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LEV Central

The Knowledge Base for LEV

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:…

HSE Work Plan 2019-2020 – Asthmagems, Carcinogens & Respirable Crystalline Silica

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HSE have set our their Work Plan for the coming byears with particular focus on targeting sectors where carcinogens, asthmagens and RCS are regularly used, produced or process generated. They have stated that they will deal with the underlying causes of poor risk control i.e. failures in health and safety management arrangements. These include the…

HSE – Welding Fume – Changes in Enforcement

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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 lung cancer. Also limited evidence linked to kidney cancer. Now a change in HSE enforcement…

HSE Guides – Brick, Tile & Silica

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A series of HSE Guides published in early 2019 to assist in the control of dust exposures in the Brick, Tile and Silica Industries.  These guides can be viewed and downloaded by following the links below. BK0 “Advice for Managers” BK1 “Clay Milling (Pug-Mill)” BK2 “Sand Moving & Screening” BK3 “Facing Green Bricks with Sand”…

HSE Guides – Ceramics

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In early 2019 HSE produced/updated a series of brief guidesd aimed at the control of dists, and in particular respirable crystalline silica from ceramic processes.  These guides can be accessed and downloaded by following these links:- CR0 “Advice for Managers” CR1 “Glaze & Colour Preparation” CR2 “Casting” CR3 “Dry Fettling” CR4 “Kiln Loading (Placing) &…

HSE Guides “Woodworking”

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HSE have produced in 2017 a series of guides on controlling dust from woodworking processes.  These guides can be accessed and downloaded by following these links:- WD0 “Advice for Managers” WD1 “Bandsaws” WD2 “Circular Bench Saws” WD3 “Cross-Cut Saws” WD4 “Vertical Spindle Moulders” WD5 “Overhead & CNC Routers” WD7 “Sanding Machines (Hand Held)” WD10 “Wall…

HSE Guides on Rubber Fume and Rubber Dust

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In early 2019 HSE produced/updated a number of guides relating to the control of fume and dust from rubber processing.  The guides can be downloaded here:- RB0 “Advice for Managers” RB1 “Fume – General Ventilation” RB2 “Bag Opening & Weighing” RB3 “Mixing Ingredients” RB4 “Milling Rubber” RB5 “Rubber Press (Small Articles)” RB6 “Trimming & Finishing…