LEV guide
How Often Is LEV Testing Required?
Many LEV systems should be thoroughly examined and tested at least every 14 months. Some processes, equipment or risk conditions may need shorter intervals, so the report and competent advice should set the next due date clearly.
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Why the interval matters
LEV performance can drift through blocked filters, damaged hoods, changed processes, poor use, duct problems or fan issues. The examination checks whether the system is still performing as intended.
What should be stored
Keep the report, defect list, remedial evidence, retest notes where needed, next due date and any relevant commissioning or design performance information together.
How we reduce the admin
We record the next due date, keep the quote and report trail together, and help turn report findings into a clear action tracker.
Useful source links
For regulatory context, see HSE guidance on local exhaust ventilation and HSE LEV frequently asked questions. These pages help organise the quote and evidence process; they do not replace competent technical advice.
FAQ
Can LEV Testing Direct give legal advice?
No. We provide practical coordination and evidence support. Employers remain responsible for assessing and controlling exposure under COSHH, with competent advice where needed.
Can you arrange the next practical step?
Yes. Send the site details, system photos and any existing report through the quote form, and we will confirm whether we can arrange a suitable examiner quote.