# Chemical burns and corrosions, unspecified at MMR Group, Inc.
> OSHA SIR `2023076927` · 7/31/2023 · GREGORY, TEXAS
## Severity
- **1 hospitalization**
- **Body part:** Multiple body parts, n.e.c.
- **Nature of injury:** Chemical burns and corrosions, unspecified
## Cause
- **Event:** Exposure through intact skin, eyes, or other exposed tissue
- **Source:** Sodium and potassium hydroxide, potassium carbonate
## Employer
- **Name:** MMR Group, Inc.
- **Location:** 4633 State Highway 361, GREGORY, TEXAS, 78359
- **NAICS:** 238210
- **Jurisdiction:** 1
## Narrative

An employee was switching out the strainer basket on a digestion unit. As they removed all the flange bolts and tapped on the flange, 90-degree Celsius sodium hydroxide was released, spraying the employee. They sustained chemical and thermal burns to their right arm and abdomen.

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