# HANDLING OF MATERIALS
> MSHA accident `220120370048` · 01/28/2012 · Tilden Mining Company L C
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Pumper
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 42
- **Mine experience:** 0.81 years
## Operator
- **Controller:** U.S. Steel Canada; Cliffs Natural Resources Inc
- **Operator:** Tilden Mining Company L C
- **Mine:** [2000422](https://api.ai-analytics.org/mine/2000422)
## Narrative

Employee was checking the positions of steam bypass valves.   The employee alleges that when he grasped the valve handle and attempted to turn it in the closed direction, he felt a pain in his upper right back.  He was evaluated by a physician and taken off of work.

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