# Effects of heat and light, n.e.c. at U.S. Postal Service
> OSHA SIR `2016065344` · 6/16/2016 · LITTLE ROCK, ARKANSAS
## Severity
- **1 hospitalization**
- **Body part:** BODY SYSTEMS
- **Nature of injury:** Effects of heat and light, n.e.c.
## Cause
- **Event:** Exposure to environmental heat
- **Source:** Heat-environmental
## Employer
- **Name:** U.S. Postal Service
- **Location:** 4700 E McCain Blvd, LITTLE ROCK, ARKANSAS, 72231
- **NAICS:** 491110
- **Jurisdiction:** 1
## Narrative

An employee was taking mail from a tray and putting it onto a conveyor belt. The temperature was approximately 79 degrees. She began hyperventilating and required overnight hospitalization for possible heat exhaustion.

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