, which exceed the limits specified in table B3. The units in table B3 are in terms of weight (grams or pounds) of VOC per volume (liters or gallons) of coating (minus water and excluded compounds) at application.

Table B3

Flat Wood Paneling

Coating Categories	VOC Content Limits
	pounds VOC/per gallon	grams VOC/per liter
Printed interior panels made of hardwood, plywood, or thin particleboard	2.1	250
Natural finish hardwood plywood	2.1	250
Class II finishes on hardboard panels	2.1	250
Tileboard	2.1	250
Exterior siding	2.1	250

(4) Miscellaneous metal parts coatings.

(i) A facility applying miscellaneous metal parts coatings must use application techniques as specified in section 228-1.3(e)(3) of this Subpart.

(ii) A facility applying miscellaneous metal parts coatings may not use coatings with VOC contents, as applied, which exceed the limits specified in table B4. The facility must specify the use of baked or air dried for the purpose of compliance and recordkeeping. All units in table B4 are in terms of weight (kilograms or pounds) of VOC per volume (liters or gallons) of coating (minus water and excluded compounds) at application.

Table B4

Miscellaneous Metal Parts Coatings

Coating Categories	VOC Content Limits
	Air Dried		Baked
	kg VOC/l	lb VOC/gal	kg VOC/l	lb VOC/gal
General One-Component	0.34	2.8	0.28	2.3
General Multi-Component	0.34	2.8	0.28	2.3
Camouflage	0.42	3.5	0.42	3.5
Electric-Insulating Varnish	0.42	3.5	0.42	3.5
Etching Filler	0.42	3.5	0.42	3.5
Extreme High-Gloss	0.42	3.5	0.36	3.0
Extreme Performance	0.42	3.5	0.36	3.0
Heat-Resistant	0.42	3.5	0.36	3.0
High Performance Architectural	0.74	6.2	0.74	6.2
High Temperature	0.42	3.5	0.42	3.5
Metallic	0.42	3.5	0.42	3.5
Military Specification	0.34	2.8	0.28	2.3
Mold Seal	0.42	3.5	0.42	3.5
Pan Backing	0.42	3.5	0.42	3.5
Prefabricated Architectural Components	0.42	3.5	0.28	2.3
Pretreatment Coatings	0.42	3.5	0.42	3.5
Repair and Touch-up	0.42	3.5	0.36	3.0
Silicone Release	0.42	3.5	0.42	3.5
Solar-Absorbent	0.42	3.5	0.36	3.0
Vacuum-Metalizing	0.42	3.5	0.42	3.5
Drum Coating, New, Exterior	0.34	2.8	0.34	2.8
Drum Coating, New, Interior	0.42	3.5	0.42	3.5
Drum Coating, Reconditioned, Exterior	0.42	3.5	0.42	3.5
Drum Coating, Reconditioned, Interior	0.50	4.2	0.50	4.2

(iii) For miscellaneous metal parts coating the following types of coatings and coating operations are exempt from the VOC content limits of table B4:

(a) stencil coating;

(b) safety-indicating coatings;

(c) solid-film lubricants;

(d) electric-insulating and thermal-conducting coatings;

(e) mgnetic data storage disk coatings; and

(f) plastic extruded into metal parts to form a coating.

(5) Miscellaneous plastic parts coatings.

(i) A facility applying miscellaneous plastic parts coatings must use application techniques as specified in section 228-1.3(e)(3) of this Subpart.

(ii) A facility applying miscellaneous plastic parts coatings may not use coatings with VOC contents, as applied, which exceed the limits specified in table B5. The units in table B5 are in terms of weight (kilograms or pounds) of VOC per volume (liters or gallons) of coating (minus water and excluded compounds) at application.

