# NRC CAL – NOV (SL III)
> **ear2025** · CAL · Severity SLIII · Issued 2026-01-21 · Materials Licensees
## Action
- **EA Number:** ear2025
- **Licensee:** NOV (SL III)
- **Category:** Materials Licensees
- **Action type:** CAL
- **Severity level:** SLIII
- **Date issued:** 2026-01-21
## Description

On January 21, 2026, the U.S. Nuclear Regulatory Commission (NRC) issued a Notice of Violation (NOV) to Construction Testing Services, INC. The NOV identified one Severity Level III violation for failing to file for reciprocity with the NRC for calendar year 2025 before performing work in an area of exclusive Federal jurisdiction at Travis Air Force Base as required by Title 10 of the Code of Federal Regulations (10 CFR) Part 150.20(b)(1).

## Source
- [Full enforcement letter (PDF)](https://www.nrc.gov/docs/ML2601/ML26013A169.pdf)
- [NRC Materials Licensees index](https://www.nrc.gov/reading-rm/doc-collections/enforcement/actions/materials/)
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