Local exhaust ventilation (LEV) systems.

Autor: Stranks, Jeremy
Předmět:
Zdroj: A-Z of the Environment. 2008, p247-249. 3p.
Abstrakt: A definition of the term "local exhaust ventilation (LEV) systems" is presented. It refers to a system which should remove the airborne contaminant to a site of production before the contaminant can be inhaled. It may be fixed as a laboratory fume cupboard or portable as in the case of a welding fume extraction unit. It takes the form of receptor systems and captor systems.
Databáze: GreenFILE