Laboratory Safety

Equipment and Safety Know where the Safety equipment is located in the room Know where the Safety equipment is located in the room Know how to use each piece of safety equipment Know how to use each piece of safety equipment Check your neighbors to see if they know how to use the equipment Check your neighbors to see if they know how to use the equipment

Personal Safety Check your equipment for damages before donning Check your equipment for damages before donning Make certain to adhere to good laboratory dress Make certain to adhere to good laboratory dress

Laboratory Dress Always wear eye protection and apron / lab coat Always wear eye protection and apron / lab coat Do not remove any safety dress near the experiment area Do not remove any safety dress near the experiment area Traditionally, full dress included: Traditionally, full dress included: Full pantsFull pants Long-sleeved shirt (buttoned)Long-sleeved shirt (buttoned) Closed-toe and heel shoesClosed-toe and heel shoes

Personal Protective Equipment Many states require by law that students wear approved safety goggles or safety glasses when in the lab. This is an absolute "MUST"! The following is not acceptable!

Personal Safety Tie back long hair Tie back long hair No loose clothing No loose clothing Keep chemicals/fumes/flames away from yourself Keep chemicals/fumes/flames away from yourself Light flames away from yourself Light flames away from yourself Never smell/taste any substance for identification Never smell/taste any substance for identification Keep a clear area – lab sheets, etc. on the desks/tables away from experiment area Keep a clear area – lab sheets, etc. on the desks/tables away from experiment area

Proper attire: Avoid floppy garments; avoid things that dangle Avoid floppy garments; avoid things that dangle These get tangled up in equipment or glassware and cause accidents These get tangled up in equipment or glassware and cause accidents Avoid long, loose hair styles for the same reason. Avoid long, loose hair styles for the same reason. When Bunsen burners are in use, long hair sometimes catches on fire When Bunsen burners are in use, long hair sometimes catches on fire The Safety Code of most schools will not approve of open footware; so avoid sandals, thongs The Safety Code of most schools will not approve of open footware; so avoid sandals, thongs

Safety Equipment Fire Extinguishers Fire Extinguishers Fire Blanket Fire Blanket Eye-wash Fountain Eye-wash Fountain Spill Kit Spill Kit First-Aid Kit First-Aid Kit

Fire Extinguisher Operation USAGE: USAGE: Locate the "KEY" (the round object) Locate the "KEY" (the round object) Twist the "KEY" to break the stiff Nylon retaining cord then pull "KEY" out Twist the "KEY" to break the stiff Nylon retaining cord then pull "KEY" out Do not merely attempt to pull the key straight out, unless you are very strong. Do not merely attempt to pull the key straight out, unless you are very strong.

Fire Extinguisher Operation Raise the nozzle in order to direct the stream of carbon dioxideRaise the nozzle in order to direct the stream of carbon dioxide The CO2 will cool the fire, and restrict oxygen The CO2 will cool the fire, and restrict oxygen The fire, lacking oxygen, should go out. The fire, lacking oxygen, should go out.

Fire Extinguisher Operation Squeeze the handle to begin operation. Squeeze the handle to begin operation.

Fire Blanket Pull the blanket out of the wall holder. Pull the blanket out of the wall holder. Wrap it around the victim to smother the fire. Wrap it around the victim to smother the fire.

Eyewash Fountain If you get something from the lab in your eye— If you get something from the lab in your eye— GET IT OUT IMMEDIATELY! GET IT OUT IMMEDIATELY! Run some water through the eyewash fountain before you use it. Run some water through the eyewash fountain before you use it. Retract your eyelid (hold it open); Retract your eyelid (hold it open); Don’t squint—this restricts water access. Don’t squint—this restricts water access. Run fresh water over your eye for several minutes. (20 minutes for acids or bases) Run fresh water over your eye for several minutes. (20 minutes for acids or bases) Go to the school nurse immediately afterward. Go to the school nurse immediately afterward.

