Microbiological Biological Safety Cabinet Diagram

Class ii biological safety cabinet bsc a class ii biological safety cabinet bsc is a ventilated cabinet which provides personnel product and environmental protection.

Microbiological biological safety cabinet diagram. It is commonly found in clinical and research laboratories working with infectious agents in risk groups 2 3 and 4 if positive pressure suits are used or with tissue culture. Biological safety cabinet bsc 2. These are bs en 12469 2000 which covers performance criteria for microbiological safety cabinets and bs 5726 2005 which provides recommendations for best practice for information provided on biological safety cabinets such as information to be supplied by the purchaser to the vendor and to the installer plus recommendations and guidance on. British standards institution bs 5726 2005.

Preparatory steps prior to working with infectious material inside bscs there are a few important steps to take to make sure that work will be done safely and the cabinet is functioning correctly including proper maintenance disinfection and organization of workflow. 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. This is the class ii bsc as specified in the european standard en 12469 and the class ii type a2 bsc as specified in nsf ansi 49 yy 0569 and other standards. Designed in accordance to the class ii european standard en12469 most of telstar biological safety cabinets are certified by tüv nord and are available in sizes raging from 90 cm to 180 cm width.

It has a common plenum from which 30 of air is exhausted and 70 re circulated to the work area as the downflow. Requirements for bsc placement. Cabinets manufactured in accordance to the din12980 standard that are. It is also the most common safety cabinet of all the different types available.

Over ninety percent of biosafety cabinets worldwide are class ii biosafety cabinets of the type a2 variety. Recommendations for cabinet installation. National institutes of health 1996. To aid in the risk assessment process reference materials can be found in nuaire general bulletins for biological safety cabinets nsf ansi 49 annex e biosafety in microbiological and biomedical laboratory bmbl most recent version and other industry publications.