# External Corrosion Control: Buried or Submerged Components [49 CFR 193.2629]

- **operation:** document
- **citation:** LAC 43:XIII §7929
- **title:** External Corrosion Control: Buried or Submerged Components [49 CFR 193.2629]
- **source type:** regulation
- **agency:** Louisiana Office of Conservation
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** Not available
- **summary:** A. Buried or submerged component that is subject to external corrosive attack must be protected from external corrosion by: 1. material that has been designed and selected to resist the corrosive environment involved; or [49 CFR 193.2629(a)(1)] 2. the following means: a. an external protective coati
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- **markdown:** https://regulus.evalyn.ai/document/la-lac-43-xiii-7929.md
- **app url:** https://regulus.evalyn.ai/document/la-lac-43-xiii-7929
- **source url:** https://www.doa.la.gov/doa/osr/louisiana-administrative-code/
**body:**

A. Buried or submerged component that is subject to external corrosive attack must be protected from external corrosion by:

1. material that has been designed and selected to resist the corrosive environment involved; or [49 CFR 193.2629(a)(1)]

2. the following means:

a. an external protective coating designed and installed to prevent corrosion attack and to meet the requirements of §192.461 of this chapter; and [49 CFR 193.2629(a)(2)(i)]

b. a cathodic protection system designed to protect components in their entirety in accordance with the requirements of LAC 43:XIII.2115 of this chapter and placed in operation before October 23, 1981, or within 1 year after the component is constructed or installed, whichever is later. [49 CFR 193.2629(a)(2)(ii)]

B. Where cathodic protection is applied, components that are electrically interconnected must be protected as a unit. [49 CFR 193.2629(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 44:1058 (June 2018).
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