Eyewash Fountain

First Aid Kit Since we have a full time clinic professional, only small kits are kept in the classroom Since we have a full time clinic professional, only small kits are kept in the classroom For more serious injuries, the school will call 911. For more serious injuries, the school will call 911.

Use of the FUME HOOD Use the HOOD for reactions that give off vapors, especially smelly vapors.Use the HOOD for reactions that give off vapors, especially smelly vapors. The draft of the HOOD will sweep away vapors so that the lab itself maintains reasonable air quality.The draft of the HOOD will sweep away vapors so that the lab itself maintains reasonable air quality.

Safety Shower Shower should be used for dire EMERGENCY only! Shower should be used for dire EMERGENCY only! If you (or a lab mate) is ON FIRE, position yourself (or your lab mate) under the safety shower. If you (or a lab mate) is ON FIRE, position yourself (or your lab mate) under the safety shower. Pull the handle—a deluge of water will result. Pull the handle—a deluge of water will result.

Safety Shower The safety shower should also be used if you suffer a massive spill of a dangerous chemical on yourself, and need to get it off rapidly.The safety shower should also be used if you suffer a massive spill of a dangerous chemical on yourself, and need to get it off rapidly. However, in a high school laboratory, this will seldom be necessary. However, in a high school laboratory, this will seldom be necessary.

Broken Glass Sweep it up right away Sweep it up right away Don’t track in it all period. Don’t track in it all period.

Broken Glass Place the broken glass in a "SHARPS” CONTAINER.Place the broken glass in a "SHARPS” CONTAINER. This is a thick walled carton, that will be sealed and discarded as such. This is a thick walled carton, that will be sealed and discarded as such. If such a container is not available, the trash can is an acceptable substitute.If such a container is not available, the trash can is an acceptable substitute.

Heating/Flames Never light a Bunsen burner that is Never light a Bunsen burner that is surrounded by flammable materialssurrounded by flammable materials pointed towards someonepointed towards someone has any defects or appears to be operating less than adequatelyhas any defects or appears to be operating less than adequately

Heating/Flames Never place glass in direct contact with flames Never place glass in direct contact with flames Heat test tubes, etc. by placing them in holders on ring stands or holding them with tongs/clasps Heat test tubes, etc. by placing them in holders on ring stands or holding them with tongs/clasps Always pointed away from yourself and othersAlways pointed away from yourself and others HOT GLASS LOOKS LIKE COLD GLASS!!!! HOT GLASS LOOKS LIKE COLD GLASS!!!!

CLEAN UP Always dispose of lab materials by following the lab’s or teacher’s directions Always dispose of lab materials by following the lab’s or teacher’s directions Clean and replace lab utensils or unused materials Clean and replace lab utensils or unused materials NEVER return unused chemicals to the original storage without direction to do soNEVER return unused chemicals to the original storage without direction to do so WASH YOUR HANDS WASH YOUR HANDS

Class Safety NO HORSEPLAY NO HORSEPLAY Don’t let someone else’s actions injure you or cause you discomfortDon’t let someone else’s actions injure you or cause you discomfort Teacher Authority Act Teacher Authority Act Don’t put me in a position to choose between you and othersDon’t put me in a position to choose between you and others

Avoid Horseplay In a laboratory setting, horseplay, even if good-natured, is absolutely unacceptable. In a laboratory setting, horseplay, even if good-natured, is absolutely unacceptable. No pushing; no shoving. No pushing; no shoving. Serious accidents all too often result involving the glassware or solutions in use. Serious accidents all too often result involving the glassware or solutions in use.

At the end of the lab period: Exit the lab in an orderly manner. Exit the lab in an orderly manner. Again: no running, no pushing, no shoving. Again: no running, no pushing, no shoving.

LABORATORY’S FIRST RULE DO WHAT YOUR TEACHER SAYS AS SOON AS HE/SHE SAYS TO DO IT DO WHAT YOUR TEACHER SAYS AS SOON AS HE/SHE SAYS TO DO IT I’ve seen a lot more laboratory procedures than youI’ve seen a lot more laboratory procedures than you