Biosafety in Microbiological and Biomedical Laboratories, 4th ed
Jonathan Y. Richmond
U.S. Department of Health and Human Services
Public Health Service Centers for Disease Control
This publication describes the combinations of standard and special microbiological practices, safety equipment, and facilities constituting Biosafety Levels 1-4, which are recommended for work with a variety of infectious agents in various laboratory settings.
These recommendations are advisory. They are intended to provide a voluntary guide or code of practice as well as goals for upgrading operations. They also are offered as a guide and reference in the construction of new laboratory facilities and in the renovation of existing facilities.