Slides from talk to IOSH Manchester Branch aon 11 July 2015 about the BOHS initiative Breateh Freely Manufacturing focusing on welding

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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Mike Slater
Diamond Environmental Ltd
BOHS 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
Deaths due to accidents at work in Great Britain

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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
137 Workers killed at work in 2016/17

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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
How many workers died last year due to
ill-health caused by their work?
a) 130
b) 1,300
c) 13,000
d) 130,000

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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
99% are disease deaths

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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
1.3 million working people suffering from a
work-related illness

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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 Exposures to
Prevent occupational lung disease
in the construction industry

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Controlling exposures to prevent
occupational lung disease in
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Web based
information hub
www.breathefreely.org.uk

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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Roadshows

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Controlling exposures to prevent
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MANUFACTURING
Controlling Exposures to
Prevent occupational lung disease
in the construction industry
WE’RE SETTING THE STANDARDS
www.bohs.org

15. 25 May 2017
EEF HQ London

16. Breathe Freely in Manufacturing
in partnership with

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Controlling exposures to prevent
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MANUFACTURING
“Phil the welder”
http://www.hse.gov.uk/mvr/resources/videos/video8.htm

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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
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
Health Hazards
• Fume
• Gases
• UV radiation

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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
Fine particles of metal oxides
Composition depends on type of
metal being welded

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Controlling exposures to prevent
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MANUFACTURING
Al Co Cr Cr
VI
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 Cr
VI
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
Welding Fume
• Ozone
• Nitrogen oxides
• Inert gas from MIG
and TIG

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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Health
Concerns

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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
Welding Fume
• Metal fume fever
• COPD
• Asthma
• Pneumonia

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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Welding Fume
Nickel and Chromium
–Cancer
–Asthma

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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Welding Fume
Manganese
–Neurological
effects

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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
Current WEL is 0.5 mg/m3 inhalable

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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Welding Fume
Exposures

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Controlling exposures to prevent
occupational lung disease in
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Industry Concentration (mg/m3)
Min Max
Fabrication 0.05 449.1
Shipyard 0.30 112.0
Construction 1.00 37.3
Not specified 0.03 8.67
Estimation of Particulate Mass and Manganese Exposure Levels among Welders
Angela Hobson et al Ann Occup Hyg (2011) 55 (1): 113-125.
Inhalable Particulate Exposures

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Controlling exposures to prevent
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Industry Concentration (mg/m3)
Min Max
Fabrication < LOD 0.99
Shipyard 0.004 2.67
Construction 0.030 0.30
Not specified 0.003 4.93
Estimation of Particulate Mass and Manganese Exposure Levels among Welders
Angela Hobson et al Ann Occup Hyg (2011) 55 (1): 113-125.
Inhalable Manganese Exposures

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Controlling exposures to prevent
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Concentration (mg/m3)
Mean Min Max
Respirable 0.062 0.008 0.32
Inhalable 0.073 0.010 0.36
Levels and predictors of airborne and internal exposure to manganese and iron among
welders, Pesch , B et al, J Expo Sci Environ Epidemiol, 2012
Manganese Exposures

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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

44. www.breathefreely.org.uk www.bohs.org
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

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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
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• Local extraction is a common control measure
• But it’s important to make sure you have the
right type of system
• One size DOES NOT fit all!

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Controlling exposures to prevent
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This is the probably most
common type of system
In can be effective
But it isn’t right for all situations

50. Moveable arms require careful positioning
so that the fume is captured effectively

51. The hood needs to be very close to the source
and ideally, above the source so the fume rises
into the inlet

52. Here the arm is positioned badly. The fume is rising
into the hood but in doing so it passes directly past
the welder’s breathing zone

53. although this type of extraction can work in some
situations it is not always a suitable approach.
Other solutions are available.

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Controlling exposures to prevent
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With smaller components an extracted
welding bench will probably be the best
solution.

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Controlling exposures to prevent
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With MIG welding on-torch extraction can be used. If properly set
up this can be very effective as it captures the fume at source

56. www.breathefreely.org.uk www.bohs.org
Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Eliminate
Process modification
Local extraction
Working practices
RPE

57. www.breathefreely.org.uk www.bohs.org
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
Respiratory protection should always be the last resort,
but it will be the most appropriate control for some
types of work

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Controlling exposures to prevent
occupational lung disease in
MANUFACTURING
Powered devices which are built into the welding visor
are likely to be most effective.

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Controlling exposures to prevent
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From: Exposure to Inhalable, Respirable, and Ultrafine Particles in Welding Fume
Ann Occup Hyg. 2012;56(5):557-567. doi:10.1093/annhyg/mes025

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Controlling exposures to prevent
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MANUFACTURING
From: Exposure to Inhalable, Respirable, and Ultrafine Particles in Welding Fume
Ann Occup Hyg. 2012;56(5):557-567. doi:10.1093/annhyg/mes025

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Controlling exposures to prevent
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Controlling exposures to prevent
occupational lung disease in
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Roadshows

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Controlling exposures to prevent
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What can YOU do?

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Controlling exposures to prevent
occupational lung disease in
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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
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What can you do?
Get competent help
where needed
http://www.bohs.org/ohservices-directory

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Controlling exposures to prevent
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What can you do?
Become an official
campaign supporter

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Controlling exposures to prevent
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What can you do?
Help us develop case
studies and good
practice examples

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What can you do?
Spread the word

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www.breathefreely.org.uk

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mike@diamondenv.co.uk
www.slideshare.net/mikeslater
https://diamondenv.wordpress.com

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