# IGNITION OR EXPLOSION OF GAS OR DUST
> MSHA accident `220160670008` · 12/03/2015 · United Rock Products Corp
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** IGNITION OR EXPLOSION OF GAS OR DUST
- **Accident type:** Struck by flying object
- **Occupation:** Beltman, Conveyor man,  Conveyor belt worker, Mobile bridge carrierman, Feeder operator, Conveyor rider
- **Activity:** Welding or cutting
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** KNEE/PATELLA
- **Days lost:** 145
- **Mine experience:** 4.5 years
## Operator
- **Controller:** Colas S A
- **Operator:** United Rock Products Corp
- **Mine:** [0401763](https://api.ai-analytics.org/mine/0401763)
## Narrative

While welding, acetylene gas built up in the closed cabinet that housed the welding hose reel. The acetylene gas in the closed cabinet ignited and blew the door off the hinges, striking the employee in the left calf, causing a laceration. UPDATE 12/4 - Fractured bone in knees. Surgery on 12/4 to USC LA County hospital

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