NSPS Notebook
Equipment Leaks of VOC in Petroleum Refineries -  Subpart GGGa

Applicability: eCFR Subpart GGGa [ecfr.gov]

This subpart applies to:
  1. Affected facilities at petroleum refineries that commence construction, modification, or reconstruction after Nov 7, 2006.
Addition or replacement of equipment for the purpose of process improvement, without capital expenditure, is not, by itself, considered a modification.

Affected facilities:
  1. Compressors;
  2. Any of the following in VOC service within a process unit:
    1. Valves;
    2. Pumps;
    3. Pressure relief devices;
    4. Sampling connection systems;
    5. Open-ended valves or lines;
    6. Flanges or other connectors.
Affected facilities that commenced construction, reconstruction, or modification after January 4, 1983 and on or before November 7, 2006 are subject to NSPS GGG.

Not subject to this subpart:
  1. Facilities subject to NSPS VV or VVa.
  2. Facilities subject to NSPS GGG.
  3. Facilities subject to NSPS KKK.
Known Sources in NDEE Jurisdiction:
Date of Original Final Rule: 11/16/07
Amendments Dates: 06/02/2008 (73 FR 31376)
State Regulations: Title 129, Chapter 12, Section 001.59

Previously: Chapter 18, Section 001.78 (as amended as of 7/1/2009)
Federal Regulations: 40 CFR 60.590a
Related Rules:

NSPS - 40 CFR Part 60

Subparts J and Ja - Petroleum Refineries
Subparts VV and VVa - VOC equipment leaks
Subpart GGG - Equipment Leaks at Refineries (on or before Nov 7, 2006)
Subpart KKK - Leaks at onshore natural gas processing plants
Subpart QQQ - Wastewater Treatment at Refineries

NESHAP - 40 CFR Part 63
Subpart CC - Petroleum Refineries
Subpart UUU - Catalytic Cracking Units, Catalytic
Reforming Units, and Sulfur Recovery Units at Petroleum Refineries
Regulations and Federal Registers: eCFR Subpart GGGa [ecfr.gov]

(See attached file: 2V-2Va-3G-3Ga Fed. Reg. 2008-06-02 - Partial Stay.pdf)

SizeFile Name
47 KB 2V-2Va-3G-3Ga Fed. Reg. 2008-06-02 - Partial Stay.pdf
FAQs, Fact Sheets, and Rule Summaries: TCEQ Flow Chart [tceq.texas.gov]
Other Information and Resources:
Page Last Updated: 12/21/22