Table B5

Miscellaneous Plastic Parts Coatings

Coating Categories	VOC Content Limit
	Kg VOC/liter	lb VOC/gal
General one component	0.28	2.3
General Multi-Component	0.42	3.5
Electric Dissipating Coatings and Shok-Free Coatings	0.80	6.7
Extreme Performance	0.42 (2-pack coatings)	3.5 (2-pack coatings)
Metallic	0.42	3.5
Military Specification	0.34 (1-Pack) 0.42 (2-Pack)	2.8 (1-Pack) 3.5 (2-Pack)
Mold-Seal	0.76	6.3
Multi-colored Coatings	0.68	5.7
Optical Coatings	0.80	6.7
Vacuum-Metalizing	0.80	6.7

(iii) For miscellaneous plastic parts coating, the following types of coatings and coating operations are exempt from the VOC content limits of table B5:

(a) touch-up and repair coatings;

(b) stencil coatings applied on clear or transparent substrates;

(c) clear or translucent coatings;

(d) coatings applied at a paint manufacturing facility while conducting performance tests on the coatings;

(e) any individual coating category used in volumes less than 50 gallons in any 12 month period, if substitute compliant coatings are not available, provided that the total usage of all such coatings does not exceed 200 gallons in a 12 month period. Records of such coating must be maintained in accordance with section 228-1.3(b)(2) of this Subpart of the general requirements;

(f) reflective coating applied to highway cones;

(g) mask coatings that are less than 0.5 millimeters thick (dried) and the area coated is less than 25 square inches;

(h) EMI/RFI shielding coatings; and

(i) heparin-benzalkonium chloride (HBAC)-containing coatings applied to medical devices, provided that the total usage of all such coatings does not exceed 100 gallons in a 12 month period. Records of such low use coating must be maintained in accordance with section 228-1.3(b)(2) of this Subpart of the general requirements.

(iv) For miscellaneous plastic parts coating using an airbrush coating operation, the application requirements of section 228-1.3(e)(3) of this Subpart do not apply provided less than five gallons per 12-month period is used. Records of such coatings must be maintained in accordance with section 228-1.3(b)(2) of this Subpart of the general requirements.

(6) Automotive/transportation and business machine plastic parts coatings.

(i) A facility applying automotive/transportation and business machine plastic parts coatings must use application techniques as specified in section 228-1.3(e)(3) of this Subpart.

(ii) A facility applying coatings to automotive/transportation and business machine plastic parts may not use coatings with VOC contents, as applied, which exceed the limits specified in table B6. The units in table B6 are in terms of weight (kilograms or pounds) of VOC per volume (liters or gallons) of coating (minus water and excluded compounds) at application.

Table B6

Automotive/Transportation and Business Machine Plastic Parts

Coating Category	VOC Content Limits
	Kg VOC/liter	Lbs VOC/gal
Automotive/Transportation Coatings
High bake coatings- interior and exterior parts
Flexible primer	0.54	4.5
Non-flexible primer	0.42	3.5
Base coats	0.52	4.3
Clear coats	0.48	4.0
Non base coat/clearcoat	0.52	4.3
Low bake /Air dried coatings-exterior Parts
Primers	0.58	4.8
Basecoat	0.60	5.0
Clearcoats	0.54	4.5
Non base coat/clearcoat	0.60	5.0
Lowbake/ air dried coatings-interior parts	0.60	5.0
Touchup and repair coatings	0.62	5.2
Business Machine Coatings
Primers	0.35	2.9
Topcoats	0.35	2.9
Texture coats	0.35	2.9
Fog coats	0.26	2.2
Touchup and repair	0.35	2.9

(iii) For coating automotive/transportation and business machine plastic parts, the following types of coatings and coating operations are exempt from the VOC content limits of table B6:

(a) texture coatings;

(b) vacuum metalizing coatings;

(c) gloss reducers;

(d) texture topcoats;

(e) adhesion primers;

(f) electrostatic preparation coatings;

(g) resist coatings; and

(h) stencil coatings.

(iv) For red, yellow and black automotive coatings, except touch up and repair coatings, the limits in table B6 may be multiplied by 1.15 for compliance.

(7) Marine pleasure craft surface coating.

(i) A facility applying marine pleasure craft surface coatings must use application techniques as specified in section 228-1.3(e)(3) of this Subpart.

(ii) A facility applying coatings to marine pleasure craft surfaces may not use coatings with VOC contents, as applied, which exceed the limits specified in table B7. The units in table B7 are in terms of weight (kilograms or pounds) of VOC per volume (liters or gallons) of coating (minus water and excluded compounds) at application.

