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.

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Presentation transcript:

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.

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.

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.

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.

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.

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

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.

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!

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.

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.

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

SPECIAL INFORMATION REGARDING SAFETY CONTROL EQUIPMEN

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

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

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.

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.

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.

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.