# IGNITION OR EXPLOSION OF GAS OR DUST
> MSHA accident `220072830013` · 10/01/2007 · CalPortland
## 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:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Taiheiyo Cement Corp
- **Operator:** CalPortland
- **Mine:** [0400037](https://api.ai-analytics.org/mine/0400037)
## Narrative

Coal mill got choked up and the residual heat was drafted into the main dust collector and began smoldering. Shortly after that an explosion occurred at the main dust collector.

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