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 BSL-3 laboratories should:

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