Local Exhaust Ventilation (LEV/CoSHH)

Local Exhaust Ventilation / Control of Substances Hazardous to Health

There are three sets of Regulations, which employers are required to follow in order to operate and maintain LEV equipment:

  • The Control of Substances Hazardous to Health (COSHH) Regulations 2002 1
  • The Control of Asbestos Regulations 2012 2
  • The Control of Lead at Work Regulations 2002 3

The COSHH Regulations aim to ensure the safety of all people who deal with hazardous substances.

Examination and testing of the equipment should be every 14 months unless it is listed in schedule 5 of the CoSHH ACOP.

Process Minimum frequency between tests* 

Processes in which blasting is carried out in or incidental to the cleaning of metal castings, in connection with their manufacture.

1 month
Processes, other than wet processes, in which metal articles (other than gold, platinum or iridium) are ground, abraded or polished using mechanical power, in any room for more than 12 hours in any week. 6 months
Processes giving off dust or fume in which non-ferrous metal castings are produced. 6 months
Jute cloth manufacture. 1 month

* Or where risk assessment by a competent person indicates a more frequent inspection and examination is required.

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Contains public sector information published by the Health and Safety Executive and licensed under the Open Government Licence.