Approval & Permits Procedures & Policies

The materials contained in these documents consist of guidance and other information for PHMSA's Office of Hazardous Materials Safety (OHMS) and its supporting program offices. This document is issued exclusively for the internal management of PHMSA and the guidance of its officers and...

Explosive Program Reform Memo

Special Permits Program Desk Guide

Approvals Program Desk Guide

Florida Public Service Commission’s Cast Iron Update (July 2, 2012)

Federal Energy Regulatory Commission (FERC) Support Letter to USDOT (November 21, 2011)

FERC Letter to PHMSA (March 22, 2012)

Enterprise for Education Report: Effectiveness of Safe at Home/Safe at School Pipeline Safety Program – Implemented in the Greater Houston Area 2007-2010

Delaware Public Service Commission’s Cast Iron Replacement Update (August 7, 2012)

Baltimore Gas and Electric’s (BGE) Presentation at USDOT Pipeline Emergency Response Forum: “Pipeline Operator Perspective – Distribution” (December 9, 2011)