Preparing for an LEV Thorough Examination is one of the best ways to ensure your Local Exhaust Ventilation (LEV) system continues to protect employees and complies with the Control of Substances Hazardous to Health (COSHH) Regulations. While many businesses understand that LEV testing is required, they are often unsure what to do before the inspection.
Proper preparation will ensure that the entire process runs smoothly and enable the identification of any issues that might arise. It will ensure that the engineer can perform the necessary analysis of the system without delay.
No matter whether you run a factory, engineering works, food processing plant, laboratory, or wood works shop, knowing the basics of getting prepared for an LEV test will be of benefit to you.
This guide covers what happens during a Thorough Examination and Test (TExT), what information you need to have on hand, and what you can do beforehand to prepare for the test.
Preparation for a LEV test requires having your extraction system in good working condition and ready for inspection and testing. You should obtain prior reports and data related to your LEV, have all extraction points readily available for inspection, and resolve all problems associated with your LEV before the test.
A Thorough Examination and Test (TExT) is a formal assessment of your LEV system to confirm that it continues to control hazardous airborne contaminants effectively.
During the inspection, a competent engineer will typically:
According to the Health and Safety Executive (HSE), most LEV systems require a Thorough Examination and Test at least every 14 months, although some systems require more frequent inspections.
Preparing for the inspection helps ensure the engineer can assess every part of the system without unnecessary delays. It also reduces the likelihood of avoidable issues that could affect system performance or require a return visit.
Good preparation can also:
One of the preliminary activities one should engage in is reviewing the previous report on LEV testing.
One should ensure that all defects and recommendations noted during the last testing process have been addressed.
Examples of such defects include:
It is also easier for an engineer to make comparisons with records when conducting the present evaluation.
Before the inspection, ensure the LEV system is operating normally.
Carry out basic visual checks such as:
If problems are identified, arrange repairs before the examination where possible.
Businesses with LEV Maintenance Contracts are often able to identify these issues during routine servicing.
The engineer will need safe access to all parts of the LEV system.
This includes:
Removing stored materials or equipment blocking access can help the inspection run more efficiently.
Documentation before visiting saves time.
Important documentation includes:
These documents help build a complete picture of the system's condition.
Employees should know when the inspection will take place, particularly if equipment needs to be temporarily stopped or tested during production.
Good communication helps minimise disruption and ensures the engineer can safely complete the examination.
Small issues often become larger problems if left unresolved.
Examples include:
Addressing these early may improve system performance before testing takes place.
Some businesses unintentionally make the examination more difficult by:
A planned approach throughout the year is usually more effective than preparing at the last minute.
A Thorough Examination should always be carried out by a competent person with the appropriate knowledge and experience.
When choosing an LEV provider, consider:
Selecting the right provider helps ensure your LEV system is assessed accurately and continues to protect employees.
LEV Thorough Examination preparation is not simply about passing an examination. This process will ensure that your extraction system can continue to control harmful substances in the air.
At DevineAir, we provide LEV testing, maintenance, design, consultancy, and awareness training, as well as air quality assessments, noise surveys, cleanroom testing, hand-arm vibration assessments, and lighting surveys. If your next LEV test is approaching, our experienced team can help you prepare and ensure your system continues to perform effectively.
Get in touch with DevineAir today and get the quality service you deserve.
Review previous reports, check that the system is operating correctly, ensure equipment is accessible, gather maintenance records, and address any known defects before the inspection.
Most LEV systems require a Thorough Examination and Test at least every 14 months, although some systems require more frequent inspections.
Yes. Routine maintenance can identify worn components, blocked filters, damaged ductwork, and other issues before the formal examination.
The inspection report will identify the issues affecting performance and recommend corrective actions to restore effective control of airborne contaminants.
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