The fumes given off by welding and hot metal cutting processes is a varying mixture of airborne gases and very fine particles which, if inhaled, can cause ill health. Gases such as NOx, ozone, and carbon monoxide may be present in welding and cutting fumes.
The visible part of the fume cloud is mainly particles of metal, metal oxide and flux with differing exposure limits for each potential metal present. The process of welding stainless steel may generate a fume cloud containing over 15 different metal oxides.
The exact level of risk of exposure to either the gases or particulate fumes will depend on a number of factors:
The first step in the process is to carryout a risk assessment by identifying what welding activities are being carried out on your site. This should include both the range of welding techniques used and the metal combinations, the next step should then be to commission a series of actual personal exposure assessments that cover the full range of activities.
Depending on the exposure levels recorded, it may then be necessary to install some form of extraction system, or respiratory protection that is adequate, to cover the type of exposure likely from the pre-determined welding activities. Click here to learn more about welding fumes.
Our consultants are here to help you and can develop and implement monitoring strategies to indentify if maximum exposure limits are being exceeded with respect to metal fumes and gases in the workplace. Our team we will advise on appropriate measures to be taken to reduce the risk of exposure and ensure you comply with the Control of Substances Hazardous to Health Regulations.
2021-05-01
With up to 80,000 known Welders in the UK, including those that use welding techniques as part of their positions, a big proportion of the population come face to face with potential harmful fumes and gases every single day. The fume given off by welding processes is a varying mixture of airborne gases and very fine metal particles.
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