# Effects of heat and light, n.e.c. at U.S. Forest Service-Tonto National Forest
> OSHA SIR `2017065380` · 6/13/2017 · PAYSON, ARIZONA
## 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. Forest Service-Tonto National Forest
- **Location:** 1009 East Hwy 260, PAYSON, ARIZONA, 85541
- **NAICS:** 115310
- **Jurisdiction:** 0
## Narrative

An employee was hiking to fight a forest fire when he developed muscle cramps, dizziness, and weakness due to the extreme heat.

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