# IGNITION OR EXPLOSION OF GAS OR DUST
> MSHA accident `220072670033` · 05/30/2007 · CalPortland Company
## 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:** Taiheiyo Cement Corp
- **Operator:** CalPortland Company
- **Mine:** [0201138](https://api.ai-analytics.org/mine/0201138)
## Narrative

hot coal or spark ignited pulverized coal in dust collector bin, explosion occured on 4th floor, area is off limits and locked at all times. Safety features worked as designed and intended, rupture discs blew out, dust collector bags and cages, and tube sheet were damaged.

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