# IGNITION OR EXPLOSION OF GAS OR DUST
> MSHA accident `220251190004` · 04/19/2025 · 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:** —
- **Mine experience:** — years
## Operator
- **Controller:** Taiheiyo Cement Corp
- **Operator:** Calportland
- **Mine:** [0400036](https://api.ai-analytics.org/mine/0400036)
## Narrative

PCS received a displaced rupture disk alarm in Forney indicating an explosion in the Coal Mill 1 system. The investigative process is continuing at this time to identify the root cause. All CM1 Recovery Phase work will be performed safely and methodically.

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