What is a Thorough Examination & Test (TExT)?
Understanding LEV Thorough Examination & Testing
A Thorough Examination and Test (TExT) is a detailed inspection of a Local Exhaust Ventilation (LEV) system to ensure it is operating safely, effectively and in accordance with the Control of Substances Hazardous to Health (COSHH) Regulations.
Most LEV systems must undergo a Thorough Examination and Test at least every 14 months, although some systems may require more frequent examinations depending on the substances being controlled and the working environment.
At A-Mac Environmental, our qualified P601 engineers carry out comprehensive LEV Thorough Examination and Tests for businesses across Scotland, helping organisations protect their workforce and demonstrate compliance with current legislation.
Why is a Thorough Examination & Test Required?
Over time, LEV systems can lose efficiency due to:
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Worn or damaged components
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Blocked filters
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Air leaks
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Damaged ductwork
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Fan wear
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Poor airflow
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Changes to production processes
A Thorough Examination and Test helps identify these issues before they affect employee safety or lead to non-compliance.
Regular testing provides confidence that your LEV system continues to control hazardous airborne contaminants effectively.
Is a Thorough Examination & Test a Legal Requirement?
Yes.
Under the Control of Substances Hazardous to Health (COSHH) Regulations, employers must ensure that LEV systems used to control hazardous substances are thoroughly examined and tested by a competent person at suitable intervals.
For most LEV systems, this means at least once every 14 months.
Some systems, particularly those controlling highly hazardous substances, may require more frequent examinations.
What Happens During an LEV Thorough Examination & Test?
Our engineers carry out a detailed assessment of your LEV system to confirm it continues to perform effectively.
The examination typically includes:
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Visual Inspection
We inspect the complete system, including:
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Capture hoods
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Extraction arms
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Ductwork
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Filters
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Fans
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Air cleaners
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Control panels
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Dampers and valves
We check for damage, wear, corrosion, leaks and poor installation.
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Airflow Measurements
Using specialist equipment, we measure airflow throughout the system to ensure it is operating within its design specification.
This may include:
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Face velocity
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Capture velocity
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Air volume
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Static pressure
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Transport velocity
These measurements help confirm that contaminants are being effectively captured and transported through the system.
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Performance Assessment
We assess whether the LEV system is effectively controlling airborne contaminants generated during normal working activities.
This includes checking:
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Hood positioning
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Airflow direction
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Extraction efficiency
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Filter performance
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Fan operation
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Recommendations
If any issues are identified, we provide clear recommendations to restore or improve system performance.
Where appropriate, we can also provide repairs, upgrades or maintenance to help return the system to full operating condition.
What Does the Test Report Include?
Following the examination, you will receive a comprehensive report that typically includes:
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Details of the LEV system examined
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Airflow measurements
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Test results
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Condition of the equipment
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Any defects identified
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Recommendations for improvement
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Confirmation of whether the system is performing satisfactorily
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Date of the next recommended examination
These records provide valuable evidence that your business is maintaining its LEV systems appropriately.
Which Industries Require LEV Testing?
We carry out Thorough Examination and Tests for businesses across a wide range of industries, including:
Where hazardous airborne contaminants are controlled using LEV, regular testing is essential.
Why Choose A-Mac Environmental?
Businesses throughout Scotland trust A-Mac Environmental because we provide:
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Qualified P601 engineers
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Thorough LEV inspections
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Accurate airflow testing
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Clear, easy-to-understand reports
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Practical recommendations
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Planned testing programmes
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Repairs and maintenance
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Complete LEV support from design through to ongoing compliance
Our goal is to help you maintain safe, efficient and fully compliant LEV systems with minimal disruption to your operations.
Frequently Asked Questions
How often should an LEV system be tested?
Most LEV systems require a Thorough Examination and Test at least every 14 months, although some applications require more frequent testing depending on the risk.
Who can carry out a Thorough Examination & Test?
The examination must be completed by a competent person with the appropriate knowledge, training and experience. A-Mac Environmental's qualified P601 engineers have the expertise to inspect and test a wide range of LEV systems.
How long does an LEV test take?
The time required depends on the size and complexity of the system. Smaller systems may take only a few hours, while larger industrial installations can require a full day or longer.
What happens if my LEV system fails?
If your system is not performing effectively, we'll explain the reasons, provide practical recommendations and, where required, offer repairs or upgrades to restore performance.
Can A-Mac Environmental maintain my LEV system after testing?
Yes. We provide complete LEV maintenance, servicing, repairs and system upgrades, helping you keep your equipment operating efficiently between examinations.
Book Your LEV Thorough Examination & Test
If your LEV system is due for its next Thorough Examination and Test, A-Mac Environmental is here to help.
Our experienced engineers provide professional LEV testing, clear reporting and practical advice to ensure your system continues to protect your workforce and support compliance with COSHH Regulations.
Contact A-Mac Environmental today to arrange your LEV Thorough Examination & Test or discuss a planned maintenance programme tailored to your business.
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