Shared impoundment.

Current as of 1999-10-01 Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

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When an impounding system serves more than one LNG storage tank, a means must be provided to prevent low temperature or fire resulting from leakage from any one of the storage tanks served causing any other storage tank to leak. The means must not result in a vapor dispersion distance which exceeds the exclusion zone required by § 193.2059.

[Amdt. 193-1, 45 FR 57419, Aug. 28, 1980]

Meanings are ordered from the narrowest applicable scope.

Exclusion zonebinding

means an area surrounding an LNG facility in which an operator or government agency legally controls all activities in accordance with § 193.2057 and § 193.2059 for as long as the facility is in operation.

49 CFR 193.2007Applies at 49 CFR Part 193 scope

Impounding systembinding

includes an impounding space, including dikes and floors for conducting the flow of spilled hazardous liquids to an impounding space.

49 CFR 193.2007Applies at 49 CFR Part 193 scope

Storage tankbinding

means a container for storing a hazardous fluid.

49 CFR 193.2007Applies at 49 CFR Part 193 scope

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Record details

Retrieved: Aug 12, 2026
Version: 1999-10-01

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