# IGNITION OR EXPLOSION OF GAS OR DUST
> MSHA accident `220050310002` · 01/21/2005 · Lehigh Cement Company LLC
## 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:** Heidelberg Materials AG
- **Operator:** Lehigh Cement Company LLC
- **Mine:** [0100043](https://api.ai-analytics.org/mine/0100043)
## Narrative

There was a PLC system failure which caused the primary air fan to stop.  This caused ground coal to settle which was shortly thereafter ignited causing an explosion.

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