USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

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.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Pipeline Safety: Gas and Hazardous Liquid Pipeline Risk Models

Notice and request for comments; extension of comment period.

PHMSA published a notice in the Federal Register to seek public comments on a report developed to support improvements in gas and hazardous liquid pipeline risk models titled "Pipeline Risk Modeling--Overview of Methods and Tools for Improved Implementation" (Pipeline Risk Modeling Report). PHMSA has received a request to extend the comment period to allow stakeholders more time to evaluate the notice. PHMSA has concurred with this request and has extended the comment period for an additional 30 days.

View PDF