Air Toxics Notebook
Large Appliance Surface Coating -  Subpart NNNN

Applicability: eCFR Subpart NNNN []

Applies to major source of HAP that conducts surface coating operations on large appliances. Large appliances include cooking equipment, refrigerators, freezers, refrigerated cabinets and cases, laundry equipment, dishwashers, trash compactors, water heaters, heating, ventilation, and air conditioning units (HVAC), air conditioning and heating combination units, comfort furnaces, and electric heat pumps. Specifically excluded are heat transfer coils and large commercial and industrial chillers.
Rules apply to small, area sources? No
Known Sources in NDEQ Jurisdiction:

Date of Original Final Rule: 7/23/02
Amendments Dates:
State Regulations (Title 129): Title 129,Chapter 28, Section 001.62. Sources are also responsible for ensuring they are in compliance with current federal requirements found for this subpart in the CFR.
Federal Regulations: 40 CFR 63.4080
Related Rules:

NSPS – 40 CFR Part 60

Subpart SS - Large Appliance Surface Coating

NESHAP - 40 CFR Part 63
Subpart MMMM - Misc. Metal Products Surface Coating
Subpart RRRR - Metal Furniture Surface Coating
Subpart SSSS - Metal Coil Surface Coating
Regulations and Federal Registers:
eCFR Subpart NNNN []

(See attached file: 4N - Fed. Reg. 2002-07-23 - Final Rule.pdf)

SizeFile Name
325 KB 4N - Fed. Reg. 2002-07-23 - Final Rule.pdf
Important Dates:
FAQs, Fact Sheets, and Rule Summaries: EPA's Subpart NNNN Website [] - contains federal register notices and implementation tools
Presentations, Training and Articles:
Other Information and Resources: (See attached file: EPA Surface coating rules overlap.pdf)
SizeFile Name
367 KB EPA Surface coating rules overlap.pdf
Page Last Updated: 6/22/18