# DISORDERS (REPEATED TRAUMA)
> MSHA accident `220021620017` · 05/29/2002 · Imerys Filtration Minerals Inc
## Details
- **Degree of injury:** OCCUPATNAL ILLNESS NOT DEG 1-6
- **Classification:** DISORDERS (REPEATED TRAUMA)
- **Accident type:** NEC
- **Occupation:** Mine manager, Mine foreman, Mine owner
- **Activity:** Unknown
- **Injury source:** NOISE,NEC
- **Nature of injury:** HEARING LOSS OR IMPAIRMNT
- **Body part:** EAR(S) INTERNAL & HEARING
- **Days lost:** —
- **Mine experience:** 11.9 years
## Operator
- **Controller:** Alleghany Corp
- **Operator:** Imerys Filtration Minerals Inc
- **Mine:** [2600816](https://api.ai-analytics.org/mine/2600816)
## Narrative

THE EE'S ANNUAL AUDIOGRAM SHOWED A SIGNIFICANT CHANGE IN HEARING. SPEECH RECEPTION THRESHOLDS WERE 25 DB RIGHT EAR AND 10 DB LEFT EAR. SPEECH DISCRIMINATION SCORES WERE 100% RIGHT AND 96% LEFT . MILD TO MODERATE SENSORINEURAL HEARING LOSS LEFT. MODERATE SENSORINEURAL HEARING LOSS RIGHT.

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