• BOHS QUALIFIED HYGIENISTS

LEV Testing in Leeds

We provide LEV Thorough Examination and Test (TExT) services across Leeds and West Yorkshire, helping duty holders maintain effective control of airborne contaminants.

All work is carried out by qualified occupational hygienists and P601-certified LEV engineers, ensuring systems are assessed competently and in line with current guidance.

We work across both industrial and technical sites in Leeds, Bradford, Wakefield, Huddersfield and the wider region.

Call us: 0191 410 5495
0191 410 5495
Our experts
  • WHAT WE DO

Practical LEV assessment & recommendations

Our assessments focus on how systems perform in practice, ensuring effective control is being achieved through detailed examination.

Full TExT & Reporting

Full statutory examination of LEV, including visual inspection, performance testing and assessment against design intent.

Full statutory examination of LEV systems, including visual inspection, quantitative testing and assessment against intent.

Airflow Measurement

Measurement of air velocities, volume flow rates and pressures across hoods, ducts, filters and system components.

Capture Effectiveness

Assessment of how effectively contaminants are captured at source, including smoke and light beam tests.

System Condition

Evaluation of filters, fans, ductwork, and overall system condition, identifying any issues that may affect performance.

BOHS Qualified

Our assessors are qualified occupational hygienists and P601 engineers, ensuring experience and competence.

HSG258 Compliant

Testing is carried out in line with HSG258 and COSHH guidance for the thorough examination of LEV systems.

Design Recommendations

Practical recommendations for system improvements or installations, based on performance, process and exposure risk.

LVHV Assessments

Assessment of low-volume high-velocity systems, including on-torch and on-tool extraction, to verify control.

Occupational Hygiene

Supporting occupational hygiene services available where required, including exposure monitoring and COSHH assessments.

  • CONTACT US

Get a quote for your next assessment

Whether you’re due a routine inspection or have concerns around system performance, we’re happy to review your LEV system and provide a practical quotation.

0191 410 5495

NOHH Ltd, J33 The Avenues, Team Valley Trading Estate, Gateshead, Tyne & Wear, NE11 0NJ

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More than 40+ years experience

NOHH Ltd was founded as a leading provider of occupational hygiene services in the UK.

More than 40+ years experience

NOHH Ltd was founded as a leading provider of occupational hygiene services in the UK.

More than 40+ years experience

NOHH Ltd was founded as a leading provider of occupational hygiene services in the UK.