LEV Central

The Knowledge Base for LEV

HSE/UKLA “Good Practice Guide for Safe Handling and Disposal of Metalworking Fluids”

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This revised publication from UKLA/HSE on good practice for safe handling and disposal of metalworking fluid (MWF) provides a guide on how to maintain MWF to prevent ill-health in machine workshops. It has been prepared by a panel of experts from the UK Lubricants Association (UKLA) Metalworking Fluid Product Stewardship Group (MWFPSG) and from the…

Guidance on Dust Control & Health Surveillance in Bakeries

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Excellent document published by the Federation of Bakers in August 2020. This guidance addresses one of the more significant OH risks in the industry; respiratory exposure to flour and other ingredient dusts. Since its last revision in 2008 the well-known guide has been updated and reissued as a PDF download available from the FoB’s website…

LVHV On-Tool Resources

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Several useful resources for anyone engaged in CoSHH Reg 9 testing of LVHV/On-Tool extraction systems. First is a summary of expectations (based on HSE guidance) and practice notes for testing LVHV (in Word format):- LVHV Testing Background and Notes Second is a raw data Log Book suggestion (in Excel): Sample Log Book Outline Finally a copy…

EH40 – Workplace Exposure Limits 2005 (2020 edition).

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This latest version of EH40 (4th Revision; 2020) has been updated to include new, revised and updated Workplace Exposure Limits (WELs) for the following substances:- ■  Hardwood dusts (including mixed dusts) ■  Chromium (VI) compounds ■  Refractory ceramic fibres ■  Respirable crystalline silica ■  Vinyl chloride monomer ■  Ethylene oxide ■  1,2-Epoxypropane ■  Acrylamide ■ …

HSE Update: Welding fume

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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 announcement didn’t come with any clear advice on control.  The HSE have reacted to criticism…

HSE Explanation of special lighting set up to show invisible paint mist

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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 element of an LEV Through Examination and Test.  The usefulness of a Tyndall lamp is…

HSG258; Controlling airborne contaminants at work; A guide to local exhaust ventilation (LEV)

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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 other design criteria. The various types of hoods, filters, fans and discharges are all described….

HSE RR1126 – In-Cab Air Filtration in Plant Vehicles to Control Exposure to Hazardous Dust

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This Research Report (RR1126) by HSE, published in 2018 looked at the factors that influence the effectiveness of in-cab air filtration systems throughout their operational lifecycle, including system design, in-service use, and maintenance. The research included developing a new scientific method to evaluate filtration system efficiency whilst a vehicle is being driven. The research found:…

Measuring & Controlling Emissions from Polymer Filament Desktop 3D Printers

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HSE Research Report RR1146 published 2019 which sets out to measure emissions of particulates and volatile organic compounds from desktop 3D printers and to investigate the effectiveness of control measures to reduce these printer emissions. The research found that the heated filaments emitted large numbers of very small particles and volatile organic chemicals which could…