# NRC CAL – NOV (SL III)
> **EA-11-009** · CAL · Severity SLIII · Issued 2011-05-11 · Materials Licensees
## Action
- **EA Number:** EA-11-009
- **Licensee:** NOV (SL III)
- **Category:** Materials Licensees
- **Action type:** CAL
- **Severity level:** SLIII
- **Date issued:** 2011-05-11
## Description

On May 11, 2011, the NRC issued a Notice of Violation to Del Valle Group (DVG) for a Severity Level III violation involving the failure to obtain authorization in a specific NRC license to own and possess three portable moisture density gauges, as required by 10 CFR 30.3(a). Specifically, from November 30, 2008 through October 28, 2010, DVG owned and/or possessed byproduct material (discrete radium-226 sources contained in three portable moisture density gauges) without authorization in a specific or general license issued in accordance with NRC regulations.

## Source
- [Full enforcement letter (PDF)](https://www.nrc.gov/docs/ML1113/ML111320051.pdf)
- [NRC Materials Licensees index](https://www.nrc.gov/reading-rm/doc-collections/enforcement/actions/materials/)
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