# HANDLING OF MATERIALS
> MSHA accident `220142040015` · 06/12/2014 · U.S. Silica Company, LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Crawling, Kneeling
- **Injury source:** CONVEYORS,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 27
- **Mine experience:** 7.04 years
## Operator
- **Controller:** USS Holdings Inc
- **Operator:** U.S. Silica Company, LLC
- **Mine:** [2300544](https://api.ai-analytics.org/mine/2300544)
## Narrative

while working on replacing an arm of the auto package system employee had to kneel on a chain conveyor.  when employee moved off the conveyor for break, he felt stiffness in his back.  employee did not receive medical attention until 7/10/14 as he thought pain would go away.

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