#VIDEOS: Good Microbiological Practices and Procedures #GMPP, @WHO (2/3)
4. Surface decontamination: In the laboratory, there are many surfaces and pieces of equipment that can become contaminated by biological agents or other hazardous materials. Decontamination is required to reduce the risk of infection or harm. Disinfectants, which are chemicals which can kill or neutralise biological agents, are often used for surface decontamination. The choice of disinfectant, their concentration and contact time will all vary depending on the biological agents you are handling.
5: Autoclaves: Of all the methods available to decontaminate laboratory waste, autoclaving is one of the easiest and most effective. Autoclaving combines heat, steam and high pressure to kill biological agents. It is important to note that some biological agents are more robust than others, for example bacterial spores and prions. Pre-treatment with disinfectant, increased temperature, pressure, and contact time may be required to neutralise such agents.
6. Workflow: The term “Workflow” is used to describe how the laboratory is set up into different work areas, and the procedures and systems that enable the people in the facility to carry out their work efficiently and safely. It is important that the workflow at the facility reduces the likelihood of staff being exposed to biological agents; biological agents being released outside the laboratory; and cross contamination.
7. Transport. There will always be a need to transport biological material from one place to another. This could be within a single laboratory, between laboratories in the same facility, or between facilities in different locations. Safe methods and procedures must be in place to prevent any release and risk of infection to the individuals transporting the materials or anyone else the materials might come into contact with.
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