NSF/ANSI 49 Annex I-1
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Biosafety Cabinetry
We certify the design, construction and performance of biosafety cabinets to NSF/ANSI 49 and provide biosafety cabinet field certifier accreditation.
NSF's biosafety cabinetry program was initiated in the 1970s at the request of the regulatory community, including the Centers for Disease Control, the National Institutes of Health and the National Cancer Institute.
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Biosafety Cabinetry Certification: NSF/ANSI 49
NSF International tests and certifies Class II (laminar flow) biosafety cabinetry, which is designed to minimize the hazards inherent in working with biosafety agents of levels 1, 2, 3 or 4.
Biosafety Cabinet Field Certifier Accreditation
NSF operates two accreditation programs that evaluate the proficiency of individuals who perform field certification of biosafety cabinets: an enhanced accreditation program for field certifiers in North America and a basic accreditation program for field certifiers outside of North America.
News and Events
NSF Certified Biosafety Cabinets – An Important Part of Converting Labs for COVID-19 Testing
May 12, 2020
NSF-certified biosafety cabinets are vital primary containment devices at laboratories handling microbiological and biomedical materials, and their behind-the-scenes role has never been more critical. These cabinets allow lab staff to work safely and swiftly when testing for the SARS-CoV-2 virus that causes COVID-19.
NSF International Expands Biosafety Cabinet Field Certifier Accreditation
January 29, 2018
The program offers accreditation for biosafety field certifiers around the world to ensure biosafety cabinets are properly maintained
OEHHA Issues Proposed NSRLs for Three Disinfection By-Products
August 11, 2020
On May 22, the California Office of Environmental Health Hazard Assessment (OEHHA), which assesses health risks of environmental contaminants in products sold in California, issued three notices of proposed rulemaking (NPRs) establishing proposed no significant risk levels (NSRLs) for three water disinfection by-products : trichloroacetic acid, dibromoacetic acid and dichloroacetic acid; also known as haloacetic acids. These NPRs were open for comment until July 7. OEHHA is now reviewing the comments and will then issue a final rule.
Clean Water Crusader Joseph Cotruvo Earns 2020 Environmental Health Award From NSF International and NEHA
July 30, 2020
Given annually in honor of NSF International’s co-founder and first executive director, the Walter F. Snyder award recognizes outstanding contributions to the advancement of environmental health.