Evaluating Containment Effectiveness of A2 and B2 Biological Safety Cabinets

This study investigates the use of a canopy-connected recirculating class II type A2 biological safety cabinet (BSC) as an alternative to the B2 when preparing volatile, sterile compounded preparations.

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Nitrous Oxide as a Tracer Gas in the ASHRAE 110-1995 Standard

This report serves to investigate the use of nitrous oxide (N2O) as an alternate tracer gas for hood performance testing.

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