Understanding NSF/ANSI Standards for Biosafety Cabinet Certifications

Biosafety cabinets are vital pieces of lab equipment that are commonly used when working with potentially harmful or hazardous materials. They help to keep personnel and premises safe and clear of hazardous agents and substances by containment, shielding, and by use of HEPA filtration.

Types of Biosafety Cabinets

Biosafety cabinets are available in three different classes, with each type being best used for a specific level of hazard. The higher the class, the greater the protection, both for workers and the surrounding environment.

Class I Biosafety Cabinets

These provide personnel and environmental protection, but no product protection. Class I biosafety cabinets capture aerosols and contaminants generated from the work product when inside the cabinet, but because they draw in unfiltered ambient air from the surrounding environment, the work product can be contaminated. These are best used in low-risk experiments where sterility is not necessary.

Class II Biosafety Cabinets

Class II biosafety cabinets help to protect personnel, product, and environment via partial barrier systems and the efficient movement of filtered air. This class of biosafety cabinet is commonly used for experiments and applications that require sterile conditions (e.g. cell culture and microbiology).

Class III Biosafety Cabinets 

Class III biosafety cabinets are the top tier of protection, and are made for use with very hazardous materials, like infectious microbiological agents. They provide maximum protection for workers and their surroundings.

What is NSF Biosafety Cabinet Certification?

Biosafety cabinet certification is required to ensure that the unit is in good, safe, proper working order. The NSF/ANSI 49 standard–developed by the National Sanitation Foundation (NSF) and the American National Standards Institute (ANSI)–sets the requirements for biosafety cabinet design, construction, and performance. Through meeting these standards, biosafety cabinet certification ensures that your unit is able to protect personnel, work product, and work environment while still operating reliably and being durable enough to stand up to regular use.

Biosafety cabinet certification is a thorough inspection that is done any time a cabinet is altered in any way, from repairs to relocation. It is also necessary on an arbitrary timeline–semiannually or annually, depending on relevant guidelines for a specific type of cabinet or type of work product being used in said cabinet. These certifications ensure that every part of the cabinet is in good working order and providing the promised and stated protection. If cabinets are not performing as they should be, repairs can be made and the cabinet can then be recertified to ensure that it is safe for use going forward.

Who Needs Biosafety Cabinet Certification?

Biosafety cabinet certification is a must for any lab equipment that meets the criteria. These cabinets are typically regularly used, and can handle toxic, hazardous, or harmful agents, so ensuring that the unit is working properly is vital. Common settings that will need semiannual or annual biosafety cabinet certifications include:

• Clinical Laboratories: hospitals, diagnostic laboratories, pathology labs
• Research Facilities: biomedical, microbiological, virology labs
• Biotech/Pharmaceutical Companies: drug compounding, vaccine development, gene therapy
• Universities/Academic Institutions: labs conducting biological research
• Government/Military Labs: agencies for public health, biodefense, agriculture

Any lab in any company or institution that uses biosafety cabinets to handle hazardous materials needs to have regular certifications. Biosafety cabinet certification is also necessary at the time of installation, and any time the unit is moved, repaired, inspected, or relocated. 

What Does a Biosafety Cabinet Certification Entail?

Typical tests performed can include: 

• Inflow and downflow velocity tests
• HEPA filter test
• Airflow patterns test
• Noise and vibration tests
• Materials and illumination inspection
• Site installation inspection

The step-by-step certification process includes a preassessment visual inspection, various modes of performance testing, and finally documentation and reporting, including a certification report. A full report with a comprehensive list of relevant details is provided, which is often necessary for regulatory audits and quality assurance checks.

Why Is Biosafety Cabinet Certification Important?

Scientific research depends on a controlled and safe environment for accurate results. The NSF/ANSI 49 standard makes this more streamlined across all laboratories, ensuring that if a biosafety cabinet certification is completed, the lab equipment can be sure to provide the following benefits:

• Personnel protection
• Prevention of cross-contamination
• Assurance of environmental safety
• Regulatory compliance
• Consistency and uniformity

NSF/ANSI standards are must-haves for safe and responsible use of lab equipment, such as biosafety cabinets. Regular biosafety cabinet certification ensures research integrity and is integral to the progression of scientific research.

Biosafety Cabinet Certification from DigeLab Solutions

The reliability and integrity of your lab equipment and your research depend on proper maintenance, service, and regular certification. If your lab is in need of biosafety cabinet certification, you can rely on the professional, skilled and knowledgeable team at DigeLab Solutions. We understand and respect your demanding schedule and tight timelines and so make inspections and certifications as convenient as possible. Contact us today to learn more and schedule your next biosafety cabinet certification.