# EXPLODING VESSELS UNDER PRESSURE
> MSHA accident `220213400001` · 11/30/2021 · Crescent Silver L.L.C.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** EXPLODING VESSELS UNDER PRESSURE
- **Accident type:** Struck by flying object
- **Occupation:** Drill operator
- **Activity:** Handling supplies or material
- **Injury source:** BOILR,PRES VSL,AIR HOS,OX
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** LEG, NEC
- **Days lost:** 112
- **Mine experience:** 0.02 years
## Operator
- **Controller:** Hale Capital Partners
- **Operator:** Crescent Silver L.L.C.
- **Mine:** [1000085](https://api.ai-analytics.org/mine/1000085)
## Narrative

While compressor was warming up it appears the supply air valve was left open allowing air into the drill steel. The air pushed the water in the valve to a discharge hose causing the hose to whip & strike the employee in EE's left leg.

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