The Division of Control of the Circulation of Chemical and Biological Materials at Wasit University organized a workshop in the Faculty of Medicine entitled (classification of laboratories on the basis of professional and biological safety), with the participation of Assistant Dean for Administrative Affairs Dr. Saleh Salman Al Jabri, and a number of laboratory officials of scientific colleges and warehouse officials of chemicals at the university aimed at the workshop presented by (AD Montazer Ali Abdul Ridha Saidi) to train laboratory officials in scientific colleges and warehouse officials for chemicals to determine the level of occupational and ecological safety touched The workshop to the process of containing pollution and controlling hazardous materials such as biological materials, chemicals, radioactive materials, nuclear materials and important elements for professional safety such as people, working methods and design of the laboratory, as well as important materials and devices that must be included in each type of laboratory and according to the level of risk, and what equipment, supplies and design for each type of laboratory according to the level of biosafety and recommended the workshop to classify each laboratory in each college according to the degree of biosafety and according to what is available One of the requirements of professional safety, the establishment of training workshops for employees, researchers and laboratory officials in accordance with the internationally approved standard standards for each laboratory according to the level of biosafety, as well as the need to follow the safety and professional prevention procedures and according to the level of risk of work.