Keywords: deafness, audiometry

Abstract: This work consists of a realization of limiar Tonal Audiometry in an amount of 246 employees of an industry. Previously, the ambient noise was measured and it reached the highest sonorous intensity of 112 dB. We emphasize the necessity of the realization of a Periodic Audiometrical exam and the use of the auricular protectors. We mention the reflexive mechanism, which protect the auditory organ, the sympton presented when is exposition lo the intense sonorous stimulus and facts of personal order and atmosphere ambient order that contribute to harm the auditory organ.