Table B7

Marine Pleasure Craft Surface Coating

Coating Category	VOC Content Limits
	Kg VOC/liter	Lbs VOC/gal
Extreme high gloss topcoat	0.49	4.1
High gloss topcoat	0.42	3.5
Pretreatment Wash Primers	0.78	6.5
Finish primer/surfacer	0.42	3.5
High build primer surface	0.34	2.8
Aluminum substrate antifoulant coating	0.56	4.7
Other substrate antifoulant coating	0.33	2.8
All other marine pleasure craft surface coatings for metal or plastic	0.42	3.5

(iii) When applying extreme high gloss coatings to marine pleasure craft surfaces, the application requirements of section 228-1.3(e)(3) of this Subpart do not apply.

(8) Motor vehicle material coatings.

(i) A facility applying motor vehicle material coatings must use application techniques as specified in section 228-1.3(e)(3) of this Subpart.

(ii) A facility applying motor vehicle material coatings may not use coatings with VOC contents, as applied, which exceed the limits specified in table B8. The units in table B8 are in terms of weight (kilograms or pounds) of VOC per volume (liters or gallons) of coating (minus water and excluded compounds) at application.

Table B8

Motor Vehicle Materials

Coating Category	VOC Content Limits
	Kg VOC/liter	Lbs VOC/gal
Cavity wax (motor vehicle)	0.65	5.4
Sealer (motor vehicle)	0.65	5.4
Deadener (motor vehicle)	0.65	5.4
Gasket/gasket sealing material (motor vehicle)	0.20	1.7
Underbody coating (motor vehicle)	0.65	5.4
Trunk interior coating (motor vehicle)	0.65	5.4
Bed liner (motor vehicle)	0.20	1.7
Lubricating wax/compounds (motor vehicle)	0.70	5.8

(9) Automobile and light - duty truck assembly coatings.

(i) The facility applying coatings during automobile and light-duty truck assembly may not exceed the emission rate limits specified in table B9-1. The symbol “R” is the solids turnover solids turnover ratio; which means the ratio of the total volume of coating solids that is added to the electro deposition primer (EDP) system in a calendar month divided by the total volume design capacity of the EDP system.

Table B9-1

Automobile and Light-Duty Truck Assembly

Coating Categories	Required VOC Emission Limit
Electro deposition primer (EDP) operations (including application area, spray/rinse stations, and curing ovens)	When solids turnover ratio (R) ≥ 0.16 0.084 kg VOC/liter (lb/gal) coating solids applied	When 0.04 ≤ R < 0.16 0.084X3500.16-R kg VOC/liter (0.084X 3500.16-RX8.34 lb/gal) coating solids applied	When 0.04 < R No VOC emission limit
Primer-surfacer operations (including application area, flash-off area, and oven)	1.44 of VOC/liter of deposited solids (12.0 lbs VOC/gal deposited solids) on a daily weighted average basis as determined by following the procedures in the revised Automobile Topcoat Protocol (40 CFR Part 60, Subpart MM ‘Standards of performance for Automobile and Light-Duty Truck Surface Coating Operations’ or ‘Protocol for Determining the Daily VOC emission Rate of Automobile and Light-Duty Truck Primer Surfacer and Topcoat Operations’ (EPA-453/R-08-002)).
Topcoat operations (including application area, flash-off area, and oven)	1.44 of VOC/liter of deposited solids (12.0 lbs VOC/gal deposited solids) on a daily weighted average basis as determined by following the procedures in the revised Automobile Topcoat Protocol.
Combined primer-surfacer and topcoat operations	1.44 of VOC/liter of deposited solids (12.0 lbs VOC/gal deposited solids) on a daily weighted average basis as determined by following the procedures in the revised Automobile Topcoat Protocol.
Final repair operations	0.58 kg/liter (4.8 lb/gal) of coating) less water and exempt compounds on a daily weighted average basis or as an occurrence weighted average.

(ii) The facility applying coatings to miscellaneous materials at an automobile and light-duty truck assembly plant may not exceed the VOC content limits specified in table B9-2. The units in table B9-2 are in terms of weight (grams or pounds) of VOC per volume (liters or gallons) of coating (minus water and excluded compounds) at application.

