Avaliação do ruído e sobrecarga térmica na industria da trasformação do material plástico: estudo de caso em um setor de uma indústria de comércio de sacos plásticos

Abstract

Now a days,the increasing industrialization has contributed to the emergence of many occupacional health problems resulting from exposure to risk. Thus, this work aims to analyze the noise levels and thermal overload of the jobs of productive sector in a trade industry of plastic bags. The levels of noise levels and thermal overload were compared with the tolerance limits established in NR 15.The evaluation methodology for dosimetry and IBUTG is based on the Occupational Hygiene Standars NHO-01–Technical Procedure for Assessment of Occupational Noise Exposure and NHO-06 – Occupational Exposure Assessment to Heat. According to the noise analysis results every jobs showed noise levels above 85 dB (A), exposure above the allowable for an eight-hour day without proper hearing protection, however, the ear protectors used by the workers were adequate and neutralized noise. The temperature of only one of the three analyzed jobs does not meet the tolerance limit of 26.7 °C; it is recommended change in working arrangements, with change of the resting place.