Safety Symbols

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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

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

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

Radioactivity This symbol appears when radioactive materials are used

MSDS Material 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.

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).