# NRC CAL – NOVCP (SL III)
> **EA-18-151** · CAL · Severity SLIII · Issued 2019-04-24 · Materials Licensees
## Action
- **EA Number:** EA-18-151
- **Licensee:** NOVCP (SL III)
- **Category:** Materials Licensees
- **Action type:** CAL
- **Severity level:** SLIII
- **Date issued:** 2019-04-24
## Description

On April 24, 2019, the NRC issued a Severity Level III Notice of Violation to Holtec International for a violation of 10 CFR 72.146(a), "Design Control." The violation involved Holtec's inadequate modification of certain multi-purpose canisters used for the storage of spent fuel. Specifically, Holtec failed to establish adequate design control measures for installing alternative four-inch stainless steel stand-off pins that were essential to the function of the multi-purpose canister."

## Source
- [Full enforcement letter (PDF)](https://www.nrc.gov/docs/ML1907/ML19072A128.pdf)
- [NRC Materials Licensees index](https://www.nrc.gov/reading-rm/doc-collections/enforcement/actions/materials/)
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