# Effects of heat  n.e.c. at Gerdau
> OSHA SIR `2025054879` · 5/23/2025 · MIDLOTHIAN, TEXAS
## Severity
- **1 hospitalization**
- **Body part:** BODY SYSTEMS
- **Nature of injury:** Effects of heat  n.e.c.
## Cause
- **Event:** Exposure to environmental heat  unspecified
- **Source:** Heat environmental
- **Secondary source:** Secondary source not applicable
## Employer
- **Name:** Gerdau
- **Location:** 300 Ward Rd, MIDLOTHIAN, TEXAS, 76065
- **NAICS:** 331111
- **Jurisdiction:** 1
## Narrative

An employee began to experience cramps after assisting with some work as an apprentice millwright. It was 88 F with 50% humidity. The employee received treatment for hypokalemia and hyponatremia.

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