# Impoundment Capacity: LNG Storage Tanks [49 CFR 193.2181]

- **operation:** document
- **citation:** LAC 43:XIII §7181
- **title:** Impoundment Capacity: LNG Storage Tanks [49 CFR 193.2181]
- **source type:** regulation
- **agency:** Louisiana Office of Conservation
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** Not available
- **summary:** A. Each impounding system serving an LNG storage tank must have a minimum volumetric liquid impoundment capacity of: 1. 110 percent of the LNG tank's maximum liquid capacity for an impoundment serving a single tank; [49 CFR 193.2181(a)] 2. 100 percent of all tanks or 110 percent of the largest tank'
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/la-lac-43-xiii-7181.json
- **markdown:** https://regulus.evalyn.ai/document/la-lac-43-xiii-7181.md
- **app url:** https://regulus.evalyn.ai/document/la-lac-43-xiii-7181
- **source url:** https://www.doa.la.gov/doa/osr/louisiana-administrative-code/
**body:**

A. Each impounding system serving an LNG storage tank must have a minimum volumetric liquid impoundment capacity of:

1. 110 percent of the LNG tank's maximum liquid capacity for an impoundment serving a single tank; [49 CFR 193.2181(a)]

2. 100 percent of all tanks or 110 percent of the largest tank's maximum liquid capacity, whichever is greater, for the impoundment serving more than one tank; or [49 CFR 193.2181(b)]

3. if the dike is designed to account for a surge in the event of catastrophic failure, then the impoundment capacity may be reduced to 100 percent in lieu of 110 percent. [49 CFR 193.2181(b)]

AUTHORITY NOTE: Promulgated in accordance with R.S. 30:551.C.

HISTORICAL NOTE: Promulgated by the Department of Natural Resources, Office of Conservation, LR 44:1052 (June 2018).
- **truncated:** false
- **body characters:** 797