# Amputations, avulsions, enucleations  unspecified at Ameristar Perimeter Security USA Inc
> OSHA SIR `2025088714` · 8/1/2025 · TULSA, OKLAHOMA
## Severity
- **1 amputation**
- **Body part:** Finger or thumb tip(s), nail(s)
- **Nature of injury:** Amputations, avulsions, enucleations  unspecified
## Cause
- **Event:** Struck by running powered equipment  during maintenance, cleaning, testing
- **Source:** Rolling mills, rolling, calendering machinery
- **Secondary source:** Secondary source not applicable
## Employer
- **Name:** Ameristar Perimeter Security USA Inc
- **Location:** 1555 N Mingo Rd, TULSA, OKLAHOMA, 74116
- **NAICS:** 332323
- **Jurisdiction:** 1
## Narrative

An employee was adjusting the rollers on the mill feeder when their right thumb was crushed between two rollers, resulting in amputation of the thumb tip.

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*Source: [OSHA Severe Injury Reports](https://www.osha.gov/severe-injury-reports) · MORVS · CC0 1.0*