# MACHINERY
> MSHA accident `220051930008` · 07/07/2005 · Freeport-McMoRan Sierrita Ops.
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Inhalation of radiations, caustics, toxic and noxious substances
- **Occupation:** Pumper
- **Activity:** Machine maintenance
- **Injury source:** NOXIOUS MINE GASES,NEC
- **Nature of injury:** POISONING,SYSTEMIC
- **Body part:** BODY SYSTEMS
- **Days lost:** 0
- **Mine experience:** 0.98 years
## Operator
- **Controller:** Phelps Dodge Corp
- **Operator:** Freeport-McMoRan Sierrita Ops.
- **Mine:** [0200144](https://api.ai-analytics.org/mine/0200144)
## Narrative

Employee was working in area of ""1"" mill when a cloud of sulfur dioxide gas came through opening in mill roof.  A control loss to damper gate for # 6 fan allowed the release of the sulfur dioxide gas.

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