# IGNITION OR EXPLOSION OF GAS OR DUST
> MSHA accident `220093210004` · 11/09/2009 · Pinnacle Mining Company 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:** Cleveland-Cliffs Inc
- **Operator:** Pinnacle Mining Company LLC
- **Mine:** [4601816](https://api.ai-analytics.org/mine/4601816)
## Narrative

While extracting coal in the #2 face of the 9E section, 75 feet inby crosscut #28, the continuous miner operator thought he saw a flash on the right side of the ripper head after the methane monitor had spiked and de-energized the machine. After investigating, no evidence of an ignition was found.

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