Whitepaper
Volatile Chemicals and Class II Type A2 “Recirculated” BSCs: How Much is Safe?
Biosafety Cabinets (BSCs) are ventilated enclosures for containing biohazard work assigned to Biosafety Levels 1 through 4 as described in the BMBL (CDC, 2009).
These enclosures or Primary Engineering Controls (PECs) are categorized into three Classes depending on the type of protection offered. Class II offers three types of protection: Personnel, Product, and Environmental. Within this classification are four types of BSCs.