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The Knowledge Base for LEV

HSE Guide FL8 “Stand Alone Dust Collectors”

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Published in Sept 2016, this sheet describes HSE’s view on good control practice when using a stand-alone dust collector where there is no room to install fixed dust extraction. It covers the key points Employers need to follow to help reduce exposure to an adequate level. HSE requires Employers to either follow all the points…

Fume Cupboards – Screaming Jelly Baby

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A short video clip kindly supplied by AES, Glasgow showing the potential detrimental effect on containment during “The Screaming Jelly Baby” experiment! This experiment is carried out as part of the school curriculum.  It’s called the “Screaming Jelly Baby” experiment where a jelly baby is oxidised using molten potassium chlorate.  The rate of expansion of…

HSE Summary statistics 2018

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The link leads you to the HSE summary statistics for 2018.  This includes statistics for both ill health and injury. Page 6 details the Occupational Lung Disease Statistics, which include: 12,000 Lung Disease deaths each year are estimated to be linked to past exposures at work. 2,595 Mesothelioma deaths in 2016, with a similar number…

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….

OXYL8 Captor Hood Calculation Apps for iPhone and Android

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OXYL8 have developed a free LEV App for Android and iPhones which will (using Fletcher’s Equations) calculate the Hood Entry Velocity required for any shape of Captor Hood. For the moment the App equations can only be run backwards eg to determine Captor Distance for round or square Captor Hoods but we have an update…

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…