# Fractures at American Mechanical Services of Maryland LLC
> OSHA SIR `2021098414` · 9/29/2021 · WASHINGTON, DISTRICT OF COLUMBIA
## Severity
- **1 hospitalization**
- **Body part:** Multiple body parts, n.e.c.
- **Nature of injury:** Fractures
## Cause
- **Event:** Explosion of pressure vessel, piping, or tire
- **Source:** Containers-pressurized, n.e.c.
## Employer
- **Name:** American Mechanical Services of Maryland LLC
- **Location:** 4555 Overlook Ave SW, WASHINGTON, DISTRICT OF COLUMBIA, 20375
- **NAICS:** 238220
- **Jurisdiction:** 1
## Narrative

An employee was adding refrigerant to an HVAC unit when the compressed gas container failed. The employee sustained a lacerated and broken thumb and a facial fracture.

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