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Fume hoods, also known as laboratory chemical hoods, are one of the most important and widely used engineering controls to protect laboratory workers. Fume hoods were introduced about 100 years ago to safeguard personnel working with hazardous materials.
A laboratory that uses a VAV fume hood with a sash that is kept open only during working hours of the day would save a significant amount on energy costs compared to a laboratory using CAV hoods that are fully open 100% of the time, regardless of sash height. [29] [40]
Fume hood Glove box A biosafety cabinet ( BSC )—also called a biological safety cabinet or microbiological safety cabinet —is an enclosed, ventilated laboratory workspace for safely working with materials contaminated with (or potentially contaminated with) pathogens requiring a defined biosafety level .
Despite their similar appearance, a laminar flow cabinet should not to be confused with a fume hood. A laminar flow cabinet blows unfiltered exhaust air towards the worker and is not safe for work with pathogenic agents, [ 2 ] : 13 [ 3 ] while a fume hood maintains negative pressure with constant exhaust to protect the user, but does not ...
A fume hood is an example of an engineering control that uses local exhaust ventilation combined with an enclosure to isolate a worker from nanomaterials that may become airborne. Engineering controls for nanomaterials are a set of hazard control methods and equipment for workers who interact with nanomaterials .
Hazmat vehicles also often come with a portable lab complete with sinks and fume hoods that allow for the analysis of samples collected at the scene. [1] Essentially a mobile laboratory, this allows early on-site scientific analysis and monitoring to speed up the detection process and allow firefighters and other emergency services to provide ...
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