Slide 1

Laboratory SafetyLaboratory Safety

Slide 2

Safety in the laboratory Safety in the laboratory involves recognizing all involves recognizing all potential hazards and potential hazards and an awareness of the an awareness of the

necessary precautions necessary precautions connected with these connected with these

hazards.hazards.

Slide 3

Each person in a Each person in a laboratory is laboratory is

responsible for the responsible for the safety of safety of EVERYONEEVERYONE

working in the working in the laboratorylaboratory

Slide 4

Accidents can cause Accidents can cause SERIOUS INJURY SERIOUS INJURY or even or even DEATH.DEATH. These accidents These accidents

can be anticiapted and can be anticiapted and even prevented by being even prevented by being aware of our classroom aware of our classroom environment and taking environment and taking

responsibility for our responsibility for our actions.actions.

Slide 5

Follow all safety Follow all safety procedures is key to procedures is key to

our personal our personal protection.protection.

Slide 6

Three Fundamental ideas involved Three Fundamental ideas involved in using a laboratory to carry out in using a laboratory to carry out

experiments.experiments.

1. ALWAYS read the experiment before conducting experiment.

2. ALWAYS use common sense when you are working with laboratory apparatus and materials.

3. In case of an accident know how to get help.

Slide 7

GogglesGoggles

Students must wear goggles at all times while conducting

laboratory experiments. This is NJ State Law.

Slide 8

Contact LensesContact Lenses

Contact lenses should be Contact lenses should be avoided in the laboratory. avoided in the laboratory.

Wearing them puts one at risk Wearing them puts one at risk for toxic or poisonous gases for toxic or poisonous gases

being trapped inside the being trapped inside the contact causing the gas to be contact causing the gas to be in direct contact with your eye.in direct contact with your eye.

Slide 9

Locations of Emergency Locations of Emergency Safety EquipmentSafety Equipment

Eye WashEye WashFire Extinguishers Fire Extinguishers

First Aid KitFirst Aid KitFire BlanketFire Blanket

Slide 10

Never work in Laboratory aloneNever work in Laboratory alone

Your instructor should be within your sights and hearing at all times, so that if you can ask for help if you

have questions, difficulties, or accidents.

Slide 11

Do ONLY the assigned Do ONLY the assigned laboratory experimentlaboratory experiment..

Never substitute an Never substitute an unauthorized unauthorized

experiment for the one experiment for the one your teacher assigns. your teacher assigns.

Do not deviate from Do not deviate from the procedures.the procedures.

Slide 12

Proper ClothingProper Clothing

Wear shoes that completely Wear shoes that completely cover your feet.cover your feet.

Tie back long hair.Tie back long hair.

Gloves and lab aprons/coats Gloves and lab aprons/coats may be necessary.may be necessary.

Slide 13

IMMEDIATELY report all IMMEDIATELY report all accidents to teacher, no matter accidents to teacher, no matter

how minor.how minor.

Common accidents include:Common accidents include:Chemical spillsChemical spills

Ingestion of ChemicalsIngestion of ChemicalsCutsCuts

BurnsBurnsFireFire

Slide 14

No Mouth Contact with ANY No Mouth Contact with ANY objects in the laboratory.objects in the laboratory.

This applies to:This applies to:PipettesPipettes

ReagentsReagentsFingersFingers

No Food or Beverages should No Food or Beverages should be present in Laboratorybe present in Laboratory

Slide 15

Odors should be treated Odors should be treated with caution!with caution!

TOXICTOXICChemicals primarily enter the Chemicals primarily enter the body through the respiratory body through the respiratory system. If you must smell a system. If you must smell a

chemical do not put directly over chemical do not put directly over the sample but gently WAFT the the sample but gently WAFT the

vapors insteadvapors instead..

Slide 16

Neat, clean and clear of Neat, clean and clear of unnecessary objects.unnecessary objects.

Backpacks, books and other items Backpacks, books and other items not needed for work should be not needed for work should be placed in an area that doesn’t placed in an area that doesn’t

interfere with the activity. Keep interfere with the activity. Keep work areas uncluttered and never work areas uncluttered and never place chemicals or materials on place chemicals or materials on

the floor.the floor.

Slide 17

Only use equipment that is Only use equipment that is in good condition.in good condition.

Glassware that is cracked, chipped or Glassware that is cracked, chipped or damaged goes in the glass boxes located at damaged goes in the glass boxes located at the back of the classroom.the back of the classroom.

Inform instructor of any equipment that is in Inform instructor of any equipment that is in unsatisfactory condition.unsatisfactory condition.(It is a good idea to keep excess electrical (It is a good idea to keep excess electrical cords taped to the work area or tied with cords taped to the work area or tied with rubber bands to prevent you or a classmate rubber bands to prevent you or a classmate from tripping.from tripping.

Slide 18

Spills must be cleaned up Spills must be cleaned up immediately as directed by immediately as directed by

teacher.teacher.

Dispose of rinses, reaction Dispose of rinses, reaction mixtures and unused reagents mixtures and unused reagents only as directed by instructor. only as directed by instructor.

DO NOT throw anything down the DO NOT throw anything down the sink unless instructed to do so.sink unless instructed to do so.

Slide 19

Avoid touching hot objects.Avoid touching hot objects.

Heat can be generated through Heat can be generated through chemical reactions so it is chemical reactions so it is

imperative that you are cautious imperative that you are cautious when handling reaction vessels when handling reaction vessels during and after the reactions. during and after the reactions. Objects that have been near Objects that have been near

flames can be dangerous as well.flames can be dangerous as well.

Slide 20

Immature Behavior has no Immature Behavior has no place in a laboratory setting.place in a laboratory setting.

The potential dangers posed by The potential dangers posed by such behavior are too great.such behavior are too great.

Slide 21

Read labels on reagent bottles Read labels on reagent bottles and containers to make certain and containers to make certain

that they contain that that they contain that appropriate reagent for the appropriate reagent for the

experiment.experiment.Other symbols may also be found on Other symbols may also be found on the bottle representing flammability, the bottle representing flammability, reactivity, health concerns and other reactivity, health concerns and other

potential dangers.potential dangers.

You will gain much insight to this You will gain much insight to this during Hazmat training. during Hazmat training.

Slide 22

Happy HandsHappy Hands

Use detergent or soap to wash Use detergent or soap to wash your hands thoroughly before you your hands thoroughly before you

leave the laboratory.leave the laboratory.

Slide 23

Laboratory is an important Laboratory is an important part of this class. It is your part of this class. It is your responsibility to maintain responsibility to maintain proper conduct and apply proper conduct and apply

safety practices in the safety practices in the classroom.classroom.