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Scope: This standard applies to Class II (laminar flow) biohazard cabinetry designed to minimize hazards inherent in work with agents assigned to biosafety levels 1, 2 or 3 and defines the tests which shall be passed by such cabinetry to meet this standard. This standard includes basic requirements for design, construction, and performance that are intended to provide personnel, product, and environmental protection, reliable operation, durability, cleanability, noise level, illumination, limitations on temperature rise, vibration, and electrical leakage ground circuit resistance and polarity.
 

Document History

  1. NSF 49-2018


    Biosafety Cabinetry: Design, Construction, Performance, and Field Certification

    • Most Recent
  2. NSF 49-2016


    Biosafety Cabinetry: Design, Construction, Performance, and Field Certification

    • Historical Version
  3. NSF 49-2014


    Biosafety Cabinetry: Design, Construction, Performance, and Field Certification

    • Historical Version
  4. NSF 49-2012


    Biosafety Cabinetry: Design, Construction, Performance, and Field Certification

    • Historical Version
  5. NSF 49-2011


    Biosafety Cabinetry: Design, Construction, Performance, and Field Certification

    • Historical Version
  6. NSF 49-2010a


    Biosafety Cabinetry: Design, Construction, Performance, and Field Certification

    • Historical Version
  7. NSF 49-2009


    NSF 49 Class II (Laminar Flow) Biosafety Cabinetry

    • Historical Version
  8. NSF 49-2008


    NSF 49 Class II (Laminar Flow) Biosafety Cabinetry

    • Historical Version
  9. NSF 49-2007


    NSF 49 Class II (Laminar Flow) Biosafety Cabinetry

    • Historical Version
  10. NSF 49-2004a


    NSF 49 Class II (Laminar Flow) Biosafety Cabinetry

    • Historical Version
  11. NSF 49-04


    NSF 49 Class II (laminar flow) Biosafety Cabinetry

    • Historical Version
  12. NSF 49-02e


    NSF 49 Class II (laminar flow) Biosafety Cabinetry

    • Historical Version
  13. NSF 49-2002


    Class II (Laminar Flow) Biohazard Cabinetry

    • Historical Version
  14. NSF 49-1992

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    Class II (Laminar Flow) Biohazard Cabinetry

    • Historical Version