# Poisoning, toxic, noxious, or allergenic effect, unspecified at AK Steel Corporation
> OSHA SIR `20191010594` · 10/9/2019 · MIDDLETOWN, OHIO
## Severity
- **1 hospitalization**
- **Body part:** BODY SYSTEMS
- **Nature of injury:** Poisoning, toxic, noxious, or allergenic effect, unspecified
## Cause
- **Event:** Inhalation of harmful substance-single episode
- **Source:** Carbon monoxide
## Employer
- **Name:** AK Steel Corporation
- **Location:** 1801 Crawford Street, MIDDLETOWN, OHIO, 45043
- **NAICS:** 331111
- **Jurisdiction:** 1
## Narrative

An employee was removing bolts from a flanged cooling water pipe connection. When the last bolt was removed, a surge of blast furnace gas came out of the pipe, exposing the employee to carbon monoxide.

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