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Chemical Hazards

Chemical Hazards. BC High School. CHEMICAL HAZARD LABEL. FLAMMABILITY. HEALTH. REACTIVITY (STABILITY). SPECIAL. 0 Least Serious. 4 Most Serious. 4. 0. Hazard Numbering System. 4. 2. 3. Flammable vapor which burns readily. Substance is stable. Burns readily.

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Chemical Hazards

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  1. Chemical Hazards BC High School

  2. CHEMICAL HAZARD LABEL FLAMMABILITY HEALTH REACTIVITY (STABILITY) SPECIAL

  3. 0 Least Serious 4 Most Serious 4 0 Hazard Numbering System 4 2 3 Flammable vapor which burns readily Substance is stable

  4. Burns readily. May detonate with heat or ignition. Severe health risk. Avoid water. Sample of HAZARD LABEL

  5. Other Chemical Symbols • Flammable– Any substance that will burn if exposed to an open flame. • Explosive– A substance that may explode if exposed to heat or flame.

  6. Chemical Hazard Definitions • Toxic/Poison – A substance that canlead to death if inhaled, ingested, or absorbed by the skin. • Corrosive – A substance that can destroy or burn living tissue and can eat away at other materials.

  7. Chemical Hazard Symbols and Definitions • Irritant - A substance that causes inflammation upon contact with skin or mucous membranes. • Environmental - Substances that are harmful to the environment. They must be disposed of properly, not washed down the drain.

  8. Waste Disposal • First ask your teacher where/how to dispose of waste. • Never pour anything down the drain unless you are told to do so. • A waste bottle will be supplied for substances that cannot go down the drain

  9. Reasons for proper waste disposal • Hazardous chemicals down the drain can lead to pollution of ground water, lakes, rivers, etc. • Plants and animals will die if they are exposed to hazardous chemical waste. • Serious health problems will become present in people if hazardous waste finds its way into drinking water.

  10. Material Safety Data Sheet A document containing information regarding the properties and hazards of a particular chemical.

  11. What is the purpose of MSDS? • To educate people how to safely handle chemicals and consumer products. • To alert people to information not provided on labels of chemicals and consumer products.

  12. Informationfound on a MSDS • Hazardous Ingredients • Preparation Information • Product Information • Physical Data • Fire or Explosion Hazard • Reactivity Data • Toxicological Properties • Preventive Measures • First Aid Measures

  13. 1. Gives information about the product and company 2. Identifies the ingredients 3. Describes characteristics and environmental hazards

  14. 4. Describes fire and explosive properties and fire-fighting instructions

  15. 5. includes emergency and first aid procedures. 6. describe conditions that may result in a potentially hazardous reaction 7. Describes clean-up and disposal procedures

  16. 8. Describes safety attire and precautions 9. describe special precautions

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