# DISORDERS (REPEATED TRAUMA)
> MSHA accident `220211230016` · 04/26/2021 · Indiana Limestone Co
## Details
- **Degree of injury:** OCCUPATNAL ILLNESS NOT DEG 1-6
- **Classification:** DISORDERS (REPEATED TRAUMA)
- **Accident type:** NEC
- **Occupation:** Groundman, Yardman
- **Activity:** Handling supplies or material
- **Injury source:** NOISE,NEC
- **Nature of injury:** HEARING LOSS OR IMPAIRMNT
- **Body part:** EAR(S) INTERNAL & HEARING
- **Days lost:** 0
- **Mine experience:** 18.12 years
## Operator
- **Controller:** Polycor Inc
- **Operator:** Indiana Limestone Co
- **Mine:** [1202504](https://api.ai-analytics.org/mine/1202504)
## Narrative

Miner showed Standard Threshold Shift in annual audiogram.  Miner stated homemade canon explosion (not work related) likely contributed.

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