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Safety Rules

Safety Rules. Caustic Substances. This is a substance that will cause a chemical burn on your skin. Alert your teacher to any chemical spills. Do not let acids or bases touch your clothing or skin. If a substance gets on your skin, rinse it off with cool water and alert your teacher.

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Safety Rules

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  1. Safety Rules

  2. Caustic Substances • This is a substance that will cause a chemical burn on your skin. • Alert your teacher to any chemical spills. • Do not let acids or bases touch your clothing or skin. • If a substance gets on your skin, rinse it off with cool water and alert your teacher.

  3. NEVER ADD WATER TO ACIDS. ALWAYS ADD ACIDS TO WATER (REMEMBER AAA). • When shaking or heating a test tube containing chemicals, never point the mouth of the test tube toward another person.

  4. Chemical Safety • Never taste any substance in the lab, and do not eat or drink from the glassware. • Do not eat or drink in the lab. • NEVER RETURN UNUSED CHEMICALS TO THEIR ORIGINAL CONTAINER!!! • All bottles and test tubes should be properly labeled.

  5. Gas Precaution • NEVER INHALE FUMES DIRECTLY!!! If instructed by your teacher to smell a substance, gently wave the fumes toward your nose and inhale gently. (Colored gases are usually poisonous). • Always use a fume hood when dealing with dangerous substances.

  6. Explosion Danger • Never use an open flame when working with flammable liquids like ether or alcohol. • Use a safety shield or screen if there is a potential danger of explosion.

  7. Eye Safety • Wear approved goggles in the lab. • Make sure you know the location and operation of the emergency eyewash station.

  8. Fire Safety • Make sure that you know the locations and operations of the fire blanket and fire extinguisher. • Tie back long hair and confine loose clothing. • Wear safety goggles when working with flames. • Never reach across an open flame.

  9. Heating Safety • Use proper procedures when lighting your Bunsen burner. • Turn off all open flames when not in use. • Heat beakers or flasks with wire gauze between the glass and the flame. • Turn off the gas valves when not in use. • Do not put hot equipment back into your lab drawer!

  10. Proper Waste Disposal • Clean up all material when you finish a lab. • Follow your teacher’s directions regarding disposal of all chemicals. • Place broken glass in a specially designed container.

  11. Glassware Safety • Check the condition of glassware before and after each lab. Inform your teacher of any broken, chipped, or cracked glassware. • Air dry glassware • DO NOT PICK UP BROKEN GLASSWARE WITH YOUR HANDS!!! • Use a dustpan and brush. • Never place glassware near the edges of your lab table.

  12. Hand Safety • Use tongs when handling test tubes. • Allow heated materials to cool before handling them.

  13. SPECIAL INFORMATION REGARDING SAFETY CONTROL EQUIPMEN

  14. EYEWASH STATION • This is designed to reduce injuries from chemicals splashed near the eyes. • Affected areas should be washed for at least 15 minutes.

  15. SAFETY SHOWER • These are designed to reduce injuries from acid burns, toxic chemicals, or clothing fires. • It should be used for approximately 15 seconds.

  16. FIRE BLANKETS • These are used to smother flaming hair or clothing. If the clothing is polyester, use the safety shower to put out the fire.

  17. FIRE EXTINGUISHERS • The fire extinguisher is labeled to indicate which of the four classes of fires which they can be used to extinguish. Be aware of this. • Aim the fire extinguisher at the base of the fire.

  18. EMERGENCY GAS SHUT-OFF • In the event of an emergency, the gas and electricity to the wall outlets can be shut off by pressing the red button behind my lab table. • This button is behind my desk.

  19. TELEPHONE • In the event of an emergency, pick up the phone and dial 0. This will reach the main office. • Describe the situation and they will call 911.

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