# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220052620066` · 08/09/2005 · Chevron Mining Inc
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Utility man, Errand boy, Service truck operator
- **Activity:** Move non-self-propelled equip
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 44
- **Mine experience:** 6.48 years
## Operator
- **Controller:** Chevron Corporation
- **Operator:** Chevron Mining Inc
- **Mine:** [0100759](https://api.ai-analytics.org/mine/0100759)
## Narrative

Employee stated that he was helping three other employees carry a three inch air pump when he stepped on a piece of scale rock that broke under his foot as he walked over it. This caused his left leg to over extend at his left knee. His first lost time day was 9/15/05.

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