Safety inSafety inLab EnvironmentLab Environment

Safety RulesSafety Rules

1. Follow Instructions…Understand what you are going to do carefully before attempting to do anything.

2. Wear appropriate safety clothes, close toes shoes, goggles to protect your body from chemicals, heated materials, or things that might be able to be broken.

3. Inform your instructor immediately of any accidents, broken equipment or any chemical spills

4. Always wash your hands with soap and water After handling chemicals, or working in the lab area.

5. While working in the lab, avoid placing your hands by your face.

6. Tie back long hair.

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Safety RulesSafety Rules

7. Roll up Loose Sleeves.8. Keep your work area organized.

Take only necessary materials to the lab station only what is necessary.

9. Know where all safety materials are located: fire extinguisher, fire blanket, eyewash station, and first aid kit.

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10.You are to wear protective safety glasses and it is suggested that you wear glasses rather than contact lenses.

11.There will be NO eating or drinking In any lab environment.

12. Clean up your lab area at the conclusion of the laboratory period this is your responsibility.

13. Lab time is not PLAY time.

Safety RulesSafety Rules

GlasswareGlassware1. Broken glassware is not to be disposed of

in a classroom trashcan. There should be a special glass disposalspecial glass disposal container for it.

2. When pouring liquids into glassware, make sure the container is appropriate and you are pouring the liquid into a container that is resting on a table at least a hands distance from the edge of the table.

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GlasswareGlassware3. Use a glass stirring rod when pouring

liquids down to prevent liquids from splattering.

4. Do not place hot glassware in water. Rapid cooling may make it shatter.

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GlasswareGlassware

5. When pouring liquids into glassware, make sure the container is appropriate and you are pouring the liquid into a container that is resting on a table at least a hands distance from the edge of the table.

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ChemicalChemical1. Wear protective goggles and a lab apron

whenever heating or pouring hazardous chemicals.

2. Never mix chemicals together unless you are told to do so (and then only in the manner specified).

3. Never taste any chemicals (you should never taste anything in the lab).

4. When you need to smell the odor of a chemical, waft the fumes toward your nose with one hand. Do not put your nose over the container and inhale the fumes.

5. Follow the instructions of your instructor when disposing of all chemicals.

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ElectricalElectrical1.Lay electrical cords where no one can trip on them or get caught in them.

2.Be sure your hands and your lab area are dry before using electrical equipment.

3.Unplug cords by pulling the plug and not the cord.

4.Unplug all electrical equipment at the end of the lab period.

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HeatHeat1.Let burners and hotplates cool down

before touching them. Test to see if they are cool enough by bringing the back of your hand close to them.

2.Use tongs and/or protective gloves to handle hot objects.

3.Never reach across an open flame or burner.

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HeatHeat4.The only type of glassware that may

be heated safely is: Kimax or Pyrex.5.Always point the top ends of test

tubes away from people when being heated.

6.When heating a test tube, move it around slowly over the flame to distribute the heat evenly.

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HeatHeat6.Only glassware that is thoroughly

dry should be heated.7. Heat glassware by placing it on a

wire gauze platform on a ring stand. Do not hold it in your hand.

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HeatHeat8. When lighting a burner, wait until the

striker is in place before you turn on the gas.

9. The amount of air can be adjusted by the air supply valve below the tube of the burner. This regulates the flame temperature and color.

10.Never leave a burner or hotplate unattended.

MSDS Sheets

• MSDS – Material Safety Data Sheets• Provide important safety information for

working with chemicals and materials.• includes information such as physical data

(melting point, boiling point, flash point, etc.), toxicity, health effects, first aid, reactivity, storage, disposal, protective equipment, and spill-handling procedures.

MSDS

• Instructions for the safe use and potential hazards associated with a particular material or product