# Second degree heat (thermal) burns at United States Steel Corporation
> OSHA SIR `2022031964` · 3/3/2022 · BRADDOCK, PENNSYLVANIA
## Severity
- **1 hospitalization**
- **Body part:** Leg(s), unspecified
- **Nature of injury:** Second degree heat (thermal) burns
## Cause
- **Event:** Fall through surface or existing opening, unspecified
- **Source:** Grates and drains in floor surface
- **Secondary source:** Ditches, channels, trenches, excavations
## Employer
- **Name:** United States Steel Corporation
- **Location:** Mon Valley Works - Edgar Thomson Plant, BRADDOCK, PENNSYLVANIA, 15104
- **NAICS:** 331111
- **Jurisdiction:** 1
## Narrative

An employee was walking around a mortar dump box, using a water hose to clean debris out of it. The grating slid out of position and the employee's leg went into the sump water. He suffered second-degree burns to the leg.

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