# IGNITION OR EXPLOSION OF GAS OR DUST
> MSHA accident `220033570008` · 12/10/2003 ·  MLC
## 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:** Margaret J  Heckman
- **Operator:**  MLC
- **Mine:** [2300542](https://api.ai-analytics.org/mine/2300542)
## Narrative

THE COAL/AIR MIXTURE INSIDE A DIRECT FIRED COAL MILLING SYSTEM IGNITED EXPLOSIVELY. DAMAGE: 1) COAL MILL FAN TO BURNER DUCT RUPTURED ALONG A WELD SEAM APPROX. 24"" CIRCUMFERENTIALLY. 2) A BELLOWS EXPANSION JOINT AT THE BURNER WAS DISTENDED. 3) COAL MILL FAN IMPELLAR SHOWED CRACKS AT THE RADIAL BLADE ROOT WELD.

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