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 …
One of the Most Powerful Qualitative Tools Available to LEV Engineers and Occupational Hygienists LEVCentral Expert Commentary There are very few occupational hygiene tools that can completely change the way someone thinks about airborne exposure. The Dust Lamp is …
A Simple Introduction to One of the Most Important Mathematical Principles in LEV LEVCentral Expert Commentary One subject that many new LEV engineers find intimidating is fan laws. Yet they are amongst the simplest—and most useful—mathematical relationships used in …
A Practical Guide to Measuring Spray Booth Clearance Times LEVCentral Expert Commentary This short but highly informative article, originally published by Diamond Environmental in 2011, explains one of the most important—but often overlooked—aspects of spray booth performance: clearance time …
Determining Safe Re-entry Times Using Smoke Testing LEVCentral Expert Commentary One of the most important safety features of a spray booth is often one of the least understood — Clearance Time. When spraying has stopped, hazardous airborne paint mist …
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 …
Controlling Exposure to Drilling Muds, Mists and Vapours During Offshore Drilling Operations LEVCentral Expert Commentary Drilling mud systems are fundamental to modern oil and gas drilling operations. They cool and lubricate the drill bit, transport drill cuttings to the …
Ireland’s Equivalent of HSG258 – A Comprehensive Guide to Designing, Commissioning and Managing LEV Systems LEVCentral Expert Commentary For anyone familiar with HSG258 – Controlling Airborne Contaminants at Work, this publication will feel immediately familiar. The Health and Safety …
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