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Safety Symbols

Safety Symbols. What is this?. Disposal. Special disposal procedures need to be followed Ex. Certain chemicals, living organisms Do not dispose these into the trash can Dispose of waste as directed by your teacher. What is this?. Biological Hazard.

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Safety Symbols

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  1. Safety Symbols

  2. What is this?

  3. Disposal • Special disposal procedures need to be followed • Ex. Certain chemicals, living organisms • Do not dispose these into the trash can • Dispose of waste as directed by your teacher

  4. What is this?

  5. Biological Hazard • Organisms that might be harmful to humans • Ex. Bacteria, fungi, blood,etc • Avoid skin contact by wearing mask and gloves • Notify your teacher if you suspect contact with material. • Wash hands thoroughly

  6. What is this?

  7. Extreme Temperature • Objects that can burn skin: Hot or Cold • Ex. Boiling liquids, hot plates, dry ice, etc • Use proper protection when handling • Go to your teacher for first aid

  8. What is this?

  9. Sharp Object • Use of tools or glass that can easily puncture skin • Razor blades, pins, BROKEN GLASS!, etc • Practice common sense behavior and ask teacher to help clean • Go to your teacher for first aid

  10. What is this?

  11. Fume • Possible danger to respiratory tract • Ammonia, acetone, heated sulfur, etc • Check for good ventilation • Never smell fumes and always wear a mask • Leave foul area and notify teacher immediately

  12. What is this?

  13. Electrical • Possible danger from electric shock or burn • Liquid spills, short circuits, exposed wires, etc • Double-check set up with teacher. • Check condition of equipment • DO NOT TRY TO FIX! • Notify teacher immediately

  14. What is this?

  15. Irritant • Substance that can irritate skin or mucus membranes of respiratory tract • Fiber glass, potassium permanganate, etc • Wear dust mask and gloves • Practice extra care • Go to teacher for first aid

  16. What is this?

  17. Chemical • Chemicals that can react with and destroy tissue and other materials • Bleaches, acids, and bases • Wear goggles, gloves, and an apron • Immediately flush the affected area with water and notify your teacher

  18. What is this?

  19. Toxic • Substance may be poisonous if touched, inhaled, or swallowed • Mercury, iodine, metal compounds, etc • Follow your teacher’s instructions • Always wash hands thoroughly after use. • Go to teacher for first aid

  20. What is this?

  21. No Open Flame • Open flame may ignite flammable chemicals, loose clothing, or hair • Ex. Alcohol, hair, clothing, etc • Avoid wearing loose clothing • Be aware of safety equipment locations • Tie back loose hair • Notify teacher immediately

  22. Goggles: Eye Safety • Proper eye protection should be worn at all times by anyone performing or observing science activities

  23. Apron: Clothing Protection • This symbol appears when substances could stain or burn clothing

  24. Animal Safety • This symbol appears when safety of animals and students must be ensured

  25. Radioactivity • This symbol appears when radioactive materials are used

  26. MSDSMaterial Safety Data Sheet • A Material Safety Data Sheet (MSDS) is a document that gives detailed information about the nature of a chemical, such as • physical and chemical properties • health, safety, fire, and environmental hazards of a chemical product. • They are designed for: • workers who may be exposed to hazardous materials • emergency personnel (for example, firefighters),who may have to clean up a spill or release.

  27. Hazard Diamond: On MSDS • The four divisions are typically color-coded, • Blue: health hazard • Red: flammability • Yellow: (chemical) reactivity • White: special codes for unique hazards. • Each is rated on a scale: • from 0 (no hazard; normal substance) to 4 (severe risk).

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