# Heat (thermal) burns, unspecified at Supreme Mechanical Services
> OSHA SIR `2023098198` · 9/6/2023 · HOMESTEAD, FLORIDA
## Severity
- **1 hospitalization**
- **Body part:** Multiple body parts, n.e.c.
- **Nature of injury:** Heat (thermal) burns, unspecified
## Cause
- **Event:** Explosion of nonpressurized vapors, gases, or liquids
- **Source:** Propane
## Employer
- **Name:** Supreme Mechanical Services
- **Location:** 2220 NE 8TH STREET, HOMESTEAD, FLORIDA, 33030
- **NAICS:** 811310
- **Jurisdiction:** 1
## Narrative

An employee was preparing a reach in cooler (fry cooler) and charging the system with refrigerant (R290)with his gauges. When the employee removed the gauges from the liquid line service valve, the refrigerant immediately escaped, and the liquid refrigerant exploded due to an unknown ignition source. The employee was burned on the face, hands, abdomen and knees.

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