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LEV Central

The Knowledge Base for LEV

Metal Working Fluids

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Metalworking Fluids (MWFs) are neat oils or water-based fluids used during the machining and shaping of metals to provide lubrication and cooling. They are sometimes referred to as suds, coolants, slurry or soap. Exposure to metalworking fluids can cause: irritation of the skin or dermatitis; and occupational asthma, bronchitis, irritation of the upper respiratory tract,…

INDG409 – Time to clear the air

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Local exhaust ventilation (LEV) in your workplace should carry away any harmful dust, mist, fumes or gas in the air. To protect your health it needs to be: ■ the right type for the job. ■ installed properly in the first place. ■ checked regularly and maintained throughout the year. ■ tested thoroughly at least once every year….

INDG136 – Working with substances hazardous to health: A brief guide to COSHH.

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This leaflet describes how to control hazardous substances at work, so they do not cause ill health. It will help you understand what you need to do to comply with the Control of Substances Hazardous to Health (COSHH) Regulations 2002 (as amended) which apply to the way you work with these substances. This leaflet provides…

G406 – New and existing engineering control systems.

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Engineering controls range from small, on-gun solder fume collectors, through dust hoods, fume cupboards, glove boxes and spray booths, to large-scale industrial installations. All have the same hygiene requirements: to collect or contain the contaminant; to conduct it away from the worker reliably; and to keep exposures below relevant exposure limits. When possible, use a reputable…

L138 – Dangerous substances and explosive atmospheres.

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This Approved Code of Practice (ACOP) and guidance provide practical advice on how to comply with the Dangerous Substances and Explosive Atmospheres Regulations 2002 (DSEAR). These Regulations require the elimination or reduction of risk of fire and explosion from substances connected with work activities. The ACOP is primarily for an informed and experienced audience such…

Explosive Atmospheres – Classification of Hazardous areas (zoning) and selection of equipment.

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Gases, vapours, mists and dusts can all form explosive atmospheres with air. Hazardous area classification is used to identify places where, because of the potential for an explosive atmosphere, special precautions over sources of ignition are needed to prevent fires and explosions. Explosive Atmospheres – Classification of Hazardous areas (zoning) and selection of equipment.

EH40 – Workplace Exposure Limits 2007.

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This latest version of EH40 has been updated to include new and revised workplace exposure limits (WELs) introduced by the 2nd and 3rd Indicative Occupational Exposure Limit Values (IOELV) Directives. It will guide those responsible for controlling exposure to hazardous substances at work. EH40 – Workplace Exposure Limits 2007.

FD14 – Control Approach 2. Design points for new LEV systems

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This HSE Guidance sheet provides general advice on the points to cover in contracts to design, install and commission new local exhaust ventilation (LEV) equipment, to control airborne contaminants. Use this advice whenever you need to install new engineering controls (LEV equipment) Use a reputable supplier of LEV.  Check the Competence of the designer/manufacturer/supplier before engaging…