# Dislocation of joints at Montana-Dakota Services, Inc.
> OSHA SIR `2018088608` · 8/21/2018 · MANDAREE, NORTH DAKOTA
## Severity
- **1 hospitalization**
- **Body part:** Shoulder(s), including clavicle(s), scapula(e)
- **Nature of injury:** Dislocation of joints
## Cause
- **Event:** Struck by discharged object or substance
- **Source:** Pressurized air-blast
- **Secondary source:** Pressure lines, except hoses
## Employer
- **Name:** Montana-Dakota Services, Inc.
- **Location:** 47.84893712, -102.758719, MANDAREE, NORTH DAKOTA, 58757
- **NAICS:** 213112
- **Jurisdiction:** 1
## Narrative

An employee was attempting to depressurize a threaded natural gas line. He continued to disconnect the pipe and a significant pressure release occurred, dislocating his left shoulder and bruising his right thigh. He was hospitalized.

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