# POISONING (TOXIC MATERIALS)
> MSHA accident `220211410006` · 05/12/2021 · Thompson Creek Mining Company
## Details
- **Degree of injury:** OCCUPATNAL ILLNESS NOT DEG 1-6
- **Classification:** POISONING (TOXIC MATERIALS)
- **Accident type:** Inhalation of radiations, caustics, toxic and noxious substances
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Inspect equipment or mine
- **Injury source:** NOXIOUS MINE GASES,NEC
- **Nature of injury:** POISONING,SYSTEMIC
- **Body part:** BODY SYSTEMS
- **Days lost:** 0
- **Mine experience:** 0.25 years
## Operator
- **Controller:** Thompson Creek Metals Co USA
- **Operator:** Thompson Creek Mining Company
- **Mine:** [1000531](https://api.ai-analytics.org/mine/1000531)
## Narrative

Code 23 An overflow in leach area resulted in off gas from slurry not controlled by fume collection system. This produced concentration of chlorine compounds. A chlorine monitor in leach basement initiated an alarm to evacuate building. While evacuating one employee was exposed to chlorine fumes which resulted in transporting employee to nearest medical facility for observation.

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