Reducing Workplace Contaminant With Local Exhaust Ventilation According to Health and Safety Authority, Local Exhaust ventilation (LEV) is an engineering system designed to reduce employee exposure to airborne contaminants (dust, mist, fume, vapour, gas) in the workplace by capturing the emission at source and transporting it to a safe emission point or to a filter/scrubber. … Continue reading Reducing Workplace Contaminant With Local Exhaust Ventilation