Local Exhaust Ventilation (LEV) In 'Health and Safety Topics' Controlled DrugsDrug PrecursorsOzone Depleting SubstancesA-Z Back to 'Safety Services' The definition of a local exhaust ventilation (LEV) system is: an engineering control system to reduce exposures to airborne contaminants such as dust, mist, fume, vapour or gas in the workplace. Simply put it is something that sucks an airborne contaminant out of the workplace. It is vital that the correct LEV is chosen for a particular task and kept correctly maintaied. If a process or activity with which the LEV is associated is changed then the suitability and specification of the LEV system must be re-assessed. LEV and related policies: LEV Policy V8- Covers responsibilities, selection, installation, commussioning, testing and maintenance of LEV systems. Fume Cupboard Policy – including recirculating fume cupboards Statutory Inspection, Examination and/or Testing of Specified Equipment -University policy (PDF 100KB) Estate's arrangements for implementing statutory testing (PDF 187KB) Additional resources: LEV Request Form -For all new LEV and modifications to existing systems. Fume Cupboard Request Form -For all new fume cupboards. Ducted fume cupboard system logbook Recirculating fume cupboard logbook Fume Cupboard Training Record example Fume Cupboard pre-use checks sign Unattended Fume Cupboard Experiment Form Management checklist - planning and action for sustainable LEV Filters for Recirculating Filtration Fume Cupboards LEV Canvas training Further reading: HSE LEV information Controlling airborne contaminants at work: A HSE guide to local exhaust ventilation (LEV) Useful links: A-Z of topics Contacts for advice Hazardous Substances Colleges College of Arts and Law College of Engineering and Physical Sciences College of Life and Environmental Sciences College of Medical and Dental Sciences College of Social Sciences Professional Services Academic Services Campus Services (formerly HAS) Development and Alumni Relations Estates Executive Support External Relations Finance Human Resources IT Services Legal Services