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Mahinda Seneviratne delivered the presentation at the 2014 Safety in Action Conference Sydney. The 2014 SIA Sydney Safety Conference at Sydney Olympic Park featured a wide range of practical case studies directly from the organisations involved with developing their health, safety and wellness protocols. Learn from their experiences and take back techniques for the enhancement of your own WHS policy. For more information about the event, please visit: http://bit.ly/SIASydney14
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Safety, Return to Work and Support Division
Specialist Service Group Work Health and Safety Division
WorkCover in confidence 1 DRAFT
Chemical Hazard Management
Mahinda Seneviratne State Inspector - Hygiene & Toxicology Hazardous Chemical Services Team WorkCover NSW
Safety in Action 2014 3 September 2014
Safety, Return to Work and Support Division
Hygiene & Toxicology • Multi-disciplinary cluster with skills in Occupational Health, Hygiene
and Toxicology
• Provide technical assistance to Operations Inspectorate
• Develop and lead high risk verification and targeted intervention programs
• Expert technical advice for guidance material, national standards and codes and policy matters
• Build capability for systematic management of hazardous chemicals
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Safety, Return to Work and Support Division
Workplace exposure assessments
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Safety, Return to Work and Support Division
Hazardous Chemicals Regulations • 1996: Hazardous Substances Regulatory Package
o Classification, Labelling, Preparing MSDS (NOHSC) o Exposure Standards for Airborne Contaminants » Mandatory documented risk assessments
• 2011: Model National Work Health and Safety legislation o COP Managing risks of hazardous chemicals in the
workplace (Safe Work Australia) o GHS for classification and labelling » Risk Management – Identify (Assess) and Control
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Safety, Return to Work and Support Division
Occupational Health burden • Annual mortality from illness and disease related to workplace
chemical exposures estimated to be much higher than work-related fatalities.
(Kerr et al, 1998, Driscoll and Fritchi, 2012)
• Cases of chemical-related illness, especially long-latency chronic disease are often not recognised as occupational health problems. – Workers Compensation claims – Hospital admission records – Workplace Investigations
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Safety, Return to Work and Support Division
A ubiquitous workplace chemical hazard • Machinery or equipment used at your workplace can emit chemicals
that are hazardous to health. • A mixture of fine particles and a number of toxic gases and
carcinogens. • Airborne mixture can be breathed deep into the lungs. • Short-term exposure can irritate eyes, nose, throat • Longer exposures can worsen asthma and allergies
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Safety, Return to Work and Support Division
Diesel Exhaust Emissions • Workplace machinery or equipment emit hazardous chemicals • A mixture of fine particles, toxic gases and carcinogens • Can be breathed deep into the lungs
• Short-term exposure – irritate eyes, nose, throat
• Longer exposures – worsen asthma and allergies
• High exposure long-term – heart disease, lung cancer
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Safety, Return to Work and Support Division
How do we manage risks of exposure?
1) Anticipate
2) Recognise
3) Assess
4) Control
5) Monitor & Review
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