# IGNITION OR EXPLOSION OF GAS OR DUST
> MSHA accident `220003630022` · 12/18/2000 · Mountain Coal Company, L.L.C.
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** IGNITION OR EXPLOSION OF GAS OR DUST
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** —
- **Mine experience:** — years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Mountain Coal Company, L.L.C.
- **Mine:** [0503672](https://api.ai-analytics.org/mine/0503672)
## Narrative

THE ROOF BOLTER OPERATOR HAD JUST FINISHED DRILLING WITH THE STARTER STEEL. AS HE LOWERED THE DRILL MAST TO ADD AN EXTENSION STEEL, THE WRENCH STRUCK THE STEEL ROOF MAT, RESULTING IN A SPARK W HICH IGNITED METHANE. THE FLAME WAS EXTINGUISHED USING ROCK DUST AND A 20 POUND FIRE EXTINGUISHER. NO INJURIES OR PROPERTY DAMAGE OCCURRED.

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