# SLIP OR FALL OF PERSON
> MSHA accident `220022820006` · 10/02/2002 · Columbia Quarry Company
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall to the walkway or working surface
- **Occupation:** Miner, NEC
- **Activity:** Office and lab work, Clerical
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** KNEE/PATELLA
- **Days lost:** 41
- **Mine experience:** 20.69 years
## Operator
- **Controller:** Clyde D  Trexler
- **Operator:** Columbia Quarry Company
- **Mine:** [1100039](https://api.ai-analytics.org/mine/1100039)
## Narrative

SCALE ATTENDANT GOT UP FROM COMPUTER WORK STATION AND TRIPPED ON CHAIR MAT. EE FELL TO FLOOR STRIKING LEFT KNEE ON CONCRETE FLOOR. LEFT KNEE CAP WAS FRACTURED.

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