# Effects of heat and light, unspecified at U.S. Postal Service
> OSHA SIR `2019066015` · 6/14/2019 · LIBERTY, TEXAS
## Severity
- **1 hospitalization**
- **Body part:** BODY SYSTEMS
- **Nature of injury:** Effects of heat and light, unspecified
## Cause
- **Event:** Exposure to environmental heat
- **Source:** Heat-environmental
## Employer
- **Name:** U.S. Postal Service
- **Location:** 1515 Sam Houston Street, LIBERTY, TEXAS, 77575
- **NAICS:** 491110
- **Jurisdiction:** 1
## Narrative

After delivering mail on a rural route, an employee experienced an aggravated heartbeat due to heat stress, requiring hospitalization.

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