Auto & Light Duty Trucks Surface Coating
Air Toxics Notebook
Auto & Light Duty Trucks Surface Coating
eCFR Subpart IIII 
[ecfr.gov]
You are subject to this subpart if you own or operate a new, reconstructed, or existing affected major source in which you choose to include any coating operations which appply coatings to:
1. new other motor vehicle bodies or body parts for new other motor vehicles;
2. parts inteded for use in new automobiles, new light-duty trucks, or new other motor vehicles;
3. aftermarket repar or replacement parts for automobiles, light-duty trucks, or other motor vehicles;
No
11/1/2021 - Minor Technical Correction
7/8/2020 - Final Rule
11/1/2019 - Proposed Rule
04/24/2007 - Direct Final Rule
12/22/2006 - Direct Final Rule
04/26/2004 - Final Rule
As of September 28, 2022: Title 129, Chapter 13, Section 002.62
Previously: Chapter 28, Section 001.87.
Sources are also responsible for ensuring they are in compliance with current federal requirements found for this subpart in the CFR.
NSPS – 40 CFR Part 60
Subpart MM – Auto and Light-Duty Truck Surface Coating Operations
NESHAP - 40 CFR Part 63
Subpart MMMM - Misc. Metal Parts Surface Coating
Subpart HHHHHH - Paint Stripping & Surface Coating (auto body shops - area sources)
Subpart XXXXXX - Metal Fabrication & Finishing
eCFR Subpart IIII 
[ecfr.gov]
EPA's Subpart IIII Website 
[epa.gov] - contains federal register notices and implementation tools