Code of Federal Regulations (Last Updated: October 10, 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 |
Impoundment Design and Capacity |
§ 193.2169 - Gas leak detection.
Latest version.
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Appropriate areas within an impounding system where collection or passage of LNG or LNG vapor could be expected must be equipped with sensing and warning devices to monitor continuously for the presence of LNG or LNG vapor and to warn before LNG gas concentration levels exceed 25 percent of the lower flammable limit.