LEV Central

The Knowledge Base for LEV

HSE CoSHH Welding Guidance Leaflets

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Welding Fume

HSE’s CoSHH Essentials section on Welding Fume has a list of 23 topic Guidance Notes – all of which can be accessed by following the URL link below. Some of the Ventilation-specific guidance notes are listed below for direct download:- WL0 “Advice for Managers” WL0 WL1 “Workshop Ventilation”  WL1 WL2 “Fixed Ventilation”  WL2 WL3 “Fixed…


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COSHH Essentials sets out basic advice on what to do to control exposure to hazardous substances in the workplace. It takes the form of straightforward advice in ‘factsheets’ called ‘control guidance sheets’. There are two types of sheets, industry-specific ‘direct advice sheets’ and ‘generic control guidance sheets’. MICROELECTRONICS/SEMICONDUCTORS DIRECT ADVICE The following are direct advice sheets…

HSE Dyes and dyeing

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This section of the HSE website evaluates typical exposure from Dyes and Dyeing processes.  It covers a variety of controls (including LEV) as solutions in lowering exposure. Exposure to dyes Dyes used in textile finishing have many different, complex chemical structures and there are many products in commercial use.  Uncontrolled exposure to some hazardous…

BOHRF – Occupational Asthma: a guide for employers, workers and their representatives – March 2010

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Occupational Asthma: a guide for employers, workers and their representatives – March 2010 Click here to download a PDF copy of this leaflet. This leaflet summarises the key evidence based advice for policy and practice on the risk management of occupational asthma. The full guidelines, report, and analysis of relevant research is available from the…

HSE Cadmium in Silver Soldering or brazing (EIS31)

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This HSE guidance is aimed at employers, managers and workers who use or plan to use cadmium-containing products and materials.  It is also relevant to those who may be working on materials that may include cadmium-containing solders. To download this Engineering Information Sheet click here to visit the HSE website.

SEA/HSE Hexavalent chromium in electroplating: Prevention and Control of Chromic Acid Mist

Published on About SEA: As a Trade Association, The SEA endeavour to be the voice that represents our members in areas surrounding legislation and government that affect our ability to produce and compete successfully in an increasingly competitive global market. We are very proud of the contribution that the UK treatment industries have made to current technology employed…

IOSH Inhalation disorders

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An important part of LEV is understanding the effects of exposure to harmful substances.    Visit the IOSH Website to learn all about Inhalation disorders, that they are dysfunctions associated with the breathing in of a substance which can be in the form of a dust, fume, mist, gas or vapour. Background   Types of inhalation problems:…

HSE CIS 36 Construction dust

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HSE Construction dust information sheet. This is a useful information sheet which highlights the how construction dust can seriously damage health. It also outlines some of the most common activities and the most suitable controls including water and on-tool extraction.   Construction Dust CIS36

HSE Textile dust

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The following is taken from Dust Why dust is a problem Dust can cause explosions[1]. Textile process dusts, in particular wool and cotton, can also cause byssinosis (cotton dust), occupational asthma and respiratory irritation – see more information below (link to more info below). Up-to-date COSHH assessments, control to within Workplace Exposure Limits (WELs)…