# IGNITION OR EXPLOSION OF GAS OR DUST
> MSHA accident `220080460034` · 02/07/2008 · 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:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials, Inc.
- **Mine:** [3300156](https://api.ai-analytics.org/mine/3300156)
## Narrative

While restarting the #5 Raymond coal mill at approx. 10:15 AM, an unplanned ignition occurred from a small amount of coal dust left inside the emply mill. There was no damage to the damper control system and the fan housing. The event wasn't reported until 2/8/08 at which time it was called into MSHA. There were no injuries and no fire as a result of this ignition.

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