Attravs of Figure 03, can visualize this affirmation. Figure 03 Histograma of the distribution of data taken for PAIR On the questionnaire applied the workers, Table 05 illustrates the questions and the percentages of the answers given for the workers. Table 05 Answers of the questionnaires with the questions and percentages of the answers They feel I bother caused for the noise They had had PCA training They do not know as to solve the problem They receive protector auricular They do not like to use the protector Welding 95.5% 90.9% 86.4% 100.0% 100.0% 36.4% 4.5% Jateamento 100.0% 85.2% 66.6% 100.0% 88.8% 11.1% 3.7% feels sensation after auditory the work Has problems of convivncia in the home due to the noise Question 1 2 3 4 5 6 7 Thus, it can be affirmed in relation to the questions, that: 1- The workers are bothered by the noise and, the insatisfao indices demonstrate that this problem must be treated or at least being mitigated. 2- Taking itself in consideration that the PCA has, amongst others, the purpose to guide how much to the correct use of the EPIS and to show the effect of the noise in the human organism, the result above sample that the employees must use the equipment of auditory protection correctly and has conscience of its importance. 3- The workers of the jateamento team possess a knowledge better technician of the equipment/machines of its area or have greater concern in solving the problem of existing noise in its activity of what the employees of the welding team. 4- As all the employees receive equipment from individual protection and receive training how much to its in agreement use (item 2), it concludes that the workers know to protect themselves not to have auditory problems due to these activities the short one and in the long run.