# HANDLING OF MATERIALS
> MSHA accident `220111220013` · 04/27/2011 · O-N Minerals (Chemstone Company)
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Machine maintenance
- **Injury source:** OTHER HEATING EQUIP,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 3 years
## Operator
- **Controller:** Carmeuse Holding SA
- **Operator:** O-N Minerals (Chemstone Company)
- **Mine:** [4400026](https://api.ai-analytics.org/mine/4400026)
## Narrative

Employee was cleaning the pre heater. When he finished the task he felt some discomfort in his lower back. He requested medical attention the following morning. He was diagnosed with a lumbar strain.

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