Table B9-2

Miscellaneous Materials at Automobile and Light-Duty Truck Assembly Facilities

Coating Categories	VOC Content Limit
	g/l	lbs/gal
Glass bonding primer (automobile and light-duty truck)	900	7.51
Adhesives (automobile and light-duty truck)	250	2.09
Cavity wax (automobile and light-duty truck)	650	5.42
Sealer (automobile and light-duty truck)	650	5.42
Deadener (automobile and light-duty truck)	650	5.42
Gasket/gasket sealing material (automobile and light-duty truck)	200	1.67
Underbody coating (automobile and light-duty truck)	650	5.42
Trunk interior coating (automobile and light-duty truck)	650	5.42
Bedliner (automobile and light-duty truck)	200	1.67
Weatherstrip adhesive (automobile and light-duty truck)	750	6.26
Lubricating wax/compounds (automobile and light-duty truck)	700	5.84

(iii) Materials supplied in containers with a net volume of 16 ounces or less, or a net weight of one pound or less are exempt from the VOC content limits of table B9-2.

(iv) Anti-corrosive wax and heat resistant anti-corrosive coatings used in the manufacture of automobile door opening seams and floor pans, respectively are exempt from the VOC content limits of table B9-2.

(v) In addition to the handling storage and disposal requirements of section 228-1.3 “General requirements”, of this Subpart, each facility with a State facility or title V permit which is performing automobile and light duty truck assembly coating must develop, and submit (with their permit application or renewal application) for department approval, a work practice plan to minimize VOC emissions from cleaning and from purging of equipment associated with all coating operations for which emission control requirements are specified in this Subpart. As a minimum, the plan must specify the practices and procedures to ensure that VOC emissions are minimized from the following operations:

(a) vehicle body wiping;

(b) coating line purging;

(c) flushing of coating systems;

(d) cleaning of spray booth grates, walls and equipment; and

(e) cleaning external spray booth areas.

(c) Class C coating line, wood finishing.

(1) Unless the appropriate emission control requirements of section 228-1.5 of this Subpart have been met or a process specific RACT variance has been granted in accordance with section 228-1.5(e) of this Subpart, a facility performing a class C coating process shall not operate unless the following strategies to control VOC emissions are used.

(2) A facility applying wood finishing coatings using a spray gun must use a high volume low pressure (HVLP) spray gun except in the following instances:

(i) the coating being applied emits less than 1.0 kg(lb) VOC per kg (lb) of solids used;

(ii) for the touchup and repair;

(iii) when the spray is automated;

(iv) when add-on controls are employed; or

(v) if the cumulative application is less than 5.0 percent of the total gallons of coating applied.

(3) A facility applying wood finishing coatings may use one of two approaches to comply with VOC content requirements. The facility may not use coatings with VOC contents greater than the limits specified in either table C-1 (Low VOC Topcoats) or table C-2 (High solids Sealers and Topcoats). The facility must specify which table (approach) it will be using for the purpose of compliance and recordkeeping. The units in tables C-1 and C-2 are in terms of weight (kilograms or pounds) of VOC per weight (kilograms or pounds) of applied, which exceed the limits specified in either table C-1 or table C-2.

Table C-1

Wood Finishing VOC Content Limit (Low VOC Topcoats)

Coating Categories	VOC content limit kg VOC/kg solids (lb VOC/lb solids)
Topcoats	0.80

Table C-2

Wood Finishing VOC Content Limit (High Solids Sealers and Topcoats)

Coating Categories	VOC content limit kg VOC/kg solids (lb VOC/lb solids)
Sealer	1.9
Topcoat	1.8
Acid-cured alkyd amino vinyl sealers	2.3
Acid-cured alkyd amino conversion varnish sealers	2.0

(4) In addition to the handling storage and disposal requirements of section 228-1.3, “General requirements” of this Subpart each facility with a state facility or title V permit which is performing wood finishing operations must develop, and submit (with their permit application or renewal application) for department approval, a work practice plan to minimize VOC emissions from cleaning and process operations from all coating operations for which emission control requirements are specified in this Subpart. As a minimum, the plan must specify the practices and procedures to ensure that:

(i) solvents are not being used for spray booth cleaning except when metal filters or conveyors are being cleaned or the spray booth is being refurbished;

(ii) conventional air spray guns are not being used except as specified in paragraph (1) of this subdivision;

(iii) cleaning solvent from gun/line cleaning has been collected into a closed container; and the washoff tank is covered when not in use; and

(iv) the use of wash off and cleaning solvents are tracked.

