# SLIP OR FALL OF PERSON
> MSHA accident `220092220023` · 08/05/2009 · Martin Marietta Materials, Inc.
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall from machine
- **Occupation:** Quality control technician, Laboratory technician, Laboratory assistant
- **Activity:** Getting on or off equipment
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 12 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials, Inc.
- **Mine:** [3401285](https://api.ai-analytics.org/mine/3401285)
## Narrative

EE was stepping out of the service truck upon arrival and his knee popped.  He was unable to apply pressure for a couple of hours.

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