Minimising noise is an important part of LEV design. The easiest way to achieve minimal noise, is by designing to encourage laminar flow. i.e. No bends directly before and after a fanset, no sharp tapers and use angled branch joints …
SHAPA Practical Guidance for Suppliers and Operators of Solid Handling Equipment for Potentially Explosive Dusts. Taken from the foreword: It is the policy of the SHAPA technical committee to systematically review the technical papers & presentations listed in the “Technical …
Earlier in 2019, the HSE released their bulletin announcing that Mild Steel welding fumes was now classed as carcinogen. This put Mild steel welding into the same category as Stainless and Galv welding (just to name a few examples). The …
This HSE slide show explains the importance of Tyndall lamp assessments in a spray paint application. A Tyndall lamp uses the sunlight effect to illuminate invisible particles that you cannot see under normal circumstances. The tyndall assessment is an important …
An online Welding Fume Control Selector Tool In light of the HSE’s bulletin announcing Mild Steel welding as a carcinogen, Breathe Freely have supplied this web-tool. It is designed to complement the information on the Breathe Freely in Manufacturing webpages. …
Controlling airborne contaminants at work; A guide to local exhaust ventilation (LEV) Third Edition, Published by HSE 2017 This is HSE’s current guide on LEV and related topics. Here you will find recommended Duct Velocities, Captor Velocities, Face Velocities, and …
Now in its 31st Edition Since the 26th Edition, this industry standard LEV Manual has undergone several major changes and upgrades Additions include chapters on – “Organization and Evaluation of Systems”; “Metric Solutions and Tables”; and “Calculation Sheets and Methods”. …
In February 2019 HSE released a Press Note which advised of the new health warning status of welding fume. The main points made were:- New scientific evidence that exposure to all welding fume, including mild steel welding fume, can cause …
CoSHH Essentials: “Controlling Exposure to Chemicals – a Simple Control Banding Approach” Occupational hygienists and others colleagues use this CoSHH essentials control banding approach to identify suitable options for mitigating risks from substances hazardous to health. This approach is particularly …
Excellent guide from CLEAPSS to assist (in particular) schools and colleges in the selection process for Fume Cupboards. Simple straight-forward information sheet. Interestingly advises minimum face velocity to be 0.3 m/s but then goes on to state “ideally 0.4 to …
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