# HANDLING OF MATERIALS
> MSHA accident `220062270030` · 08/08/2006 · Trans Alta Centralia Mining LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion in lifting objects
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 0.4 years
## Operator
- **Controller:** Trans Alta Corp
- **Operator:** Trans Alta Centralia Mining LLC
- **Mine:** [4500416](https://api.ai-analytics.org/mine/4500416)
## Narrative

Employee was removing the dozer push arm from D8N dozer. He lifted a 1"" air impact wrench at the same time he was twisting his body. Employee felt some lower back discomfort but continued to work on dozer arm. At start of shift next day, he reported heavy lower back pain. Employee seen at local hospital, treated, needs light duty.

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