Crude Oil and Natural Gas Production, Transmission, and Distribution - Subpart OOOO
NSPS Notebook
Crude Oil and Natural Gas Production, Transmission, and Distribution - Subpart OOOO
eCFR Subpart OOOO 
[ecfr.gov]
This subpart applies to:
- Owners or operators of onshore affected facilities that commence construction, modification, or reconstruction after Aug 23, 2011, and on or before September 18, 2015.
Affected facilities:
- Gas wellheads
- Centrifugal compressors
- Reciprocating compressors
- Pneumatic controllers
- Storage vessels
- The group of all equipment within a process unit*, except compressors.
- Sweetening units
Hydraulic fracturing and refracturing operations are included in this subpart.
The compliance date for this rule is Oct 15, 2012, or upon startup, whichever is later.
*"Process unit" means components 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.
02/23/2018 - Amendments
06/16/2017 - Proposed Stay
06/03/2016 - Final Rule
09/18/2015 - Proposed Rule
08/16/2012 - Final Rule
Title 129, Chapter 12, Section 001.85
Previously: Chapter 18, Section 001.89.
Sources are also responsible for ensuring they are in compliance with current federal requirements found for this subpart in the CFR.
NSPS - 40 CFR Part 60
Subparts VV and VVa - VOC equipment leaks
Subparts GGG and GGGa - Equipment Leaks at Refineries
Subpart KKK - VOC - leaks at onshore natural gas processing plant
Subpart LLL - SO2 emissions from Onshore Natural Gas Processing Plants
NESHAP - 40 CFR Part 63
Subpart HH - Oil and natural gas production
Subpart HHH - Natural gas transmissions and storage facilities
eCFR Subpart OOOO 
[ecfr.gov]
EPA's Oil & Natural Gas Website 
[epa.gov] - contains rule summaries and regulatory information.