# Third or fourth degree heat (thermal) burns at Luvata Appleton LLC
> OSHA SIR `2021010233` · 1/9/2021 · APPLETON, WISCONSIN
## Severity
- **1 hospitalization**
- **Body part:** Multiple body parts, n.e.c.
- **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:** Nitrogen
## Employer
- **Name:** Luvata Appleton LLC
- **Location:** 908 Lawe Street, APPLETON, WISCONSIN, 54911
- **NAICS:** 331421
- **Jurisdiction:** 1
## Narrative

An employee was scraping slag off an alloy melting furnace pot when residual liquid nitrogen mixed with molten metal still in the furnace. The instantaneous mixing caused an explosion, which knocked the employee to the ground. His protective helmet and face shield were knocked off and he suffered second- and third-degree burns to the neck and left arm.

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