(d) Class D coating line.

(1) Unless the appropriate emission control requirements of section 228-1.5 of this Subpart have been met or a process specific RACT variance has been granted in accordance with section 228-1.5(e) of this Subpart, a facility performing a class D coating process shall not operate unless the following strategies to control VOC emissions are used.

(2) The facility applying coatings to magnet wire, metal cans, coils, vinyl and fabric may not use coatings with VOC contents, as applied, which exceed the limits specified in table D-1. The units in table D-1 are in terms of pounds of VOC per gallon of coating (minus water and excluded compounds) at application.

Table D-1

Magnet Wire, Metal Can, Coil, Vinyl, and Fabric Coating Lines

Coating Lines	Description of Product or Coating Category	VOC Content Limit Lb VOC/ gal coating
Magnet wire insulation coating lines	Enameling or varnish of aluminum or copper wire for use in electrical machinery to create an electromagnetic field	1.7
Metal can coating lines	Sheet basecoat-exterior and interior over-varnish	2.8
	Two-piece can exterior (basecoat and over-varnish)	2.8
	Two-and three-piece can interior body spray	4.2
	Two-piece can exterior end (spray or roll coat)	4.2
	Three-piece can side-seam spray	5.5
	End sealing compounds	3.7
Coil coating lines	Flat metal sheet from a coil or roll which is coated and later used for items, including but not limited to: cans, appliances, roof decks, siding, cars, and gutters	2.6
Vinyl coating lines	Printing, decorations or protecting coats over vinyl-coated fabric or vinyl sheets	3.8
Fabric coating lines	Fabric coatings, including but limited to: rubber that is used for rainwear, tents, and industrial gaskets	2.9

(3) The facility applying coatings to paper film and foil may not use coatings with VOC contents, as applied, which exceed the limits specified in table D-2. The units in table D-2 are in terms of weight of VOC per weight of coating applied.

Table D-2

Paper Film and Foil

Coating Categories	Kg VOC/kg coating or Lb VOC/lb coating
Pressure sensitive tape and label surface coating	0.067
Paper, film, and foil	0.08

(i) The VOC content limits in table D-2 can be met by averaging the VOC content of the materials used on a single surface coating line (i.e., daily with-in-line averaging).

(ii) Materials used to form unsupported substrates, such as calendaring of vinyl, brown film, cast film, extruded film and co-extruded film are not considered coating for the purpose of table D-2.

(e) Class E coating Line.

(1) Unless the appropriate emission control requirements of section 228-1.5 of this Subpart have been met or a process specific RACT variance has been granted in accordance with section 228-1.5(e) of this Subpart, a facility performing a class E coating process shall not operate unless the following conditions are met.

(2) The VOC content limits specified in table E must not be exceeded. Table E units are in terms of pounds of VOC per gallon of coating (minus water and excluded compounds) at application.

Table E

Tablet, Glass, Leather, Aerospace, Urethane

Coating Category	VOC Content limits Lb VOC/gal coating
Tablet coating lines
Formed pharmaceutical products, including but not limited to: pills and capsules.	5.5
Glass coating lines
Lamps, incandescent light bulbs and miscellaneous glass products.	3.0
Fluorescent light bulbs.	4.1
Leather coating lines
Leather substrates, including but not limited to: clothing, furniture, and automobile components.	5.8
Aerospace coating lines
Aerospace components, including but not limited to: assembly parts or completed unit of any aircraft, helicopter or missile.
Primer	2.9
Topcoat	5.1
Maskant for chemical processing	5.1
Urethane coating lines
Urethane substrates that are more than 50 micrometers (0.002 inches) thick, except for resilient floor covering and flexible packaging.	3.8

(3) Aerospace coatings which are utilized for pretreatment, adhesive bonding primers, flight testing, fuel tanks, electric/radiation effects, space vehicles and temporary mechanical maskant/high temperature heat treatment are not subject to the VOC limits of this section.