2004 PHMSA Interagency Agreement Liquefied Natural Gas

To ensure each participating agency works in a coordinated manner to address issues regarding safety and security at waterfront LNG facilities, to avoid duplication of effort, and to maximize the exchange of relevant information.

LNG Exclusion Zones

Exclusion zones are established to protect the public from the potential consequences of an unintended release of LNG. Operators are required to legally control all activities in the area surrounding an LNG facility which...

LNG Safety

LNG takes up 1/600th of the volume of the gaseous state of natural gas, but retains all of the energy potential.  Thus, the energy potential of a specific volume of LNG is significantly greater than the same volume of natural gas in its gaseous state.  The safety of LNG facilities...

Examples of 49 CFR Part 193 Jurisdiction

Jurisdiction of LNG Plants

Several federal agencies play a role in the oversight of LNG facilities. The schematic below provides a high level view of the federal oversight of the LNG value chain.

The Natural Gas Pipeline Safety Act of 1968, as...

LNG Facility Siting

There are more than 160 LNG facilities operating in the U.S. performing a variety of services. LNG is produced (liquefied), stored, transported, and readied for use (regasified) in several types of facilities. Some facilities export natural gas from the U.S., some provide natural gas supply to...

Liquefied Natural Gas Overview

Natural gas plays a vital role in the U.S. energy supply. It is widely used as a fuel for residential, commercial and industrial purposes. Liquefied natural gas (LNG) is processed natural gas that has been condensed into a liquid form by reducing its temperature to approximately...

Pipeline Technical Resources Overview

The Pipeline and Hazardous Materials Safety Administration, Office of Pipeline Safety, provides technical information on selected pipeline safety topics. This information is oriented primarily toward operators to provide information useful for complying with the pipeline safety...

Spanish TIHWR Table 3 ERG2020

Spanish TIHWR Table 2 ERG2020