# DISORDERS (REPEATED TRAUMA)
> MSHA accident `220131930039` · 07/08/2013 · Blaschak Anthracite Corporation
## Details
- **Degree of injury:** OCCUPATNAL ILLNESS NOT DEG 1-6
- **Classification:** DISORDERS (REPEATED TRAUMA)
- **Accident type:** NEC
- **Occupation:** Grader operator, Roadgrader operator
- **Activity:** Unknown
- **Injury source:** NOISE,NEC
- **Nature of injury:** HEARING LOSS OR IMPAIRMNT
- **Body part:** EAR(S) INTERNAL & HEARING
- **Days lost:** 0
- **Mine experience:** 2.88 years
## Operator
- **Controller:** Blaschak Holding Corp
- **Operator:** Blaschak Anthracite Corporation
- **Mine:** [3604383](https://api.ai-analytics.org/mine/3604383)
## Narrative

Went to annual audio test and found a STS of 20dB at 2000Hz in Right ear. Repeat test in controlled environment showed a shift in the left ear at 3000 Hz with STS of 10 dB. They recommended he goes to audiologist who confirmed a 14dB STS in the right ear.

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