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LEV Central

The Knowledge Base for LEV

CoSHH Essentials: Control banding

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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 useful where workplaces may hold a large variety of different hazardous substances.  The aim is…

HSE_Asthmagen? Critical assessments of the evidence for agents implicated in occupational asthma

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This HSE document runs through several agent groups and their individual compounds.  It assesses and discusses the evidence, to determine if the substances are Asthmagens based upon the EU Criteria. It is an aged document, first published in 1997 with revisions in 1998 & 2001.  Good reference document for LEV testers and designers.

HSE INDG 346 “Chromium and You”

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This HSE guide on working with Chromium was last updated in 2013. The guide discusses working with chromium and its inorganic compounds and how exposure may affect your health. This leaflet tells you about the possible health effects, the preventative measures your employer needs to apply, and the precautions you should take to protect your health….

UKLA/HSE Guide “Safe Handling & Disposal of Metal Working Fluids”

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Joint publication by UKLA and HSE  provides guidance about maintaining water-mix MWF to prevent ill health in machine workshops. It is well known that skin disease (dermatitis) and lung disease (occupational asthma and occupational hypersensitivity pneumonitis) can occur in operators, either because their skin is regularly in contact with MWF, or because they inhale MWF…

HSE MDHS95/3 “Measurement of Personal Exposure to Metal Working Fluids”

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This HSE approved method describes a procedure for the measurement of time-weighted (TWA) average concentrations of water-mix metalworking fluid originating from metalworking machine operations. The method is only suitable when the machine sump fluid (liquid circulating in the machine) contains an element which is unlikely to emanate from a source other than the water or…

HSE INDG365 “Working Safely with Metal Working Fluids”

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This HSE Guidance leaflet aims to help employees who work with metalworking fluids understand the main risks to their health. It contains general advice on the precautions which they and their employers can take to avoid these risks. Full leaflet can be downloaded by clicking on the URL below:-

HSE RR900 “Visualisation & Control of Solder Fume Exposure”

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The full title of this HSE research Report is in fact “Visualisation & Control of Solder Fume Exposure – a Quantitative Assessment of LEV Effectiveness”. Published in 2011 by HSE, the document was prepared by HSL. From the introduction to the Research Report:- “Colophony or Rosin Based Solder Flux Fume is a known cause of…

Measuring Aerosols in Air

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Occasionally there may be a need to measure aerosol particulates in air and there are instruments to do this ….. but they work on two fundamentally different ways.  This article by TSI guides you through the differences and might assist you to select the best option for your application. The article provides a basic understanding…