# EXPLODING VESSELS UNDER PRESSURE
> MSHA accident `220042640074` · 06/25/2004 · U. S. Silica Company
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** EXPLODING VESSELS UNDER PRESSURE
- **Accident type:** Struck by flying object
- **Occupation:** Outside foreman, Leadman
- **Activity:** Handling supplies or material
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 96
- **Mine experience:** 27.23 years
## Operator
- **Controller:** USS Holdings Inc
- **Operator:** U. S. Silica Company
- **Mine:** [1101013](https://api.ai-analytics.org/mine/1101013)
## Narrative

Employee was over valve, starting to open the 10' valve when victalic coupling blew apart due to the mainline being under presser 200 psi the force of the uncoupled pipe hit employee on right shoulder and ribs, knocking him to the ground.

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