Air Toxics Notebook
Flexible Polyurethane Foam Production & Fabrication Area Sources -  Subpart OOOOOO

Applicability: eCFR Subpart OOOOOO [ecfr.gov]

You are subject to this subpart if you own or operate an area source of hazardous air pollutant (HAP)* emissions that meets one of the following criteria:
1. plant that produces flexible polyurethane foam or rebond foam
2. flexible polyurethane foam fabrication faciltiy

*An area source of HAP has the potential to emit <10 tons per year (tpy) of a single HAP or <25 tpy of a combination of HAPs.
Rules apply to small, area sources? Yes
Known Sources in NDEE Jurisdiction:
No
Date of Original Final Rule: 7/16/07
Amendments Dates: 02/12/2021 - Pre-publication proposed rule
01/11/2021 - Proposed rule
03/26/2008 - Direct Final Rule
07/16/2007 - Final Rule
State Regulations (Title 129): As of September 28, 2022: Title 129, Chapter 13, Section 002.105

Previously: Chapter 28, Section 001.99.

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 63.11414
Related Rules:

NESHAP - 40 CFR Part 63

Subpart III - Flexible Polyurethane Foam Production
Subpart MMMMM - Flexible Polyurethane Foam Fabrication Operations
Subpart LLLLLL - Acrylic & Modacrylic Fibers Production
Regulations and Federal Registers:
eCFR Subpart OOOOOO [ecfr.gov]
(See attached file: 6O - Fed. Reg. 2021-02-12 - Pre-publication Proposed Rule.pdf)
(See attached file: 6O - Fed. Reg. 2021-01-11 - Proposed Rule.pdf)
(See attached file: 6O - Fed. Reg. 03-26-2008- Direct Final Rule.pdf)

(See attached file: 6O - Fed. Reg. 07-16-2007 - Final Rule.pdf)

SizeFile Name
237 KB 6O - Fed. Reg. 2021-02-12 - Pre-publication Proposed Rule.pdf
351 KB 6O - Fed. Reg. 2021-01-11 - Proposed Rule.pdf
176 KB 6O - Fed. Reg. 03-26-2008- Direct Final Rule.pdf
426 KB 6O - Fed. Reg. 07-16-2007 - Final Rule.pdf
Forms:
Important Dates:
FAQs, Fact Sheets, and Rule Summaries: EPA's Area Source Rule Website [epa.gov] - contains the federal register notices and guidance documents for many of the area source rules
Presentations, Training and Articles:
Other Information and Resources:
Notes:
Page Last Updated: 12/2/22