Biosafety Cabinet Biosafety Level 3 Laboratory Design

Date laboratory location responsible individual queries are based on the biosafety level 3 section of the biosafety in microbiological and biomedical laboratories 5th edition 2007 circle the response that best describes the laboratory in which work will be performed.

Biosafety cabinet biosafety level 3 laboratory design.

Supply air must be provided in such a manner that prevents positive pressurization of the cabinet. The biosafety officer in collaboration with the institutional biosafety committee must approve the location and design of any bsl 3 facility and has final authority to authorize the commencement of bsl 3 work the biosafety level 3 facility design and operational procedures must be documented. Please see biosafety level 3 guidelines for bsl3 laboratories. Preferably this is a class ii biosafety cabinet or equivalent containment device for work with agents and an autoclave or other suitable method for decontamination within the lab.

For more information on other aspects of the biosafety levels please see the rest of the biosafety section for a general overview. Biosafety level 3 bsl 3 is the recommended containment for work with agents or toxins that may cause serious or potentially fatal disease through inhalation exposure. Facilities as basic biosafety level 1 basic biosafety level 2 containment biosafety level 3 and maximum containment biosafety level 4. Basic laboratory design for biosafety level 3.

Bscs can also be connected to the laboratory exhaust system. Basic laboratory design for biosafety levels 1 and 2. Selfclosing lockable doors and biohazard warning signs are also required at all access points. This section focuses primarily on the biosafety considerations for a biosafety level 2 laboratory.

Hepa filtered exhaust air from a class ii bsc can be safely recirculation back into the laboratory environment if the cabinet is tested and certified at least annually and operated according to manufacturer s recommendations. Table 1 describes the risk groups table 2 relates them to the laboratory designations and table 3 summarizes the requirements at the four biosafety levels. Laboratories covers all design requirements for biosafety level 1 laboratory work areas. The facility must be tested for verification that the design and operational parameters have been.

Bscs are designed to be connected to the laboratory exhaust system in one of two ways. Width international models biohazard cabinets with advanced ergonomic design excel in user comfort and functionality. Laboratory containment for human pathogens. Biosafety level 1 biosafety level 4 facilities.

The assignment of a biosafety level to a particular work process is made through a protocol driven risk assessment. Thimble or canopy connection with partial recirculation to the laboratory space e g for class ii type.