ABSTRACT
As daily noise exposure level, LEX,8h, this decreelaw considers a value of 80 and 85 dB(A) and a peak sound pressure, of 135 and 137 dB(C) respectively, which when exceeded will imply the adoption of preventive measures to reduce the risk to the health and safety of the worker. It also defines
1 INTRODUCTION
The footwear industry is a traditional industry in Portugal, representing 3.6% of national exports and the employment of 37 000 workers. In 2013, there were 1400 companies, mainly located in the north of the country, namely in the districts of Porto, Aveiro and Braga (APICCAPS 2014).
