# HANDLING OF MATERIALS
> MSHA accident `220252720020` · 09/18/2025 · Coeur Rochester, Inc.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Inhalation of radiations, caustics, toxic and noxious substances
- **Occupation:** Quality control technician, Laboratory technician, Laboratory assistant
- **Activity:** Office and lab work, Clerical
- **Injury source:** NOXIOUS MINE GASES,NEC
- **Nature of injury:** POISONING,SYSTEMIC
- **Body part:** BODY SYSTEMS
- **Days lost:** 1
- **Mine experience:** 1.17 years
## Operator
- **Controller:** Coeur Mining, Inc.
- **Operator:** Coeur Rochester, Inc.
- **Mine:** [2601941](https://api.morvs.ai/mine/2601941)
## Narrative

An employee became ill after experiencing irritation from ammonia event. The employee was evaluated and was unable to return to work the following day.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · MORVS · CC0 1.0*