Q443. Archived FAQ: How is the petroleum and natural gas systems source category defined?

A443. Per §98.230, this source category consists of emission sources in the following segments of the petroleum and natural gas industry:
• Onshore petroleum and natural gas production.
• Offshore petroleum and natural gas production.
• Onshore natural gas processing plants.
• Onshore natural gas transmission compression.
• Underground natural gas storage.
• Liquefied natural gas (LNG) storage.
• Liquefied natural gas import and export equipment.
• Natural gas distribution.