# IGNITION OR EXPLOSION OF GAS OR DUST
> MSHA accident `220073170096` · 11/09/2007 · Heidelberg Materials US Cement 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:** Heidelberg Materials US Cement LLC
- **Mine:** [1200063](https://api.morvs.ai/mine/1200063)
## Narrative

An unplanned ignition of coal dust occurred in the panels to open and vent pressure. The ignition of coal dust caused the explosion vent panels to open and vent pressure. There were no personnel or equipment damages. The investigation as to the cause of this event is ongoing.

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