# NRC CAL – NOV (SL III)
> **EA-15-078** · CAL · Severity SLIII · Issued 2015-08-25 · Materials Licensees
## Action
- **EA Number:** EA-15-078
- **Licensee:** NOV (SL III)
- **Category:** Materials Licensees
- **Action type:** CAL
- **Severity level:** SLIII
- **Date issued:** 2015-08-25
## Description

On August 25, 2015, the NRC issued a Notice of Violation to Howard University (HU) for a Severity Level III violation. The violation involved a failure to notify the NRC within 24 hours after the discovery of an unplanned contamination event in accordance with 10 CFR 30.50(b). Specifically, in February/March 2008, HU discovered that a storage room had been contaminated with material from a vial containing millicurie quantities of cesium-137 and prohibited entry into the room for several months until decontamination was complete. However; from February/March 2008 until May 7, 2015, HU did not notify the NRC within 24 hours as required, after the discovery of the contamination event.

## Source
- [Full enforcement letter (PDF)](https://www.nrc.gov/docs/ML1523/ML15237A037.pdf)
- [NRC Materials Licensees index](https://www.nrc.gov/reading-rm/doc-collections/enforcement/actions/materials/)
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