The Health and Safety Executive (HSE) has released an updated best practises guide on welding fume extraction.
In response to the new guide, Engweld, a supplier of engineering and welding equipment, has summarised the update and highlighted the key changes which may affect its customer base.
New enforcement expectations require all businesses undertaking welding activities to ensure that effective engineering controls are provided and used correctly to control fumes arising from welding activities.
It is now advised that larger fume producing welding types such as MIG & MMA require a double pronged defence of respiratory protective equipment (RPE) and local exhaust ventilation (LEV).
Lower fume producing welding, such as TIG usually only requires LEV protection, however, it is advised that in applications where it is not clear whether LEV is providing sufficient fume control, that LEV and RPE are used conjunctively for maximum protection.
There is not a “one size fits all” solutions for every welding type and applications, and so it is advised that an occupational hygiene air monitoring survey may be required to confirm the effectiveness of fume controls/
While on-torch extraction solutions can provide effective fume control, workers should be aware of the limitations of this method, as with all fume extraction methods.
It is also recommended that welders use a Powered Air Purifying Respirator (PAPR) Unit of they are welding for over one hour per day.
LEV supervision and training is highly recommended by the HSE to ensure that workers know how to effectively use LEV, how to check it is working efficiently, and to ensure they are following safe working procedures.
Finally, all fume equipment should be routinely serviced and maintained to be in good working order.