# HANDLING OF MATERIALS
> MSHA accident `220142510051` · 09/03/2014 · Alcoa World Alumina LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Contact with hot objects or substances
- **Occupation:** Prep plant foreman, Supervisor, Mill plant supervisor, Kiln supervisor
- **Activity:** Supervise
- **Injury source:** CHEMICALS,CHEM COMP,NEC
- **Nature of injury:** BURN OR SCALD (HEAT)
- **Body part:** MULTIPLE PARTS (MORE THAN ONE MAJOR)
- **Days lost:** 205
- **Mine experience:** 2 years
## Operator
- **Controller:** Alcoa Inc
- **Operator:** Alcoa World Alumina LLC
- **Mine:** [4100320](https://api.ai-analytics.org/mine/4100320)
## Narrative

The drain had stopped flowing and line was assumed to be empty. #30 Mud Floor valve was not seated properly allowing flow to fill line and exit through plug once scale was knocked loose by contractors during their task. Supervisor was checking on progress and was walking away at the time scale was unplugged. A spray of hot caustic came in contact with supervisor's back.

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