LEVCentral Expert Commentary Excessive fan vibration is one of the earliest indicators that an LEV system may no longer be operating as intended. Whilst vibration is often viewed simply as a maintenance issue, it can also indicate deterioration in fan …
LEVCentral Expert Commentary The BOHS M505 – Control of Hazardous Substances module is one of the core qualifications within the BOHS Certificate of Operational Competence in Occupational Hygiene (CertOH). It introduces the principles of controlling occupational exposure to hazardous substances …
LEVCentral Expert Commentary Electrostatic Precipitators (ESPs) are capable of achieving collection efficiencies in excess of 99%, but this level of performance is only possible when the precipitator has been correctly designed for its specific application. This EPA training lesson examines …
LEVCentral Expert Commentary Every LEV engineer performs calculations on a regular basis. Whether determining duct volume flow, calculating air changes, converting pressure units or averaging face velocity readings, these calculations are fundamental to commissioning, troubleshooting and Thorough Examination & Testing …
The World’s Leading Engineering Reference for LEV Design LEVCentral Expert Commentary Few publications have influenced the design of Local Exhaust Ventilation systems as profoundly as the ACGIH Industrial Ventilation – A Manual of Recommended Practice for Design. Since …
Supporting Effective LEV Management, Testing and User Awareness LEVCentral Expert Commentary One of the simplest and most cost-effective ways of improving LEV management is ensuring that systems are clearly identified and that key information is readily available to users, …
A Review of the Effectiveness of On-tool Extraction and Water Suppression LEVCentral Expert Commentary Construction activities such as cutting, chasing, grinding, drilling, polishing, sanding and demolition frequently generate large quantities of respirable dust. Where materials contain crystalline silica, uncontrolled exposure …
LEVCentral Expert Commentary INDG388 is one of HSE’s most practical guidance documents for employers, managers and supervisors involved in paint spraying operations using isocyanate-containing products. Although primarily aimed at vehicle bodyshops, the principles apply equally to any industry where two-pack …
Updated Guidance – How to Functionally Test and Regulate Ventilation Systems LEVCentral Expert Commentary BSRIA BG 49 has long been regarded as one of the industry’s principal references for the commissioning of air distribution systems. The 2024 edition supersedes BG …
How Simple Changes to an LEV System Significantly Improved Control of Gases, Mists and Vapours LEVCentral Expert Commentary One of the most valuable lessons in LEV design is that significant improvements in performance do not always require major investment. …
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