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17
AW 101 – OCCUPATIONAL SAFETY & HEALTH 1 GROUP PRESENTATION

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Page 1: Osha Presentation

AW 101 – OCCUPATIONAL SAFETY & HEALTH 1

GROUP PRESENTATION

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DEFINITION OF

CHEMICAL HAZARDS

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Chemical hazards are present when a worker is exposed to any chemical

preparation in the workplace in any form (solid, liquid or gas). Some are safer than

others, but to some workers who are more sensitive to chemicals, even

common solutions can cause illness, skin irritation or breathing problems.

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Beware of:

liquids like cleaning products, paints, acids, solvents especially chemicals in an unlabelled container (warning sign!)

vapours and fumes, for instance those that come from welding or exposure to solvents

gases like acetylene, propane, carbon monoxide and helium

flammable materials like gasoline, solvents and explosive chemicals.

The Workplace Hazardous Materials Information System (WHMIS) is designed to make sure you have the information you need to evaluate any hazards and take action to protect yourself.

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Inhalation: Breathing in contaminated air is the most common

way that workplace chemicals enter the body. Contact with the skin or eyes: Some chemicals can damage the skin or eyes (e.g.

irritation) or pass through the skin into the body. Ingestion: Workplace chemicals may be swallowed accidentally if

food or hands are contaminated. Injection: Injection can occur when a sharp object (e.g. needle)

punctures the skin and injects a chemical directly into the bloodstream. Here are some terms that explain the health effects of

exposure to chemicals.

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5 TYPE CHEMICAL

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Fibres: a thread or filament from which a vegetable tissue, mineral substance, or textile is formed.

Liquids: RESPIRATORY IRRITANTS cause injury to the nose, mouth, throat and lungs. Materials that are very water soluble affect mainly the nose and throat. Less water soluble materials act deeper in the lungs.

Solids : SKIN (DERMAL) IRRITANTS may cause contact dermatitis (irritated rash), and erythema. Examples are organic solvents.

Fumes: gas, smoke, or vapor that smells strongly or is dangerous to inhale..

MISTS: a cloud of tiny water droplets suspended in the atmosphere at or near the earth's surface limiting visibility, but to a lesser extent than fog; strictly, with visibility remaining above 1.5 miles (1 km).

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SYSTEMIC POISONS BLOOD SYSTEM TOXINS - These agents damage blood components

or depress blood cell formation. Examples include benzene, methylene chloride, and arsine.

NEUROTOXINS (Central Nervous System) - These compounds damage the nerve cells (neurons) or inhibit their function by acting on a part of the nerve cell. Typical symptoms include dullness, muscle tremor, restlessness, convulsions, loss of memory, and loss of muscle coordination.

LIVER (HEPATO-) TOXINS - These compounds can cause liver damage. Examples include alcohols and some solvents.

KIDNEY (NEPHRO-) TOXINS - These agents damage the kidney, causing swelling and increased serum (blood) proteins in the urine.

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PICTURES OF

HAZARD

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Hazards and Risks Hazard Statements Each of the substances to be used in the activity

should be listed and their Hazard Statements entered in the second column of the table. Hazard Statements have replaced Risk Phrases (though we are currently still in the transitional phase) and are derived from the European Regulation (EC) No.1272/2008 on Classification, Labelling and Packaging of Substances and Mixtures (CLP). A numbered code describes the types of risk presented by the substance e.g. H315 – causes skin irritation. A complete list of Hazard Statements (and Risk Phrases) can be found in Appendix 1 of this Guidance Note

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Hazard Statements for individual substances, together with a description of the hazards, can be found under the Hazards identification section on the MSDS for the substance:

Process factors influencing the risk of exposure

At this stage, the boxes should be ticked and any factors identified that are not included in the list should be entered under ‘other’.

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Substances presenting fire and explosion risks

Substances that are hazardous to safety are subject to DSEAR. These will include substances with the following properties:

Explosive Oxidising Flammable (flash point below 550C). Highly flammable (flash point below 210C). Extremely flammable (flash point below

00C and boiling point equal to or less than 350C).

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THANK YOU…THANK’S A LOT TO MY

HONOURABLE LETCTURE AND MY LOVELY FRIENDS TO HEAR

FOR MY PRESENTATION…

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THE END…