The continued and increasingly widespread occurrence of occupational related lung diseases in the UK has lead to stringent guidelines and requirements for Local Exhaust Ventilation (LEV).
Nearly a decade ago in May 2008, the Health and Safety Executive (HSE) published a new guide (HSG258) on LEV for various occupations, such as designers, installers and examiners, as well as guidance for employers and their employees who depend on sufficient LEV for their wellbeing.
COSHH regulations require that all LEV systems to be tested every 14 months to ensure that they are operating well enough to protect workers who depend on these systems for their safety. Systems that require testing include all oil mist, welding fume, smoke and dust extraction units. These examinations must be undertaken by competent personnel who work and provide reports according to HSE standards. Inadequate testing can result in employers being prosecuted, insurance being invalidated and employees getting ill.
For nearly 30 years Envirochem has provided comprehensive LEV testing in accordance with HSG258 guidelines. An Envirochem examination measures air flow speed (velocity) of air being extracted from the source and in the ductwork. These results are then compared to recommended velocities set by the HSE. Our vast experience in the area of occupation hygiene allows us to provide practical advice and recommendations.
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