Because Biosafety Level 3 (BSL-3) Organisms Have the Potential for Aerosol

Multiple Choice

Because biosafety level 3 (BSL-3) organisms have the potential for aerosol transmission, and diseases with these agents may have serious lethal consequences, all of the following guidelines apply to BSL-3 laboratories, except:

A) BSL-3 laboratories should be separated from other parts of the building by an anteroom.
B) BSL-3 laboratories should have restricted access with documentation of personnel entering and exiting the laboratory.
C) BSL-3 laboratories should have solid ceiling and floor seams, and any seams must be sealed.
D) BSL-3 laboratories should have positive air pressure.