L.E.V Testing

Posted on June-06-2021

Local exhaust ventilation (L.E.V) is often called dust and/or fume extraction; it can help keep the environment clean before people breathe in these harmful substances.

Local Exhaust Ventilation explained…

Every year many employees contract occupational asthma and other lung diseases, as reported by The Health and Safety Executive (HSE). These health issues develop because of high volumes of dust, fumes and other airborne contaminants in the workplace.

A local exhaust ventilation (LEV) system uses extract ventilation to prevent, or substantially reduce, the level of these airborne hazardous substances. It draws pollutants, dust and noxious fumes away from a process or operation that are harmful to the health of staff.

An LEV is normally made up of an extract inlet such as a hood, slot, booth or cabinet placed around or close to, the point of release of the potentially harmful substance. It is typically connected by ducting via an extract fan to exit the atmosphere or returned elsewhere in the workplace having first been cleaned to make it safe for release.

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