# SLIP OR FALL OF PERSON
> MSHA accident `220100770021` · 03/09/2010 · Tri-City Aggregates Inc
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Front-end loader, Scraper-loader operator, Pan operator, Payloader, Scraper rig operator
- **Activity:** Inspect equipment or mine
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 4
- **Mine experience:** 4 years
## Operator
- **Controller:** Genoak Materials Inc
- **Operator:** Tri-City Aggregates Inc
- **Mine:** [2002908](https://api.ai-analytics.org/mine/2002908)
## Narrative

Left knee twisted when foot slipped on top of battery box during maintenance inspection.

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