biosafety level 3
Definition
Noun A classification for a containment level used in laboratories working with indigenous or exotic agents that may cause serious or potentially lethal disease through inhalation exposure. This level requires specific engineering controls, safety equipment, and laboratory practices to protect personnel and the environment.
Usage
"Biosafety level 3" is a formal, technical term used in microbiology, public health, and laboratory safety protocols. It designates a specific set of safety precautions.
Examples
- The research on the tuberculosis bacteria must be conducted in a biosafety level 3 laboratory.
- To handle that virus, the institute upgraded its facilities to meet biosafety level 3 standards.
- Working at biosafety level 3 requires wearing respirators and using sealed containment cabinets.
Advanced Usage
- The term is often abbreviated as BSL-3 in scientific literature and laboratory signage.
- It is part of a graded scale, with level 1 representing minimal risk and level 4 representing the highest risk (for dangerous, often exotic, pathogens with no available treatment).
Variants and Related Words
- BSL-3: The standard abbreviation for biosafety level 3.
- Biosafety level (BSL): The general term for the containment classification system.
- Containment level: A synonym often used interchangeably with biosafety level.
- Biosafety cabinet: A key piece of safety equipment required in BSL-3 labs.
Synonyms
- Containment level 3
- BSL-3
Related Phrases
- BSL-3 practices: The specific standard operating procedures required for this level.
- BSL-3 facility: A laboratory designed and certified to operate at this containment level.
Noun
-
exposure to infectious agents that can be transmitted by the respiratory route and which can cause serious infection
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