# HANDLING OF MATERIALS
> MSHA accident `220113610037` · 12/22/2011 · Alcoa World Alumina LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Absorption of radiations, caustics, toxic and noxious substances
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Machine maintenance
- **Injury source:** LIQUIDS,NEC
- **Nature of injury:** BURN,CHEMICL-FUME,COMPOUN
- **Body part:** MULTIPLE PARTS (MORE THAN ONE MAJOR)
- **Days lost:** 0
- **Mine experience:** 3.23 years
## Operator
- **Controller:** Alcoa Inc
- **Operator:** Alcoa World Alumina LLC
- **Mine:** [4100320](https://api.ai-analytics.org/mine/4100320)
## Narrative

Employee and coworker were working on a valve and the drain pipe rotated upward spraying caustic into the air contacting employee. the drain pipe was only hand tightened and the pressure of the liquid coming out of the pipe caused the pipe to turn 90 degrees upward.

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