# NRC NOV – NOV (SL III)
> **EA-96-490** · NOV · Severity SLIII · Issued 1997-02-28 · Materials Licensees
## Action
- **EA Number:** EA-96-490
- **Licensee:** NOV (SL III)
- **Category:** Materials Licensees
- **Action type:** NOV
- **Severity level:** SLIII
- **Date issued:** 1997-02-28
## Description

The action was based on a violation where the licensee did not secure from unauthorized removal or limit access to a Campbell Pacific Nuclear moisture/density gauge containing NRC-licensed material (nominally 10 millicuries (370 Mbq) of cesium-137 and nominally 50 millicuries (1850 Mbq) of americium-241 in sealed sources) at a construction site in Detroit, Michigan, an unrestricted area, nor did the licensee control and maintain constant surveillance of this licensed material.

## Source
- [Full enforcement letter (PDF)](https://www.nrc.gov/docs/ML1216/ML12167A446.pdf)
- [NRC Materials Licensees index](https://www.nrc.gov/reading-rm/doc-collections/enforcement/actions/materials/)
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