Laboratory biosafety ppt

  • What are the biosafety level laboratories?

    4 Biosafety Lab Levels

    BSL1.
    Controlled access.
    Hand washing sink.
    Sharp hazards warning policy. BSL2.
    Controlled access.
    Hand washing sink.
    Sharp hazards warning policy. BSL3 (with risk-based enhancements) Air tight when disinfecting.
    Self-closing, double-door access. BSL4.
    Air tight.
    Self-closing, double-door access..

  • What are the principles of laboratory biosafety?

    Laboratory biosafety practices are based on the principle of containment of biological agents to prevent exposure to laboratory workers and the outside environment.
    Primary containment protects the laboratory workers and the immediate laboratory environment from exposure to biological agents..

  • What determines laboratory biosafety?

    There are four biosafety levels.
    Each level has specific controls for containment of microbes and biological agents.
    The primary risks that determine levels of containment are infectivity, severity of disease, transmissibility, and the nature of the work conducted..

What are the basic principles of laboratory safety?

remain steadfast.
These principles are containment and risk assessment.
The fundamentals of containment include:

  • the microbiological practices
  • safety equipment
  • and facility safeguards that protect laboratory workers
  • the environment
  • and the public from exposure to infectious microorganisms that are handled and stored in the laboratory.

    • What are the laboratory biosafety level criteria?

    Section IV—Laboratory Biosafety Level Criteria 41 b.
    High concentrations or large volumes of infectious agents are used.
    Such materials may be centrifuged in the open laboratory using sealed rotors or centrifuge safety cups with loading and unloading of the rotors and centrifuge safety cups in the BSC or another containment device. c.


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