NSPS Notebook
Equipment Leaks of VOC from Onshore Natural Gas Processing Plants -  Subpart KKK

Applicability: eCFR Subpart KKK [ecfr.gov]

This subpart applies to:
  1. Affected facilities in onshore natural gas processing plants that commence construction, reconstruction, or modification after January 20, 1984 and on or before August 23, 2011.
Those that commence construction, modification, or reconstruction after August 23, 2011 are subject to NSPS OOOO.

Affected facilities:
  1. A compressor in VOC service or in wet gas service.
  2. All equipment within a process unit except compressors.
  3. A compressor station, dehydration unit, sweetening unit, underground storage tank, field gas gathering system, or liquefied natural gas unit that are located at an onshore natural gas processing plant.

Definition of "Process unit":
  1. Equipment assembled for the extraction of natural gas liquids from field gas, the fractionation of the liquids into natural gas products, or other operations associated with the processing of natural gas products.

Not subject to this subpart:
  1. Facilities subject to NSPS VV or GGG.
  2. A compressor station, dehydration unit, sweetening unit, underground storage tank, field gas gathering system, or liquefied natural gas unit that is not located at the plant site.
Known Sources in NDEE Jurisdiction:
Date of Original Final Rule: 6/24/85
Amendments Dates: 10/17/2000 (65 FR 61744)
1/21/1986 (51 FR 2702)
State Regulations: Title 129, Chapter 12, Section 001.63

Previously: Chapter 18, Section 001.12
Federal Regulations: 40 CFR 60.630
Related Rules:

NSPS - 40 CFR Part 60

Subparts VV and VVa - VOC equipment leaks
Subparts GGG and GGGa - Equipment Leaks at Refineries
Subpart LLL - SO2 emissions from Onshore Natural Gas Processing Plants
Subpart OOOO - Natural gas processing plants

NESHAP - 40 CFR Part 63
Subpart HH - Oil and natural gas production
Subpart HHH - Natural gas transmissions and storage facilities
Regulations and Federal Registers: eCFR Subpart KKK [ecfr.gov]

(See attached file: 3K-3L-4O - Fed. Reg. 2012-08-16 - Final Rule.pdf)

(See attached file: 3K-3L-4O - Fed. Reg. 2011-08-23 - Proposed Rule.pdf)

(See attached file: 3K - Fed. Reg. 1986-01-21 - Final rule.pdf)

SizeFile Name
1,046 KB 3K-3L-4O - Fed. Reg. 2012-08-16 - Final Rule.pdf
772 KB 3K-3L-4O - Fed. Reg. 2011-08-23 - Proposed Rule.pdf
1,566 KB 3K - Fed. Reg. 1986-01-21 - Final rule.pdf
FAQs, Fact Sheets, and Rule Summaries: EPA's Oil & Natural Gas Website [epa.gov] - contains rule summaries and regulatory information.

Rule Flowchart - Texas CEQ [tceq.state.tx.us]

Other Information and Resources:
Notes:
Page Last Updated: 12/21/22