# HANDLING OF MATERIALS
> MSHA accident `220200310018` · 07/21/2019 · U.S. Silica Company, LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Walking, Running
- **Injury source:** STEPS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.44 years
## Operator
- **Controller:** USS Holdings Inc
- **Operator:** U.S. Silica Company, LLC
- **Mine:** [3400377](https://api.ai-analytics.org/mine/3400377)
## Narrative

EE was walking up stairs, inside the Mill Building when EE felt/heard EE's Knee ""pop"". The injury was treated as a first aid. Several months the EE stated that EE's knee was giving EE problems again. EE was examined by a Dr. in October 2019 and sent for an MRI. Surgery was performed on the Knee 1/24/2020 to repair soft tissue damage.

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