# NRC CAL – NOV (SL III)
> **EA-20-110** · CAL · Severity SLIII · Issued 2020-12-03 · Materials Licensees
## Action
- **EA Number:** EA-20-110
- **Licensee:** NOV (SL III)
- **Category:** Materials Licensees
- **Action type:** CAL
- **Severity level:** SLIII
- **Date issued:** 2020-12-03
## Description

On December 3, 2020, the NRC issued two Severity Level III Notices of Violation to TTL Associates, Inc. (TTL) for a violation of 10 CFR 20.1802 and Condition 14 of its license. Specifically, on July 7, 2020, the TTL failed to control and maintain constant surveillance of a portable moisture density gauge located in an unrestricted area. Also, TTL detached a sealed source containing licensed material from the source rod without being specifically authorized to do so and in contrast to the requirement specified on its license.

## Source
- [Full enforcement letter (PDF)](https://www.nrc.gov/docs/ML2033/ML20337A428.pdf)
- [NRC Materials Licensees index](https://www.nrc.gov/reading-rm/doc-collections/enforcement/actions/materials/)
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