# IGNITION OR EXPLOSION OF GAS OR DUST
> MSHA accident `220162740018` · 09/30/2016 · 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:** —
- **Mine experience:** — years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Heidelberg Materials US Cement LLC
- **Mine:** [1200063](https://api.ai-analytics.org/mine/1200063)
## Narrative

The #1 kiln coal mill shutdown by interlock when the gas conditioning tower lost water flow.  The coal mill went down loaded.  While attempting to empty the coal mill by jogging the main mill motor the cyclone rupture vent opened.  There were no injuries or equipment damages.

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