# NRC CAL – NOV (SL III)
> **EA-05-164** · CAL · Severity SLIII · Issued 2005-10-28 · Materials Licensees
## Action
- **EA Number:** EA-05-164
- **Licensee:** NOV (SL III)
- **Category:** Materials Licensees
- **Action type:** CAL
- **Severity level:** SLIII
- **Date issued:** 2005-10-28
## Description

On October 28, 2005, a Notice of Violation was issued for a Severity Level III violation involving the failure to secure from unauthorized removal or access and or maintain constant surveillance of licensed material that was stored in a controlled or unrestricted area. Specifically, an HDR unit was left unsecured and unattended in the HDR treatment room.

## Source
- [Full enforcement letter (PDF)](https://www.nrc.gov/docs/ML0530/ML053010174.pdf)
- [NRC Materials Licensees index](https://www.nrc.gov/reading-rm/doc-collections/enforcement/actions/materials/)
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