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www.breathefreely.org.uk www.bohs.org
Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Mike SlaterDiamond Environmental LtdBOHS Past President 2014/15
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
The main health hazard with many welding operations is the welding fume which can cause serious health effectsToo often it isn’t adequately controlled
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Welding Fume
At least 190,000 workers exposed to welding fume in Great Britain
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Welding Fume
152 deaths from cancer every year
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Breathe freely Manufacturing launch25 May 2017EEF HQ London
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Al Co Cr CrVI
Cu F Fe Mg Mn Ni Zn
Low alloy steel
High alloy steel
Aluminium
Cast iron
Nickel based
Copper based
Based on ISO 15011 Health and safety in welding and allied processes
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Al Co Cr CrVI
Cu F Fe Mg Mn Ni Zn
Low alloy steel
High alloy steel
Aluminium
Cast iron
Nickel based
Copper based
Based on ISO 15011 Health and safety in welding and allied processes
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Metal WEL (mg/m3)
Chromium II and III 0.5
Chromium VI 0.05 Carc, sen,
Nickel (soluble) 0.1 Sk, Carc (nickel oxides and sulphides)Nickel (insoluble) 0.5
Manganese 0.5
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
SCOEL Recommendation for Manganese and Manganese compounds
0.20 mg/m3 (inhalable fraction)0.05 mg/m3 (respirable fraction)
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
0.20 mg/m3 (inhalable fraction)0.05 mg/m3 (respirable fraction)
Current limit is 0.50 mg/m3 (inhalable fraction)
SCOEL Recommendation for Manganese and Manganese compounds
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Controlling Welding Fume
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Eliminate
Process modification
Local extraction
Working practices
RPE
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Eliminate
Process modification
Local extraction
Working practices
RPE
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Eliminate
Process modification
Local extraction
Working practices
RPE
Here MMA (“stick”) welding is being carried out –it produces more fume than MIG which could be an alternative approach
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Eliminate
Process modification
Local extraction
Working practices
RPE
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
This is probably the most common type of control measure used for welding – a moveable arm or “elephant’s trunk”. They can be effective at controlling welding fumes in some situations –but they are not always suitable
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Extracted welding benches are usually the best option for small pieces
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
On-torch extraction – an option for MIG welding
MIG welding with no extraction
MIG welding with on-torch extraction
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Flexible arms can be an appropriate control
Here it is not controlling the fume
It’s essential the arm is positioned carefully
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Eliminate
Process modification
Local extraction
Working practices
RPE
www.breathefreely.org.uk www.bohs.org
Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Working practices to minimise fume exposure can include
• Introduce a dedicated area for welding.• Control access to working area.• Minimise the work carried out in enclosed or
confined spaces.• Implement a maintenance and test regime for LEV
systems.
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Eliminate
Process modification
Local extraction
Working practices
RPE
www.breathefreely.org.uk www.bohs.org
Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Respiratory protection should always be the last resort, but it will be the most appropriate control for some types of work particularly very large fabrications where the use of local extraction is impracticable
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Powered devices which are built into the welding visor (like the one in the picture) are likely to be most effective.
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
What can YOU do?
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
What can you do?
Use breathefreely fact
sheets, case studies etc
to help identify issues
and solutions
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
What can you do?
Get competent help
where needed
http://www.bohs.org/ohservices-directory
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
What can you do?
Become an official
campaign supporter
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
What can you do?
Help us develop good
practice examples
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
What can you do?
Spread the word
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Roadshows
Join us and be part of the solution
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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
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