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Working with a pipette and colorful materials in a NSF/ANSI 42-2024 Class II biosafety cabinet.
ANSI | Laboratory

NSF/ANSI 49-2024: Biosafety Cabinets Design and Performance

ByBrad Kelechava January 10, 2025June 4, 2025

Biosafety Cabinetry and NSF/ANSI 49 Biosafety cabinets (BSCs) come in three classes. The higher the class, the greater the protection afforded to personnel, products, and…

A scientist in purple gloves holding culture in a NSF/ANSI 49-2020 Class II biosafety cabinet.
ANSI | Laboratory

Class II Biosafety Cabinets, as Specified in NSF/ANSI 49-2024

ByBrad Kelechava March 16, 2023June 4, 2025

Biosafety cabinetry protects personnel, products, and the surrounding environment from hazards that arise when working with pathogenic agents. The degree of protection provided, however, is…

Microbiological culture in biosafety level 3 lab, BSL-3, designed with ANSI/ASSP Z9.14-2020
ANSI | Laboratory

Biosafety Level 3 (BSL-3) Ventilation Systems, ANSI/ASSP Z9.14-2020

ByBrad Kelechava May 1, 2020May 29, 2025

Analyzed and studied in laboratories each day, biological agents and toxins can be invisible, malicious storms, and much like how the presence of these pathogens…

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