Health & Safety

Health & Safety - Occupational Health and Safety...

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1 Occupational Health and Safety Wayne Wood Environmental Health and Safety Office and Department of Occupational Health McGill University 398-4563 Wayne.wood@mcgill.ca www.mcgill.ca/ehs http://www.mcgill.ca/occh/ Occupational health and safety includes: • Occupational Health: – Medical management of worker health • Occupational Hygiene: – Recognition, evaluation and control of hazardous materials and agents www.crboh.ca/
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2 • Occupational Safety: – Prevention of unintentional injuries and losses Occupational Health and Safety Part 1: Hazard Recognition the hazard kingdom Part 2 Hazard Evaluation energy thresholds risk assessment Part 3 Hazard Control legislation the controls hierarchy examples Part 1 - Hazard Recognition Classes of Occupational Hazards Chemical Biological Physical Agents Mechanical Hazards Ergonomics Stress
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3 Workplace Hazardous Materials Information System (WHMIS) • A uniform, pan- Canadian system designed to provide workers information on certain classes of hazardous materials, mostly chemicals , referred to as “Controlled Products”. What are Controlled Products? Class A: Compressed Gas When workers get bored Original cylinder location Class A: Compressed Gas Roof of Building Hole made in roof Where cylinder came to rest Class A: Compressed Gas . \. \Documents and Set ings\waynew\Desktop\EH&S PHOTOS CLIPART and MPEGS\Humour\Whenworkersgetbored.mpeg1.mpeg
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4 What are Controlled Products? Class B: Flammable and Combustible Material Example of a flammable liquid: Ether Controlled Products Class C: Oxidizing Material Class D Controlled Products Division 1: Materials Causing Immediate and Serious Toxic Effects Division 2: Materials Causing Other Toxic Effects Division 3: Biohazardous Infectious Materials
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5 Biohazards • Bacteria • Fungi •V i r u s e s • Parasites • Recombinant DNA? Biohazards assume many forms:
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6 Examples of reactive chemicals: Sodium Examples of reactive chemicals: Magnesium Examples of reactive chemicals: Benzoyl Peroxide Not Classified as Controlled Products: explosives
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7 Not Classified as Controlled Products: radioactive materials Radiation Effects •Domestic goods •Cosmetics •Pesticides •Hazardous waste Not Classified as Controlled Products: Oven clean er Physical Agents • Thermal (heat/cold) stress • Radiation – Ionizing • alpha, beta, gamma, x rays – Non -ionizing • UV, IR, radio and microwave, electric and magnetic fields • Noise and Vibration • Hypo and hyperbaric environments • Electricity
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8 Mechanical Hazards Slips and falls Falls from heights Motor vehicle accidents Machine hazards Ergonomics Related maladies Part 2- Evaluation of Occupational Hazards Evaluation of Occupational Hazards • Energy Thresholds • Risk Assessment – risk equations – risk matrix “Incident” - contact with an energy source above the threshold of the worker.
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This note was uploaded on 03/03/2010 for the course MIME 221 taught by Professor Hassani during the Spring '10 term at MO Southern.

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Health & Safety - Occupational Health and Safety...

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