# Poisoning, poisoning-related asphyxia at Dynamic Well Services, Inc.
> OSHA SIR `2025043700` · 4/21/2025 · ROSS, NORTH DAKOTA
## Severity
- **1 hospitalization**
- **Body part:** BODY SYSTEMS
- **Nature of injury:** Poisoning, poisoning-related asphyxia
## Cause
- **Event:** Inhalation of harmful substance  single episode or single shift
- **Source:** Hydrogen sulfide
- **Secondary source:** Secondary source not applicable
## Employer
- **Name:** Dynamic Well Services, Inc.
- **Location:** Corsican 3-15H, ROSS, NORTH DAKOTA, 58776
- **NAICS:** 213112
- **Jurisdiction:** 1
## Narrative

An employee was working on the rig floor tripping rods when they were exposed to hydrogen sulfide (H2S) gas and became unconscious. The employee was hospitalized.

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