# HANDLING OF MATERIALS
> MSHA accident `220002490083` · 07/25/2000 · U.S. Silica Company, LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion in pulling or pushing objects
- **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:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 38
- **Mine experience:** 23.48 years
## Operator
- **Controller:** USS Holdings Inc
- **Operator:** U.S. Silica Company, LLC
- **Mine:** [4402829](https://api.ai-analytics.org/mine/4402829)
## Narrative

EMPLOYEE WAS CHANGING THE IMPELLER ON A WARMAN 6X8 PUMP- HE WAS PUSHING AGAINST THE IMPELLER WITH HIS KNEES WHEN THE GRAVEL UNDER HIS FEET GAVE WAY CAUSING HIS RIGHT KNEE TO POP.

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