# IGNITION OR EXPLOSION OF GAS OR DUST
> MSHA accident `220202370001` · 08/01/2020 · Quikrete Construction Materials, 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:** Cementos Argos S A
- **Operator:** Quikrete Construction Materials, LLC
- **Mine:** [4600007](https://api.ai-analytics.org/mine/4600007)
## Narrative

Abnormal accumulation of pulverized coal under the mill table for an unusual length of time led to coal self ignition and smoldering inside the mill. Incident happened during the cleanup process when fine coal got displaced and suspended by the rotation of the mill table and ignite when in contact with the smoldering coal. The combustion of the coal went from mill to bags

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