Air Toxics Notebook
Acrylic & Modacrylic Fibers Production -  Subpart LLLLLL

Applicability: eCFR Subpart LLLLLL [ecfr.gov]

Applies to area sources* of HAP that manufacture polymeric organic fibers using acrylonitrile as a primary monomer.

*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: 03/26/2008 - Direct Final Rule
07/16/2007 - Final Rule
State Regulations (Title 129): Title 129, Chapter 13, Section 002.102

Previously: Chapter 28, Section 001.96.

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 63.11393
Related Rules:

NESHAP - 40 CFR Part 63

Subpart III - Flexible Polyurethane Foam Production
Subpart MMMMM - Flexible Polyurethane Foam Fabrication Operations
Subpart OOOOOO - Acrylic & Modacrylic Fibers Production
Regulations and Federal Registers:
eCFR Subpart LLLLLL [ecfr.gov]

(See attached file: 6L - Fed. Reg. 03-26-2008- Direct Final Rule.pdf)

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

SizeFile Name
176 KB 6L - Fed. Reg. 03-26-2008- Direct Final Rule.pdf
426 KB 6L - 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: 1/25/23