NSPS Notebook
VOC Emissions from the Synthetic Organic Chemical Manufacturing Industry: Air Oxidation Unit Processes -  Subpart III

Applicability: eCFR Subpart III [ecfr.gov]

This subpart applies to:
  1. Affected facilities that produce any of the chemicals listed in 40 CFR 60.617 as a product, co-product, by-product, or intermediate, and that commence construction, modification, or reconstruction after Oct 21, 1983.
Affected facilities:
  1. Air oxidation reactors not discharging their vent stream into a recovery system;
  2. Combination of air oxidation reactors and the recovery system into which its vent stream is discharged;
  3. Combinations of two or more air oxidation reactors and the common recovery system into which their vent streams are discharged.

Partially exempt*:
  1. Affected facilities that have a total resource effectiveness (TRE) index value greater than 4.0.
*Exempt from some rule provisions only. Please see rule text for full details.
Known Sources in NDEE Jurisdiction:
Date of Original Final Rule: 6/29/90
Amendments Dates: 10/17/2000 (65 FR 61744)
12/14/2000 (65 FR 78268)
09/07/1990 (55 FR 36932)
State Regulations: Title 129, Chapter 12, Section 001.61

Previously: Chapter 18, Section 001.60
Federal Regulations: 40 CFR 60.610
Related Rules:

NSPS - 40 CFR Part 60

Subparts VV and VVa - (SOCMI leaks)
Subpart NNN (SOCMI distillation)
Subpart RRR (SOCMI reactor processes);

NESHAP - 40 CFR Part 63
Subpart FFFF - Misc. organic chemical production & processes (MON)
Subparts F/G/H - HON (hazardous organic NESHAP)
Subpart J - Polyvinyl chloride and copolymers production,
Subpart DDDDDD - Polyvinyl chloride and copolymers production,
Subparts U/W/JJJ/OOO - Polymers & Resins
Subpart XX - Ethylene mfg,
Subpart PPP - Polyether polyols production,
Subpart HHHHH - Miscellaneous coating mfg,
Subpart VVVVVV - Chemical mfg,
Subpart BBBBBBB - Chemical preparation
Subpart CCCCCCC - Paints and allied products mfg

40 CFR Part 65
Subpart D - alternative to NSPS Subpart III [ecfr.gov]
Regulations and Federal Registers: eCFR Subpart III [ecfr.gov]
FAQs, Fact Sheets, and Rule Summaries: TCEQ Flowchart [tceq.state.tx.us]
Other Information and Resources:
Page Last Updated: 12/21/22