# SLIP OR FALL OF PERSON
> MSHA accident `220082900010` · 07/11/2008 · U.S. Silica Company, LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Prep plant foreman, Supervisor, Mill plant supervisor, Kiln supervisor
- **Activity:** Handling supplies or material
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 1
- **Mine experience:** 41.21 years
## Operator
- **Controller:** USS Holdings Inc
- **Operator:** U.S. Silica Company, LLC
- **Mine:** [4602805](https://api.ai-analytics.org/mine/4602805)
## Narrative

Employee opening/closing bottom gates on rail car, right leg slipped, over extended knee, resulted in a torn miniscus.  Classified as first aid with no days missed until surgery on 10/14/08.

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