# HANDLING OF MATERIALS
> MSHA accident `220081970025` · 07/09/2008 · Alcoa World Alumina LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion in lifting objects
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Handling supplies or material
- **Injury source:** PUMPS,FANS,COMP,ENG,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 1.25 years
## Operator
- **Controller:** Alcoa Inc
- **Operator:** Alcoa World Alumina LLC
- **Mine:** [4100320](https://api.ai-analytics.org/mine/4100320)
## Narrative

Employee tagged out and changed out the acid fluids for heater, then he opened the valves, then he filled the water tanks.  He began to feel tension in his back.  He then picked up the inhibitor pump and put it into a barrel and felt a twitch.  After resting, he pulled the pump out of the barrel and felt another twitch followed by a sharp pain in his lower back.

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