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The United States Center for Disease Control (CDC) has developed guidelines to classify laboratory applications conducted with potentially hazardous biological microorganisms. These levels range from Biosafety Level 1 (the least hazardous) to Biosafety Level 4 (the most hazardous).
In addition to specifying guidelines for the type of work that is classified under each Biosafety Level (BSL), the CDC also has guidelines for the types of precautions and protections needed to mitigate injury resulting from exposure to pathogens. These Biosafety Level protocols have been used by manufacturing companies as references for engineering controls such as biosafety cabinets and glove box enclosures. Creating a secure working environment is a critical goal of the CDC and individual employers.
Continue reading to learn the specific differences between the CDC’s first two Biosafety Levels.
Overview: Biosafety Level 2 is specified as work that poses moderate hazards to personnel and the environment. Research or diagnostic activities that are administered with pathogenic bacteria, such as Staphylococcus aureus or Salmonella, fall into this category. This Biosafety Level builds upon Biosafety Level 1; all of the precautions and practices spelled-out in Biosafety Level 1 must be followed in addition to those found in Biosafety Level 2. Special containment practices and devices are generally required to mitigate risk to laboratory personnel.
BSL operational recommendations are developed to both protect lab personnel and give meaning to their important research. Without these precautions, work would be dangerous, inefficient and more time-consuming. Specialized equipment is a necessary investment, and Terra can help make sure you get everything you need for a successful lab.
Click for more information about our BSCs; visit our Fume Hoods web page; and see information about biohazard containment glove boxes.
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