The Rules of Lab SafetyThe Rules of Lab SafetyMrs. ClemmonsMrs. Clemmons

Endeavor CharterEndeavor Charter

2012-10132012-1013

You are responsibleYou are responsible

for your safety for your safety

and the safety of those and the safety of those around you.around you.

Failure to act in a safe and Failure to act in a safe and responsible manner will result in responsible manner will result in the removal of all science lab the removal of all science lab privileges.privileges.

Professor Glickman, the lab practical joker, deftly places a single drop of hydrochloric acid on the back of Professor Bingham's neck.

--Gary Larson, the Far Side

Horseplay will be dealt

with severely!

No student should be in the lab unsupervised.No student should be in the lab unsupervised. Be prepared for your lab. Be prepared for your lab. READREAD your your

procedure for any safety precautions. procedure for any safety precautions. Do not eat or drink in the lab. Your food may Do not eat or drink in the lab. Your food may

pick up harmful chemicals.pick up harmful chemicals. Never taste or directly inhale chemicals.Never taste or directly inhale chemicals. Do not sit on the lab benches.Do not sit on the lab benches. Please stand while doing labs.Please stand while doing labs. If designing your own experiment, you If designing your own experiment, you MUSTMUST

first have your procedure approved by your first have your procedure approved by your teacher .teacher .

General Safety Precautions

Handling Handling ChemicalsChemicals All chemicals in the laboratory are to All chemicals in the laboratory are to

be considered dangerous. Avoid be considered dangerous. Avoid handling chemicals with fingers.handling chemicals with fingers. Do Do not taste, or smell any chemicals.  not taste, or smell any chemicals. 

Check the label on all chemical Check the label on all chemical bottles twice before removing any of bottles twice before removing any of the contents.  Take only as much the contents.  Take only as much chemical as you need.chemical as you need.

. .

NeverNever return unused chemicals to their original return unused chemicals to their original container.container. Dispose of chemicals as instructed by your Dispose of chemicals as instructed by your teacher.teacher.NeverNever remove chemicals or other materials from the remove chemicals or other materials from the laboratory arealaboratory areaLook for WHMIS or HHPS symbols on containers.Look for WHMIS or HHPS symbols on containers.

Hazardous Household Hazardous Household Product SymbolsProduct Symbols

CORROSIVE

Eats or wears away other materials.

EXPLOSIVE

Explodes or gives off deadly

vapours.

FLAMMABLE

Ignites if exposed to heat

or sparks.

POISONOUS

May cause sickness or death if

swallowed.

Compressedgas•Gasses under pressure•May explode if heated

Oxidizing material•Can cause other materials to burn•Causes skin burns

Flammable and combustible material•May ignite easily•May create flammable gases

Materials causingimmediate and serious toxic effects•Poisons •Harmful if ingested or gets on body

WWorkplace orkplace HHazardous azardous MMaterials aterials IInformation nformation SSystemystem

WHMISWHMIS

Materials causingother toxic effects•Harmful effects with prolonged exposure

Corrosivematerial•React with metals •Reacts with living tissue•Causes burns, blindness, lung damage

Biohazardous infectious material•May contain biological toxins•Mould, viruses, bacteria, etc

Dangerously reactivematerial•May react with water•Unstable•Sensitive to shock

WWorkplace orkplace HHazardous azardous MMaterials aterials IInformation nformation SSystemystem

WHMISWHMIS

Handling GlasswareHandling Glassware

Do not use dirty or chipped glassware.Do not use dirty or chipped glassware. Clean drips off the sides of beakers and Clean drips off the sides of beakers and

flasks for the safety of the next student.flasks for the safety of the next student. Broken glass should be reported to the Broken glass should be reported to the

teacher who will dispose of it in the teacher who will dispose of it in the “Broken Glass” container.“Broken Glass” container.

Do not tightly stopper a flask where gas Do not tightly stopper a flask where gas is being created. It could explode.is being created. It could explode.

Clean and return all glassware at the end Clean and return all glassware at the end of the lab.of the lab.

Heating Heating SubstancesSubstances

Do not wear loose or baggy clothing in the lab.Do not wear loose or baggy clothing in the lab. Hot glass does not look hot! Handle recently Hot glass does not look hot! Handle recently

heated glassware with tongs.heated glassware with tongs. Do not immerse hot glassware in cold Do not immerse hot glassware in cold wwater.  ater.  The The

glassware may shatter.glassware may shatter. Never look into a container that is being heated.Never look into a container that is being heated.

Never leave a heat source Never leave a heat source unattended.unattended.

Tie back long hair.Tie back long hair.

Safety Safety EquipmentEquipment

Safety goggles must be worn whenever Safety goggles must be worn whenever there is the potential for eye damage.there is the potential for eye damage.

Goggles must always be worn when heat or Goggles must always be worn when heat or corrosive chemicals are used.corrosive chemicals are used.

Know the locations of all safety equipment Know the locations of all safety equipment in the lab: fire extinguishers, eye wash in the lab: fire extinguishers, eye wash station, first aid box, fire blanket, fire exits.station, first aid box, fire blanket, fire exits.

Accidents & InjuriesAccidents & Injuries

Inform a teacher if someone requires Inform a teacher if someone requires assistance.assistance.

If chemicals are spilled on skin or in eyes, If chemicals are spilled on skin or in eyes, rinse with water for 20 minutes.rinse with water for 20 minutes.

If you break something or spill something, If you break something or spill something, please inform a teacher immediately. Do please inform a teacher immediately. Do NOT handle broken glass!NOT handle broken glass!

If a fire starts, inform a staff member If a fire starts, inform a staff member immediately – immediately – STOPSTOP… … DROPDROP… … ROLLROLL!!!!!!

Respond to Respond to emergencies sensibly emergencies sensibly and immediately!and immediately!

When the lab is done When the lab is done . .. .

Dispose of chemicals and materials Dispose of chemicals and materials onlyonly as as instructed by your teacher.instructed by your teacher.

Clean all glassware and put everything away Clean all glassware and put everything away according to instructions.according to instructions.

Wipe the counters clean with paper towels.Wipe the counters clean with paper towels. Sinks should be cleaned and should not Sinks should be cleaned and should not

contain any solid material.contain any solid material. Wash your hands and return your goggles.Wash your hands and return your goggles.

IF YOU’RE NOT IF YOU’RE NOT SURE ABOUT SURE ABOUT SOMETHING…SOMETHING…

Ask your TEACHER!!!!

Study the diagram below List things which are clearly a safety hazard