The tests may be carried out by individuals without speci c
expertise in bacteria handling. According to the European Direc-
tive 2000/54/EC and the HHS Publication No. (CDC) 21-1112 of the
U.S. Department of Health and Human Services, for work with
Group 1 biological agents, common principles of good occupa-
tional safety and hygiene should be followed. In an industrial stage