# NRC CAL – NOV (SL III)
> **EA-16-224** · CAL · Severity SLIII · Issued 2017-01-26 · Materials Licensees
## Action
- **EA Number:** EA-16-224
- **Licensee:** NOV (SL III)
- **Category:** Materials Licensees
- **Action type:** CAL
- **Severity level:** SLIII
- **Date issued:** 2017-01-26
## Description

On January 26, 2017, the NRC issued a Notice of Violation to Thrasher Engineering, Inc. for a Severity Level III violation. The violation involved a failure to control and maintain constant surveillance or failure to use two independent physical controls that form tangible barriers to secure a portable gauge from unauthorized removal as required by 10 CFR 20.1802 and 30.34(i). Specifically, on September 13, 2016, a gauge containing licensed material was left unattended and uncontrolled in the back of a pickup truck at a temporary jobsite. The keys to the vehicle, vehicle camper top, and transport case were left inside the cab of the vehicle while the cab was unlocked.

## Source
- [Full enforcement letter (PDF)](https://www.nrc.gov/docs/ML1702/ML17026A002.pdf)
- [NRC Materials Licensees index](https://www.nrc.gov/reading-rm/doc-collections/enforcement/actions/materials/)
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