Code of Federal Regulations (Last Updated: May 6, 2024) |
Title 49 - Transportation |
Subtitle B - Other Regulations Relating to Transportation |
Chapter I - Pipeline and Hazardous Materials Safety Administration, Department of Transportation |
SubChapter D - Pipeline Safety |
Part 193 - Liquefied Natural Gas Facilities: Federal Safety Standards |
Subpart C - Design |
LNG Storage Tanks |
§ 193.2191 - Stratification.
Latest version.
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LNG storage tanks with a capacity of 5,000 barrels (795 cubic meters) or more must be equipped with means to mitigate a potential for rollover and overpressure such as:
(a) Selective filling at the top and bottom of the tank;
(b) Circulating liquid from the bottom to the top of the same tank; or
(c) Transferring liquid selectively from the bottom of the tank to the bottom or top of any adjacent storage tank.