Biosafety Cabinet Levels

The ibc uses the biosafety levels recommended by the cdc and nih as the usual standards of containment to be set for work with a given biohazardous material.

Biosafety cabinet levels.

These agents include bacteria fungi parasites prions rickettsial agents and viruses the latter being probably the largest and most important group. You will learn about each level on the following screens. Containment requirements are subject to modification by the ibc at its discretion depending on the circumstances presented by a specific project. These energy efficient cabinets provide both personal and product protection from biological hazards and contamination and can be connected to external exhaust to provide protection for volatile toxic chemicals used in the cabinet.

Department of health and human services hhs publication cdc 99 8395. Class ii type b2 which must be externally vented by design are. Summary of biosafety levels and infections agents 4 a guide to biosafety biological safety cabinets biohazards and biosafety levels. The biosafety levels range from bsl 1 to bsl 4.

In the united states the centers for disease control and prevention cdc have specified these levels. The levels of containment range from the lowest biosafety level 1 bsl 1 to the highest at level 4 bsl 4. Class ii type a2 or type c1 biosafety cabinets are suitable and do not require external ventilation. Each biosafety level builds on the controls of the level before it.

Every microbiology laboratory regardless of biosafety level follows standard microbiological practices. References and further reading. A biosafety cabinet bsc also called a biological safety cabinet or microbiological safety cabinet is an enclosed ventilated laboratory workspace for safely working with materials contaminated with or potentially contaminated with pathogens requiring a defined biosafety level several different types of bsc exist differentiated by the degree of biocontainment required. Information about the biosafety level requirements for handling sar cov 2 covid 19 coronavirus can be found here.

A biosafety level bsl or pathogen protection level is a set of biocontainment precautions required to isolate dangerous biological agents in an enclosed laboratory facility. Richmond jy mckinney rw. Biosafety in microbiology and biomedical laboratories u s. Preferably this is a class ii biosafety cabinet or equivalent containment device for work with agents.

The four biosafety levels were developed to protect against a world of select agents. The thermo scientific 1300 series a2 bsc meets nsf ansi 49 for a class ii type a2 biosafety cabinet. A guide to biosafety biological safety cabinets.