# IGNITION OR EXPLOSION OF GAS OR DUST
> MSHA accident `220143320017` · 11/24/2014 · Martin Marietta Materials, Inc.
## 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:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials, Inc.
- **Mine:** [3300156](https://api.ai-analytics.org/mine/3300156)
## Narrative

The  #5&6 Kiln Burner was on the burning floor cleaning when EE  heard a what EE presumed unplanned ignition in the #5 coal mill. The #5 coal mill was running normally prior to the ignition and continued to run after the ignition. The mill was inspected. No major damage was found. The mill was started again and continued normal operation. The cause of the ignition is unknown.

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