# NRC CAL – NOV (SL III)
> **EA-99-289** · CAL · Severity SLIII · Issued 1999-12-20 · Materials Licensees
## Action
- **EA Number:** EA-99-289
- **Licensee:** NOV (SL III)
- **Category:** Materials Licensees
- **Action type:** CAL
- **Severity level:** SLIII
- **Date issued:** 1999-12-20
## Description

Failure of two qualified individuals to verify the correct dose of iodine-131 prior to administering it, which resulted in a misadministration.

## Source
- [Full enforcement letter (PDF)](https://www.nrc.gov/docs/ML9936/ML993620574.pdf)
- [NRC Materials Licensees index](https://www.nrc.gov/reading-rm/doc-collections/enforcement/actions/materials/)
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