# HANDLING OF MATERIALS
> MSHA accident `220240870021` · 03/17/2024 · U.S. Silica Company, LLC
## Details
- **Degree of injury:** PERM TOT OR PERM PRTL DISABLTY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** AMPUTATION OR ENUCLEATION
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 45 years
## Operator
- **Controller:** USS Holdings Inc
- **Operator:** U.S. Silica Company, LLC
- **Mine:** [2600680](https://api.ai-analytics.org/mine/2600680)
## Narrative

Employee was conducting maintenance on a disconnected rotary seal valve. Employee spun the internal rotor manually with EE's left hand to check tolerances, when the middle finger of EE's left hand was caught between the vein of the rotor and the housing of the rotary seal valve. This resulted in a fingertip amputation just below the nail.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*