# Puncture wounds, except gunshot wounds at Grafton Ready Mix
> OSHA SIR `2016065062` · 6/8/2016 · LORAIN, OHIO
## Severity
- **1 hospitalization**
- **Body part:** Upper arm(s)
- **Nature of injury:** Puncture wounds, except gunshot wounds
## Cause
- **Event:** Struck by dislodged flying object, particle
- **Source:** Metal chips, particles
- **Secondary source:** Chisels-powered
## Employer
- **Name:** Grafton Ready Mix
- **Location:** 2509 N. Ridge Rd., LORAIN, OHIO, 44055
- **NAICS:** 327320
- **Jurisdiction:** 1
## Narrative

On or about June 8, 2016, an employee was chipping concrete inside a mixing drum using a pneumatic air chisel. The chisel malfunctioned, and the locking collar exploded, sending a piece of shrapnel into the employee's left bicep. The employee was hospitalized with a penetrative wound.

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