Avaliação e caracterização de insalubridade por exposição a ruído ambiental dos trabalhadores de uma empresa de gerenciamento de resíduos industriais

Abstract

The occupational exposure to the physical agent, noise, must be evaluated with criterion, because in some conditions it may cause irreversible damages to the workers hearing aid. The present study was grounded in a bibliographic revision that contemplates from the explanation and interpretation of the sound and its unit measures to the legal requirements that are applicable to the rustle evaluation at the working environment and to the existence or not of insalubrities related to it. The objective of this study was analyzing the occupation exposure to noise, using the methodology provided at Regulatory Standard NR-15 from workers of a company that managers industrial waste, looking for the characterization of unhealthy (or not) condition of work. Once performed the measurements, the collected data was compared to the parameters provided by NR-15. To realize the evaluation it was used methodological procedures provided by the Regulatory Standard of Occupational Hygiene 01 (NHO-01), through two Dosimeters brand Simpsom, model 897, properly calibrated. Concluding this search, it was found that there is no unhealthy working condition in any of the studied functions, but the activities must be revised because it was identified noise levels above 115dB(A).