# EXPLODING VESSELS UNDER PRESSURE
> MSHA accident `220072330021` · 04/10/2007 · Holcim (US) Incorporated
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** EXPLODING VESSELS UNDER PRESSURE
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Holcim Ltd
- **Operator:** Holcim (US) Incorporated
- **Mine:** [2200313](https://api.ai-analytics.org/mine/2200313)
## Narrative

A coal mill explosion occurred within our coal mill.  No injuries of plant personnel.  Contributing factors were a diff. of about 20F between control room thermocouple and manual readings.  Operational set point for coal mill exit temp. is about 180F and with this diff. there was the possibility that the temp reached 200F.

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