# HANDLING OF MATERIALS
> MSHA accident `220080350016` · 01/22/2008 · CalPortland Company
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Blaster, Shooter, Shotfirer, Explosive worker, Powder gang/monkey
- **Activity:** Handling explosives
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 3
- **Mine experience:** 0.1 years
## Operator
- **Controller:** Taiheiyo Cement Corp
- **Operator:** CalPortland Company
- **Mine:** [0200006](https://api.ai-analytics.org/mine/0200006)
## Narrative

Employee was priming blastholes to be loaded that day. While getting ready to prime one hole he noticed a rock on the edge of the hole. He kneeled down to move the rock before he primed the hole, and when he stood up he twisted his knee. Employee was taken to the emergency room where he was told to take 3 days off.

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