# MACHINERY
> MSHA accident `220152860092` · 10/03/2015 · Ash Grove Cement Company
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** MACHINERY
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** —
- **Mine experience:** — years
## Operator
- **Controller:** Ash Grove Cement Company
- **Operator:** Ash Grove Cement Company
- **Mine:** [4100026](https://api.ai-analytics.org/mine/4100026)
## Narrative

Following a temperature and pressure increase in the bag house, five vent doors opened as designed.  Investigation is still ongoing regarding the circumstances underlying the temperature and pressure increase.

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