# Internal injuries to organs and blood vessels of the trunk at Alon USA, LP
> OSHA SIR `2017043721` · 4/25/2017 · BIG SPRING, TEXAS
## Severity
- **2 hospitalizations**
- **Body part:** Chest, except internal location of diseases or disorders
- **Nature of injury:** Internal injuries to organs and blood vessels of the trunk
## Cause
- **Event:** Inhalation of harmful substance-single episode
- **Source:** Hydrogen fluoride, hydrofluoric acid
- **Secondary source:** Hoses
## Employer
- **Name:** Alon USA, LP
- **Location:** 200 E Refinery Road, BIG SPRING, TEXAS, 79720
- **NAICS:** 324110
- **Jurisdiction:** 1
## Narrative

Employees were depressurizing a level bridle when the hose between the bridle and the flare system broke releasing hydrofluoric acid (HF). The two employees were exposed to the chemical vapor resulting in injury to their eyes, facial skin and lungs. Both employees were hospitalized.

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*Source: [OSHA Severe Injury Reports](https://www.osha.gov/severe-injury-reports) · MORVS · CC0 1.0*