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[Risk of developing occupational hearing loss among uranium mining workers]
V B Pankova1,2,3, I N Phedina3,4,5, P V Serebryakov2,3,4
1All-Russian Research Institute of Transport Hygiene of the Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing, Moscow, Russia.
Abstract:
Underground working conditions of uranium mining production are characterized by the predominance of industrial noise, determining a high occupational risk of hearing loss.
Objective:
To perform the analysis of occupational risk of hearing loss in uranium mining workers.
Material And Methods:
The indicators of working conditions of uranium mining production of the «Rosatom» state corporation and tonal threshold audiometry data of 113 staff members as a part of preventive medical examination were used; a priori and a posteriori occupational risks of hearing loss were determined.
Results:
The highest levels of industrial noise and the highest noise dose have been noted in stope miners (SMs), that determines a priori risk of their hearing function impairment. The mean length of service in persons of SMs group is over 25 years. Indicators of a posteriori risk of occupational sensorineural hearing loss are predominant in SMs with long service period (25 years and more) - 50%.
Conclusion:
The highest occupational risk of hearing loss is identified in stope miners, that means the need to optimize preventive measures to preserve their hearing function.
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