Local Exhaust Ventilation (LEV) Testing 

 Prevent, control, maintain and monitor exposure to dust and fumes in the workplace
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Why do I need LEV testing?

Employers who use extraction equipment to control substances hazardous to health have a legal obligation to undertake LEV checks and tests to ensure the system can remove the contaminants. In addition to this, by conducting regular LEV testing, employers can be sure that they are:

 
  • Adhering to COSHH regulations

  • Protecting employees’ health

  • Improving production efficiency through reduced staff sickness

  • Ensuring that LEV systems are in efficient working order

Under the COSHH Regulations, companies must take steps to prevent, control, maintain and monitor hazardous substance exposure in the workplace. Regular Local Exhaust Ventilation (LEV) tests and checks are a legal obligation for workplaces who use LEV systems as part of their control measures. 


LEV systems are one way of achieving adequate control to workplace contaminants / emissions.  They are designed to remove the contaminant away from an operative's breathing zone. 

 

LEV can take several forms, these include:

 
  • On-tool extraction

  • Fixed capture hoods

  • Flexible hoods

  • Fume cabinets

  • Spray booths

  • Glove box

The HSE advises that most LEV systems should be thoroughly examined and tested every 14 months to ensure they operate as they should. Some LEV systems, such as those controlling more critical or high-hazard processes, need more frequent thorough examination and testing. Employers must also keep a full record of the examination for at least five years.  


In addition to the thorough examination and test, LEV systems should also be checked every time they are used, as well as scheduled weekly and monthly checks. This is to ensure that the system is operating as intended.  Operators also need to be thoroughly trained in the correct use of the LEV system.

LEV testing
 

Our LEV testing services

Our team of occupational hygienists deliver a range of LEV testing techniques to employers who use LEV systems to control airborne contaminants.

Stay legally compliant by using our LEV examination and testing services. We will thoroughly examine and test your LEV systems, so you can ensure a safe working environment for your employees.


We can provide:

 
  • Flow rate measurement

  • Capture velocity measurement

  • Duct pressure measurement

  • Reports and action plans

  • Recommendations for improvement

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