# DISORDERS (REPEATED TRAUMA)
> MSHA accident `220171310004` · 05/01/2017 · Amrize West Central Inc.
## Details
- **Degree of injury:** OCCUPATNAL ILLNESS NOT DEG 1-6
- **Classification:** DISORDERS (REPEATED TRAUMA)
- **Accident type:** NEC
- **Occupation:** Driller, Highwall operator, Highwall drill operator
- **Activity:** Ride equipment
- **Injury source:** NOISE,NEC
- **Nature of injury:** HEARING LOSS OR IMPAIRMNT
- **Body part:** EAR(S) INTERNAL & HEARING
- **Days lost:** 0
- **Mine experience:** 20 years
## Operator
- **Controller:** Holcim Ltd
- **Operator:** Amrize West Central Inc.
- **Mine:** [0500864](https://api.ai-analytics.org/mine/0500864)
## Narrative

A retest confirmed a Standard Threshold shift for employee in the left year

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