Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Categorical Exclusion Determination
Office of NEPA Policy and Compliance
July 28, 2017
Estimated Read Time min
Concentrations of methane will be measured in ambient air around industrial natural gas meters and above underground plastic natural gas pipeline leaks. Flow rates will be determined if there are leaks.
