# HANDLING OF MATERIALS
> MSHA accident `220201200031` · 04/17/2020 · Superior Silica Sands LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion in pulling or pushing objects
- **Occupation:** Dry screening plant operator, Screen house operator
- **Activity:** Machine maintenance
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 1.96 years
## Operator
- **Controller:** PIMCO; HPS Investment Partners; Oak Hill Advisors
- **Operator:** Superior Silica Sands LLC
- **Mine:** [4101126](https://api.ai-analytics.org/mine/4101126)
## Narrative

Employee was sliding out the bottom screen of a Screen Deck with a co-worker when employee felt a sharp pain in lower back.

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