SAFETY IN THE SCIENCE LABORATORY

Mrs. Halpin & Mrs. Cummins

AVHS SY 14-15(original PowerPoint created by Sue Salb)

General Guidelines

• Conduct yourself in a responsible manner;

• Read instructions before starting experiments;

• Follow all directions carefully• If you do NOT understand something, just ask!!!

• Don’t touch anything until instructed to do so;

• Perform only those experiments authorized by the instructor;

• Do not eat food,drink beverages or chew gum in the lab;

• Absolutely no horseplay in the lab!

• Keep noise levels down!

• Keep work areas clean and tidy;

• Keep aisles clear;

• Know the locations and operating procedures of all safety equipment

• Safety shower

• Eye wash

• Eyewash station

(2 fire extinguishers: located in main hall and back hall from room 1007)

• Fire extinguisher

• Dispose of all chemical and biological waste properly, according to instructions;

• Clean equipment and work area after use;

• Return all materials to proper location

• Keep hands away from face, eyes and mouth while using chemicals and biological specimens.

• Wash hands thoroughly before leaving lab.

• Goggles must be worn at all times during a lab;

NO

YES

• Dress properly during a lab;– Tie long hair back

– No dangling jewelry– No loose, baggy clothing

• No sandals (shoes should completely cover top of foot)

• Wear lab aprons• No contact lenses with chemical use in

lab.

• Report any accident or injury to the instructor immediately;

• Wash all cuts.

• Run burns under cold water.

• First aid kit available for minor injuries.

• If a chemical splashes on your skin, immediately flush with running water and notify instructor

• Almost all spills can be

Washed off at the lab sinks.

Safety shower will only be used

In the event of major spills over

Large portions of head, body, and

Or legs.

• When checking a chemical for odors, gently waft vapors towards nose;

NO YES

• Double check labels on chemical bottles and biological specimens

• Take only as much chemical as you need;

• Never return unused chemicals to their original containers;

• Never handle broken glass with your bare hands;– Use a dust pan and brush

– Place broken glass in

glass disposal

container,

labeled “sharps”

• Never use chipped, cracked or dirty glassware;

• Never leave a lit burner unattended;

• When heating a substance in a test tube, never point the mouth of the test tube at yourself or others;

• Never look down into a container that is being heated;

• Be careful – hot glass doesn’t look hot!

What’s wrong? Identify 6 different safety concerns shown in the picture below.

Image: http://morrisonlabs.com/lab_safety.htm

The answers are …

Image: http://morrisonlabs.com/lab_safety.htm

Don’t eat or drink while in the lab.

Don’t fool around during a lab.

Always wear safety goggles when doing

an experiment

Always point test tubes and other items away from yourself and

others when heating.

Keep hair and other flammable objects away from flames.

Don’t leave a flame unattended.

Be sure to review:1. Chemical spills/handling

chemicals

2. Waste disposal

3. Accidents/injuries

4. Emergency shower

5. Fire extinguisher

6. Lab preparedness

7. Classroom telephone

8. Handling specimens

9. Handling equipment

10. General lab behavior

11. Safety goggles

12. Lab attire

13. Fire drill

14. Lab clean up

15. Lockdown

16. Shelter in place

17. Emergency call button

18. Gas outlets

19. First aid kit

20. Heat sources/hot items

21. Eye wash station

22. Sharps container