# Multiple poisoning, toxic, noxious, or allergenic effects at icon Mechanical Construction and Engineering LLC
> OSHA SIR `2017065917` · 6/28/2017 · SAINT CHARLES, MISSOURI
## Severity
- **1 hospitalization**
- **Body part:** BODY SYSTEMS
- **Nature of injury:** Multiple poisoning, toxic, noxious, or allergenic effects
## Cause
- **Event:** Inhalation of harmful substance-single episode
- **Source:** Carbon monoxide
- **Secondary source:** Welding and heating handtools-powered, unspecified
## Employer
- **Name:** icon Mechanical Construction and Engineering LLC
- **Location:** 3850 Mueller Rd., SAINT CHARLES, MISSOURI, 63301
- **NAICS:** 236220
- **Jurisdiction:** 1
## Narrative

An employee was using a propane welding machine, set at ground level, while standing in a scissor lift inside an empty room under construction when the employee experienced headaches, dizziness, nausea, and fatigue due to carbon monoxide exposure. These symptoms developed slowly over approximately five hours.

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