# Third or fourth degree heat (thermal) burns at The Home Depot USA, Inc
> OSHA SIR `2016087587` · 8/13/2016 · CASTLE ROCK, COLORADO
## Severity
- **1 hospitalization**
- **Body part:** Lower leg(s)
- **Nature of injury:** Third or fourth degree heat (thermal) burns
## Cause
- **Event:** Ignition of vapors, gases, or liquids
- **Source:** Gasoline, diesel fuel, jet fuel
- **Secondary source:** Lawn mowers-nonriding, powered
## Employer
- **Name:** The Home Depot USA, Inc
- **Location:** 333 W. Allen St., CASTLE ROCK, COLORADO, 80108
- **NAICS:** 444110
- **Jurisdiction:** 1
## Narrative

An employee was testing the spark plug on a mower during repairs when the mower leaked gas and ignited, causing first through third degree burns below the knees on both legs.

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