# IGNITION OR EXPLOSION OF GAS OR DUST
> MSHA accident `220132700027` · 09/24/2013 · 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

At approx. 12:15AM, maintenance shutoff #5 Coal feeder to inspect drive belts. When the #5 Coal Mill suddenly had an internal coal dust ignition. The force blew dust up thru the feed hopper and blew off the lower inlet duct inspection door. Minimal damage with 6 hrs. to clear, inspect system and investigate cause.

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