# NRC CAL – —
> **EA-19-112** · CAL · Issued 2020-03-31 · Reactor Licensees
## Action
- **EA Number:** EA-19-112
- **Licensee:** —
- **Category:** Reactor Licensees
- **Action type:** CAL
- **Date issued:** 2020-03-31
## Description

On March 31, 2020, the NRC issued a Notice of Violation to Southern Nuclear Operating Company, Inc. (SNC) for a violation of a Technical Specification surveillance requirement at Vogtle Electric Generating Plant, associated with a White significance determination process finding. Specifically, Southern failed to adequately perform periodic channel calibrations for post-accident monitoring equipment since initial startup of Vogtle Units 1 and 2.

## Source
- [Full enforcement letter (PDF)](https://www.nrc.gov/docs/ML2009/ML20091L428.pdf)
- [NRC Reactor Licensees index](https://www.nrc.gov/reading-rm/doc-collections/enforcement/actions/reactors/)
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