All purchases of biological safety cabinets for any reason and in any quantity, whether by NIH researchers or contractor supplied, require prior clearance from the Division of Occupational Health and Safety per NIH Manual Chapter 6307-3/26307-3 Special Clearance and Other Acquisition Procedures. The clearance is required to determine that the selected biological safety cabinet is appropriate for the research being conducted and can be supported by the NIH Facilities where it is to be installed. For more information, contact the Technical Assistance Branch at 301-496-3457.

Class II, Type A2 Biological Safety Cabinet Ordering Criteria for the National Institutes of Health

There is a limited need for Class II Type B Biological Safety Cabinets at the NIH. In addition, Class II Type B Biological Safety Cabinets require very specific installation and operating conditions to function correctly. The majority of facilities at the NIH cannot support them and they are not recommended for installation. For more information, contact the Technical Assistance Branch at 301-496-3457.

Class II, Type B1 Laminar Flow Biological Safety Cabinet Ordering Criteria for the National Institutes of Health

Class II, Type B2 Laminar Flow Biological Safety Cabinets at Ordering Criteria for the National Institutes of Health