safety and rules of the lab. lab safety rules this is why lab safety is important!

Safety and Rules of the Lab

Lab Safety Rules

Lab SafetyLab Safety

This is why lab safety is IMPORTANT!

Safety Symbols

• Know safety symbols• They appear in your

laboratory activities• They will alert you

to possible dangers• They will remind you

to work carefully

Use Your Head

• Exercise Caution and Good Judgment

• Follow all instructions given by the teacher

• Notify the teacher immediately regarding any accident or unsafe areas

Use Your Head

• Read lab instructions ahead of time • Always follow lab procedures exactly• Never do an unauthorized experiment

Protect YourselfEye Safety

• Wear safety goggles when working with chemicals, flames, or heating devices

• or if possibility of flying debris

• If you wear contact lenses let your teacher know

Protect YourselfEye Safety

• In case of emergency in which a chemical goes into one’s eye, use the eyewash station

• Flush in water for 15 mins. and notify the teacher

• Know where the eyewash station is and how to use it. Where is the station?– If you get something in your eye

• Get it out now!

• Hold eyelid open.

• Get it out now!

• Gently run water over your eyes

• Get it out now!

• Yell for the teacher or have a student get the teacher IMMEDIATELY!!!!

• Get it out now!

• Yell for the teacher or have a student get the teacher IMMEDIATELY!!!!

Protect YourselfProper Attire

• Keep all long hair tied back

• Do not wear loose clothing that could catch on fire

• Foot wear that completely covers the foot is required

• If you have long hair then please arrange it so that it will not hang down and catch on fire.

• Use proper safety protection.– Goggles covering eyes.– Gloves (Non-latex) for allergy reasons.

• Which of the students is being unsafe in the lab and will requiring talking to?

• Answer! The student’s on the right are not wearing their goggles properly and they are not wearing gloves.

• Do not do this!– You have now seen it and don’t need to do it

again in the lab ever.

Protect YourselfHand Safety

• If a chemical spills on your skin, notify the teacher and rinse with water for 15 minutes

• Wash hands after every lab

• Handle glassware, sharp tools and heated containers carefully

Sharp Objects

• Always cut away from fingers and body

• Always carry sharp objects with points and tips facing down and away

• Never try to catch falling sharp instruments

• Grasp sharp instruments only by the handles

Sharp Objects

• Notify teacher if you get cut • Broken glass and sharp objects

do not go in trash cans• Teacher will clean up

broken glass

• Avoid cutting yourself if we are using sharp objects.– Never cut toward yourself or others.– A pencil and other pointed objects can be very

dangerous.

Avoid blood and other bodily fluid. fluid.

– If you are bleeding then please contact teacher immediately to get wound cleaned and covered.

Avoid blood and other bodily fluid.

• Please check glassware for cracks or chips prior to use.– If glassware is broken please contact teacher.– Please be safe with glassware to avoid dropping

and breaking. Clean immediately.

Electrical Safety

• Only electrical plugs are to be placed into an electrical outlet

• Unplug electrical equipment after use

• Keep all electrical cords, wires, and appliances away from water

• Keep electrical equipment away from water and vice versa.

“Hey Joey, Are you sure this is safe.”

“For sure, what could possibly

happen?”

Physical Safety

• Handle all equipment carefully • Do not place a cord where

someone can trip over it • Push all stools in out of the

• Keep books picked up out of walking isles

• Clean spills from the outside in. – Apply paper towels over the spill, then,

carefully starting from the outside, wipe in.

• Clean spills from the outside in. – Apply paper towels over the spill, then,

carefully starting from the outside, wipe in.

“Let’s practice our skills with a simulated spill.”

Heating Safety

• Tie back hair and looseclothes when workingwith open flames

• Never look into a container as you are heating it

• Never point the end of a test tube being heated at yourself or others

• Never heat in a closed container

Heating Safety

• Never leave a heat source unattended • Heated metal and glass looks

cool, use tongs or gloves before handling

• Do not place hot glassware directly on lab desk or in cold water

• Keep flammable solutions away from flame.

Chemical Safety

• Read all labels twice before removing a chemical from the container

• Only use the type and amount of chemicalinstructed to use

• Never touch, taste, or smell a chemical unless instructed by the teacher

• Never mix chemicals unless instructed to do so

• Be precise in your measuring of reagents and chemicals.

• Do not breathe vapors or put anything close to your nose to smell unless instructed.– When smelling, do not hold the object below your

nose, make a pass from one side to the other.

• Do not breathe vapors or put anything close to your nose to smell unless instructed.– When smelling, do not hold the object below your

nose. Wave your hand over the top of the chemical and breathe normally from a distance. This is called WAFTING TECHNIQUE!

Chemical Safety

• Transfer chemicals carefully!• Keep lids on chemical

containers when not in use• When diluting an acid, pour

the acid into water• Consider all chemicals

dangerous

Plant Safety

• Do not eat any plants in lab• Wash your hands after

handling plants• Tell your teacher of any

plant allergies • Like any

organism, plants should be considered possibly harmful

You Should Never…

• Enter store room unless given permission

• Take any chemicals from lab or store room

• Touch any equipment, chemicals, or other materials until instructed to do so

You Should Never…

• Eat or drink in the lab• Use lab glass-ware to

eat or drink out of

• Please do not eat food or drink in the classroom.– No gum– Cough drops– Or putting strange things in your mouth.

• Please do not eat food or drink in the classroom.– No gum.– Cough drops– Or putting strange things in your mouth.

• Please do not eat food or drink in the classroom.– No gum.– Cough drops unless prescribed.– Or putting strange things in your mouth.

• Engage in….– practical jokes – horse play – rough house

You Should Never…

• Use common sense at all times.– No horseplay.– No pushing.– No running.– No squirting with

droppers.

• Use common sense at all times.

In case of an emergency…

• Know the locations of:– fire extinguisher– fire blanket– body shower– eyewash

station– first aid kit

• If you spill a harmful chemical on yourself or in your eyes, start rinsing immediately and send your partner to get teacher’s help

• Know where the fire extinguisher is and how to use it.

• Know where the fire extinguisher is and how to use it.– We have a Carbon Dioxide all purpose fire

extinguisher.

extinguisher.• Find key.

• Pull it out. (Stand back)

• Pull handle / trigger.

• Point at the fire until extinguished.

• Pull handle / trigger.

• Point at the fire until extinguished.

Clean Up Your Lab Area!!1. Put away all of your lab materials!2. Clean up the floor of all spills and trash

around your work area.3. Do NOT LEAVE A MESS for the next

class!!

• Clean glassware before and after use to avoid harmful residue.

Do NOT DRINK out of lab glassware!!

Remember to…

• Stay at your work station

• Maintain a clean work area

• Read and follow all directions

• Report any spills, accidents, or injury to the teacher immediately

• Clean and put away all equipment at the end of thelab period

• Dispose of waste products according to instruction

safety and rules of the lab. lab safety rules this is why lab safety is important!

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