摘要：The paper presents the results of the study on analysis of archival documents exposure to structured risk factors: biological, physical, chemical. As such, it was established that among the biological agents to influence priority on archival documents are molds and bacteria. Failure conditions result in impairment of climate necessary to the archives - values of national heritage, unfortunately sometimes even lead to the degradation them. It is necessary to restore the manuscript because of physical-mechanical, physical chemical and biological degradations. The degradation process was visible at the paper, as well as at the other components of the manuscript, the purpose of the restoration being that of giving back its functionality. In the our activity of restauration have come out two tendencies, which referend to complete restoration of ancient books volumes, and also referend to small interventions, with out undoing the volumes. Considering each books as a separate case, everyone with its owan problems, we can say that any method is a good one if we apply the principle of minimum intervention, keeping all the original elements
关键词：archival documents; carcinogens; molds; bacteria; degradation editions of the book
