In many regions of the country, restaurants are required by health board regulations to have their kitchen exhaust hoods cleaned on a regular basis to prevent bacteria growth and potential grease ...

The chemical exhaust hood is the most useful of these engineering controls. The purpose of a chemical exhaust hood is to prevent or minimize the escape of airborne contaminants from the hood to the ...

The laboratory chemical fume hood is the most common local exhaust ventilation system used in laboratories and is the primary method used to control inhalation exposures to hazardous substances. When ...

Research labs typically have a chemical fume hood or a biosafety cabinet as the primary engineering ... Below is a list of local exhaust systems and containment devices for consideration.