# SLIP OR FALL OF PERSON
> MSHA accident `220120610007` · 02/22/2012 · Thunder Basin Coal Company LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall to the walkway or working surface
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Handling supplies or material
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 47
- **Mine experience:** 29.31 years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Thunder Basin Coal Company LLC
- **Mine:** [4800977](https://api.ai-analytics.org/mine/4800977)
## Narrative

The plant technician fell, fracturing his right clavicle while washing down the silo head house. Underlying medical conditions were the reason for the fall. A letter of explanation has been sent with the MSHA 7000-1 form upon submission.

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