# MACHINERY
> MSHA accident `220071730054` · 06/13/2007 · Alcoa World Alumina LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** MACHINERY
- **Accident type:** Absorption of radiations, caustics, toxic and noxious substances
- **Occupation:** Prep plant foreman, Supervisor, Mill plant supervisor, Kiln supervisor
- **Activity:** Mill equipment
- **Injury source:** NOXIOUS MINE GASES,NEC
- **Nature of injury:** BURN,CHEMICL-FUME,COMPOUN
- **Body part:** MULTIPLE PARTS (MORE THAN ONE MAJOR)
- **Days lost:** 1
- **Mine experience:** 10.02 years
## Operator
- **Controller:** Alcoa Inc
- **Operator:** Alcoa World Alumina LLC
- **Mine:** [4100320](https://api.ai-analytics.org/mine/4100320)
## Narrative

EE received injuries while attempting to restart No. 2 Aluminum Floride Unit in the R-84 Chemicals facility. During the restart, vacuum was lost and the HF was not being pulled through the converter. As this happened, HF gass was released from around the 8 & 9 feed screws and around the seal of the kiln. EE was transported to a hospital for treatment and was released the next day.

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