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Title 40

Displaying title 40, up to date as of 7/08/2026. Title 40 was last amended 7/08/2026.
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  1. Title 40 —Protection of Environment
  2. Chapter I —Environmental Protection Agency
  3. Subchapter C —Air Programs
  4. Part 63 —National Emission Standards for Hazardous Air Pollutants for Source Categories
  5. Subpart IIII   View Full Text
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eCFR Content

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Title 40Protection of EnvironmentPart / Section
Chapter IEnvironmental Protection Agency1 – 1099
Subchapter CAir Programs50 – 99
Part 63National Emission Standards for Hazardous Air Pollutants for Source Categories63.1 – 63.12099
Subpart IIIINational Emission Standards for Hazardous Air Pollutants: Surface Coating of Automobiles and Light-Duty Trucks63.3080 – 63.3176
What This Subpart Covers63.3080 – 63.3083
§ 63.3080What is the purpose of this subpart?
§ 63.3081Am I subject to this subpart?
§ 63.3082What parts of my plant does this subpart cover?
§ 63.3083When do I have to comply with this subpart?
Emission Limitations63.3090 – 63.3094
§ 63.3090What emission limits must I meet for a new or reconstructed affected source?
§ 63.3091What emission limits must I meet for an existing affected source?
§ 63.3092How must I control emissions from my electrodeposition primer system if I want to comply with the combined primer-surfacer, topcoat, final repair, glass bonding primer, and glass bonding adhesive emission limit?
§ 63.3093What operating limits must I meet?
§ 63.3094What work practice standards must I meet?
General Compliance Requirements63.3100 – 63.3101
§ 63.3100What are my general requirements for complying with this subpart?
§ 63.3101What parts of the General Provisions apply to me?
Notifications, Reports, and Records63.3110 – 63.3131
§ 63.3110What notifications must I submit?
§ 63.3120What reports must I submit?
§ 63.3130What records must I keep?
§ 63.3131In what form and for how long must I keep my records?
Compliance Requirements for Adhesive, Sealer, and Deadener63.3150 – 63.3152
§ 63.3150By what date must I conduct the initial compliance demonstration?
§ 63.3151How do I demonstrate initial compliance with the emission limitations?
§ 63.3152How do I demonstrate continuous compliance with the emission limitations?
Compliance Requirements for the Combined Electrodeposition Primer, Primer-Surfacer, Topcoat, Final Repair, Glass Bonding Primer, and Glass Bonding Adhesive Emission Limitations63.3160 – 63.3169
§ 63.3160By what date must I conduct initial performance tests and other initial compliance demonstrations?
§ 63.3161How do I demonstrate initial compliance?
§ 63.3162 [Reserved]
§ 63.3163How do I conduct periodic performance tests and demonstrate continuous compliance with the emission limitations?
§ 63.3164What are the general requirements for performance tests?
§ 63.3165How do I determine the emission capture system efficiency?
§ 63.3166How do I determine the add-on control device emission destruction or removal efficiency?
§ 63.3167How do I establish the add-on control device operating limits during performance tests?
§ 63.3168What are the requirements for continuous parameter monitoring system installation, operation, and maintenance?
§ 63.3169What are the requirements for a capture system or add-on control device which is not taken into account when demonstrating compliance with the applicable emission limitations?
Compliance Requirements for the Combined Primer-Surfacer, Topcoat, Final Repair, Glass Bonding Primer, and Glass Bonding Adhesive Emission Limitations and the Separate Electrodeposition Primer Emission Limitations63.3170 – 63.3174
§ 63.3170By what date must I conduct performance tests and other initial compliance demonstrations?
§ 63.3171How do I demonstrate initial compliance?
§ 63.3172 [Reserved]
§ 63.3173How do I demonstrate continuous compliance with the emission limitations?
§ 63.3174What are the requirements for a capture system or add-on control device which is not taken into account when demonstrating compliance with the applicable emission limitations?
Other Requirements and Information63.3175 – 63.3176
§ 63.3175Who implements and enforces this subpart?
§ 63.3176What definitions apply to this subpart?
Table 1 to Subpart IIII of Part 63
Operating Limits for Capture Systems and Add-On Control Devices
Table 2 to Subpart IIII of Part 63
Applicability of General Provisions to Subpart IIII of Part 63
Table 3 to Subpart IIII of Part 63
Default Organic HAP Mass Fraction for Solvents and Solvent Blends
Table 4 to Subpart IIII of Part 63
Default Organic HAP Mass Fraction for Petroleum Solvent Groups a
Table 5 to Subpart IIII of Part 63
List of HAP That Must Be Counted Toward Total Organic HAP Content if Present at 0.1 Percent or More by Mass
Appendix A to Subpart IIII of Part 63
Determination of Capture Efficiency of Automobile and Light-Duty Truck Spray Booth Emissions From Solvent-borne Coatings Using Panel Testing
eCFR Content