The reason for the absence of a Workplace Exposure Limit (WEL) for both substances is that the HSE no longer considers any level of exposure to be safe. MWF exposure should be controlled to a level as low as reasonably practicable (ALARP). Using only air monitoring to measure exposure is no longer accepted, this may mean for some businesses a change in old practices and new control measures implemented.
It is crucial to maintain control measures to protect workers from potential health risks associated with MWF exposure. The HSE expect employers to use local exhaust ventilation (LEV) to control MWF mists. Employers have a legal obligation to test and maintain systems in line with HSE guidance HSG258 ‘Controlling airborne contaminants at work’.
While employers enclose many processes using MWF, mists may still escape during use , which is why it is essential to continue to measure using:
Following these changes by the HSE, the approach to LEV testing and exposure assessments in relation to MWFs will be altered. If you need to speak with a DevineAir consultant about your concerns or would like to install an LEV system, contact us here.
Local Exhaust Ventilation (LEV) is critical to ensuring the containment and control of dusts, fumes, vapours, mists, and other hazardous materials that may be released into the workplace air. Whatever your industry – from manufacturing, engineering, and laboratories to food production companies – an efficient LEV system is necessary to protect staff and comply with […]
Laboratories and research facilities often work with substances that can affect workplace air quality without people immediately noticing the risk. Chemical vapours, fumes, fine powders, and airborne particles are common in many laboratory and R&D environments. That is why LEV testing for laboratories and R&D facilities is so important. Local Exhaust Ventilation systems help remove […]
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