Biosafety Level 4 (BSL-4)
In addition to biosafety level 3 considerations, biosafety level 4 laboratories must follow these safety protocols: Personnel must change clothing before entering the facility and shower upon exiting.
All materials must be decontaminated before leaving the facility.Nov 3, 2022.
Biosafety Level 3 (BSL-3)
BSL-3 laboratories are designed to be easily decontaminated.
As an additional safety measure, these laboratories must use controlled, or “directional,” air flow to ensure that air flows from non-laboratory areas (such as the hallway) into laboratory areas..
Biosafety Levels
They follow basic safety procedures, called Standard Microbiological Practices and require no special equipment or design features.
Standard engineering controls in BSL-1 laboratories include easily cleaned surfaces that are able to withstand the basic chemicals used in the laboratory..
Common examples of microbes found in BSL-3 labs include yellow fever, West Nile virus, and the bacteria that causes tuberculosis.
Microbes found within biosafety level 3 settings are so serious that work is often strictly controlled and registered through the appropriate government agencies.Nov 3, 2022.
Scale for turbidity measurement
