# NRC CAL – NOV (SL III)
> **EA-22-021** · CAL · Severity SLIII · Issued 2022-06-30 · Materials Licensees
## Action
- **EA Number:** EA-22-021
- **Licensee:** NOV (SL III)
- **Category:** Materials Licensees
- **Action type:** CAL
- **Severity level:** SLIII
- **Date issued:** 2022-06-30
## Description

On June 30, 2022, the NRC issued a notice of violation to Niowave, Inc. (licensee) for a Severity Level III problem associated with three related violations. The violations involved the following licensee failures: (1) control the occupational dose to the skin of any extremity of individual adults to an annual dose limit of 50 rem shallow-dose equivalent, as required by Code of Federal Regulations (10 CFR) 20.1201(a)(2)(ii); (2) perform adequate surveys to ensure compliance with the occupational dose limits of 10 CFR 20.1201(a)(2)(ii), as required by 10 CFR 20.1501(a); and (3) use, to the extent practical, procedures and engineering controls based on sound radiation protection principles to achieve occupational doses that are as low as reasonably achievable, as required by 10 CFR 20.1101(b).

## Source
- [Full enforcement letter (PDF)](https://www.nrc.gov/docs/ML2216/ML22166A421.pdf)
- [NRC Materials Licensees index](https://www.nrc.gov/reading-rm/doc-collections/enforcement/actions/materials/)
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