Protecting Oregon's Environment
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Oregon Department of Environmental Quality


Liquefied Natural Gas 

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Liquefied Natural Gas

Liquefied Natural Gas, commonly referred to as LNG, is a fuel source that has been super-cooled to a liquid at -260 degrees Fahrenheit. As a result of the cooling process, the volume of the gas is significantly reduced, making it more economical to transport. After transport, the liquid is reheated. As it warms, it also increases in volume. The gas is then sent out via pipelines and used as a source of energy.

How LNG Projects are Permitted

A number of federal and state agencies are responsible for permitting LNG projects. The Federal Energy Regulatory Commission is responsible for deciding where to allow a liquefied natural gas facility to operate. If the project gains federal approval, a number of state agencies review the permits. The Oregon Department of Energy reviews the project to determine whether the proposed location for the project is appropriate. Their authority falls under the Oregon Energy Facility Siting Council. The Oregon Department of Land Conservation and Development also reviews the project to determine whether the project is consistent with Oregon’s Coastal Zone Management Act.

Oregon DEQ's Role

DEQ reviews and ensures compliance with a number of permits, including water and air quality. It also reviews response plans for waste disposal and spills.

Recently Proposed LNG Projects

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Oregon Department of Environmental Quality
Headquarters: 700 NE Multnomah Street, Suite 600, Portland, OR 97232
Phone: 503-229-5696 or toll free in Oregon 1-800-452-4011
Oregon Telecommunications Relay Service: 1-800-735-2900  FAX: 503-229-6124

The Oregon Department of Environmental Quality is a regulatory agency authorized to protect Oregon's environment by
the State of Oregon and the Environmental Protection Agency.

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