# SLIP OR FALL OF PERSON
> MSHA accident `220190640002` · 03/01/2019 · Pioneer Sands LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall to the walkway or working surface
- **Occupation:** Outside foreman, Leadman
- **Activity:** Walking, Running
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 15.62 years
## Operator
- **Controller:** Pioneer Natural Resources USA Incorporated
- **Operator:** Pioneer Sands LLC
- **Mine:** [4101003](https://api.ai-analytics.org/mine/4101003)
## Narrative

Employee was walking to work site to start connecting a water line to a portable pump. The employee stepped into a uneven surface, causing EE to fall, twisting EE's left knee. 

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