# HANDLING OF MATERIALS
> MSHA accident `220181860013` · 06/26/2018 · U S Silica Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Move non-self-propelled equip
- **Injury source:** STORAGE TANKS AND BINS
- **Nature of injury:** CRUSHING
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 0
- **Mine experience:** 3.5 years
## Operator
- **Controller:** USS Holdings Inc
- **Operator:** U S Silica Company
- **Mine:** [4703644](https://api.ai-analytics.org/mine/4703644)
## Narrative

Employees were removing a hopper with a chainfall attached.  With the hopper secured, last bolt was removed, the employees did not realize hopper was top-heavy, hopper flipped back and crushed employee hand between hopper and HDPE pipe that was below.

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