# Third or fourth degree heat (thermal) burns at Harsco Environmental
> OSHA SIR `2023043323` · 4/14/2023 · CALVERT, ALABAMA
## Severity
- **1 hospitalization**
- **Body part:** Nonclassifiable
- **Nature of injury:** Third or fourth degree heat (thermal) burns
## Cause
- **Event:** Explosion of nonpressurized vapors, gases, or liquids
- **Source:** Molten or hot metals, slag
- **Secondary source:** Water
## Employer
- **Name:** Harsco Environmental
- **Location:** 1 Steel Dr Paul Bayou gate, CALVERT, ALABAMA, 36513
- **NAICS:** 423930
- **Jurisdiction:** 1
## Narrative

An employee was operating an excavator with a hammer attachment. As the employee began hammering the pot and creating a hole in the slag crust, the slag hit the water and hot material was projected towards the equipment. The employee sustained second and third-degree burns to 10.5% of their body.

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