# SLIP OR FALL OF PERSON
> MSHA accident `220110840012` · 03/16/2011 · River Cement Company dba Buzzi Unicem USA
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Quality control technician, Laboratory technician, Laboratory assistant
- **Activity:** Walking, Running
- **Injury source:** WORKING SURF OUTSIDE,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 33
- **Mine experience:** 36.23 years
## Operator
- **Controller:** Buzzi S p A
- **Operator:** River Cement Company dba Buzzi Unicem USA
- **Mine:** [2300188](https://api.ai-analytics.org/mine/2300188)
## Narrative

EE stepped over the curb that's located at the west end of the Clinker Cooler at its southwest corner next to the staircase.  As he stepped over the curb he felt a pop in his left knee.

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