# DISORDERS (REPEATED TRAUMA)
> MSHA accident `220140640025` · 12/18/2013 · Tilden Mining Company L C
## Details
- **Degree of injury:** OCCUPATNAL ILLNESS NOT DEG 1-6
- **Classification:** DISORDERS (REPEATED TRAUMA)
- **Accident type:** NEC
- **Occupation:** Dryer operator, Kiln operator,  Dry plant operator,  Fluid operator, Bed dryer 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:** 17.77 years
## Operator
- **Controller:** U.S. Steel Canada; Cliffs Natural Resources Inc
- **Operator:** Tilden Mining Company L C
- **Mine:** [2000422](https://api.ai-analytics.org/mine/2000422)
## Narrative

EE is enrolled in the hearing conservation program and his last hearing tests have demonstrated a permanent decrease in his hearing - Lt:  age corrected 28.0 and Rt:  age corrected 31.3 decibel shift. Audiology review confirms this change is change reportable

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