# HANDLING OF MATERIALS
> MSHA accident `220141540029` · 05/27/2014 · Heidelberg Materials US Cement LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Inhalation of radiations, caustics, toxic and noxious substances
- **Occupation:** Utility man, Shift tech, Service/Dump truck operator
- **Activity:** Inspect equipment or mine
- **Injury source:** NOXIOUS MINE GASES,NEC
- **Nature of injury:** POISONING,SYSTEMIC
- **Body part:** BODY SYSTEMS
- **Days lost:** 274
- **Mine experience:** 1.08 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Heidelberg Materials US Cement LLC
- **Mine:** [3600185](https://api.ai-analytics.org/mine/3600185)
## Narrative

Employee was checking an air operated gate on top of storage silo 2 gate 7.  Employee drained moisture bowl and noticed a smell of ammonia.  Employee was exposed to ammonia that got into the compressed air lines from the ammonia injection system which had been started earlier in the day.  The ammonia injection system was turned off at the time of the exposure.

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